{"text_format":"dbase-jsonl-2026-09-30","columns":[{"name":"BASENUMBER","type":"number","width":9,"decimals":0},{"name":"ORDNUMBER","type":"number","width":9,"decimals":0},{"name":"MEMOTEXT","type":"character","width":70}],"n_rows":10410,"rows_kept":10410,"cut":false,"deleted_skipped":0,"read_ended":"whole","bounds":"16MiB/16384/4096/first_that_fit","version":"dbase_level_three","encoding_class":"enc_absent","reader":"statdb_count/9"}
[74,1,"The DOD showing occurs within the Slave Supracrustal Province,"]
[74,2,"Archean in age.  The Supracrustal rocks are of the Yellowknife"]
[74,3,"Supergroup, dominated by a volcanic-greywacke-mudstone sequence"]
[74,4,"forming various greenstone belts that cover about one third of the"]
[74,5,"province.  Granitoid intrusions make up the bulk of the craton and"]
[74,6,"are grouped as pre-, syn-, and post- Yellowknife Supergroup.  In"]
[74,7,"addition, several mafic dykes have intruded the shield, orientated"]
[74,8,"between 140 and 180 degrees.    The DOD showing is situated on the"]
[74,9,"Camsell Lake property which is approximately 20 miles north of the"]
[74,10,"East Arm of Great Slave Lake.  The rocks on the Camsell property"]
[74,11,"are volcanics and sediments of the Yellowknife Supergroup which"]
[74,12,"occur as two northeasterly trending belts. These belts have been"]
[74,13,"intruded by glomeroporphyritic leucogabbro/gabbro stocks, gabbro"]
[74,14,"sills and rare leucogabbro sills.  Granitic intrusions include"]
[74,15,"dykes and stocks of granodiorites of various compositions and"]
[74,16,"pegmatites of the same phases.  All rocks of the area are intruded"]
[74,17,"by north-northwesterly magnetic diabase dykes.  This showing is a"]
[74,18,"Cu-Ni mineral occurrence from two drill holes. The mineralization"]
[74,19,"is disseminated in a gabbroic volcanic and ranges from 0.23% Cu"]
[74,20,"over 10 feet to 0.45% Cu over 2.2 feet and 0.11% Ni over 10 feet to"]
[74,21,"0.12% Ni over 5 feet.  The showing was discovered after geophysical"]
[74,22,"work in 1967 located an anomaly.  The anomaly was then drilled and"]
[74,23,"trenched, although no report can be located with the information."]
[74,24,"No further work on the area has since been reported."]
[75,1,"This showing was derived from the CANMINDEX database.  No mention"]
[75,2,"of this showing is located in any assessment report and is only a"]
[75,3,"mineral occurrence on a map.  In the GSC paper 70-70, the EGO claim"]
[75,4,"group is mentioned to be owned by Shield Resources in 1966."]
[76,1,"The CL 25 showing occurs within the Slave Supracrustal Province,"]
[76,2,"Archean in age.  The Supracrustal rocks are of the Yellowknife"]
[76,3,"Supergroup, dominated by a volcanic-greywacke-mudstone sequence"]
[76,4,"forming various greenstone belts that cover about one third of the"]
[76,5,"province.  Granitoid intrusions make up the bulk of the craton and"]
[76,6,"are grouped as pre-, syn-, and post- Yellowknife Supergroup.  In"]
[76,7,"addition, several mafic dykes have intruded the shield, orientated"]
[76,8,"between 140 and 180 degrees.  Also present in the regional area are"]
[76,9,"diamondiferous kimberlite pipes that occur along the same general"]
[76,10,"strike as the dyke swarms.  The CL 25 showing is situated on the"]
[76,11,"Camsell Lake property which is approximately 20 miles north of the"]
[76,12,"East Arm of Great Slave Lake.  The rocks on the Camsell property"]
[76,13,"are volcanics and sediments of the Yellowknife Supergroup which"]
[76,14,"occur as two northeasterly trending belts. These belts have been"]
[76,15,"intruded by glomeroporphyritic leucogabbro/gabbro stocks, gabbro"]
[76,16,"sills and rare leucogabbro sills.  Granitic intrusions include"]
[76,17,"dykes and stocks of granodiorites of various compositions and"]
[76,18,"pegmatites of the same phases.  All rocks of the area are intruded"]
[76,19,"by north-northwesterly magnetic diabase dykes.  Although past"]
[76,20,"mineral exploration was focused on the Cu-Zn potential on the"]
[76,21,"Camsell Lake area, diamond exploration has been the main focus"]
[76,22,"since the first discovery of kimberlites in the Slave.  Winspear"]
[76,23,"Resources Inc., Aber Resources, Amarado and Consolidated Newgate"]
[76,24,"started work on the Camsell Lake project in 1993 with a regional"]
[76,25,"airborne Mag/EM survey was completed.  Following the survey,"]
[76,26,"samples were collected from two major eskers in the southern"]
[76,27,"portion of the property.  In 1994, a ground survey and basal till"]
[76,28,"sampling and diamond drilling was completed."]
[77,1,"Results from the 1994 field season included plotting indicator"]
[77,2,"minerals on maps from sample locations to trace back towards the"]
[77,3,"possible source.  By combining information from geophysical surveys"]
[77,4,"and sampling results, four drill holes tested two geophysical"]
[77,5,"anomalies.  Three drill holes intersected kimberlites.  From drill"]
[77,6,"holes 1 and 2 a bulk sample weighing 350.4 kg contained a total of"]
[77,7,"221 diamonds; 9 were macro- (>0.5 mm) and 212 micro-sized (<0.5 mm)."]
[77,8,"These intersections of kimberlite resulted in the discovery of"]
[77,9,"the first kimberlite pipe on the Camsell Lake Property."]
[78,1,"The CL 174 showing occurs within the Slave Supracrustal Province,"]
[78,2,"Archean in age.  The Supracrustal rocks are of the Yellowknife"]
[78,3,"Supergroup, dominated by a volcanic-greywacke-mudstone sequence"]
[78,4,"forming various greenstone belts that cover about one third of the"]
[78,5,"province.  Granitoid intrusions make up the bulk of the craton and"]
[78,6,"are grouped as pre-, syn-, and post- Yellowknife Supergroup.  In"]
[78,7,"addition, several mafic dykes have intruded the shield, orientated"]
[78,8,"between 140 and 180 degrees.  Also present in the regional area are"]
[78,9,"diamondiferous kimberlite pipes that occur along the same general"]
[78,10,"strike as the dyke swarms.  The CL 174 showing is situated on the"]
[78,11,"Camsell Lake property which is approximately 20 miles north of the"]
[78,12,"East Arm of Great Slave Lake.  The rocks on the Camsell property"]
[78,13,"are volcanics and sediments of the Yellowknife Supergroup which"]
[78,14,"occur as two northeasterly trending belts. These belts have been"]
[78,15,"intruded by glomeroporphyritic leucogabbro/gabbro stocks, gabbro"]
[78,16,"sills and rare leucogabbro sills.  Granitic intrusions include"]
[78,17,"dykes and stocks of granodiorites of various compositions and"]
[78,18,"pegmatites of the same phases.  All rocks of the area are intruded"]
[78,19,"by north-northwesterly magnetic diabase dykes.  Although past"]
[78,20,"mineral exploration was focused on the Cu-Zn potential on the"]
[78,21,"Camsell Lake area, diamond exploration has been the main focus"]
[78,22,"since the first discovery of kimberlites in the Slave.  Winspear"]
[78,23,"Resources Inc., Aber Resources, Amarado and Consolidated Newgate"]
[78,24,"started work on the Camsell Lake project in 1993 with a regional"]
[78,25,"airborne Mag/EM survey was completed.  Following the survey,"]
[78,26,"samples were collected from two major eskers in the southern"]
[78,27,"portion of the property.  In 1994, a ground survey and basal till"]
[78,28,"sampling and diamond drilling was completed."]
[79,1,"The CL 174 kimberlite pipe is 150 metres northwest of the CL 25"]
[79,2,"kimberlite pipe.  Its discovery came when drilling to find the"]
[79,3,"extent of the CL 25 pipe was done.  The only information on the"]
[79,4,"showing to date is that from news releases stating from drill hole"]
[79,5,"174-1 a 622.2 kg sample was taken and 284 total diamonds were"]
[79,6,"recovered, with 274 micro- (<0.5 mm) and 10 macro-sized (>0.5 mm)."]
[80,1,"The CL 186 showing occurs within the Slave Supracrustal Province,"]
[80,2,"Archean in age.  The Supracrustal rocks are of the Yellowknife"]
[80,3,"Supergroup, dominated by a volcanic-greywacke-mudstone sequence"]
[80,4,"forming various greenstone belts that cover about one third of the"]
[80,5,"province.  Granitoid intrusions make up the bulk of the craton and"]
[80,6,"are grouped as pre-, syn-, and post- Yellowknife Supergroup.  In"]
[80,7,"addition, several mafic dykes have intruded the shield, orientated"]
[80,8,"between 140 and 180 degrees.  Also present in the regional area are"]
[80,9,"diamondiferous kimberlite pipes that occur along the same general"]
[80,10,"strike as the dyke swarms.  The CL 186 showing is situated on the"]
[80,11,"Camsell Lake property which is approximately 20 miles north of the"]
[80,12,"East Arm of Great Slave Lake.  The rocks on the Camsell property"]
[80,13,"are volcanics and sediments of the Yellowknife Supergroup which"]
[80,14,"occur as two northeasterly trending belts. These belts have been"]
[80,15,"intruded by glomeroporphyritic leucogabbro/gabbro stocks, gabbro"]
[80,16,"sills and rare leucogabbro sills.  Granitic intrusions include"]
[80,17,"dykes and stocks of granodiorites of various compositions and"]
[80,18,"pegmatites of the same phases.  All rocks of the area are intruded"]
[80,19,"by north-northwesterly magnetic diabase dykes.  Although past"]
[80,20,"mineral exploration was focused on the Cu-Zn potential on the"]
[80,21,"Camsell Lake area, diamond exploration has been the main focus"]
[80,22,"since the first discovery of kimberlites in the Slave.  Winspear"]
[80,23,"Resources Inc., Aber Resources, Amarado and Consolidated Newgate"]
[80,24,"Resources started work on the Camsell Lake project in 1993 with a"]
[80,25,"regional airborne Mag/EM survey was completed."]
[81,1,"The CL 186 showing is a diamondiferous kimberlite pipe on the east"]
[81,2,"shore of Snap Lake.  Despite the presence of kimberlite boulders,"]
[81,3,"the area gives a low magnetic response due to 100 metre of granite"]
[81,4,"overlying (and masking) the kimberlite pipe.   After drilling into"]
[81,5,"kimberlite breccia in 1997, diamond analysis of two bulk samples"]
[81,6,"resulted in a total of 11 diamonds from a 74.2 kg sample and 114"]
[81,7,"diamonds from a 78.2 kg sample.  The two samples produced a total"]
[81,8,"of 42 macro-sized diamonds."]
[82,1,"The Snap Lake Dyke showing occurs within the Slave Supracrustal"]
[82,2,"Province, Archean in age.  The Supracrustal rocks are of the"]
[82,3,"Yellowknife Supergroup, dominated by a volcanic-greywacke-mudstone"]
[82,4,"sequence forming various greenstone belts that cover about one"]
[82,5,"third of the province.  Granitoid intrusions make up the bulk of"]
[82,6,"the craton and are grouped as pre-, syn-, and post- Yellowknife"]
[82,7,"Supergroup.  In addition, several mafic dykes have intruded the"]
[82,8,"shield, orientated  between 140 and 180 degrees.  Also present in"]
[82,9,"the regional area are diamondiferous kimberlite pipes that occur"]
[82,10,"along the same general strike as the dyke swarms.  The Snap Lake"]
[82,11,"Dyke showing is situated on the Camsell Lake property which is"]
[82,12,"approximately 20 miles north of the East Arm of Great Slave Lake."]
[82,13,"The rocks on the Camsell property are volcanics and sediments of"]
[82,14,"the Yellowknife Supergroup which occur as two northeasterly"]
[82,15,"trending belts. These belts have been intruded by"]
[82,16,"glomeroporphyritic leucogabbro/gabbro stocks, gabbro sills and rare"]
[82,17,"leucogabbro sills.  Granitic intrusions include dykes and stocks of"]
[82,18,"granodiorites of various compositions and pegmatites of the same"]
[82,19,"phases.  All rocks of the area are intruded by north-northwesterly"]
[82,20,"magnetic diabase dykes.  Although past mineral exploration was"]
[82,21,"focused on the Cu-Zn potential on the Camsell Lake area, diamond"]
[82,22,"exploration has been the main focus since the first discovery of"]
[82,23,"kimberlites in the Slave.  Winspear Resources Inc., Aber Resources,"]
[82,24,"Amarado and Consolidated Newgate Resources started work on the"]
[82,25,"Camsell Lake project in 1993 with a regional airborne Mag/EM survey"]
[82,26,"was completed."]
[83,1,"The Snap Lake Dyke has been intersected 11 times in an area of 1"]
[83,2,"square km.  The dyke, with an average true thickness of 2.47 metres,"]
[83,3,"was bulk sampled  with a total of 137.14 kg of kimberlite"]
[83,4,"recovering 401 diamonds, 149 macro- (>0.50 mm) and 252 micro-sized"]
[83,5,"(<0.5 mm)."]
[84,1,"The Snap Lake Boulder showing occurs within the Slave Supracrustal"]
[84,2,"Province, Archean in age.  The Supracrustal rocks are of the"]
[84,3,"Yellowknife Supergroup, dominated by a volcanic-greywacke-mudstone"]
[84,4,"sequence forming various greenstone belts that cover about one"]
[84,5,"third of the province.  Granitoid intrusions make up the bulk of"]
[84,6,"the craton and are grouped as pre-, syn-, and post- Yellowknife"]
[84,7,"Supergroup.  In addition, several mafic dykes have intruded the"]
[84,8,"shield, orientated  between 140 and 180 degrees.  Also present in"]
[84,9,"the regional area are diamondiferous kimberlite pipes that occur"]
[84,10,"along the same general strike as the dyke swarms.  The Snap Lake"]
[84,11,"Boulder showing is situated on the Camsell Lake property which is"]
[84,12,"approximately 20 miles north of the East Arm of Great Slave Lake."]
[84,13,"The rocks on the Camsell property are volcanics and sediments of"]
[84,14,"the Yellowknife Supergroup which occur as two northeasterly"]
[84,15,"trending belts. These belts have been intruded by"]
[84,16,"glomeroporphyritic leucogabbro/gabbro stocks, gabbro sills and rare"]
[84,17,"leucogabbro sills.  Granitic intrusions include dykes and stocks of"]
[84,18,"granodiorites of various compositions and pegmatites of the same"]
[84,19,"phases.  All rocks of the area are intruded by north-northwesterly"]
[84,20,"magnetic diabase dykes.  Although past mineral exploration was"]
[84,21,"focused on the Cu-Zn potential on the Camsell Lake area, diamond"]
[84,22,"exploration has been the main focus since the first discovery of"]
[84,23,"kimberlites in the Slave.  Winspear Resources Inc., Aber Resources,"]
[84,24,"Amarado and Consolidated Newgate Resources started work on the"]
[84,25,"Camsell Lake project in 1993 with a regional airborne Mag/EM survey"]
[84,26,"was completed."]
[85,1,"The Snap Lake Boulder showing is 6 boulder samples taken on the"]
[85,2,"northwest shore of Snap Lake that had diamonds in them.  The total"]
[85,3,"weight of the samples taken was 248.18 kg in which 637 diamonds"]
[85,4,"were found, 202 macro- (>0.50 mm) and 435 micro-sized (<0.5 mm)."]
[86,1,"Regional: The TALL claims are located on the western side of the"]
[86,2,"Courageous Lake Archean Greenstone belt which is a 60 km long north"]
[86,3,"south striking volcanic belt within the Yellowknife Supergroup."]
[86,4,"Property: The TALL property is composed of volcanics which are"]
[86,5,"overlain to the east by Yellowknife Supergroup sediments and"]
[86,6,"undermined to the west by granites.  Showing: Noranda drilled six"]
[86,7,"airborne electromagnetic conductors in 1980 some of which"]
[86,8,"represented massive sulphide zones in felsic tuffs.  One of the"]
[86,9,"holes, T-4-80, tested a 300 - 400 metre EM conductor with"]
[86,10,"coincident mag which contained a 1.02 metre zone at a felsic"]
[86,11,"pyroclastic-mafic tuff contact.  This zone contained massive"]
[86,12,"pyrrhotite and pyrite as well as traces of chalcopyrite and 0.67%"]
[86,13,"zinc in sphalerite.  No further work was recommended."]
[87,1,"Regional: The CAM property lies in the central, volcanic portion of"]
[87,2,"the Camsell Lake Greenstone Belt of Archean aged Yellowknife"]
[87,3,"Supergroup volcanic and sedimentary rocks of the Slave Province."]
[87,4,"Property: volcanic rocks in the area are composed of locally"]
[87,5,"pillowed basalts and andesites with some felsic tuff beds.  These"]
[87,6,"units are intruded by a well-differentiated gabbro-anorthosite"]
[87,7,"complex which also strikes NE-SW.  The volcanic rocks are cut by"]
[87,8,"fairly prominant shears which run both parallel and at acute angles"]
[87,9,"to the volcanics.  The entire package is underlain by Proterozoic"]
[87,10,"granites.  Showing:  The property was originally staked in 1957 as"]
[87,11,"the LIZ group and optioned to Cominco who did geophysics, trenching"]
[87,12,"and drilling in 1958, finding fair copper values.  The property was"]
[87,13,"then re-staked in 1964 as the CAM group and more geophysical work"]
[87,14,"was done.  In 1966 the property was optioned by Hurley River Mines"]
[87,15,"who did more geophysics and 2,607 ft. of drilling which resulted in"]
[87,16,"up to 5.2 feet grading 0.47% Cu and minor zinc.    In general the"]
[87,17,"mineralization consists of fairly massive po. with minor associated"]
[87,18,"cpy, and traces of sph.  Two major types of mineralization have"]
[87,19,"been observed, both occuring in shear zones in the altered"]
[87,20,"volcanics, near and parallelling the volcanic-gabbro contact. Type"]
[87,21,"1 - Cpy-po-py bearing altered andesite and associated massive"]
[87,22,"mineralized quartz. Type 2 - Fine grained po-mt-py disseminated"]
[87,23,"along shear zones in the altered andesite. The cpy type of"]
[87,24,"mineralizaion occurs at several localities on the property."]
[88,1,"Regional: The PEP property lies in the central, volcanic portion of"]
[88,2,"the Camsell Lake Greenstone Belt of Archean aged Yellowknife"]
[88,3,"Supergroup volcanic and sedimentary rocks of the Slave Province."]
[88,4,"Property: volcanic rocks in the area are composed of locally"]
[88,5,"pillowed basalts, andesites and dacites with some felsic tuff beds."]
[88,6,"These units are intruded by a well-differentiated gabbro-"]
[88,7,"anorthosite complex which also strikes NE-SW.  The volcanic rocks"]
[88,8,"are cut by fairly prominant shears which run both parallel and at"]
[88,9,"acute angles to the volcanics.  The entire package is underlain by"]
[88,10,"Proterozoic granites.  Showing:  The author could not find the"]
[88,11,"early work done on this showing though the property was first"]
[88,12,"prospected in the mid 1960s.  The only other work done on the claim"]
[88,13,"was in 1971 when Anglo United Development ran a ground geophysical"]
[88,14,"survey  over the prospect and drilled three diamond drill holes"]
[88,15,"through the shear to test a coincident anomaly at depth. In general"]
[88,16,"the mineralization occurs in a shear near to and parallelling the"]
[88,17,"volcanic-gabbro contact and consists of fairly massive po. with"]
[88,18,"minor associated py and  cpy. The results were poor with copper"]
[88,19,"values up to 0.27%, and zinc up to 0.22%."]
[89,1,"During 1948, 345 feet of diamond drilling was recorded on the"]
[89,2,"SECUM11 claim by J. McAvoy for  Cunaxa Mining Ltd.  This property"]
[89,3,"is located in the Courageous Lake area of the Yellowknife"]
[89,4,"Supergroup in a peninsula in McKay Lake.  Some pyrite, pyrrhotite,"]
[89,5,"chalcopyrite and trace  galena mineralization was reported, however"]
[89,6,"no further work has been recorded.  Drilling was  also completed on"]
[89,7,"the adjacent KM12 claim."]
[90,1,"During 1948, 500 feet of diamond drilling was recorded on the KM 12"]
[90,2,"claim by J. McAvoy for  Cunaxa Mining Ltd.  This property is"]
[90,3,"located in the Courageous Lake area of the Yellowknife Supergroup"]
[90,4,"in a peninsula in McKay Lake.  Pyrite, pyrrhotite, chalcopyrite and"]
[90,5,"galena were reported, however no further work has been recorded."]
[90,6,"Drilling was also completed on the adjacent SECUM 11 claim."]
[91,1,"Known as the Roma and Jeta claims in 1945-1950, held by Homer YK"]
[91,2,"mines, no assessment report found.  Known as the Don claims in 1958,"]
[91,3,"held by North Goldcrest mines, no assessment report found, and in"]
[91,4,"1973 (also Don claims) held by Golden Ram resources, no report"]
[91,5,"found."]
[92,1,"Regional: The Courageous-MacKay Lake Greenstone Belt is one of the"]
[92,2,"twenty volcanic belts within the  Slave Structural Province which"]
[92,3,"make up the volcanic portion of the Yellowknife Supergroup. The"]
[92,4,"greenstone belt is an eastward facing, homoclinal sequence of"]
[92,5,"volcanic rocks overlain by a thick sedimentary group. The Matthews"]
[92,6,"Lake Volcanic Complex is composed of pyroclastic and volcanoclastic"]
[92,7,"units of  rhyodacite to rhyolite composition.  Mafic flows and"]
[92,8,"interflow sediments make up a minor portion of this complex.  All"]
[92,9,"of the gold showings on the Tundra property are associated with the"]
[92,10,"volcanics of this complex.  Property: The Matthews Lake Volcanic"]
[92,11,"Complex  may be divided into two volcanic cycles characterezed by"]
[92,12,"mafic flows to felsic pyroclastic successions.  The top of  each"]
[92,13,"cycle contains localized gold mineralization within felsic ash and"]
[92,14,"lapilli tuff in assiciation with blue quartz veins and arsenopyrite"]
[92,15,"mineralization.  Showing: The main BERTHA 5 showing is descibed as"]
[92,16,"felsic lapilli tuff with 1% py., and 1% aspy., foliated at 342"]
[92,17,"degrees and dipping 85 degrees to the west.  The surounding geochem"]
[92,18,"samples are described as having  up to 15% blue black quartz"]
[92,19,"veining and up to 10 % banded aspy.  Chlorite rich bands are also"]
[92,20,"noted in the logs. A second, satelite showing 150 m to the NW is"]
[92,21,"descrbed as wacke, near a mafic tuff contact with simmilar"]
[92,22,"minerology to the main showing."]
[93,1,"Regional: The Courageous-MacKay Lake greenstone belt is one of the"]
[93,2,"twenty volcanic belts within the Archean Slave Structural Province"]
[93,3,"which make up the volcanic portion of the Yellowknife Supergroup."]
[93,4,"The greenstone belt is an eastward facing, homoclinal sequence of"]
[93,5,"volcanic rocks overlain by a thick sedimentary group.  The Matthews"]
[93,6,"Lake Volcanic Complex is composed of pyroclastic and volcanoclastic"]
[93,7,"units of rhyodacite to rhyolite composition.  Mafic flows and"]
[93,8,"interflow sediments make up a minor portion of this complex.  All"]
[93,9,"of the gold showings on the Tundra property are associated with the"]
[93,10,"volcanics of this complex.  Property: The Matthews Lake Volcanic"]
[93,11,"Complex  may be divided into two volcanic cycles characterized by"]
[93,12,"mafic flows to felsic pyroclastic successions.  The top of  each"]
[93,13,"cycle contains localized gold mineralization within felsic ash and"]
[93,14,"lapilli tuff in association with blue quartz veins and arsenopyrite"]
[93,15,"mineralization.  Showing: Assessment report 082777 describes three"]
[93,16,"samples which graded over 500 ppb gold.  These are of felsic and"]
[93,17,"intermediate ash tuff beds with up to 20% quartz veining and up to"]
[93,18,"3% aspy., 3% py., trace cpy., and 5 % epidote.  The showings all"]
[93,19,"had foliation striking from 338 to 004 degrees and dipping steeply"]
[93,20,"eastwards."]
[94,1,"Regional: The Courageous-MacKay Lake Greenstone Belt is one of the"]
[94,2,"twenty volcanic belts within the  Slave Structural Province which"]
[94,3,"make up the volcanic portion of the Yellowknife Supergroup. The"]
[94,4,"greenstone belt is an eastward facing, homoclinal sequence of"]
[94,5,"volcanic rocks overlain by a thick sedimentary group. The Matthews"]
[94,6,"Lake Volcanic Complex is composed of pyroclastic and volcanoclastic"]
[94,7,"units of  rhyodacite to rhyolite composition.  Mafic flows and"]
[94,8,"interflow sediments make up a minor portion of this complex.  All"]
[94,9,"of the gold showings on the Tundra property are associated with the"]
[94,10,"volcanics of this complex.  Property: The Matthews Lake Volcanic"]
[94,11,"Complex  may be divided into two volcanic cycles characterezed by"]
[94,12,"mafic flows to felsic pyroclastic successions.  The top of  each"]
[94,13,"cycle contains localized gold mineralization within felsic ash and"]
[94,14,"lapilli tuff in assiciation with blue quartz veins and arsenopyrite"]
[94,15,"mineralization.  Showing: Assessment report 082777 describes one"]
[94,16,"sample gradomg 1040 ppb gold.  This is of a felsic lapilli tuff bed"]
[94,17,"with quartz veining and up to 1% py. The zone is 1 m wide."]
[95,1,"Regional: The Courageous-MacKay Lake Greenstone Belt is one of the"]
[95,2,"twenty volcanic belts within the  Slave Structural Province which"]
[95,3,"make up the volcanic portion of the Yellowknife Supergroup. The"]
[95,4,"greenstone belt is an eastward facing, homoclinal sequence of"]
[95,5,"volcanic rocks overlain by a thick sedimentary group. The Matthews"]
[95,6,"Lake Volcanic Complex is composed of pyroclastic and volcanoclastic"]
[95,7,"units of  rhyodacite to rhyolite composition.  Mafic flows and"]
[95,8,"interflow sediments make up a minor portion of this complex.  All"]
[95,9,"of the gold showings on the Tundra property are associated with the"]
[95,10,"volcanics of this complex.  Property: The Matthews Lake Volcanic"]
[95,11,"Complex  may be divided into two volcanic cycles characterezed by"]
[95,12,"mafic flows to felsic pyroclastic successions.  The top of  each"]
[95,13,"cycle contains localized gold mineralization within felsic ash and"]
[95,14,"lapilli tuff in assiciation with blue quartz veins and arsenopyrite"]
[95,15,"mineralization.  Showing: The HARE 8 showing is a single chip"]
[95,16,"sample taken from an in situ frost heave by Noranda in 1988"]
[95,17,"(assessment report #82777). The sample was of a felsic ash tuff"]
[95,18,"with 75% aphanitic quartz, 10% sericite, 5% biotite, 5% chlorite,"]
[95,19,"2% py, and 1% po.  The sample graded 1150 ppb."]
[96,1,"Regional: The Susu Lake Cu showing is situated within the Indian"]
[96,2,"Mountain greenstone belt which comprises mainly Archean Yellowknife"]
[96,3,"Supergroup supracrustal rocks. The belt is as much as 15 miles wide"]
[96,4,"and extends 40 miles north from Great Slave Lake.  The belt is"]
[96,5,"bounded on the east and west by granitic and migmatitic rocks but"]
[96,6,"has a core of relatively low grade metamorphic rocks(Heywood and"]
[96,7,"Davidson 1969).  The belt is seen to lie on deformed granitoid"]
[96,8,"rocks in some places and in others to be intruded by granitic"]
[96,9,"plutons of closely related age.  Property: The property in which"]
[96,10,"this showing occurs, lies approximately 8 miles west of Susu Lake."]
[96,11,"It comprises a volcanic belt that is part of the larger Indian"]
[96,12,"Mountain greenstone belt.  The volcanic belt is dominated by"]
[96,13,"rhyolites with quartz-biotite-cordierite schists.  Deformation in"]
[96,14,"the area includes shearing and brecciation.  Intrusions of quartz"]
[96,15,"veins are also noted.  Showing: The Susu Lake Cu showing occurs in"]
[96,16,"a brecciated shear zone that hosts disseminated chalcopyrite and"]
[96,17,"bornite.  Mineralization is largely hosted by rhyolites, but also"]
[96,18,"occurs in neighboring quartz-biotite-cordierite schists.  Reserves"]
[96,19,"were calculated at 142,500 tons grading 0.95% Cu in 1967 from 9"]
[96,20,"diamond drill holes that were drilled by Indian Mountain Metal"]
[96,21,"Mines.  No other work on the showing has been recorded to date"]
[96,22,"although in Canadian Mineral Deposits Not Being Mined in 1989, it"]
[96,23,"was mentioned the property had been sold to Ego Resources."]
[96,24,null]
[97,1,"The BB prospect is one of three related volcanogenic massive"]
[97,2,"sulphide occurrences situated in the Indian Mountain greenstone"]
[97,3,"belt in the southern Slave structural province. All stratified"]
[97,4,"rocks have been mapped as belonging to the Archean Yellowknife"]
[97,5,"Supergroup. The base of the stratigraphic sequence in the vicinity"]
[97,6,"of the deposits comprises a series of mafic tuffs with minor,"]
[97,7,"massive and pillowed mafic flows. The bottom of this unit is"]
[97,8,"migmatized. Overlying this mafic base are intermediate tuffs and"]
[97,9,"flows and then a felsic unit including massive rhyolite,"]
[97,10,"intermediate to felsic coarse pyroclastics, tuff, lapilli tuff and"]
[97,11,"tuff breccia. Sulphide deposits are hosted by a 1 - 10 metre thick"]
[97,12,"unit of carbonate-rich exhalite and pyritic cherty tuff, overlying"]
[97,13,"or near the top of the felsic unit. The stratigraphic succession is"]
[97,14,"completed by greywackes and argillites. All stratified rocks have"]
[97,15,"been metamorphosed to middle amphibolite facies."]
[97,16,"The BB massive sulphide deposit consists of a series of closely"]
[97,17,"spaced lenses interbedded with and grading into highly altered"]
[97,18,"siliceous limestone which is probably a carbonate-rich exhalite."]
[97,19,"Layers of coarse grained pyrite and sphalerite are interbedded with"]
[97,20,"layers of coarse grained pyrite and bands of massive, fine-grained"]
[97,21,"sphalerite. Galena occurs as small grains and blebs within massive"]
[97,22,"pyrite and sphalerite and as rims on host rock fragments in the"]
[97,23,"latter. Small blebs of chalcopyrite are scattered throughout the"]
[97,24,"deposit. Associated metallic minerals include minor amounts of"]
[97,25,"chalcopyrite, pyrrhotite, marcasite, magnetite and tetrahedrite."]
[97,26,null]
[98,1,"Reserves were calculated for the BB showing and several values were"]
[98,2,"reported, increasing in tonnage as the number of drill holes"]
[98,3,"increased.  By the end of 1952, over 23,000 feet total drilling on"]
[98,4,"the property had been completed and reserves were calculated at 924,"]
[98,5,"000 tons grading 10.3% Zn, 0.85% Pb and 3.45 oz/ton Ag.    The BB"]
[98,6,"Lake Copper zone is situated within a discordant alteration pipe/"]
[98,7,"stringer zone underlying the BB and Kennedy Lake stratiform"]
[98,8,"mineralization. Chalcopyrite and pyrrhotite occur as stringers,"]
[98,9,"layers and seams in two bands 8 - 13 metres wide and up to 200"]
[98,10,"metres long. Sulphides in the higher grade portions of these bands"]
[98,11,"are accompanied by a black, unidentified amphibole. The alteration"]
[98,12,"pipe within which this stringer mineralization is located is zoned."]
[98,13,"An inner, intensely altered zone consists of garnet, anthophyllite,"]
[98,14,"cummingtonite, cordierite, sericite and sillimanite in a less"]
[98,15,"intensely altered envelope which is characterized more by biotite,"]
[98,16,"quartz and chlorite."]
[99,1,"Work on the BB showing began in 1948 when the property of which the"]
[99,2,"showing lies was discovered for McAvoy and was optioned off to"]
[99,3,"Hollinger Gold Mines.  Diamond drilling was started on the property"]
[99,4,"the following year.  Over 15,825 feet of core was drilled and"]
[99,5,"reserves were calculated at 270,000 tons of ore averaging 15.68% Zn,"]
[99,6,"1.67% Pb and 5.21 oz./ton Ag to a depth of 400 feet.  In 1951,"]
[99,7,"under the ownership of Indian Mountain Metal Mines Ltd., reserves"]
[99,8,"were re-calculated after drilling to the 800 foot horizon."]
[99,9,"Information of the drilling program done in 1951, gave good enough"]
[99,10,"results for another 25,000 feet of drilling to be proposed for the"]
[99,11,"following year.  By the end of 1952, the BB zone had been drilled"]
[99,12,"to the extent of 23,000 feet and the amount of reserves for the"]
[99,13,"zone increased to 924,000 tons.  Plans were under consideration for"]
[99,14,"underground development and mill construction for 1953, but were"]
[99,15,"not implemented.  In 1965, extensive electromagnetic and"]
[99,16,"magnetometer surveys were done by Indian Mountain Metals Mines Ltd."]
[99,17,"to re-examine the entire volcanic belt.  In 1966, drilling was done"]
[99,18,"on anomalies that were outlined the year before in the Kennedy Lake"]
[99,19,"area.  After 1966, no work on the BB zone has been reported.  The"]
[99,20,"property went to lease in 1974 and in 1979 the property was"]
[99,21,"optioned to Ego Resources. The Kennedy Lake Zone which lies under"]
[99,22,"Kennedy Lake is described in AR 061728 as the western extension of"]
[99,23,"the BB zone although it is separated from the latter by a barren"]
[99,24,"zone.  The zone is not exposed at the surface although drilling"]
[99,25,"outlined it to be 120 feet long with a maximum width of 21 feet."]
[99,26,"The ore is similar in all respects to that of the BB zone."]
[99,27,"Reserves for the Kennedy Lake zone were calculated at 43,000 tons"]
[99,28,"grading 7.3% Zn, 1.1% Pb and 4.0 oz./ton Ag."]
[100,1,"The COTTONGRASS Au showing lies in the Archean Slave Structural"]
[100,2,"Province, in the Indian Mountain Greenstone belt.  It is hosted"]
[100,3,"within rhyolite rocks approximately 2 metres wide, that have been"]
[100,4,"metamorphosed to granulite facies.  The sample is defined by a"]
[100,5,"single grab sample that assayed 680 ppb of Au."]
[101,1,"Regional The Dawn & Gem-1 showing is situated within the Indian"]
[101,2,"Mountain greenstone belt which is mainly Archean Supracrustal rocks."]
[101,3,"Composed of volcanic and sedimentary rocks, it is as much as 15"]
[101,4,"miles wide and extends 40 miles north from Great Slave Lake.  The"]
[101,5,"belt is bound on the east and west by granitic and migmatitic rocks"]
[101,6,"but has a core of relatively low grade metamorphic rocks(Heywood"]
[101,7,"and Davidson 1969).  The belt is seen to lie on deformed granitoid"]
[101,8,"rocks in some places and in others to be intruded by granitic"]
[101,9,"plutons of closely related age.  Property Rocks in the property"]
[101,10,"area are almost entirely of volcanic origin and consist of flows,"]
[101,11,"pyroclastics, and associated dykes and sills from felsic to mafic"]
[101,12,"in composition.  The rocks of the property have been folded,"]
[101,13,"striking approximately north-south, and are crosscut by a fault"]
[101,14,"that is directly north of the showing. Showing Mineralization is"]
[101,15,"within rhyolitic volcanic flows and occurs mainly as sphalerite,"]
[101,16,"galena and silver.  Its occurrence can be massive, disseminated or"]
[101,17,"as blebs within the host rock.  Some minor chalcopyrite, pyrite and"]
[101,18,"arsenopyrite are also associated with the mineralization.  Assay"]
[101,19,"results from 3 diamond drill holes with total length of 2159 feet,"]
[101,20,"range from 0.90% Pb over 2.5 feet to 0.97% Pb over 2.5 feet and 0."]
[101,21,"41% Zn over 2 feet to 6.01% Zn over 1.5 feet.  The silver also had"]
[101,22,"assay results but no measurements are given and thus not reported."]
[102,1,"Exploration Work in the area began after the discovery of the BB"]
[102,2,"zone in 1948, just south of the Dawn & Gem-1 showing.  The area was"]
[102,3,"staked in 1957 and 1958 by the McAvoy Option Group.  The property"]
[102,4,"was then optioned off to Mount Wright Iron Mines Company Ltd. in"]
[102,5,"1958 and in 1959 they drilled 39 holes in the showing vicinity.  An"]
[102,6,"EM survey was done on the showing in 1958.  In 1966, more"]
[102,7,"geophysical surveys were completed over the showing as well as 8"]
[102,8,"holes were drilled by Indian Mountain Metal Mines Ltd.  From this"]
[102,9,"drilling 3 holes intersected mineralization and the define the"]
[102,10,"showing.  No further work was completed on the area until 1992 when"]
[102,11,"Taiga Consultants Ltd. on behalf of Royal Oak Mines, Asamera"]
[102,12,"Minerals Inc. and Nebex Resources Ltd. did an EM survey over the"]
[102,13,"showing."]
[103,1,"Regional The Dawn & Gem-2 showing is situated within the Indian"]
[103,2,"Mountain greenstone belt which is mainly Archean Supracrustal rocks."]
[103,3,"It is as much as 15 miles wide and extends 40 miles north from"]
[103,4,"Great Slave Lake.  The belt is bound on the east and west by"]
[103,5,"granitic and migmatitic rocks but has a core of relatively low"]
[103,6,"grade metamorphic rocks(Heywood and Davidson 1969).  The belt is"]
[103,7,"seen to lie on deformed granitoid rocks in some places and in"]
[103,8,"others to be intruded by granitic plutons of closely related age."]
[103,9,"Property Rocks in the property area are almost entirely of volcanic"]
[103,10,"origin and consist of flows, pyroclastics, and associated dykes and"]
[103,11,"sills from felsic to mafic in composition.  The rocks of the"]
[103,12,"property have been folded, striking approximately north-south, and"]
[103,13,"are crosscut by a fault that is directly north of the showing."]
[103,14,"Showing Mineralization is found within rhyolitic volcanic flows and"]
[103,15,"occurs mainly as chalcopyrite, sphalerite and silver.  Its"]
[103,16,"occurrence can be massive, disseminated or as blebs within the host"]
[103,17,"rock.  Some minor galena, pyrite and arsenopyrite are also"]
[103,18,"associated with the mineralization.  Diamond drilling from one hole,"]
[103,19,"AR 017123, ran assay results ranging from 0.2% Cu over 4 feet to 0."]
[103,20,"88% Cu over 3 feet and 0.67% Zn over 5 feet to 1.66% Zn over 4 feet."]
[103,21,"From AR 017122, 11 holes were drilled with a total of 1791 feet,"]
[103,22,"however only 8 holes intersected mineralization.  Assay results"]
[103,23,"from these holes ranged from 0.27% Cu over 48 inches to 3.98% Cu"]
[103,24,"over 24 inches. The silver also had assay results but no"]
[103,25,"measurements are given and thus not reported."]
[104,1,"Exploration Work in the area began after the discovery of the BB"]
[104,2,"zone in 1948, just south of the Dawn & Gem-2 showing.  The area was"]
[104,3,"staked in 1957 and 1958 by the McAvoy Option Group.  The property"]
[104,4,"was then optioned off to Mount Wright Iron Mines Company Ltd. in"]
[104,5,"1958 and in 1959 they drilled 8 holes on the showing.  An EM survey"]
[104,6,"was done on the showing in 1958.  In 1966, more geophysical surveys"]
[104,7,"were completed over the showing as well as more drilling in the"]
[104,8,"showing vicinity by Indian Mountain Metal Mines Ltd.  No further"]
[104,9,"work was completed on the area until 1992 when Taiga Consultants"]
[104,10,"Ltd. on behalf of Royal Oak Mines, Asamera Minerals Inc. and Nebex"]
[104,11,"Resources Ltd. did an EM survey over the showing."]
[105,1,"The Plex Lake showing is a CANMINDEX showing and is found on the"]
[105,2,"map 1198A as a cp occurrence.  No mention of this showing is made"]
[105,3,"in any assessment report."]
[106,1,"The Susu Lake North showing is a canmindex showing located on the"]
[106,2,"COTTONGRASS Claims owned by BHP-Utah Mines Ltd. in the late 1980s."]
[106,3,"They are located on the maps in assessment reports 082714 and"]
[106,4,"083069 but no mention of the showing is made in the written portion"]
[106,5,"of the reports.  The showing is considered a reconnaissance showing"]
[106,6,"and is recorded from the assessment report maps with an assay"]
[106,7,"result of 2859 ppm of Cu."]
[107,1,"The 5 Mi West of Susu Lake showing is a CANMINDEX showing.  It is"]
[107,2,"located on the GSC 1198A map as a chalcopyrite occurrence and is"]
[107,3,"covered by ground geophysics in assessment report 017125."]
[108,1,"The Brislane Lake-1 showing is defined by five grab samples taken"]
[108,2,"by Lebel Oro Mines Ltd. from the Indian Mountain Lake area.  The"]
[108,3,"area is within the Slave Structural Province, Archean in age.  The"]
[108,4,"samples returned assay results of 0.75% Cu, 0.65% Cu, 0.23% Cu, 2."]
[108,5,"35% Cu, and 0.27% Cu."]
[109,1,"The Brislane Lake-2 showing is defined by a single grab sample from"]
[109,2,"the Indian Mountain Lake area.  The sample is part of the Slave"]
[109,3,"Province, Archean in age.  Assay results are given as 0.03 oz. Au"]
[109,4,"and 0.45% Cu."]
[110,1,"Regional The BRI 8 showing is situated within the Indian Mountain"]
[110,2,"greenstone belt which is mainly Archean Supracrustal rocks."]
[110,3,"Composed of volcanic and sedimentary rocks, it is as much as 15"]
[110,4,"miles wide and extends 40 miles north from Great Slave Lake.  The"]
[110,5,"belt is bound on the east and west by granitic and migmatitic rocks"]
[110,6,"but has a core of relatively low grade metamorphic rocks(Heywood"]
[110,7,"and Davidson 1969).  The belt is seen to lie on deformed granitoid"]
[110,8,"rocks in some places and in others to be intruded by granitic"]
[110,9,"plutons of closely related age.  Property The BRI 8 showing lies in"]
[110,10,"the south-central part of the property and was prospected for"]
[110,11,"copper/gold occurrences.  A quartz diorite or tonalite intrusion"]
[110,12,"underlies this area of the property and is usually massive, medium-"]
[110,13,"to coarse-grained, creamy buff, and composed of quartz, feldspar,"]
[110,14,"biotite and hornblende.  The tonalite is seen to intrude the mafic"]
[110,15,"volcanics of the area.    Showing  The mineralization of the BRI 8"]
[110,16,"showing is in well fractured, altered quartz diorite.  It occurs as"]
[110,17,"chalcopyrite and gold with minor pyrite and pyrrhotite.  The"]
[110,18,"showing was explored in the 1950s by four trenches and smaller pits"]
[110,19,"which were dug and blasted on a series of parallel mineralized"]
[110,20,"fracture zones.  In 1992, in a joint venture between Royal Oak"]
[110,21,"Mines, Asamera Minerals and Nebex Resources, 16 samples from frost-"]
[110,22,"heaved boulders and the old trenches were taken.  Anomalous copper"]
[110,23,"values ranging from 912 ppm to 3.42% over narrow widths were"]
[110,24,"reported.  Two samples also returned anomalous gold values of 0.086"]
[110,25,"oz/t Au and 837 ppb Au."]
[111,1,"Regional The Taco Island showing is situated within the Indian"]
[111,2,"Mountain greenstone belt which is mainly Archean Supracrustal rocks."]
[111,3,"Composed of volcanic and sedimentary rocks, it is as much as 15"]
[111,4,"miles wide and extends 40 miles north from Great Slave Lake.  The"]
[111,5,"belt is bound on the east and west by granitic and migmatitic rocks"]
[111,6,"but has a core of relatively low grade metamorphic rocks(Heywood"]
[111,7,"and Davidson 1969).  The belt is seen to lie on deformed granitoid"]
[111,8,"rocks in some places and in others to be intruded by granitic"]
[111,9,"plutons of closely related age.  Property The Taco Island showing"]
[111,10,"lies in the south part of Brislane Lake. The property was"]
[111,11,"prospected for copper/gold occurrences.  Most of the east half of"]
[111,12,"the island is underlain by hornblende-cummingtonite-biotite-garnet"]
[111,13,"schist while the west half is underlain by a hornblende schist."]
[111,14,"Two narrow lenses of diopside-bearing rocks occur in the centre of"]
[111,15,"the island and near the north tip.    Showing  The mineralization"]
[111,16,"of the Taco Island showing is in two different lithologies - in the"]
[111,17,"diopside-garnet skarn and in the hornblende-cummingtonite-biotie-"]
[111,18,"garnet schist. The mineralization occurs as disseminated blebs and"]
[111,19,"fine stringers of pyrrhotite, pyrite and chalcopyrite.  In 1992, in"]
[111,20,"a joint venture between Royal Oak Mines, Asamera Minerals and Nebex"]
[111,21,"Resources 8 chip samples from higher grade sulfide occurrences on"]
[111,22,"the island were taken.  The best copper values reported were 5.58%"]
[111,23,"Cu over 0.6 m and 5.69% Cu over 1.0 m.  Anomalous gold values also"]
[111,24,"reported were 147 ppb Au and 740 ppb Au."]
[112,1,"This is a CANMINDEX showing located as an occurrence on the Mineral"]
[112,2,"Occurrence Overlay Map 75M02.  No mention of this showing is made"]
[112,3,"in any assessment report or government report."]
[113,1,"This is a CANMINDEX showing located as an occurrence on the Mineral"]
[113,2,"Occurrence Overlay Map 75M02.  No mention of this showing is made"]
[113,3,"in any assessment report or government report."]
[114,1,"The BRI 6  showing is represented by 11 grab samples taken from"]
[114,2,"mafic volcanics south of Brislane Lake.  The volcanics are part of"]
[114,3,"the Indian Mountain greenstone belt and are Archean in age.  The"]
[114,4,"assay results for the grab samples ranged from 4274 ppm Cu over 0."]
[114,5,"60 m to 7.06% Cu over 1.10 m."]
[115,1,"The BRI 3  showing is a reconnaissance showing represented by 4"]
[115,2,"grab samples taken from mafic volcanics north of Brislane Lake."]
[115,3,"The volcanics are part of the Indian Mountain greenstone belt and"]
[115,4,"are Archean in age.  The assay results for the grab samples ranged"]
[115,5,"from 2832 ppm Cu over 0.50 m to 2.09% Cu over 0.40"]
[115,6,"m"]
[116,1,"This showing is a CANMINDEX showing and is located as an occurrence"]
[116,2,"on the Mineral Occurrence Overlay Map 075M02.  No mention of this"]
[116,3,"showing is in any assessment report or government report."]
[117,1,"This showing is a CANMINDEX showing and is a copper occurrence on"]
[117,2,"the Mineral Occurrence Overlay Map 75M02.  No mention of this"]
[117,3,"showing is made in any assessment report or government report."]
[118,1,"The BRI 5  showing is represented by 8 chip samples taken from"]
[118,2,"mafic volcanic frost heave boulders north of Brislane Lake.  The"]
[118,3,"volcanics are part of the Indian Mountain greenstone belt and are"]
[118,4,"Archean in age.  The assay results for the grab samples ranged from"]
[118,5,"2806 ppm Cu over 0.80 m to 2.41% Cu over 0.70 m."]
[119,1,"The JUF showing is a urainium occurrence in the Herriman Lake area."]
[119,2,"Found within a biotite schist within granitic rocks, two samples"]
[119,3,"assayed 0.033% and 0.15% U3O8.   The showing was discovered prior"]
[119,4,"to 1952 by J. Woolgar and no further work on the showing has been"]
[119,5,"recorded since."]
[120,1,"Record derived from the Canadian Mineral Occurrence Index"]
[120,2,"(CANMINDEX) of the Geological Survey of Canada.  Administrative"]
[120,3,"Region:  District of Mackenzie.  Showing is located 0.5 miles west"]
[120,4,"of Susu Lake.  The only records of the showing are from GSC map"]
[120,5,"1198A in which it occurs as a rusty zone with pyrite and pyrrhotite"]
[120,6,"and on the Mineral Occurrence Overlay 75M/02 in which it is shown"]
[120,7,"as a copper prospect."]
[121,1,"The COTTONGRASS Cu showing is defined by a single grab sample from"]
[121,2,"Archean rhyolites in the Indian Mountain Greenstone belt.  The"]
[121,3,"rhyolites have been metamorphosed to granulite facies and are in"]
[121,4,"contact with quartz-biotite schists where the mineralization is"]
[121,5,"apparent.  The sample assayed 2580 ppm Cu."]
[122,1,"The Susu Lake West 2 showing is a canmindex showing and is only"]
[122,2,"recorded on the Mineral Occurrence Overlay map as a copper prospect"]
[122,3,"showing.  No mention of this showing was found in any  assessment"]
[122,4,"reports or papers."]
[123,1,"Regional The HO 16 showing is situated within the Indian Mountain"]
[123,2,"greenstone belt which is mainly Archean Supracrustal rocks."]
[123,3,"Composed of volcanic and sedimentary rocks, it is as much as 15"]
[123,4,"miles wide and extends 40 miles north from Great Slave Lake.  The"]
[123,5,"belt is bound on the east and west by granitic and migmatitic rocks"]
[123,6,"but has a core of relatively low grade metamorphic rocks(Heywood"]
[123,7,"and Davidson 1969).  The belt is seen to lie on deformed granitoid"]
[123,8,"rocks in some places and in others to be intruded by granitic"]
[123,9,"plutons of closely related age.  Property Rocks in the property"]
[123,10,"area are almost entirely of volcanic origin and consist of flows,"]
[123,11,"pyroclastics, and associated dykes and sills.  The rocks of the"]
[123,12,"property have been folded, striking approximately north-south, and"]
[123,13,"are crosscut by a fault that is directly north of the showing."]
[123,14,"Showing This showing is defined by 3 drill holes with a combined"]
[123,15,"total of 992 feet which intersected narrow bands of chalcopyrite,"]
[123,16,"sphalerite and pyrite in sheared dacite-andesite volcanics.  Best"]
[123,17,"intersections were 1.04% Cu and 1.02 oz/ton Ag over 2 feet and 0."]
[123,18,"86% Cu over 4 feet."]
[124,1,"Exploration The area in which the HO 16 claim lies was first staked"]
[124,2,"in 1949 by the McAvoy Option Group.  In 1959, three drill holes"]
[124,3,"were drilled to a depth of 992 feet.  No other work has been"]
[124,4,"performed on the showing, however in 1992, a joint venture between"]
[124,5,"Royal Oak Mines, Asamera Minerals and Nebex Resources did some"]
[124,6,"reconnaissance sampling nearby."]
[125,1,"Regional The Pb No. 5 showing is situated within the Indian"]
[125,2,"Mountain greenstone belt which is mainly Archean Supracrustal rocks."]
[125,3,"Composed of volcanic and sedimentary rocks, it is as much as 15"]
[125,4,"miles wide and extends 40 miles north from Great Slave Lake.  The"]
[125,5,"belt is bound on the east and west by granitic and migmatitic rocks"]
[125,6,"but has a core of relatively low grade metamorphic rocks(Heywood"]
[125,7,"and Davidson 1969).  The belt is seen to lie on deformed granitoid"]
[125,8,"rocks in some places and in others to be intruded by granitic"]
[125,9,"plutons of closely related age.  Property Rocks in the property"]
[125,10,"area are almost entirely of volcanic origin and consist of flows,"]
[125,11,"pyroclastics, and associated dykes and sills.  The rocks of the"]
[125,12,"property have been folded, striking approximately north-south, and"]
[125,13,"are crosscut by a fault that is directly north of the showing."]
[125,14,"Showing This showing is defined by 3 drill holes with a combined"]
[125,15,"total of 180 feet which intersected small amounts of chalcopyrite"]
[125,16,"in a rhyolite volcanic enclosed in a sediment.  No assay results"]
[125,17,"have been recorded.  Exploration During the winter of 1950, Captain"]
[125,18,"Yellowknife Gold Mines Ltd. drilled three diamond drill holes on"]
[125,19,"the PB 5 claim east of Indian Mountain Lake."]
[126,1,"Regional The FLO showing is situated within the Indian Mountain"]
[126,2,"greenstone belt which is mainly Archean Supracrustal rocks."]
[126,3,"Composed of volcanic and sedimentary rocks, it is as much as 15"]
[126,4,"miles wide and extends 40 miles north from Great Slave Lake.  The"]
[126,5,"belt is bound on the east and west by granitic and migmatitic rocks"]
[126,6,"but has a core of relatively low grade metamorphic rocks(Heywood"]
[126,7,"and Davidson 1969).  The belt is seen to lie on deformed granitoid"]
[126,8,"rocks in some places and in others to be intruded by granitic"]
[126,9,"plutons of closely related age.  Property Rocks in the property"]
[126,10,"area are almost entirely of volcanic origin and consist of flows,"]
[126,11,"pyroclastics, and associated dykes and sills.  The rocks of the"]
[126,12,"property have been folded, striking approximately north-south, and"]
[126,13,"are crosscut by a fault that is directly north of the showing."]
[126,14,"Showing The FLO showing is on the west of the northern part of"]
[126,15,"Brislane Lake, owned by J. Herriman in 1956.  In November of that"]
[126,16,"year a hole was drilled to a depth of 501 feet where chalcopyrite"]
[126,17,"and pyrite were observed within a narrow quartz vein.  No other"]
[126,18,"work has been completed on the showing although in 1992 a joint"]
[126,19,"venture between Royal Oak Mines, Asamera Minerals and Nebex"]
[126,20,"Resources did reconnaissance sampling in the immediate vicinity."]
[127,1,"The Kennedy Lake West prospect is one of three related volcanogenic"]
[127,2,"massive sulphide occurrences situated in the Indian Mountain"]
[127,3,"greenstone belt in the southern Slave structural province. All"]
[127,4,"stratified rocks have been mapped as belonging to the Archean"]
[127,5,"Yellowknife Supergroup. The base of the stratigraphic sequence in"]
[127,6,"the vicinity of the deposits comprises a series of mafic tuffs with"]
[127,7,"minor, massive and pillowed mafic flows. The bottom of this unit is"]
[127,8,"migmatized. Overlying this mafic base are intermediate tuffs and"]
[127,9,"flows and then a felsic unit including massive rhyolite,"]
[127,10,"intermediate to felsic coarse pyroclastics, tuff, lapilli tuff and"]
[127,11,"tuff breccia.  The stratigraphic succession is completed by"]
[127,12,"greywackes and argillites. All stratified rocks have been"]
[127,13,"metamorphosed to middle amphibolite facies.  Mineralization of the"]
[127,14,"Kennedy Lake West prospect occurs as chalcopyrite with minor"]
[127,15,"amounts of silver and sphalerite.  The chalcopyrite is associated"]
[127,16,"with amphibole and garnet rich bands of the volcanics and is"]
[127,17,"disseminated in nature.  The mineralization can be traced"]
[127,18,"discontinuously over 2,000 feet between BB Lake and Kennedy Lake."]
[127,19,"Pyrrhotite and pyrite are associated with the chalcopyrite in the"]
[127,20,"low grade sections at approximately a 1:1 ratio."]
[128,1,"The Kennedy Lake West prospect is located on the VOO claims which"]
[128,2,"were first staked by James McAvoy in 1951.  In 1952, 6 diamond"]
[128,3,"drill holes were drilled on the VOO claims totalling 2,987 feet."]
[128,4,"In 1959, trenching was carried out and 757 feet were drilled in 10"]
[128,5,"holes.  In 1965, Indian Mountain Metal Mines Ltd. located an"]
[128,6,"anomaly under Kennedy Lake which they drilled into in 1966.   The"]
[128,7,"drilling intersected a zone of low grade disseminated chalcopyrite"]
[128,8,"up to 120 feet wide.  This Kennedy Lake West copper zone has been"]
[128,9,"estimated to contain 1,000,000 tons grading 0.90% Cu over a length"]
[128,10,"of 835 feet.    In 1966, Indian Mountain Metal Mines Ltd. optioned"]
[128,11,"the VOO claims and drilled 9 holes and intersected the westward"]
[128,12,"extension of the copper zone.  The claims subsequently lapsed and"]
[128,13,"the ground was restaked by K. J. McDonald in May 1972 and later"]
[128,14,"that month transferred to Indian Mountain Metal Mines Ltd."]
[128,15,"Exploration work included geological mapping and a ground EM survey."]
[128,16,"Channel samples averaged 0.5% Cu and 0.94 oz./ton Ag over a width"]
[128,17,"of 25 feet.    In 1974, a tonnage figure for the Kennedy Lake West"]
[128,18,"zone was reported as 1,500,000 tons grading 0.62% Cu, including a"]
[128,19,"higher grade core of 612,000 tons grading 1.12% Cu.  In 1979,"]
[128,20,"Indian Mountain Metal Mines Ltd. amalgamated to form Initiative"]
[128,21,"Explorations Inc.  The property was then optioned off to Domego"]
[128,22,"Resources Ltd. in the early 1980s, who still held the claims in"]
[128,23,"summer 1998."]
[129,1,"This VOY showing is from Mineral Occurrence Map 75M02 as a copper"]
[129,2,"prospect and was converted as a CANMINDEX showing.  No mention of"]
[129,3,"this showing is found within any other assessment report."]
[130,1,"Regional The Benny Bay Zone showing is situated within the Indian"]
[130,2,"Mountain greenstone belt which is mainly Archean Supracrustal rocks."]
[130,3,"Composed of volcanic and sedimentary rocks, it is as much as 15"]
[130,4,"miles wide and extends 40 miles north from Great Slave Lake.  The"]
[130,5,"belt is bound on the east and west by granitic and migmatitic rocks"]
[130,6,"but has a core of relatively low grade metamorphic rocks(Heywood"]
[130,7,"and Davidson 1969).  The belt is seen to lie on deformed granitoid"]
[130,8,"rocks in some places and in others to be intruded by granitic"]
[130,9,"plutons of closely related age.  Property Rocks in the property"]
[130,10,"area are almost entirely of volcanic origin and consist of flows,"]
[130,11,"pyroclastics, and associated dykes and sills.  The rocks of the"]
[130,12,"property have been folded, striking approximately north-south, and"]
[130,13,"are crosscut by a fault that is directly north of the showing."]
[130,14,"Showing The Benny Bay Zone is defined by two holes drilled by"]
[130,15,"Indian Mountain Mines Ltd. in 1974 which intersected a zinc rich"]
[130,16,"zone.  Sphalerite with pyrite and pyrrhotite were seen within a"]
[130,17,"narrow stratiform zone within the upper calcareous fragmental"]
[130,18,"member of the felsic sequence.  The best reported assay value from"]
[130,19,"the two holes was 7.9% Zn over 37 cm. No other work on the Benny"]
[130,20,"Bay Zone has been recorded since the 1974 drilling, although in AR"]
[130,21,"083129 a summary of the zone is stated."]
[131,1,"Regional The Northern Zinc Zone showing is situated within the"]
[131,2,"Indian Mountain greenstone belt which is mainly Archean"]
[131,3,"Supracrustal rocks.  Composed of volcanic and sedimentary rocks, it"]
[131,4,"is as much as 15 miles wide and extends 40 miles north from Great"]
[131,5,"Slave Lake.  The belt is bound on the east and west by granitic and"]
[131,6,"migmatitic rocks but has a core of relatively low grade metamorphic"]
[131,7,"rocks(Heywood and Davidson 1969).  The belt is seen to lie on"]
[131,8,"deformed granitoid rocks in some places and in others to be"]
[131,9,"intruded by granitic plutons of closely related age.  Property"]
[131,10,"Rocks in the property area are almost entirely of volcanic origin"]
[131,11,"and consist of flows, pyroclastics, and associated dykes and sills."]
[131,12,"The rocks of the property have been folded, striking approximately"]
[131,13,"north-south, and are crosscut by a fault that is directly north of"]
[131,14,"the showing.    Showing Mineralization is found within quartz-"]
[131,15,"carbonate stockworks in volcanic flows and occurs as sphalerite,"]
[131,16,"chalcopyrite and lead.  Its occurrence can be massive, disseminated"]
[131,17,"or as blebs within the host rock.  Garnets occur with the"]
[131,18,"mineralization as well as some minor pyrrhotite, pyrite and silver."]
[131,19,"Assay results from 2 holes drilled 180 m apart along strike,"]
[131,20,"intersected respectively 7.3 m averaging 7.53% Zn and 4.88 m"]
[131,21,"averaging 4.83% Zn."]
[132,1,"Exploration Work in the area began after the discovery of the BB"]
[132,2,"zone in 1948, just south of the Northern Zinc Zone showing.  The"]
[132,3,"area was staked in 1957 and 1958 by the McAvoy Option Group.  The"]
[132,4,"property was then optioned off to Mount Wright Iron Mines Company"]
[132,5,"Ltd. in 1958 and in 1959 they drilled 4 holes on the showing.  An"]
[132,6,"EM survey was done on the showing in 1958.  In 1966, more"]
[132,7,"geophysical surveys were completed over the showing as well as more"]
[132,8,"drilling by Indian Mountain Metal Mines Ltd in 1974.  No further"]
[132,9,"work was completed in the area until 1992 when Taiga Consultants"]
[132,10,"Ltd. on behalf of Royal Oak Mines, Asamera Minerals Inc. and Nebex"]
[132,11,"Resources Ltd. reported values from two drill holes from previous"]
[132,12,"work done on the claim in 1974."]
[133,1,"Regional The No. 2 Copper Zone  showing is situated within the"]
[133,2,"Indian Mountain greenstone belt which is mainly Archean"]
[133,3,"Supracrustal rocks.  Composed of volcanic and sedimentary rocks, it"]
[133,4,"is as much as 15 miles wide and extends 40 miles north from Great"]
[133,5,"Slave Lake.  The belt is bound on the east and west by granitic and"]
[133,6,"migmatitic rocks but has a core of relatively low grade metamorphic"]
[133,7,"rocks(Heywood and Davidson 1969).  The belt is seen to lie on"]
[133,8,"deformed granitoid rocks in some places and in others to be"]
[133,9,"intruded by granitic plutons of closely related age.  Property"]
[133,10,"Rocks in the property area are almost entirely of volcanic origin"]
[133,11,"and consist of flows, pyroclastics, and associated dykes and sills."]
[133,12,"The rocks of the property have been folded, striking approximately"]
[133,13,"north-south, and are crosscut by a fault that is directly north of"]
[133,14,"the showing.    Showing Mineralization is found within volcanic"]
[133,15,"flows and occurs mainly as chalcopyrite, sphalerite and silver."]
[133,16,"Its occurrence can be massive, disseminated or as blebs within the"]
[133,17,"host rock.  Garnets occur with the mineralization as well as some"]
[133,18,"minor galena, pyrite and arsenopyrite.  Assay results from 15 drill"]
[133,19,"holes with a total of 3306 feet drilled, range from 0.30% Cu over"]
[133,20,"12 inches to 6.15% Cu over 48 inches and 0.30% Zn over 36 inches to"]
[133,21,"1.26% Zn over 48 inches.  The silver also had assay results but no"]
[133,22,"measurements are given and thus not reported."]
[134,1,"Exploration Work in the area began after the discovery of the BB"]
[134,2,"zone in 1948, just south of the No. 2 Copper Zone showing.  The"]
[134,3,"area was staked in 1957 and 1958 by the McAvoy Option Group.  The"]
[134,4,"property was then optioned off to Mount Wright Iron Mines Company"]
[134,5,"Ltd. in 1958 and in 1959 they drilled 15 holes on the showing.  An"]
[134,6,"EM survey was done on the showing in 1958.  In 1966, more"]
[134,7,"geophysical surveys were completed over the showing as well as more"]
[134,8,"drilling by Indian Mountain Metal Mines Ltd.  No further work was"]
[134,9,"completed on the area until 1992 when Taiga Consultants Ltd. on"]
[134,10,"behalf of Royal Oak Mines, Asamera Minerals Inc. and Nebex"]
[134,11,"Resources Ltd. did an EM survey over the showing."]
[135,1,"No claims found to be associated with this showing, quite possibly"]
[135,2,"a GSC mapping find.  No exploration company assessment report was"]
[135,3,"found covering the showing.  The showing was converted from"]
[135,4,"CANMINDEX."]
[136,1,"The Brislane Lake showing is a CANMINDEX showing.  No record of"]
[136,2,"this showing is made in any assessment report."]
[137,1,"In 1966, Precambrian Mining Services, on behalf of Anglo United"]
[137,2,"Development Corporation and (according to NMI) Northgate"]
[137,3,"Exploration Limited, conducted a regional exploration program known"]
[137,4,"as Project Circle in the Camsell - Rivett Lakes greenstone belt,"]
[137,5,"focussed on the volcanic-sediment contact. Reconnaisance HLEM and"]
[137,6,"magnetic surveys, followed by geological mapping in areas of"]
[137,7,"detected conductors, revealed a number of targets deemed worthy of"]
[137,8,"follow-up. Not all surface sampling results are provided in the"]
[137,9,"submitted Assessment Reports. Five drill holes in 1967 tested"]
[137,10,"targets at the NW end of Lac Sans Disant, for which there is no"]
[137,11,"surface information in the Reports, while the C-6, C-3 and P-2"]
[137,12,"targets, deemed the most interesting in conclusions to the final"]
[137,13,"1966 report, were not drill-tested.  The Q4 occurrence is defined"]
[137,14,"by one drill hole which cut 0.26% Zn over 3 feet, and a number of 3"]
[137,15,"ft and 6 ft sections which assayed 0.10 and 0.15% Zn. Another hole"]
[137,16,"testing conductor O1, about 500 m to the NE, yielded a 10 ft"]
[137,17,"section of 0.10 % Zn."]
[138,1,"The Tip and Nut are possibly a restaking of the Roc claims (NMI"]
[138,2,"075M05CU 003).  Regional: The property is located near the center"]
[138,3,"of a narrow 70 km long NNE trending belt of Archean Yellowknife"]
[138,4,"Supergroup, volcanic and sedimentary rocks within the Slave"]
[138,5,"Province.  The belt, known as the Camsell Lake Belt forms the"]
[138,6,"eastern limb of a synclinal fold cored by Archean biotite-muscovite"]
[138,7,"granites.(GSC map 738-A)  Property: The property lies on a contact"]
[138,8,"between meta-volcanics to the east, and meta-sediments to the west."]
[138,9,"The volcanics on the property include mafic to felsic volcanic"]
[138,10,"cycles younging to the and including intervals of tuff, interflow"]
[138,11,"sediments and sulphidic exhalites and rhyolite domes.  Overlying"]
[138,12,"the volcanics are typical Yellowknife group amphibolite grade"]
[138,13,"turbidites.  The showing occurs 100 feet from a shear zone near the"]
[138,14,"volcanic sediment contact."]
[139,1,"Showing: The TIP showing on the KIM #1 claim was discovered in 1949"]
[139,2,"by prospectors for a syndicate headed by W.J. McDonough.  The"]
[139,3,"property was subsequently staked by a number of individuals and"]
[139,4,"companies including Tailsman who drilled the showing in 1971"]
[139,5,"finding gold bearing vein up to f feet thick.  In 1984 J. R."]
[139,6,"Woolgar did a soil chemistry and VLF survey over the property as"]
[139,7,"well as mapping and chip sampling.  The Tip gold showing is"]
[139,8,"comprised of a mineralized quartz vein in a chlorite, amphibole"]
[139,9,"schist striking at 35 degrees and  dipping steeply. The vein which"]
[139,10,"is 20 cm wide on surface and up to 1 m  wide in drilling is exposed"]
[139,11,"over 35 meters of trenching and has locally abundant pyrite with"]
[139,12,"minor arsenopyrite, chalcopyrite, galena, and visible gold.  Trench"]
[139,13,"samples graded up to 9.082 oz/t Au over 15 cm, and one grab sample"]
[139,14,"ran 35.55 oz/ton.  The host amphibolite did not carry gold. The"]
[139,15,"host rock to the east of the vein consists of meta-basalts and meta-"]
[139,16,"andesites with locally well developed pillows.  The host rock to"]
[139,17,"the west consists of meta-sediments which are not exposed. Several"]
[139,18,"other gossans, shears and quartz veins have been sampled on the"]
[139,19,"property with no notable results."]
[140,1,"Regional: The SAN property was located in the southeastern Slave"]
[140,2,"Province, near the center of a narrow, 70 km long, NNE trending"]
[140,3,"belt of Archean volcanic and sedimentary rocks belonging to the"]
[140,4,"Yellowknife Supergroup.  This belt, known as the Camsell Lake Belt,"]
[140,5,"forms the eastern limb of a synclinal fold cored by Archean biotite-"]
[140,6,"muscovite granites (GSC Map 738-A).  Showing Area: The area is"]
[140,7,"underlain by rhyolite, dacite, and slaty tuff of amphibolite facies."]
[140,8,"An EM survey was conducted in the spring of 1966 by Precambrian"]
[140,9,"Mining Services for Anglo United and Northgate Exploration.  Later"]
[140,10,"that summer the anomolies and pre-existing trenches were drilled."]
[140,11,"The zone of interest is approximately 1 km long and 20 m wide"]
[140,12,"(Northern Miner, Aug 25, 1966, p3)."]
[141,1,"Showing: Anomoly C-3 consists of a warped sulphide lens striking"]
[141,2,"ENE and dipping steeply to the north in dacite and slaty tuff.  The"]
[141,3,"very fine grained laminated sulphides include po and lesser sph,"]
[141,4,"with py. nodules and some cpy. The C3 zone drilling assayed up to 0."]
[141,5,"4%Cu and 2.4% Zn. Anomoly C-7 contains very fine grained po., with"]
[141,6,"coarse fracture fillings of po., in a rhyolite outcrop. The C7 zone"]
[141,7,"drilling assayed up to 1.0% Zn and 0.5% Cu. Anomoly C-6 is located"]
[141,8,"near the contact of an erregular north striking diorite dyke which"]
[141,9,"dips 55 degrees east. The mineralized zone contains po., cpy. and"]
[141,10,"pentlandite.  The C-6 drilling assayed up to 1.03% Ni. and 0.85% Cu."]
[141,11,null]
[142,1,"Regional: The LEN showing is situated within the Camsell Lake Belt"]
[142,2,"of volcanic and sedimentary rocks of the Archean Yellowknife"]
[142,3,"Supergoup of the Slave Province.  The 80 km long Camsell Lake Belt"]
[142,4,"is a north east extension of the larger Campsell River belt."]
[142,5,"Property: In 1947 Burgess-Yellowknife-Kirkland Mines Ltd. drilled 8"]
[142,6,"diamond drill holes on the property for a total of 2009 feet.  The"]
[142,7,"results were evidently disappointing and no further work was done."]
[142,8,"No assays are available.  In 1962 the property was re-staked bu A.V."]
[142,9,"Giauque and J.E. Sullivan who did geophysics and trenched the best"]
[142,10,"of the conductors.  Apparently visible gold was seen and one of the"]
[142,11,"trench samples graded .07 oz/ton Au.  Showing: Drill logs and"]
[142,12,"regional mapping show the host to be a sheared, locally feldspar"]
[142,13,"porphyritic, andesite with quartz veining and up to 1% pyrite,"]
[142,14,"pyrrhotite and chalcopyrite. A site visit by W.R.A. Baragar however"]
[142,15,"described a quartz vien in a quartz feldspar porphyry interlayered"]
[142,16,"with meta-basalts of the Yellowknife group(GSC paper 63-9).  The"]
[142,17,"sources did agree that the main showing consisted of a less than 1"]
[142,18,"foot wide quartz vein in a massive sheared porphyritic volcanic"]
[142,19,"extrusive. The showing was first drilled in 1947 but the assay"]
[142,20,"results were not included in the assessment report.  It may be"]
[142,21,"assumed that no sygnificant gold values were detected. Geophysics"]
[142,22,"and trenching on the showing in 1962 showed poor results however"]
[142,23,"one sample graded .07 oz/ton Au, and another had 0.6% copper and 0."]
[142,24,"3% nickel."]
[143,1,"Regional: The property is located near the center of a narrow 70 km"]
[143,2,"long NNE trending belt of Archean Yellowknife Supergroup, volcanic"]
[143,3,"and sedimentary rocks within the Slave Province.  The belt, known"]
[143,4,"as the Camsell Lake Belt forms the eastern limb of a synclinal fold"]
[143,5,"cored by Archean biotite-muscovite granites.(GSC map 738-A)"]
[143,6,"Property: The property lies on a contact between meta-volcanics to"]
[143,7,"the east, and meta-sediments to the west.  The volcanics on the"]
[143,8,"property include mafic to felsic volcanic cycles younging to the"]
[143,9,"west and including intervals of tuff, interflow sediments and"]
[143,10,"sulphidic exhalites and rhyolite domes.  Overlying the volcanics"]
[143,11,"are typical Yellowknife group amphibolite grade turbidites."]
[143,12,"Showing: This showing was discovered by Nebex resources in 1993."]
[143,13,"The Asp Zone is a set of frost heaves near an outcrop of finely"]
[143,14,"laminated mafic and felsic tuffs and wacke with minor somewhat"]
[143,15,"bleached mafic volcanics. A one metre band of massive amphibolite"]
[143,16,"with adjacent rusty shears crosses the centre of the outcrop.  The"]
[143,17,"actual gold bearing frost heaves about 40 metres SSW (along strike)"]
[143,18,"of the outcrop are of a felsic or siliceous rock with quartz"]
[143,19,"veining and up to 5% fine grained disseminated aspy. in  rusty"]
[143,20,"bands.  Local lithologies suggest that this could be the sulfide"]
[143,21,"facies of an iron formation."]
[144,1,"Regional: The property is located near the center of a narrow 70 km"]
[144,2,"long NNE trending belt of Archean Yellowknife Supergroup, volcanic"]
[144,3,"and sedimentary rocks within the Slave Province.  The belt, known"]
[144,4,"as the Camsell Lake Belt forms the eastern limb of a synclinal fold"]
[144,5,"cored by Archean biotite-muscovite granites.(GSC map 738-A)"]
[144,6,"Property: The property lies on a contact between meta-volcanics to"]
[144,7,"the east, and meta-sediments to the west.  The volcanics on the"]
[144,8,"property include mafic to felsic volcanic cycles younging to the"]
[144,9,"west and including intervals of tuff, interflow sediments and"]
[144,10,"sulphidic exhalites and rhyolite domes.  Overlying the volcanics"]
[144,11,"are typical Yellowknife group amphibolite grade turbidites."]
[144,12,"Showing: This polymetalic showing was discovered by Nebex Resources"]
[144,13,"in 1993. Prospecting located rusty, sulphidic boulders along a 500"]
[144,14,"m long trend roughly coinciding with the upper felsic/metasediment"]
[144,15,"contact near the southeast shore of Old Conoe Lake.  Sample 37711"]
[144,16,"(4.8 g/t gold) was taken from a boulder of probable felsic tuff"]
[144,17,"with quartz gal., sph., and cpy. Other samples of felsic float"]
[144,18,"contained py. and po. mineralization.  The area is covered with"]
[144,19,"glacial overburden. Of the 4 samples taken the highest metal assays"]
[144,20,"were 4880 ppb Au, 46 ppm Ag, 2.3% Pb, 1.17% Zn, and 0.122% Cu."]
[144,21,"Nebex took 6 more samples on the Canoe grid in 1994 with the"]
[144,22,"highest gold value being 110 ppb."]
[145,1,"Regional: The property is located near the center of a narrow 70 km"]
[145,2,"long NNE trending belt of Archean Yellowknife Supergroup, volcanic"]
[145,3,"and sedimentary rocks within the Slave Province.  The belt, known"]
[145,4,"as the Camsell Lake Belt forms the eastern limb of a synclinal fold"]
[145,5,"cored by Archean biotite-muscovite granites.(GSC map 738-A)"]
[145,6,"Property: The property lies on a contact between meta-volcanics to"]
[145,7,"the east, and meta-sediments to the west.  The volcanics on the"]
[145,8,"property include mafic to felsic volcanic cycles younging to the"]
[145,9,"west and including intervals of tuff, interflow sediments and"]
[145,10,"sulphidic exhalites and rhyolite domes.  Overlying the volcanics"]
[145,11,"are typical Yellowknife group amphibolite grade turbidites."]
[145,12,"Showing: This polymetalic showing was discovered by Nebex Resources"]
[145,13,"in 1993. The WK grid on the Brian 5 claim covers a package of north"]
[145,14,"striking mafic volcanic flows, mafic crystal tuff and interflow"]
[145,15,"sediments.  Central to this package is a 20 m wide zone of"]
[145,16,"intensely carbonitized mafic volcanics.  The altered zone contains"]
[145,17,"abundant quartz-calcite stringers and veins with local py., po. and"]
[145,18,"cpy.  The basalt hosted WK vein is exposed over 5 m, and up to 1 m"]
[145,19,"in thickness.  It consists of white quartz with traces of py., cpy."]
[145,20,"and up to 7.1 ppm silver.  Five copper assays between 0.25% and 0."]
[145,21,"8% ppm were obtained from the WK vein and a gossan, also in basalt"]
[145,22,"80, m SSW of the WK vein."]
[146,1,"Capsule"]
[146,2,"Geology"]
[147,1,"Showing is nothing more than the presence of chalcopyrite in a"]
[147,2,"gabbro sill, noted on a map.  The Canmindex record descibes it as"]
[147,3,"chalcopyrite grains and masses, but there is no indication of this"]
[147,4,"on the map."]
[148,1,"Showing is nothing more than the presence of chalcopyrite in a"]
[148,2,"gabbro sill, noted on a map.  The Canmindex record descibes it as"]
[148,3,"chalcopyrite grains and masses, but there is no indication of this"]
[148,4,"on the map."]
[149,1,"The Ellice River Area lies within the northeastern portion of the"]
[149,2,"Archean Slave Structural Province. The region is bordered by the"]
[149,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[149,4,"Structural Province to the east. The principal underlying"]
[149,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[149,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[149,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[149,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[149,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[149,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[149,11,"the older lithologies.  The Ellice River Area and nearby Boot Lake"]
[149,12,"Area (076GNE0010) are within the Back River region. The Yellowknife"]
[149,13,"Supergroup in the property area is divided informally into three"]
[149,14,"major sequences.  The Back Group is the lowest sequence and is"]
[149,15,"comprised of felsic to intermediate flows, tuffs and breccias. The"]
[149,16,"Hackett River Group overlies the Back and consists of  volcanic"]
[149,17,"flows that range from felsic to mafic, as well as tuffs and"]
[149,18,"chemical sediments. The uppermost sequence is the Beechey Lake"]
[149,19,"Group, comprising turbidite sediments, greywacke, mudstone and iron"]
[149,20,"formation. Recent mapping by the Geological Survey of Canada"]
[149,21,"suggests that the Hackett River and the Back volcanic belts, which"]
[149,22,"are generally spatially separate, may be coeval in their upper"]
[149,23,"parts (Williamson and Olson, 1990).  At least four periods of"]
[149,24,"deformation have affected the Yellowknife Supergroup. Metamorphic"]
[149,25,"grade in the Back River Region ranges from sub-greenschist to upper"]
[149,26,"amphibolite facies.  Three periods of iron formation deposition"]
[149,27,"have been identified within the Back and Beechey Lake Groups"]
[149,28,"(Chandler et al, 1992). In the property area, iron formations are"]
[149,29,"believed to be equivalent stratigraphically to the uppermost iron"]
[149,30,"formations in the Beechey Lake Group."]
[150,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[150,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[150,3,"interbedded with iron formation and are steeply dipping. The iron"]
[150,4,"formation consists mainly of magnetite and chert and is of the"]
[150,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[150,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[150,7,"greywackes have been intruded by sill like bodies of Archean"]
[150,8,"felsite. Throughout the Ellice River area, numerous Helikian"]
[150,9,"Mackenzie Diabase gabbroic dykes strike northwesterly and intrude"]
[150,10,"the Archean rocks. The Beechey Lake sediments to the west have been"]
[150,11,"intruded by biotite-muscovite sills.   The sedimentary rocks and"]
[150,12,"the iron formations of the Beechey Lake Group as well as the gabbro"]
[150,13,"dykes have been cut by numerous north-northwesterly trending minor"]
[150,14,"faults. Along these faults, left lateral or right lateral"]
[150,15,"displacement ranges from 0.1 to 5.0 m.  The Beachey Lake Group"]
[150,16,"sedimentary rocks within the Ellice-Rooster-Boot Property have been"]
[150,17,"deformed into a broad Z shape extending from Scorpion Lake"]
[150,18,"(approximately 5 km to the SW)to Hammer Lake (approximately 11.5 km"]
[150,19,"to the SE). The Boot Lake granitic stock (located south of Boot"]
[150,20,"Lake approximately 7.5 km SSW), intrudes this stratigraphy but is"]
[150,21,"not believed to be responsible for the folding. The Z structure may"]
[150,22,"be the result of two regional scale fold systems (Chandler et al,"]
[150,23,"1992).  Mantling the Ellice River area, especially in the southern"]
[150,24,"and western parts, is a blanket of Quaternary glacial material."]
[151,1,"The Ellice River Showing has two grids located on it. Map 1605.I-3"]
[151,2,"from assessment report 083053 is an excellent location map of the"]
[151,3,"area. The centre of the Ellice Creek grid is approximately  7.5 km"]
[151,4,"NNE from the Boot Lake camp. The Eagle grid centre is approximately"]
[151,5,"700 m SW of the Ellice grid and is an extension of same.  The"]
[151,6,"Ellice River oxide iron formations occur in a NNW trending belt"]
[151,7,"that is approximately 4.5 km long and 1.3 km wide. Silicate iron"]
[151,8,"formations two kilometers to the southwest occur in a subparallel"]
[151,9,"trending belt 3.8 km long and 0.9 km wide. The Ellice River Archean"]
[151,10,"rocks are overlain uncomformably by the Aphebian Goulburn Group"]
[151,11,"sedimentary rocks and the Bathurst Fault System terminates it to"]
[151,12,"the east (Williamson and Olson, 1990).   The Ellice River iron"]
[151,13,"formations are interbedded with greywacke, mudstone and quartzite."]
[151,14,"Johnston et al (1985) describes two types of sulphidic zones found"]
[151,15,"within the Ellice River area iron formations. Toward the southeast,"]
[151,16,"pyrite, pyrrhotite +/- arsenopyrite make up 10% volume of the rock."]
[151,17,"Toward the NW end of the iron formation, the sulphidic zones"]
[151,18,"contain one or more of the following: pyrite, chalcopyrite,"]
[151,19,"pyrrhotite, native copper, galena, malachite and azurite. The"]
[151,20,"sulphide and carbonate minerals are usually concentrated in"]
[151,21,"fractures within the iron formation in isolated occurances.  As of"]
[151,22,"1992, the best assay result for the Ellice River grid is 57.63 g/t"]
[151,23,"Au from a sample of oxide iron formation from a rubbly outcrop in"]
[151,24,"the vicinity of a fold nose.  A cobble of oxide iron formation with"]
[151,25,"10-15% pyrite assayed at 45.36 g/t Au but was not traced along"]
[151,26,"strike due to heavy overburden cover."]
[152,1,"The Eagle Grid lies within the southwest corner of the Ellice River"]
[152,2,"Showing.  The Eagle gold occurrance on this grid (Williamson and"]
[152,3,"Olson, 1990) is hosted in a sequence of interbedded oxide and"]
[152,4,"silicate iron formations which are associated with continuous"]
[152,5,"moderate positive ground magnetic anomalies up to 30 m wide. The"]
[152,6,"anomally indicates an extention of the Eagle iron formation of 450"]
[152,7,"m. Good quality VLF-EM anomalies are coincident with the western"]
[152,8,"edge contact of the iron formations hosting the Eagle occurance. A"]
[152,9,"ground VLF-EM conductor with poor quality VLF-EM anomalies is"]
[152,10,"coincident with the north northwest striking positive magnetic"]
[152,11,"anomaly of the Eagle formation.  Less than 10% of the area within"]
[152,12,"the Eagle grid are outcroppings of Beechey Lake Group sedimentary"]
[152,13,"sequences of greywacke, siliceous greywacke and mudstone with"]
[152,14,"silicate and oxide iron formations and intrusive Helikian gabbroic"]
[152,15,"dykes. Where exposed, the Eagle oxide iron formation is"]
[152,16,"approximately 10 m wide and occurs within a 30 m wide sequence of"]
[152,17,"interbedded oxide iron formation, silicate iron formation and"]
[152,18,"greywacke. East of the Eagle occurance, silicate iron formations"]
[152,19,"ranging in widths less than 0.5 m to 2.0 m are interbedded with"]
[152,20,"greywacke. The gabbro dykes trend northwesterly through the grid"]
[152,21,"and range from 0.1 m to 25 m wide.  The predominant sulphides of"]
[152,22,"the oxide or silicate iron formations of the Eagle grid are pyrite"]
[152,23,"and pyrrhotite. Sulphidic zones within the iron formations contain"]
[152,24,"one or more of pyrite, pyrrhotite and arsenopyrite. The pyrite"]
[152,25,"occurs locally as disseminated crystals, and as massive aggregates"]
[152,26,"in vuggy vein quartz. Amphibole and chlorite rich silicate iron"]
[152,27,"formation contains up to 1 volume per cent of the rock of fine"]
[152,28,"disseminated pyrrhotite. Arsenopyrite occurs with pyrite,"]
[152,29,"pyrrhotite or both in oxide iron formation that contains up to 50"]
[152,30,"volume per cent vein quartz (Williamson and Olson, 1990)."]
[153,1,"Rock grab samples and chip samples taken in 1986 from the main"]
[153,2,"sulphidic zones at Eagle occurrence assayed up to 177.43 g/t  Au"]
[153,3,"and 5.52 g/t  Au across 1.0 m respectively. Follow up work in 1990"]
[153,4,"consisted of rock and composite grab samples collected to the"]
[153,5,"northwest and yielded assays up to 2.57 g/t  Au and 0.14 g/t  Au"]
[153,6,"across 0.3 m respectively (Williamson and Olson, 1990). In 1993 one"]
[153,7,"drill hole intersected 22 m of oxide iron formation at the Eagle"]
[153,8,"occurance. The most significant assay obtained was 1.75 g /t   Au"]
[153,9,"over 1.24 m core from an interval of quartz +/- carbonate with"]
[153,10,"pyrite,and trace amounts arsenopyrite and pyrrhotite."]
[154,1,"The Trout Lake Showing lies within the northeastern portion of the"]
[154,2,"Archean (>2.5 Ga) Slave Structural Province. The region is bordered"]
[154,3,"by the Aphebian age Bear Structural Province to the west, and the"]
[154,4,"Rae Structural Province to the east. The principal underlying"]
[154,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[154,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[154,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[154,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[154,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[154,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[154,11,"the older lithologies.  The Trout Lake Showing and nearby Boot Lake"]
[154,12,"Showing (NORMIN ID# 076GNE0010) are within the Back River region."]
[154,13,"The Yellowknife Supergroup in the property area is divided"]
[154,14,"informally into three major sequences.  The Back Group is the"]
[154,15,"lowest sequence and is comprised of felsic to intermediate flows,"]
[154,16,"tuffs and breccias. The Hackett River Group overlies the Back and"]
[154,17,"consists of  volcanic flows that range from felsic to mafic, as"]
[154,18,"well as tuffs and chemical sediments. The uppermost sequence is the"]
[154,19,"Beechey Lake Group, comprising turbidite sediments, greywacke,"]
[154,20,"mudstone and iron formation. Recent mapping by the Geological"]
[154,21,"Survey of Canada suggests that the Hackett River and the Back"]
[154,22,"volcanic belts, which are generally spatially separate, may be"]
[154,23,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[154,24,"four periods of deformation have affected the Yellowknife"]
[154,25,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[154,26,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[154,27,"formation deposition have been identified within the Back and"]
[154,28,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[154,29,"iron formations are believed to be equivalent stratigraphically to"]
[154,30,"the uppermost iron formations in the Beechey Lake Group."]
[155,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[155,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[155,3,"interbedded with iron formation and are steeply dipping. The iron"]
[155,4,"formation consists mainly of magnetite and chert and is of the"]
[155,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[155,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[155,7,"greywackes have been intruded by sill like bodies of Archean"]
[155,8,"felsite. Throughout the area, numerous Helikian Mackenzie Diabase"]
[155,9,"gabbroic dykes strike northwesterly and intrude the Archean rocks."]
[155,10,"The Beechey Lake sediments to the west have been intruded by"]
[155,11,"biotite-muscovite sills.   The sedimentary rocks and the iron"]
[155,12,"formations of the Beechey Lake Group as well as the gabbro dykes"]
[155,13,"have been cut by numerous north-northwesterly trending minor faults."]
[155,14,"Along these faults, left lateral or right lateral displacement"]
[155,15,"ranges from 0.1 to 5.0 m.  The Beechey Lake group sedimentary rocks"]
[155,16,"(including the oxide iron formations) within the Boot-Rooster-Ellis"]
[155,17,"property have been deformed into a broad Z shape the extends from"]
[155,18,"Scorpion Lake to Hammer Lake. Chandler et al (1992) postulate that"]
[155,19,"the Trout Lake iron formation joins the iron formation at Scorpion"]
[155,20,"Lake North. The Boot Lake granitic stock intrudes this stratigraphy"]
[155,21,"but Williamson 1991, believes that two regional scale fold systems"]
[155,22,"may be responsible for the structure (Chandler et al, 1992)."]
[156,1,"Map 1-P92.001 from assessment report 083153 is an excellent map of"]
[156,2,"the locations of the various showings within the Ellice-Rooster-"]
[156,3,"Boot Lake Area.  The Trout Lake iron formation strikes north to"]
[156,4,"northeast from the northern end of Tea Pond. It is bound by a"]
[156,5,"sequence of greywacke/mudstone to the east and to the west the area"]
[156,6,"is swamp and overburden. Proterozoic outliers of the Goulburn Group"]
[156,7,"outcrop approximately 800 meters north of Tea Pond.  The"]
[156,8,"predominant sulphides of the oxide or silicate iron formations of"]
[156,9,"Trout Lake are pyrite and arsenopyrite.  Oxide iron formation with"]
[156,10,"intense quartz  veins, chlorite, up to 20% pyrite and 0.5 - 2%"]
[156,11,"arsenopyrite was traced over a 150 meter strike length."]
[156,12,"Arsenopyrite occurs as subhedral to euhedral rhombs, often in a"]
[156,13,"black, highly siliceous cherty material.  Chandler et al 1992."]
[156,14,"Grab samples from oxide iron formation (1992) include gold values"]
[156,15,"of 30.45 g/t, 26.67 g/t, 18.51 g/t, 16.63 g/t and 15.09 g/t. Grab"]
[156,16,"samples from 1991 yeilded gold values of 8.88 g/t, 12.51 g/t and 7."]
[156,17,"61 g/t.  The silicate iron formation is dark green and amphibole"]
[156,18,"rich and has numerous quartz veins and trace to 2% pyrite. Values"]
[156,19,"of 9.98, 6.41 and 7.95 g/t Au were returned from 3 samples. The"]
[156,20,"banding/bedding has a steep dip to the east (80-85 degrees).  No"]
[156,21,"iron formation was traced south of Tea Pond as this area is heavily"]
[156,22,"covered by swamp and overburden."]
[157,1,"The Scorpion Lake North Area lies within the northeastern portion"]
[157,2,"of the Archean Slave Structural Province. The region is bordered by"]
[157,3,"the Aphebian age Bear Structural Province to the west, and the Rae"]
[157,4,"Structural Province to the east. The principal underlying"]
[157,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[157,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[157,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[157,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[157,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[157,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[157,11,"the older lithologies.  The Scorpion Lake North Area and nearby"]
[157,12,"Boot Lake Area (DB ID# 076GNE0010) are within the Back River region."]
[157,13,"The Yellowknife Supergroup in the property area is divided"]
[157,14,"informally into three major sequences.  The Back Group is the"]
[157,15,"lowest sequence and is comprised of felsic to intermediate flows,"]
[157,16,"tuffs and breccias. The Hackett River Group overlies the Back and"]
[157,17,"consists of  volcanic flows that range from felsic to mafic, as"]
[157,18,"well as tuffs and chemical sediments. The uppermost sequence is the"]
[157,19,"Beechey Lake Group, comprising turbidite sediments, greywacke,"]
[157,20,"mudstone and iron formation. Recent mapping by the Geological"]
[157,21,"Survey of Canada suggests that the Hackett River and the Back"]
[157,22,"volcanic belts, which are generally spatially separate, may be"]
[157,23,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[157,24,"four periods of deformation have affected the Yellowknife"]
[157,25,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[157,26,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[157,27,"formation deposition have been identified within the Back and"]
[157,28,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[157,29,"iron formations are believed to be equivalent stratigraphically to"]
[157,30,"the uppermost iron formations in the Beechey Lake Group."]
[158,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[158,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[158,3,"interbedded with iron formation and are steeply dipping. The iron"]
[158,4,"formation consists mainly of magnetite and chert and is of the"]
[158,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[158,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[158,7,"greywackes have been intruded by sill like bodies of Archean"]
[158,8,"felsite. Throughout the area, numerous Helikian Mackenzie Diabase"]
[158,9,"gabbroic dykes strike northwesterly and intrude the Archean rocks."]
[158,10,"The Beechey Lake sediments to the west have been intruded by"]
[158,11,"biotite-muscovite sills.   The sedimentary rocks and the iron"]
[158,12,"formations of the Beechey Lake Group as well as the gabbro dykes"]
[158,13,"have been cut by numerous north-northwesterly trending minor faults."]
[158,14,"Along these faults, left lateral or right lateral displacement"]
[158,15,"ranges from 0.1 to 5.0 m.  The Beechey Lake Group sedimentary rocks"]
[158,16,"within the Ellice-Rooster-Boot Property have been deformed into a"]
[158,17,"broad Z shape extending from Scorpion Lake (on the western shore)"]
[158,18,"to Hammer Lake (approximately 12.5 km to the SE). The Boot Lake"]
[158,19,"granitic stock (located south of Boot Lake approximately 5 km SSE),"]
[158,20,"intrudes this stratigraphy but is not believed to be responsible"]
[158,21,"for the folding. The Z structure may be the result of two regional"]
[158,22,"scale fold systems (Chandler et al, 1992)."]
[159,1,"Map 1-P92.001 from assessment report 083153 is an excellent map of"]
[159,2,"the locations of the various showings within the Ellice-Rooster-"]
[159,3,"Boot Lake Area.  The Scorpion Lake North occurance is in oxide and"]
[159,4,"silicate iron formation on the southwest shore of Scorpion Lake"]
[159,5,"that has been silicified and locally sheared. Southeast of Scorpion"]
[159,6,"Lake the sulphidic zone can be traced continuously for"]
[159,7,"approximately 110 m in outcrop and feldsenmeer before being covered"]
[159,8,"by overburden. To the northwest, the sulphidic zone is traced"]
[159,9,"discontinuously for about 1 km.  The predominant sulphides of the"]
[159,10,"oxide or silicate iron formations of Scorpion Lake North are pyrite"]
[159,11,"and arsenopyrite. Locally, pyrite and arsenopyrite have a combined"]
[159,12,"volume up to 20% and are disseminated in the siliceous iron"]
[159,13,"formation or are associated with alteration haloes adjacent to"]
[159,14,"quartz veins.  In 1989 rock samples collected from the main"]
[159,15,"sulphidic zone in the most western iron formation assayed up to 22."]
[159,16,"49 g Au/tonne. In 1990 rock and chip samples from the main"]
[159,17,"sulphidic zone assayed up to 5.07 g Au/t and 0.72 g Au/t across 1.2"]
[159,18,"m respectively. From the easternmost iron formation, a rock sample"]
[159,19,"assayed at 12.17 g Au/t.  In 1991 two holes were diamond drilled"]
[159,20,"(one abandoned due to drilling problems). Two gold bearing"]
[159,21,"sulphidic zones were noted in the drill core. In hole 1T015 assays"]
[159,22,"of 1.87 g Au/t over 5.18 m core length and 2.26 g Au/t across 1.95"]
[159,23,"m core length. In hole 1T015A  an assay of 3.09 g Au/t over 2.76 m"]
[159,24,"core length was recovered."]
[160,1,"The Scorpion Lake Area lies within the northeastern portion of the"]
[160,2,"Archean Slave Structural Province. The region is bordered by the"]
[160,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[160,4,"Structural Province to the east. The principal underlying"]
[160,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[160,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[160,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[160,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[160,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[160,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[160,11,"the older lithologies.  The Scorpion Lake Area and nearby Boot Lake"]
[160,12,"Area (ID# 076GNE0010) are within the Back River region. The"]
[160,13,"Yellowknife Supergroup in the property area is divided informally"]
[160,14,"into three major sequences.  The Back Group is the lowest sequence"]
[160,15,"and is comprised of felsic to intermediate flows, tuffs and"]
[160,16,"breccias. The Hackett River Group overlies the Back and consists of"]
[160,17,"volcanic flows that range from felsic to mafic, as well as tuffs"]
[160,18,"and chemical sediments. The uppermost sequence is the Beechey Lake"]
[160,19,"Group, comprising turbidite sediments, greywacke, mudstone and iron"]
[160,20,"formation. Recent mapping by the Geological Survey of Canada"]
[160,21,"suggests that the Hackett River and the Back volcanic belts, which"]
[160,22,"are generally spatially separate, may be coeval in their upper"]
[160,23,"parts (Williamson and Olson, 1990).  At least four periods of"]
[160,24,"deformation have affected the Yellowknife Supergroup. Metamorphic"]
[160,25,"grade in the Back River Region ranges from sub-greenschist to upper"]
[160,26,"amphibolite facies.  Three periods of iron formation deposition"]
[160,27,"have been identified within the Back and Beechey Lake Groups"]
[160,28,"(Chandler et al, 1992). In the property area, iron formations are"]
[160,29,"believed to be equivalent stratigraphically to the uppermost iron"]
[160,30,"formations in the Beechey Lake Group."]
[161,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[161,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[161,3,"interbedded with iron formation and are steeply dipping. The iron"]
[161,4,"formation consists mainly of magnetite and chert and is of the"]
[161,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[161,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[161,7,"greywackes have been intruded by sill like bodies of Archean"]
[161,8,"felsite. Throughout the area, numerous Helikian Mackenzie Diabase"]
[161,9,"gabbroic dykes strike northwesterly and intrude the Archean rocks."]
[161,10,"The Beechey Lake sediments to the west have been intruded by"]
[161,11,"biotite-muscovite sills.   The sedimentary rocks and the iron"]
[161,12,"formations of the Beechey Lake Group as well as the gabbro dykes"]
[161,13,"have been cut by numerous north-northwesterly trending minor faults."]
[161,14,"Along these faults, left lateral or right lateral displacement"]
[161,15,"ranges from 0.1 to 5.0 m.  Map 1-P92.001 from assessment report"]
[161,16,"083153 is an excellent map of the locations of the various showings"]
[161,17,"within the Ellice-Rooster-Boot Lake Area."]
[162,1,"Scorpion Lake oxide and silicate iron formations are found within a"]
[162,2,"sequence of interbedded greywacke, mudstone and siliceous greywacke"]
[162,3,"to  impure quartzite. Locally, sulphides are spaially associated"]
[162,4,"with quartz veins, but the highest concentration of sulphides are"]
[162,5,"in zones in felsenmeer along the eastern and western margins of"]
[162,6,"outcrop. Based on geophysical data, Dufresne & Johnston (1987),"]
[162,7,"interpret that the Scorpion Lake iron formation is a continuation"]
[162,8,"of the iron formations within the west end of Boot Lake North.  The"]
[162,9,"iron formation is 12 to 14 m wide, is well banded and consists of"]
[162,10,"magnetite, chert, amphibole and minor chlorite.  Sulphides"]
[162,11,"associated with the Scorpion Lake iron formation, both the silicate"]
[162,12,"and the oxide, are spatially associated with siliceous zones or"]
[162,13,"quartz veins. Arsenopyrite is the most common sulphide and occurs"]
[162,14,"as medium to coarse grained disseminated euhedral crystals. Pyrite"]
[162,15,"and pyrrhotite occur as irregular patches or layers and as"]
[162,16,"disseminated fine to coarse grained crystals.  Exploration on the"]
[162,17,"Scorpion Lake Showing has included reconnaissance and grid mapping,"]
[162,18,"airborne and ground geophysical surveys, geochemical sampling and"]
[162,19,"drilling.  In 1991 and 1992, the Scorpion Lake iron formation was"]
[162,20,"drilled showing that gold bearing zones occur along the west and"]
[162,21,"east margins of the iron formation. DDH 92T024 intersected two"]
[162,22,"zones that assayed at 6.79 g Au/t over 1.07 m and 7.70 g Au/t"]
[162,23,"across 2.9 m respectively. Hole 92T025 tested the southern"]
[162,24,"extension and recieved assays of 2.41 g Au/t across 2.02 m and 6.55"]
[162,25,"g Au/t over 1.26 m.  Drill results show lateral and downdip"]
[162,26,"continuity to the mineralization."]
[163,1,"The Boot Lake Area lies within the northeastern portion of the"]
[163,2,"Archean Slave Structural Province. The region is bordered by the"]
[163,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[163,4,"Structural Province to the east. The principal underlying"]
[163,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[163,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[163,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[163,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[163,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[163,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[163,11,"the older lithologies.  The Boot Lake Area is within the Back River"]
[163,12,"region. The Yellowknife Supergroup in the property area is divided"]
[163,13,"informally into three major sequences.  The Back Group is the"]
[163,14,"lowest sequence and is comprised of felsic to intermediate flows,"]
[163,15,"tuffs and breccias. The Hackett River Group overlies the Back and"]
[163,16,"consists of  volcanic flows that range from felsic to mafic, as"]
[163,17,"well as tuffs and chemical sediments. The uppermost sequence is the"]
[163,18,"Beechey Lake Group, comprising turbidite sediments, greywacke,"]
[163,19,"mudstone and iron formation. Recent mapping by the Geological"]
[163,20,"Survey of Canada suggests that the Hackett River and the Back"]
[163,21,"volcanic belts, which are generally spatially separate, may be"]
[163,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[163,23,"four periods of deformation have affected the Yellowknife"]
[163,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[163,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[163,26,"formation deposition have been identified within the Back and"]
[163,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[163,28,"iron formations are believed to be equivalent stratigraphically to"]
[163,29,"the uppermost iron formations in the Beechey Lake Group."]
[164,1,"The Beechey Lake Group in the Back River Region are isoclinally"]
[164,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[164,3,"interbedded with iron formation and are steeply dipping. The iron"]
[164,4,"formation consists mainly of magnetite and chert and are of the"]
[164,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[164,6,"also present (Williamson and Olson, 1990)  The Beechey Lake group"]
[164,7,"sedimentary rocks (including the oxide iron formations) within the"]
[164,8,"Boot-Rooster-Ellice property have been deformed into a broad Z"]
[164,9,"shape the extends from Scorpion Lake (approximately 3.4 km NW) to"]
[164,10,"Hammer Lake (approximately 9 km to the SE).  The Boot Lake granitic"]
[164,11,"stock intrudes this stratigraphy but Williamson 1991, believes that"]
[164,12,"two regional scale fold systems may be responsible for the"]
[164,13,"structure (Chandler et al, 1992).  Boot Lake oxide and silicate"]
[164,14,"iron formations are found within a sequence of interbedded"]
[164,15,"greywacke, mudstone and siliceous greywacke to  impure quartzite."]
[164,16,"Sulphides are spacially associated with quartz veins, Pyrite is the"]
[164,17,"most common sulphide, followed by arsenopyrite and locally"]
[164,18,"pyrrhotite.   Map 1-P92.001 from assessment report 083153 is an"]
[164,19,"excellent map of the locations of the various showings within the"]
[164,20,"Boot Lake Area."]
[165,1,"The Showing area is comprised of several gold occurrences. The"]
[165,2,"central location of the major occurrences (ie extensively sampled"]
[165,3,"or drilled) is as follows. The location is the approximate distance"]
[165,4,"from the Boot Lake Camp (located on the north shore of Boot Lake)."]
[165,5,"Chick Pond 2.7 km NW; Ayers 2.2 km NW; Aiomon 1.5 km NW; Aiomon"]
[165,6,"West/Poison Pond 1.9 km NW;  Boot 1.1 km NW and Grizzly 2.15 km to"]
[165,7,"the NW of Boot Lake Camp.  The Boot Lake Showing area has been"]
[165,8,"extensively mapped, prospected, sampled (both rock and till),"]
[165,9,"diamond drilled and has had ground and airborne geophysical surveys"]
[165,10,"completed on it.  Some highlights of diamond drilling and sampling"]
[165,11,"results from 1991 & 1992 are as follows:  Ayers:  One chip sample"]
[165,12,"assayed at 17.76 g/t Au, three felsenmeer samples assayed 2.64, 4."]
[165,13,"80 and 5.69 g/t Au (1992). Drilling: In 1991, 8 holes were drilled"]
[165,14,"totalling 1076.25 m. In 1992, 706.22 m were drilled in 5 holes."]
[165,15,"Highlighted drill results include: 7.27* (8.64) g/t Au over 12.55 m"]
[165,16,"core length; 11.98* (14.10) g/t Au over 5.85 m and 9.34* (11.61) g/"]
[165,17,"t Au over 7.61 m.              Aiomon: One hole was drilled for a"]
[165,18,"total of 50.90 m in 1991. The best gold value was 1.29 g/t over 0."]
[165,19,"93 m.  Aiomon West/Poison Pond: Four holes were drilled in 1992 for"]
[165,20,"a total of 245.05 m 11.57 g/t Au across 1.66 m (true width) and 2."]
[165,21,"35 g/t Au over 1.55 m (true width).  Grizzly: In 1991 4 holes were"]
[165,22,"drilled for a total of 215.80 m, the best result was 3.29 g/t Au"]
[165,23,"over 1.67 m    *Assay sample cut to 34.268 grams gold per tonne; ("]
[165,24,")=Uncut assay results; Meterage is uncorrected width unless stated."]
[166,1,"The Winter Showing lies within the northeastern portion of the"]
[166,2,"Archean Slave Structural Province. The region is bordered by the"]
[166,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[166,4,"Structural Province to the east. The principal underlying"]
[166,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[166,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[166,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[166,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[166,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[166,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[166,11,"the older lithologies.  The Winter-Boot Lake Area is within the"]
[166,12,"Back River region. The Yellowknife Supergroup in the property area"]
[166,13,"is divided informally into three major sequences.  The Back Group"]
[166,14,"is the lowest sequence and is comprised of felsic to intermediate"]
[166,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[166,16,"Back and consists of  volcanic flows that range from felsic to"]
[166,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[166,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[166,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[166,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[166,21,"Back volcanic belts, which are generally spatially separate, may be"]
[166,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[166,23,"four periods of deformation have affected the Yellowknife"]
[166,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[166,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[166,26,"formation deposition have been identified within the Back and"]
[166,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[166,28,"iron formations are believed to be equivalent stratigraphically to"]
[166,29,"the uppermost iron formations in the Beechey Lake Group."]
[167,1,"The Beechey Lake Group in the Back River Region are isoclinally"]
[167,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[167,3,"interbedded with iron formation and are steeply dipping. The iron"]
[167,4,"formation consists mainly of magnetite and chert and are of the"]
[167,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[167,6,"also present (Williamson and Olson, 1990)  The Beechey Lake group"]
[167,7,"sedimentary rocks (including the oxide iron formations) within the"]
[167,8,"Boot-Rooster-Ellice property have been deformed into a broad Z"]
[167,9,"shape the extends from Scorpion Lake (approximately 8 km SE of the"]
[167,10,"Winter area) to Hammer Lake (approximately 6 km to the E).  The"]
[167,11,"Boot Lake granitic stock (approximately 400 m W) intrudes this"]
[167,12,"stratigraphy but Williamson 1991, believes that two regional scale"]
[167,13,"fold systems may be responsible for the structure (Chandler et al,"]
[167,14,"1992).  Map 1-P92.001 from assessment report 083153 is an excellent"]
[167,15,"map of the locations of the various showings within the Boot Lake"]
[167,16,"Area."]
[168,1,"The Winter Showing area iron formations occur in three spatially"]
[168,2,"separate arcuate belts. North of Puppet lake, the easternmost belt"]
[168,3,"is 130 m wide. Within this belt, there are 3 separate beds of oxide"]
[168,4,"iron formation 15-20 m wide and tracable for 700 m along strike."]
[168,5,"Coexisting are numerous thinner oxide and silicate iron formations."]
[168,6,"North of Turtle Lake, the central belt can be traced 950 m along"]
[168,7,"strike and is up to 100 m wide. The western belt near Winter and"]
[168,8,"Caro Lakes has small interbeds of mudstone and greywacke and is 15"]
[168,9,"to 20 m wide but poorly exposed.  In 1991 twenty grab samples were"]
[168,10,"collected and assays ranged from less than 0.7 g Au/t to 13.27 g Au/"]
[168,11,"t.  Thin cherty iron formations host the Spinster gold occurance"]
[168,12,"within the westernmost belt of the oxide iron formation. The iron"]
[168,13,"formation is covered by Winter Lake in the southeast but can be"]
[168,14,"traced for 100 m to the northwest. At  this occurance, pyrite is"]
[168,15,"found up to 10 volume percent. Two assays returned gold values of 4."]
[168,16,"18 g/t and 13.27 g/t. North of Puppet Lake another grab sample of"]
[168,17,"pyrite and arsenopyrite bearing iron formation yielded a value of 1."]
[168,18,"85 g/t Au.  At Grass Pond, (gold occurance 4DHZ001), grab samples"]
[168,19,"from sulphide bearing amphibole chlorite iron formation assayed"]
[168,20,"from 0.1 g/t Au to 4.79 g/t Au. Detailed chip samples within the"]
[168,21,"iron formation had gold values up to 4.95 g/t Au across 2 m. North"]
[168,22,"of Puppet Lake another grab sample of pyrite and arsenopyrite"]
[168,23,"bearing iron formation yielded a gold value of 1.85 g/t."]
[168,24,null]
[169,1,"The Rooster-Hammer Showing lies within the northeastern portion of"]
[169,2,"the Archean Slave Structural Province. The region is bordered by"]
[169,3,"the Aphebian age Bear Structural Province to the west, and the Rae"]
[169,4,"Structural Province to the east. The principal underlying"]
[169,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[169,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[169,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[169,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[169,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[169,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[169,11,"the older lithologies.  The Rooster-Hammer Lake area is within the"]
[169,12,"Back River region. The Yellowknife Supergroup in the property area"]
[169,13,"is divided informally into three major sequences.  The Back Group"]
[169,14,"is the lowest sequence and is comprised of felsic to intermediate"]
[169,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[169,16,"Back and consists of  volcanic flows that range from felsic to"]
[169,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[169,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[169,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[169,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[169,21,"Back volcanic belts, which are generally spatially separate, may be"]
[169,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[169,23,"four periods of deformation have affected the Yellowknife"]
[169,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[169,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[169,26,"formation deposition have been identified within the Back and"]
[169,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[169,28,"iron formations are believed to be equivalent stratigraphically to"]
[169,29,"the uppermost iron formations in the Beechey Lake Group."]
[170,1,"The Beechey Lake Group in the Back River Region are isoclinally"]
[170,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[170,3,"interbedded with iron formation and are steeply dipping. The iron"]
[170,4,"formation consists mainly of magnetite and chert and are of the"]
[170,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[170,6,"also present (Williamson and Olson, 1990)  The Beechey Lake group"]
[170,7,"sedimentary rocks (including the oxide iron formations) within the"]
[170,8,"Boot-Rooster-Ellice property have been deformed into a broad Z"]
[170,9,"shape the extends from Scorpion Lake (~11.5 km SE of the Rooster-"]
[170,10,"Hammer area) to Hammer Lake. The Boot Lake granitic stock (~6.8 km"]
[170,11,"W) intrudes this stratigraphy but Williamson 1991, believes that"]
[170,12,"two regional scale fold systems may be responsible for the"]
[170,13,"structure (Chandler et al, 1992).  Map 1-P92.001 from assessment"]
[170,14,"report 083153 is an excellent map of the locations of the various"]
[170,15,"showings within the Boot-Rooster-Ellice Area."]
[171,1,"The Rooster-Hammer Area is a composite of 5 occurences. These"]
[171,2,"include Rooster Lake, Hammer Lake, Fox Pond, Falcon Creek and"]
[171,3,"Falcon Creek North. Map #1605.I-3  from Assessment Report 083053"]
[171,4,"shows the location and relationship of these occurences. Most of"]
[171,5,"the Rooster-Hammer area oxide and silicate iron formations are"]
[171,6,"poorly exposed as there is up to 95% glacial cover. This area has"]
[171,7,"been subject to sampling, mapping, ground and airborne geophysics,"]
[171,8,"trenching and diamond drilling.   The Hammer grid is 800 m east"]
[171,9,"northeast of Rooster Lake. This is a poorly exposed east trending,"]
[171,10,"south dipping 30-50 m wide oxide iron formation with interbedded"]
[171,11,"greywacke, mudstone and felsic dykes. At least 3 north trending"]
[171,12,"gabbroic dykes cut this sequence. The sulphidic zone is traceable"]
[171,13,"along the north edge of the iron formation with up to 10% pyrite,"]
[171,14,"5% arsenopyrite and trace pyrrhotite. Sulphides are spatially"]
[171,15,"associated with obliquely crosscutting quartz veins up to 0.3 m"]
[171,16,"wide or in siliceous iron formation. In 1987 an arsenopyrite and"]
[171,17,"pyrite bearing oxide iron formation contained visible gold. In 1991"]
[171,18,"three drill holes intersected gold bearing zones. The best result"]
[171,19,"at Hammer was in hole 1T009 which had two gold bearing"]
[171,20,"intersections in oxide iron formation. The assays of the north zone"]
[171,21,"were 7.28 g/t Au across 5.35 m core, the south zone assayed at 7.54"]
[171,22,"g Au/t across 5.61 m core."]
[172,1,"Falcon Creek North has a glacial cover of 95%. Generally the"]
[172,2,"sediments and iron formation are easterly striking but two"]
[172,3,"exceptions indicate that there is a south plunging synform. In 1991"]
[172,4,"one grab sample from a pyritic silicate iron formation boulder"]
[172,5,"assayed at 0.69 g/t Au.  Fox Pond oxide iron formations occur as"]
[172,6,"isolated outcrops with 95% glacial cover. The oxide iron formation"]
[172,7,"is within a sequence of quartzite and greywacke +/- mudstone that"]
[172,8,"is is folded into tight or isoclinal folds that plunge to the south"]
[172,9,"southwest. Pyrite is the most common sulphide with arsenopyrite and"]
[172,10,"pyrrhotite in trace amounts. When sulphides are present they make"]
[172,11,"up to 1% volume of the rock. Dark quartz veins from 1 to 20 cm in"]
[172,12,"width are present in the oxide iron formation. From 1986 sampling a"]
[172,13,"composite grab sample gave an assay of 0.58 g/t Au across 0.3 m and"]
[172,14,"a grab sample of 0.79 g/t Au.  The Rooster Lake easterly trending"]
[172,15,"oxide and silicate iron formations occur in two (locally three)"]
[172,16,"discrete beds and are cut by northwesternly trending gabbroic dykes."]
[172,17,"Greywacke and mudstone are interbedded with the oxide iron"]
[172,18,"formation that range from 0.5 to 35 m in thickness and locally host"]
[172,19,"zones of amphibole and chlorite. These zones are spatially"]
[172,20,"associated with quartz veins and contain pyrite, arsenopyrite,"]
[172,21,"pyrrhotite and gold. From 1985 the best results of diamond drilling"]
[172,22,"were 4.91 g/t Au over a core length of 8.02 m, 7.62 g/t Au across 1."]
[172,23,"56 m and 2.44 g/t Au over 6.92 m. In 1992 further drilling resulted"]
[172,24,"in assays of 7.07 g/t Au across 1.16 m true width, 5.47 g/t Au"]
[172,25,"across 5.59 m true width, 12.62 g/t Au across 1.16 meters true"]
[172,26,"width and 6.43 g/t Au over a true width of 0.89 m."]
[173,1,"The Dumbo Lake Showing lies within the northeastern portion of the"]
[173,2,"Archean Slave Structural Province. The region is bordered by the"]
[173,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[173,4,"Structural Province to the east. The principal underlying"]
[173,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[173,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[173,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[173,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[173,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[173,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[173,11,"the older lithologies.  The Dumbo Lake - Boot Lake Area is within"]
[173,12,"the Back River region. The Yellowknife Supergroup in the property"]
[173,13,"area is divided informally into three major sequences.  The Back"]
[173,14,"Group is the lowest sequence and is comprised of felsic to"]
[173,15,"intermediate flows, tuffs and breccias. The Hackett River Group"]
[173,16,"overlies the Back and consists of  volcanic flows that range from"]
[173,17,"felsic to mafic, as well as tuffs and chemical sediments. The"]
[173,18,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[173,19,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[173,20,"by the Geological Survey of Canada suggests that the Hackett River"]
[173,21,"and the Back volcanic belts, which are generally spatially separate,"]
[173,22,"may be coeval in their upper parts (Williamson and Olson, 1990)."]
[173,23,"At least four periods of deformation have affected the Yellowknife"]
[173,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[173,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[173,26,"formation deposition have been identified within the Back and"]
[173,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[173,28,"iron formations are believed to be equivalent stratigraphically to"]
[173,29,"the uppermost iron formations in the Beechey Lake Group."]
[174,1,"The Beechey Lake Group in the Back River Region are isoclinally"]
[174,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[174,3,"interbedded with iron formation and are steeply dipping. The iron"]
[174,4,"formation consists mainly of magnetite and chert and are of the"]
[174,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[174,6,"also present (Williamson and Olson, 1990)  The Beechey Lake group"]
[174,7,"sedimentary rocks (including the oxide iron formations) within the"]
[174,8,"Boot-Rooster-Ellice property have been deformed into a broad Z"]
[174,9,"shape the extends from Scorpion Lake (approximately 3.5 km SW of"]
[174,10,"the Dumbo Lake area) to Hammer Lake (approximately 12.5 km to the"]
[174,11,"SE).  The Boot Lake granitic stock (approximately 7 km S) intrudes"]
[174,12,"this stratigraphy but Williamson 1991, believes that two regional"]
[174,13,"scale fold systems may be responsible for the structure (Chandler"]
[174,14,"et al, 1992).  Map 1-P92.001 from assessment report 083153 is an"]
[174,15,"excellent map of the locations of the various showings within the"]
[174,16,"Boot Lake Area."]
[175,1,"The majority of the Dumbo Lake area is covered in overburden. The"]
[175,2,"oxide and silicate iron formations are interbedded with greywacke"]
[175,3,"and mudstone. The iron formations range in width from 1 up to 10 m"]
[175,4,"in width and strike NNW on the north and west side of Dumbo Lake."]
[175,5,"To the south and east side of Dumbo Lake the strike is westerly."]
[175,6,"Silicate or silicate-oxide iron formation is the most common type"]
[175,7,"of iron formation to the Dumbo Lake showing. Trace to 2% volume"]
[175,8,"pyrite and pyrrhotite are common but no arsenopyrite was noted."]
[175,9,"The sediments of the Dumbo Lake rocks have been intruded by white"]
[175,10,"weathered felsites 600 m NE of Bow Lake and 600 m SW of Bow Lake. A"]
[175,11,"granitic sill up to 150 m wide is traceable for approximately 1.9"]
[175,12,"km trending NNW to the southwest of Bow Lake. As well two types of"]
[175,13,"gabbro dykes outcrop in the Dumbo Lake area, one nonmagnetic and"]
[175,14,"metamorphosed, the other magnetic and nonmetamorphosed.  The Dumbo"]
[175,15,"Lake area was mapped and sampled at a reconnaisance scale in 1986."]
[175,16,"Of 16 rock grab samples taken, assays ranged from 0.07 g Au/t to 0."]
[175,17,"86 g Au/t."]
[176,1,"The Shell Lake showing lies within the northeastern portion of the"]
[176,2,"Archean Slave Structural Province. The region is bordered by the"]
[176,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[176,4,"Structural Province to the east. The principal underlying"]
[176,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[176,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[176,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[176,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[176,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[176,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[176,11,"the older lithologies.  The Shell Lake - Boot Lake Area is within"]
[176,12,"the Back River region. The Yellowknife Supergroup in the property"]
[176,13,"area is divided informally into three major sequences. The Back"]
[176,14,"Group is the lowest sequence and is comprised of felsic to"]
[176,15,"intermediate flows, tuffs and breccias. The Hackett River Group"]
[176,16,"overlies the Back and consists of  volcanic flows that range from"]
[176,17,"felsic to mafic, as well as tuffs and chemical sediments. The"]
[176,18,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[176,19,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[176,20,"by the Geological Survey of Canada suggests that the Hackett River"]
[176,21,"and the Back volcanic belts, which are generally spatially separate,"]
[176,22,"may be coeval in their upper parts (Williamson and Olson, 1990)."]
[176,23,"At least four periods of deformation have affected the Yellowknife"]
[176,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[176,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[176,26,"formation deposition have been identified within the Back and"]
[176,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[176,28,"iron formations are believed to be equivalent stratigraphically to"]
[176,29,"the uppermost iron formations in the Beechey Lake Group."]
[177,1,"The Beechey Lake Group in the Back River Region are isoclinally"]
[177,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[177,3,"interbedded with iron formation and are steeply dipping. The iron"]
[177,4,"formation consists mainly of magnetite and chert and are of the"]
[177,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[177,6,"also present (Williamson and Olson, 1990)  The Beechey Lake group"]
[177,7,"sedimentary rocks (including the oxide iron formations) within the"]
[177,8,"Boot-Rooster-Ellice property have been deformed into a broad Z"]
[177,9,"shape the extends from Scorpion Lake (approximately 3.5 km SW of"]
[177,10,"the Dumbo Lake area) to Hammer Lake (approximately 12.5 km to the"]
[177,11,"SE).  The Boot Lake granitic stock (approximately 7 km S) intrudes"]
[177,12,"this stratigraphy but Williamson 1991, believes that two regional"]
[177,13,"scale fold systems may be responsible for the structure (Chandler"]
[177,14,"et al, 1992).  Map 1-P92.001 from assessment report 083153 is an"]
[177,15,"excellent map of the locations of the various showings within the"]
[177,16,"Boot Lake Area."]
[178,1,"The Shell Lake showing is an 8 m wide poorly exposed oxide iron"]
[178,2,"formation that has a NW strike. Williamson et al, 1991 suggests"]
[178,3,"that this may be a continuation of the Falcon Creek North iron"]
[178,4,"formation (included in the Rooster-Hammer area showing) that is"]
[178,5,"located approximately 1 km to the SE.  Two samples of pyrite and"]
[178,6,"arsenopyrite bearing iron formation were assayed and yeilded assays"]
[178,7,"of: 7.61 g Au/t and 12.51 g Au/t."]
[179,1,"The Boulder Pond showing lies within the northeastern portion of"]
[179,2,"the Archean Slave Structural Province. The region is bordered by"]
[179,3,"the Aphebian age Bear Structural Province to the west, and the Rae"]
[179,4,"Structural Province to the east. The principal underlying"]
[179,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[179,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[179,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[179,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[179,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[179,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[179,11,"the older lithologies.  The Boulder Pond area is within the Back"]
[179,12,"River region. The Yellowknife Supergroup in the property area is"]
[179,13,"divided informally into three major sequences. The Back Group is"]
[179,14,"the lowest sequence and is comprised of felsic to intermediate"]
[179,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[179,16,"Back and consists of  volcanic flows that range from felsic to"]
[179,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[179,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[179,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[179,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[179,21,"Back volcanic belts, which are generally spatially separate, may be"]
[179,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[179,23,"four periods of deformation have affected the Yellowknife"]
[179,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[179,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[179,26,"formation deposition have been identified within the Back and"]
[179,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[179,28,"iron formations are believed to be equivalent stratigraphically to"]
[179,29,"the uppermost iron formations in the Beechey Lake Group."]
[180,1,"The Beechey Lake Group in the Back River Region are isoclinally"]
[180,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[180,3,"interbedded with iron formation and are steeply dipping. The iron"]
[180,4,"formation consists mainly of magnetite and chert and are of the"]
[180,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[180,6,"also present (Williamson and Olson, 1990)  Figure 4 from assessment"]
[180,7,"report 083213 is a map showing the general locations of  various"]
[180,8,"showings within the Boulder Pond area.  The Boulder Pond iron"]
[180,9,"formation is a NNW striking belt of sediments at least 8 km long"]
[180,10,"and 1.5 km wide and is an extension of the George Lake iron"]
[180,11,"formation. Aphebian Goulburn Group sedimentary rocks overlay"]
[180,12,"approximately 25 km of the belt between George Lake and Boulder"]
[180,13,"Pond.  The iron formation at Boulder Pond is stratigraphically"]
[180,14,"equivalent to the Goose Lake and George Lake iron formations but"]
[180,15,"the Boulder Pond iron formation is spatially associated with"]
[180,16,"volcaniclastic units of intermediate to felsic composition which"]
[180,17,"are interbedded with greywacke, mudstone and iron formation. Howe"]
[180,18,"(1994) suggests that this association may infer"]
[181,1,"Geological exploration has been done within the Boulder Pond area"]
[181,2,"since 1983. This includes prospecting, mapping, sampling,"]
[181,3,"airborne(1985) and ground geophysical surveys, grid establishment,"]
[181,4,"and drilling. A highlight of same follows:  In 1983 three grab"]
[181,5,"samples were taken from sulphidized iron formation NW of Peace Lake"]
[181,6,"that  has a strike length of 12 m. These samples yielded gold"]
[181,7,"values of 3.82, 2.35 and 1.17 g/t Au with up to 30% pyrite and 15 %"]
[181,8,"arsenopyrite(Howe,1993).  At East Boulder Pond, (occurrence"]
[181,9,"4DHZ004) thick sequences of well bedded magnetite chert oxide iron"]
[181,10,"formation are interbedded with silicate iron formation/chloritic"]
[181,11,"mudstone chert.  Gold occurrences exist in the sulphide bearing"]
[181,12,"sections of oxide and silicate iron formations and are associated"]
[181,13,"with arsenopyrite and pyrite adjacent to or within quartz veining"]
[181,14,"in the iron formation. A gold bearing interval from iron formation"]
[181,15,"assayed at 5.44 g/t Au across o.5 m in 1984. In 1986 two further"]
[181,16,"occurrences were discovered in this area and grab samples assayed"]
[181,17,"at 35.56 g/t Au and 20.98 g/t Au. In 1987 a VLF-EM geophysical"]
[181,18,"survey was done but no further sampling.  The Porkchop occurrence"]
[181,19,"is approximately 335 m SE of the south end of Opener Lake. This"]
[181,20,"occurrence is within a pyrite bearing silicate iron formation,"]
[181,21,"consisting mainly of chert and chlorite and having a minimum width"]
[181,22,"of 2 m.  A frost heaved boulder assayed at 4.83 g/t Au in 1987, 200"]
[181,23,"m to the SW a pyrite bearing iron formation grab sample assayed at"]
[181,24,"7.47 g/t Au.  The Jaeger occurrence is SE of Opener Lake and is an"]
[181,25,"oxide iron formation that has a strike length of 120 m with"]
[181,26,"sulphidic zones that have both arsenopyrite and pyrite. This poorly"]
[181,27,"exposed area returned assays of 6.34 g/t Au, 1.80 g/t Au across 3.7"]
[181,28,"m and 6.24 g/t Au across 0.9m in 1987."]
[182,1,"The Player occurrence is approximately 500 m NW of Humpback Lake."]
[182,2,"This is a silicate iron formation consisting mainly of chert and"]
[182,3,"chlorite that is 0.9 m wide and very poorly exposed. In 1987 a rock"]
[182,4,"chip sample of an arsenopyrite-pyrite bearing section assayed at 10."]
[182,5,"49 g/t Au across 0.9 m. 40 m along strike to the NW a pyrite"]
[182,6,"bearing grab sample yeilded an assay of 3.33 g/t Au.  The Humpback"]
[182,7,"occurrence is 360 m west of the north end of Humpback Lake. It is a"]
[182,8,"silicate iron formation with pyrite bearing chert and greywacke"]
[182,9,"that outcrops next to a gabbroic dyke. This occurrence is very"]
[182,10,"pooorly exposed. 1987 assays of the pyritic chert yeilded values of"]
[182,11,"70.56 g/t Au and 43.41 g/t Au across 0.9 m.  From 1988 to 1991 no"]
[182,12,"further field work was done on the Boulder Pond area. Exploration"]
[182,13,"resumed in 1993 when remapping  and diamond drilling took place in"]
[182,14,"the East Boulder Pond and Peace Lake areas.  Three diamond drill"]
[182,15,"holes were drilled to test the the oxide iron formations in an area"]
[182,16,"of numerous Archean felsic dykes in the East Boulder Pond area."]
[182,17,"Howe (1993) notes that the"]
[183,1,"Assays from diamond drilling include 3.53 g/t Au across 1.2 m core"]
[183,2,"length, 7.03 g/t Au across 0.65 m core length and 7.01 g/t  Au over"]
[183,3,"5.85 m core length.  A fourth diamond drill hole was drilled to"]
[183,4,"test a fold closure north of Peace Lake. Sulphidized and quartz"]
[183,5,"veined oxidized iron formations were intersected in this drill hole."]
[183,6,"One sample assyed 0.33 g/t  Au over 1.2 m but the remainder of the"]
[183,7,"samples assayed under 0.2 g/t Au.  In 1994 three more diamond drill"]
[183,8,"holes were drilled in the Boulder Lake area to test oxide iron"]
[183,9,"formation mineralization. Two holes were drilled on the west side"]
[183,10,"of Opener Lake, the other, to the NW of Humpback Lake. Highlighted"]
[183,11,"assays include: 3.02 g/t Au over 2.25 m core length, 2.78 g/t Au"]
[183,12,"over 2 m core length, 1.54 g/t Au over 0.75 m core length for DDH"]
[183,13,"94P009 (NW end of Opener Lake), 1.54 g/t Au over 6.15 m core length"]
[183,14,"(NW Humpback Lake), 1.37 g/t Au over 1.7 m core length, 2.07 g/t Au"]
[183,15,"over 1.1 m core length and 5.77 g/t Au over 1 m core length in the"]
[183,16,"DDH at the SW side of Opener Lake."]
[184,1,"The Soi Lake showing lies within the northeastern portion of the"]
[184,2,"Archean Slave Structural Province. The region is bordered by the"]
[184,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[184,4,"Structural Province to the east. The principal underlying"]
[184,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[184,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[184,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[184,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[184,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[184,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[184,11,"the older lithologies.  The Soi Lake area is within the Back River"]
[184,12,"region. The Yellowknife Supergroup in the property area is divided"]
[184,13,"informally into three major sequences. The Back Group is the lowest"]
[184,14,"sequence and is comprised of felsic to intermediate flows, tuffs"]
[184,15,"and breccias. The Hackett River Group overlies the Back and"]
[184,16,"consists of  volcanic flows that range from felsic to mafic, as"]
[184,17,"well as tuffs and chemical sediments. The uppermost sequence is the"]
[184,18,"Beechey Lake Group, comprising turbidite sediments, greywacke,"]
[184,19,"mudstone and iron formation. Recent mapping by the Geological"]
[184,20,"Survey of Canada suggests that the Hackett River and the Back"]
[184,21,"volcanic belts, which are generally spatially separate, may be"]
[184,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[184,23,"four periods of deformation have affected the Yellowknife"]
[184,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[184,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[184,26,"formation deposition have been identified within the Back and"]
[184,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[184,28,"iron formations are believed to be equivalent stratigraphically to"]
[184,29,"the uppermost iron formations in the Beechey Lake Group."]
[185,1,"The Vega gold occurrence (approximately 100 m south of Soi Lake) is"]
[185,2,"within an arsenopyrite bearing part of the oxide iron formation. It"]
[185,3,"exists in northern trending linear bands slightly west of the"]
[185,4,"eastern edge of the oxide iron formation. Arsenopyrite and pyrite"]
[185,5,"occur adjacent to quartz veins. Rock grab samples assay up to 18.48"]
[185,6,"g/t  Au.  Approximately 720 m south of Soi Lake a hornblende rich"]
[185,7,"silicate iron formation contains arsenopyrite, pyrite and"]
[185,8,"pyrrhotite. Grab samples assay up to 74.64 g/ t Au  (Dufresne &"]
[185,9,"Johnston, 1984).  A chip sample from at this site assayed 16.73 g/t"]
[185,10,"Au over 0.60 m. Within 20 m in either direction along strike the"]
[185,11,"sulphides deccrease to trace amounts only. A similar silicate iron"]
[185,12,"formation is found 500 m south which assays at 3.60 g/t Au across 0."]
[185,13,"9 m.  For approximately 1.5 km south of the gabbroic dyke, silicate"]
[185,14,"iron formations continue. The sulphidic zones of these iron"]
[185,15,"formations are gold bearing but the iron formations are generally"]
[185,16,"less than 1 m wide and the sulphidic zones a few meters in length."]
[186,1,"The Beechey Lake Group in the Back River Region are isoclinally"]
[186,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[186,3,"interbedded with iron formation and are steeply dipping. The iron"]
[186,4,"formation consists mainly of magnetite and chert and are of the"]
[186,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[186,6,"also present (Williamson and Olson, 1990)  Map 6601-143 from"]
[186,7,"assessment report #082115  shows the  locations of  various"]
[186,8,"showings within the Soi Lake area.  The Soi Lake iron formation is"]
[186,9,"a NNW striking belt of sediments that is an extension of the"]
[186,10,"Boulder Pond iron formation which is stratigraphically equivalent"]
[186,11,"to the Goose Lake and George Lake iron formations. Ground magnetic"]
[186,12,"data from 1987 indicates that the Soi Lake iron formation exists in"]
[186,13,"a regional sized isoclinal fold. South of Soi Lake the Vega oxide"]
[186,14,"iron formation is 70-80 m wide and extends 200 m south where it"]
[186,15,"terminates adjacent to a 60 m wide NW trending gabbroic dyke. This"]
[186,16,"termination may be due to a fold closure, this is indicated by"]
[186,17,"repetative outcrop scale isoclinal folds."]
[187,1,"The Goose Lake showing lies within the northeastern portion of the"]
[187,2,"Archean Slave Structural Province. The region is bordered by the"]
[187,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[187,4,"Structural Province to the east. The principal underlying"]
[187,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[187,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[187,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[187,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[187,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[187,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[187,11,"the older lithologies.  The Goose Lake area is within the Back"]
[187,12,"River region. The Yellowknife Supergroup in the property area is"]
[187,13,"divided informally into three major sequences. The Back Group is"]
[187,14,"the lowest sequence and is comprised of felsic to intermediate"]
[187,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[187,16,"Back and consists of  volcanic flows that range from felsic to"]
[187,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[187,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[187,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[187,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[187,21,"Back volcanic belts, which are generally spatially separate, may be"]
[187,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[187,23,"four periods of deformation have affected the Yellowknife"]
[187,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[187,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[187,26,"formation deposition have been identified within the Back and"]
[187,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[187,28,"iron formations are believed to be equivalent stratigraphically to"]
[187,29,"the uppermost iron formations in the Beechey Lake Group."]
[188,1,"The Beechey Lake Group in the Back River Region are isoclinally"]
[188,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[188,3,"interbedded with iron formation and are steeply dipping. The iron"]
[188,4,"formation consists mainly of magnetite and chert and are of the"]
[188,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[188,6,"also present (Williamson and Olson, 1990)  Map 5602-70 from"]
[188,7,"assessment report #081975 shows the location of the Goose Lake area."]
[188,8,"The Goose Lake showing is within a northwest plunging antiformal"]
[188,9,"closure. Gold zones appear axial planar to the fold structure and"]
[188,10,"reasonably continuous in nature. The mineralization is interpretted"]
[188,11,"to occur in three subparallel zones occupying the west limb, fold"]
[188,12,"nose and east limb of the fold structure. The deposit is completely"]
[188,13,"open down plunge and along the strike of the limbs(Chandler et al,"]
[188,14,"1992). The Goose Lake iron formation has a NNW strike and is at"]
[188,15,"least 8 km long and 1.5 km wide.  The Goose Lake Showing is a NW"]
[188,16,"plunging antiformal structure that is comprised of a sequence of"]
[188,17,"interbedded greywacke, oxide iron formation, sillicate iron"]
[188,18,"formation and mudstone. This sequence has been intruded by felsic"]
[188,19,"and gabbroic dykes. The Goose Lake iron formation is believed to be"]
[188,20,"stratigraphically similar to the George Lake iron formation.  The"]
[188,21,"Goose Lake mineralized zones occur in both the west and east limbs"]
[188,22,"of the antiformal structure as well as in the fold nose. Chandler"]
[188,23,"et al,1992 interprets them to be subparallel to the axial plane of"]
[188,24,"the fold and steeply dipping. Increased quartz veining,"]
[188,25,"silicification, the development of chlorite and sulphide"]
[188,26,"replacement of magnetite characterize the gold bearing zones. Three"]
[188,27,"subparallel but spatially distinct zones of higher grade gold value"]
[188,28,"occur in the west limb (West Zone), fold nose (Main Zone) and east"]
[188,29,"limb (East Zone)."]
[189,1,"Gold zones appear axial planar to the fold structure and reasonably"]
[189,2,"continuous in nature. The mineralization is interpretted to occur"]
[189,3,"in three zones subparallel to the axial plane of the fold occupying"]
[189,4,"the west limb (West Zone), fold nose (Main Zone) and east limb"]
[189,5,"(East Zone) of the fold structure. The deposit is completely open"]
[189,6,"down plunge and along the strike of the limbs(Chandler et al,1992)."]
[189,7,"The Goose Lake iron formation has a NNW strike and is at least 8 km"]
[189,8,"long and 1.5 km wide.  Increased quartz veining, silicification,"]
[189,9,"the development of chlorite and sulphide replacement of magnetite"]
[189,10,"characterize the gold bearing zones.   Oxide iron formations host"]
[189,11,"the gold bearing sulphidic zones. The sulphidic zones contain up to"]
[189,12,"8 volume percent euhedral arsenopyrite and 7 volume percent"]
[189,13,"disseminated and wispy pyrite. Near the sulphidic zones the iron"]
[189,14,"formation is chloritic, foliated and graphitic and cut by quartz"]
[189,15,"veins. Flanking the larger oxide iron formation, thin beds of"]
[189,16,"silicate iron formation are present in greywacke. These contain up"]
[189,17,"to 7 volume percent disseminated and wispy pyrite +/or pyrrhotite"]
[189,18,"which occurs adjacent to quartz veins. This silicate iron"]
[189,19,"formations are at least 10 m long and up to 0.75 m wide."]
[190,1,"Exploration in the Goose Lake area commenced in 1984 with"]
[190,2,"reconnaissance prospecting. A rock chip sample collected at Goose"]
[190,3,"Lake assayed at 1.30 g/t Au across 2.3 m and a grab sample assayed"]
[190,4,"at 17.11 g/t Au (Johnston et al,1985).  In 1985, an airborne DIGHEM"]
[190,5,"geophysical survey, reconnaissance mapping, prospecting and"]
[190,6,"sampling was done over the area, one assay had a value of 4.40 g/t"]
[190,7,"Au.  Exploration in 1986 consisted of detailed mapping, sampling,"]
[190,8,"and ground geophysical surveys of magnetometer, VLF-EM and HLEM. A"]
[190,9,"till sample survey was also done within the Goose Lake area.  Of 25"]
[190,10,"rock samples collected gold assays ranged from less than 0.7 to 8."]
[190,11,"67 g/t Au. Four samples assayed between 3.00 and 8.67 g/t Au, two"]
[190,12,"samples assayed from 0.5 and 3.0 g/t Au. Fifteen samples had an"]
[190,13,"anomalous gold value ranging from 0.15 to 0.34 g/t Au.  In 1987"]
[190,14,"infill grid surveying, prospecting, ground magnetometer and VLF-EM"]
[190,15,"surveys were carried out to extend and delineate the iron formation."]
[190,16,"From 1988 to 1991 no field work was done on the Goose Lake area."]
[190,17,"In 1992 till sampling, ground geophysics (magnetic, VLF-EM and"]
[190,18,"gradiometer) and diamond drilling of 19 holes totalling 2,729 m. A"]
[190,19,"total of 869 core samples were taken with numerous assays exceding"]
[190,20,"20 g/t Au (e.g. 77.86 g/t Au over 1.0 m and 127.44 g/t over 1.25 m)."]
[190,21,"In 1993 a detailed geophysical survey and a legal survey was"]
[190,22,"completed at the Goose Lake property.  In 1994 21 diamond drill"]
[190,23,"holes were drilled totalling 7473 m."]
[191,1,"A press release from Kit Resources on 25 March 1998 announced that"]
[191,2,"a new resource estimate had been calculated based on a drill"]
[191,3,"program from 1997. Twelve drill holes on the Goose Lake target"]
[191,4,"produced the best grades and widths and the deposit remains open to"]
[191,5,"depth. The indicated resource is 1,896,000 tonnes at 10.53 g/t and"]
[191,6,"642,00 contained ounces gold. Kit  Resources state  they intend to"]
[191,7,"test for depth extension in the next phase of drilling as well as"]
[191,8,"advance the project to prefeasibility stage as market conditions"]
[191,9,"improve."]
[192,1,"The Goose Neck showing lies within the northeastern portion of the"]
[192,2,"Archean Slave Structural Province. The region is bordered by the"]
[192,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[192,4,"Structural Province to the east. The principal underlying"]
[192,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[192,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[192,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[192,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[192,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[192,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[192,11,"the older lithologies.  The Goose Neck area is within the Back"]
[192,12,"River region. The Yellowknife Supergroup in the property area is"]
[192,13,"divided informally into three major sequences. The Back Group is"]
[192,14,"the lowest sequence and is comprised of felsic to intermediate"]
[192,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[192,16,"Back and consists of  volcanic flows that range from felsic to"]
[192,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[192,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[192,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[192,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[192,21,"Back volcanic belts, which are generally spatially separate, may be"]
[192,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[192,23,"four periods of deformation have affected the Yellowknife"]
[192,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[192,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[192,26,"formation deposition have been identified within the Back and"]
[192,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[192,28,"iron formations are believed to be equivalent stratigraphically to"]
[192,29,"the uppermost iron formations in the Beechey Lake Group."]
[193,1,"The Beechey Lake Group in the Back River Region are isoclinally"]
[193,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[193,3,"interbedded with iron formation and are steeply dipping. The iron"]
[193,4,"formation consists mainly of magnetite and chert and are of the"]
[193,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[193,6,"also present (Williamson and Olson, 1990)  Map 5602-70 from"]
[193,7,"assessment report #081975 shows the location of the Goose Lake area."]
[193,8,"90% of the Archean rocks in the Goose Neck area are covered by"]
[193,9,"glacial material. The Goose Neck oxide iron formation exists in two"]
[193,10,"places along the shore of Goose Lake and is interbedded with"]
[193,11,"Beechey Lake Group greywacke and and mudstone. The iron oxide"]
[193,12,"formations are well banded and consist of magnetite, chert and"]
[193,13,"grunerite and 1-2 volume percent pyrite. The iron formation trend"]
[193,14,"north north-west and is approximately 5m wide. Airborne geophysics"]
[193,15,"indicate that the oxide iron formation is complwexly folded and"]
[193,16,"faulted.  In the TGL5b target area (map 6601-179 from assessment"]
[193,17,"report 082116)a poorly banded to massive, thin silicate iron"]
[193,18,"formation consists of grunerite, hornblende and chlorite and is"]
[193,19,"interbedded with greywacke and mudstone. Within the iron formation"]
[193,20,"sulphidic zones contain up to 10% pyrite.  In 1985 reconnaissance"]
[193,21,"mapping and prospecting yeilded one rock grab assay of 4.40 g Au/t"]
[193,22,"from a pyrrhotite bearing zone in greywacke. Bartkiewicz & Johnston"]
[193,23,"(1986) note that this sample was from a boulder that was found on"]
[193,24,"the oxide iron formation. An airborne geophysical survey was also"]
[193,25,"flown over the Goose Lake area in 1985.  1986 exploration included"]
[193,26,"prospecting, mapping at a 1:2000 scale and sampling. Of four"]
[193,27,"samples collected within oxide iron formation none were over 0.07 g/"]
[193,28,"t Au. In the TGL5b area, approximately 950 m SW of the Goose Lake"]
[193,29,"shore, a rock grab sample from a sulphide bearing zone in a"]
[193,30,"silicate iron formation assayed at 0.34 g/t Au."]
[194,1,"The Goose Creek showing lies within the northeastern portion of the"]
[194,2,"Archean Slave Structural Province. The region is bordered by the"]
[194,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[194,4,"Structural Province to the east. The principal underlying"]
[194,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[194,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[194,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[194,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[194,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[194,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[194,11,"the older lithologies.  The Goose Creek area is within the Back"]
[194,12,"River region. The Yellowknife Supergroup in the property area is"]
[194,13,"divided informally into three major sequences. The Back Group is"]
[194,14,"the lowest sequence and is comprised of felsic to intermediate"]
[194,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[194,16,"Back and consists of  volcanic flows that range from felsic to"]
[194,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[194,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[194,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[194,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[194,21,"Back volcanic belts, which are generally spatially separate, may be"]
[194,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[194,23,"four periods of deformation have affected the Yellowknife"]
[194,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[194,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[194,26,"formation deposition have been identified within the Back and"]
[194,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[194,28,"iron formations are believed to be equivalent stratigraphically to"]
[194,29,"the uppermost iron formations in the Beechey Lake Group."]
[195,1,"The Beechey Lake Group in the Back River Region are isoclinally"]
[195,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[195,3,"interbedded with iron formation and are steeply dipping. The iron"]
[195,4,"formation consists mainly of magnetite and chert and are of the"]
[195,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[195,6,"also present (Williamson and Olson, 1990)  Map 5602-70 from"]
[195,7,"assessment report #081975 shows the location of the Goose Lake area."]
[195,8,"Glacial material covers 55 to 85 percent of the Goose Creek area."]
[195,9,"Ground and airborne magnetic data indicate that the iron formation"]
[195,10,"trends to the NW, is folded into a S shape, then continues to the"]
[195,11,"NW into the Llama Lake area where it becomes complexly folded. It"]
[195,12,"is then traced back to the Goose Creek area.  There is one main"]
[195,13,"area of interbedded oxide iron formation in the Goose Creek area."]
[195,14,"The iron formation is interbedded with Beechey Lake Group greywacke"]
[195,15,"and mudstone. Thin silicate iron formations outcrop locally and"]
[195,16,"occur as pods and lenses that are 0.5 m or less in thickness. The"]
[195,17,"silicate iron formations consist mainly of grunerite with lesser"]
[195,18,"amounts of chert and chlorite and are poorly banded."]
[196,1,"Exploration of the Goose Creek area commenced in 1984 with"]
[196,2,"reconnaissance prospecting and rock sampling based on positive"]
[196,3,"aeromagnetic anomalies from the 1968 Geological Survwey of Canada"]
[196,4,"(Bartkiewicz & Johnston,1986).  In 1985 geological mapping at a"]
[196,5,"scale of 1:10,000, prospecting and sampling were done. As well an"]
[196,6,"airborne geophysical DIGHEM survey was flown over the area.  Rock"]
[196,7,"grab samples from 1984 and 1985 range from 0.005 g/t Au to 0.70 g/t"]
[196,8,"Au (Bartkiewicz & Johnston,1986).  Exploration in 1986 included"]
[196,9,"detailed prospecting and mapping at a scale of 1:1000, sampling,"]
[196,10,"ground magnetometer, VLF-EM and HLEM surveys, as well,"]
[196,11,"reconnaissance prospecting and mapping were done on other areas of"]
[196,12,"the property.  14 rock samples collected and gold values range from"]
[196,13,"less than 0.07 to 2.67 g/t Au. Three samples assayed at 1.06, 1.71"]
[196,14,"and 2.67 g/t Au. Five samples had  anomalous gold content of 0.15 g/"]
[196,15,"t Au or greater, these include assays from 0.17 to 0.75 g/t Au. Six"]
[196,16,"of the eight rocks that assay between 0.17 to 2.67 g/t Au were from"]
[196,17,"a sulphidic zone in the oxide iron formation, the other three were"]
[196,18,"from silicate iron formation beds and lenses.   In 1987 a ground"]
[196,19,"magnetometer survey was completed at the Goose Creek area to better"]
[196,20,"define the poorly exposed and complexly folded iron formation.  In"]
[196,21,"1992 reconnaissance till sampling was done over the Goose Lake area."]
[196,22,"In 1986, Target TGL5a was prospected and mapped at a 1:10,000"]
[196,23,"scale. All the sulphide occurrences were in subrounded boulders so"]
[196,24,"the source is unknown. One of the boulders (located approximately 0."]
[196,25,"6 km east of Big Lake) was of silicate iron formation and had 1"]
[196,26,"volume percent pyrite. Of six samples taken, one assayed at 0.34 g/"]
[196,27,"t Au, all the others were 0.10 g/t Au or less."]
[197,1,"The Llama Lake showing lies within the northeastern portion of the"]
[197,2,"Archean Slave Structural Province. The region is bordered by the"]
[197,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[197,4,"Structural Province to the east. The principal underlying"]
[197,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[197,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[197,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[197,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[197,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[197,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[197,11,"the older lithologies.  The Llama Lake area is within the Back"]
[197,12,"River region. The Yellowknife Supergroup in the property area is"]
[197,13,"divided informally into three major sequences. The Back Group is"]
[197,14,"the lowest sequence and is comprised of felsic to intermediate"]
[197,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[197,16,"Back and consists of  volcanic flows that range from felsic to"]
[197,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[197,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[197,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[197,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[197,21,"Back volcanic belts, which are generally spatially separate, may be"]
[197,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[197,23,"four periods of deformation have affected the Yellowknife"]
[197,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[197,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[197,26,"formation deposition have been identified within the Back and"]
[197,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[197,28,"iron formations are believed to be equivalent stratigraphically to"]
[197,29,"the uppermost iron formations in the Beechey Lake Group."]
[198,1,"The Beechey Lake Group in the Back River Region are isoclinally"]
[198,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[198,3,"interbedded with iron formation and are steeply dipping. The iron"]
[198,4,"formation consists mainly of magnetite and chert and are of the"]
[198,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[198,6,"also present (Williamson and Olson, 1990)  Map 5602-70 from"]
[198,7,"assessment report #081975 shows the location of the Goose/Llama"]
[198,8,"Lake area.  Glacial material covers 80 to 90 percent of the Llama"]
[198,9,"Lake area. Ground and airborne magnetic data indicate that the iron"]
[198,10,"formation in the Llama Lake area is complexly folded.  Beechey Lake"]
[198,11,"Group greywacke and mudstone and quartzite, oxide and silicate iron"]
[198,12,"formations have a northwesterly trend. The well banded oxide iron"]
[198,13,"formations are generally 5 to 10 m thick and consist of magnetite,"]
[198,14,"chert and grunerite. The poorly banded grunerite, chert and"]
[198,15,"chlorite silicate iron formations occur as lenses or pods up to 0.5"]
[198,16,"m thick within greywacke and mudstone. Both types of iron"]
[198,17,"formations ontain sulphides and carbonates locally."]
[199,1,"Sulphidic zones in both oxide and silicate iron formations are"]
[199,2,"spatially associated with quartz veins. The dominant sulphide is"]
[199,3,"pyrite, but arsenopyrite and pyrrhotite are also present locally."]
[199,4,"Pyrite occurs in irregular patches and as disseminated crystals."]
[199,5,"Arsenopyrite exists as medium grained disseminated crystals at or"]
[199,6,"near the margins of the quartz veins and is associated with pyrite."]
[199,7,"Pyrrhotite occurs as disseminated fine grained crystals or as"]
[199,8,"irregular patches. Dufrsne and Johnston, 1987 note: In general,"]
[199,9,"rock samples that contain greater than one volume percent"]
[199,10,"arsenopyrite assay greater than 1.00 g/t Au. Rock samples that"]
[199,11,"contain pyrite or pyrrhotite or both assay less than 1.00 g/t Au."]
[199,12,"A 2 m wide siliceous felsite dyke intrudes the greywacke"]
[199,13,"approximately 100 m north of Llama Lake. West of Llama Lake"]
[199,14,"(approximately 1.5 km), a granitic pluton intrudes the sediments."]
[199,15,"Helikian gabbroic dykes ranging from 5 to 30 m in width exist"]
[199,16,"parallel to the trend of the iron formations and interbedded"]
[199,17,"sediments.  Reconnaissance exploration was conducted at Llama Lake"]
[199,18,"in 1984 and 1985. In 1985 a DIGHEM airborne geophysical survey was"]
[199,19,"performed as part of a larger regional survey.   In 1985 a gold"]
[199,20,"occurrence was discovered about 600 m SE of the southern tip of"]
[199,21,"Llama Lake in a sulphide bearing 0.5 m wide silicate iron formation"]
[199,22,"that was adjacent to a crosscutting quartz vein. A rock grab sample"]
[199,23,"from this sulphidic zone assayed at 4.10 g/t Au. The sulphidic zone"]
[199,24,"contained 10 volume percent pyrrhotite,5 volume percent pyrite and"]
[199,25,"2 volume percent arsenopyrite.  In 1986 a base line was established"]
[199,26,"and reconnaissance mapping and sampling were performed."]
[200,1,"Three gold occurrences were discovered in  1986, each defined by a"]
[200,2,"single rock sample collected from sulphide bearing zones in"]
[200,3,"silicate iron formations less than 0.5 m wide. The sulphide zones"]
[200,4,"are adjacent to crosscutting quartz veins within the iron formation."]
[200,5,"Two occurrences are west of Llama Lake, the other is to the"]
[200,6,"southeast.  110 m west of Llama Lake a grab sample from a sulphide"]
[200,7,"bearing zone assayed at4.15 g/t Au. This zone had 3-5% pyrite and 2-"]
[200,8,"3% arsenopyrite by volume.  200 m south of the above occurrence a"]
[200,9,"grab sample from another sulphie bearing silicate iron formation"]
[200,10,"assayed at 2.06 g/t Au. This zone had 2-3 volume percent pyrite."]
[200,11,"500 m south of Llama Lake the third occurrence had a sulphide"]
[200,12,"bearing zone of 1-2 volume percent arsenopyrite and assayed at 1.30"]
[200,13,"g/t Au.  1987 exploration included prospecting, sampling, mapping"]
[200,14,"at a scale of 1:2000, and ground magnetometer and VLF-EM surveying."]
[200,15,"One rock chip and 44 grab or composite grab samples were taken."]
[200,16,"Three samples assayed between 0.50 g/t Au and 3.00 g/t Au, the"]
[200,17,"remaining assyed less than 0.5 g/t Au.  A gold occurrence was"]
[200,18,"discovered 135 m west of the north end of Llama Lake in a 0.5 to 1"]
[200,19,"m wide silicate iron formation that was pyrite and arsenopyrite"]
[200,20,"bearing. A rock grab sample assayed at 1.44 g/t Au. Samples"]
[200,21,"collected from bands of silicate iron formation that occur along"]
[200,22,"strike to the NW and SW of this occurrence assay up to 0.51 g/t Au."]
[200,23,"80 m south of Llama Lake a gold occurrence within a pyrite and"]
[200,24,"arsenopyrite bearing oxide iron formation that is 10-15 m wide"]
[200,25,"assayed at 2.71 g/t Au. This iron formation is poorly exposed over"]
[200,26,"a strike length of 110 m. Arsenopyrite was found in only one"]
[200,27,"location but pyrite exists throughout.  In 1992 a reconnaissance"]
[200,28,"till sampling survey was carried out."]
[201,1,"The Yava Showing, also referred to as the Agricola Lake deposit,"]
[201,2,"occurs within the Hackett River volcano-sedimentary belt which"]
[201,3,"comprises rocks of the Archean Yellowknife Supergroup. The Showing"]
[201,4,"is located near the top of the Hackett River Group, which typically"]
[201,5,"consists of a succession of fragmental rhyolites capped with basalt"]
[201,6,"flows and overlain by pillowed andesites. In the vicinity of the"]
[201,7,"Yava deposit, the pillowed andesites are largely absent, replaced"]
[201,8,"by a fragmental-rich sequence of dacitic ash flow tuffs overlain by"]
[201,9,"the main host unit of generally siliceous volcanics. The latter"]
[201,10,"includes massive, bedded, and glassy felsic volcanics interlayered"]
[201,11,"with chert, graphitic argillite, pyrite/pyrrhotite and limestone,"]
[201,12,"and is dominated by tuffs and lapilli tuffs near the deposit."]
[201,13,"The main sulphide mineralization is found near the"]
[201,14,"base of the siliceous unit, and an alteration pipe/stringer zone"]
[201,15,"extends down into the underlying dacitic tuff. Sphalerite occurs in"]
[201,16,"a series of layers throughout a 95 metre stratigraphic interval in"]
[201,17,"the centre of the deposit, although the main mineralized beds are"]
[201,18,"found within an interval between 15 and 30 metres thick. Sulphidic"]
[201,19,"layers are thick and closely spaced in the central areas, and"]
[201,20,"thinner as well as more widely spaced toward the periphery. They"]
[201,21,"tend to be either pyrite or sphalerite-rich, with peak pyrite"]
[201,22,"concentrations generally underlying peak concentrations of ore"]
[201,23,"minerals (CIMM  Bulletin V73N815P143).                     There is"]
[201,24,"a vertical metal zonation, with successive layers from bottom to"]
[201,25,"top changing from chalcopyrite-rich to low-Fe sphalerite plus"]
[201,26,"galena, to argentiferous tennantite + sphalerite + galena, and"]
[201,27,"finally to high-Fe, argentiferous and auriferous sphalerite, the"]
[201,28,"lower half of this layer is an argentiferous pyrite layer."]
[202,1,"Alteration associated with the deposit is not described in detail."]
[202,2,"Chlorite and sericite are present and the host rocks are soda-"]
[202,3,"depleted and enriched in magnesium and iron.   Regionally, the host"]
[202,4,"strata are part of the steep to overturned limb of a major syncline."]
[202,5,"Crenulations and small scale S and Z drag folds are present in"]
[202,6,"bedded rocks. Most of these small folds plunge steeply, at least"]
[202,7,"some of them to the south.  The Yava Showing was discovered by a"]
[202,8,"GSC regional geochemical survey program in 1972-3. Work done since"]
[202,9,"then includes geological mapping, geochemical sampling (water, soil"]
[202,10,"and rock), airborne and grid-based ground geophysics (gravity,"]
[202,11,"magnetometer, resistivity), and diamond drilling.  A total of 15"]
[202,12,"diamond drill holes were drilled on the Yava Showing over 2 years"]
[202,13,"for a combined footage of 3376 ft. In the first phase of drilling,"]
[202,14,"6 holes were drilled totalling 1295 ft. Five of the holes"]
[202,15,"intersected steeply dipping sulphide sections with zinc, lead,"]
[202,16,"copper, silver and gold anomalies. These sections include a"]
[202,17,"stratigraphic upper zone rich in zinc and silver, a composite zone"]
[202,18,"with layers of nearly massive sulphide rich in zinc, lead, silver"]
[202,19,"with significant copper and gold and, a stratigraphic footwall zone"]
[202,20,"containing copper stringers. AR 080465 states that the drilled"]
[202,21,"sections contain more than 4% Zn, 1% Pb, 1% Cu, 1 oz/ton Ag, 0.01"]
[202,22,"oz/ton Au or combinations thereof."]
[203,1,"In the second phase of drilling, nine holes were drilled for a"]
[203,2,"combined footage of 2081 ft; four of these tested targets outside"]
[203,3,"the main zone.  Three of the five holes testing the main zone"]
[203,4,"intersected base metal sulphides: 5.2 oz/ton silver, 1.85% zinc"]
[203,5,"over 2.5 ft core length in one hole; 3.8% zinc, 0.24 oz/ton silver"]
[203,6,"over 2.8 ft. core length in another hole; and 6.5% zinc, 0.37 oz/"]
[203,7,"ton silver over 5.4 ft. core length, and 3.10% zinc, 1.7 oz/ton"]
[203,8,"silver, 0.02 oz/ton gold over 3.7 ft core length in a third hole."]
[203,9,"The following conclusions were reached at the end of this drilling:"]
[203,10,"The Main Zone drilling extended the Main Zone mineralization over"]
[203,11,"an area 1500 feet long and 500 feet wide and to a depth of at least"]
[203,12,"300 feet below surface.  Detailed drilling is required to define"]
[203,13,"the exact nature and grade of the Main Zone.  Drilling on targets"]
[203,14,"outside the Main Zone intersected only traces of ore mineralization."]
[203,15,"(Assessment Report 080538)  There is no indication of any further"]
[203,16,"work being done on the showing.  No further Assessment Reports were"]
[203,17,"filed and no mention is made of further work in the annual Mineral"]
[203,18,"Industry Reports put out by DIAND. Expenditures to the end of 1975"]
[203,19,"were sufficient to secure the property until 1984, at which time it"]
[203,20,"was taken to lease."]
[204,1,"The Yava Showing has been cited in numerous references as having"]
[204,2,"drill-indicated reserves of 1,000,000 to 2,000,000 tonnes grading"]
[204,3,"3% Zn, 0.5% Cu, 0.5% Pb, 102.8 g/t (or 10%) Ag and 2 g/t Au. It is"]
[204,4,"difficult to determine what these figures are based on, and the"]
[204,5,"only conclusion which presents itself is that they are based on the"]
[204,6,"8 mineralized intersections of the 1974-75 drill program - or more"]
[204,7,"accurately, on speculation regarding these intersections. The"]
[204,8,"National Mineral Inventory (EMR Canada, Mineral Policy Sector)"]
[204,9,"gives separate grades for two sections of the deposit and a total"]
[204,10,"size of 1,250,000 tons, quoting a talk presented at the 1976"]
[204,11,"Geoscience Forum.  Since no work appears to have been done in 1976,"]
[204,12,"these reserve figures must be based on the 8 intersections"]
[204,13,"mentioned above and therefore do not meet any commonly accepted"]
[204,14,"criteria for definition as an ore reserve. The publication called"]
[204,15,"Canadian Mineral Deposits Not Being Mined in 1989 (EMR Canada,"]
[204,16,"Mineral Policy Sector) also gives reserve figures for Yava, quoting"]
[204,17,"a 1982 paper but giving 1976 as the date of the calculation.  Again"]
[204,18,"the only conclusion is that the figures are based on inadequate"]
[204,19,"information, possibly supported by frequent references to the Yava"]
[204,20,"massive sulphide deposit in various journal articles and other"]
[204,21,"publications.  Support for this view is found in an addendum to"]
[204,22,"Assessment Report 080538, in which  the results of the five 1974"]
[204,23,"drill intersections are discussed rather optimistically.  The"]
[204,24,"author interprets three zones and calculates average horizontal"]
[204,25,"widths, tons per vertical foot, and grade of each zone from these"]
[204,26,"five intersections, then goes on to say:  It is reasonable to"]
[204,27,"suppose that the M zone extends 100 feet north of Y3 and 200 feet"]
[204,28,"south of Y4. If this is so, the zone would contain 1 million tons"]
[204,29,"to an average depth of 300 feet, 2 million tons if the body reached"]
[204,30,"a depth of 600 feet."]
[205,1,"This is the first mention of 1 to 2 million tons in available"]
[205,2,"sources. It is interesting to note that the deepest sulphides were"]
[205,3,"intersected at 290 ft below surface.  This Showing has been"]
[205,4,"assigned a Development Stage of Drilled rather than Resources"]
[205,5,"Calculated, in accordance with the conclusions reached above."]
[206,1,"The George Lake area lies within the northeastern portion of the"]
[206,2,"Archean Slave Structural Province. The region is bordered by the"]
[206,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[206,4,"Structural Province to the east. The principal underlying"]
[206,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[206,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[206,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[206,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[206,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[206,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[206,11,"the older lithologies.  The George Lake Area is within the Back"]
[206,12,"River region. The Yellowknife Supergroup in the property area is"]
[206,13,"divided informally into three major sequences.  The Back Group is"]
[206,14,"the lowest sequence and is comprised of felsic to intermediate"]
[206,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[206,16,"Back and consists of  volcanic flows that range from felsic to"]
[206,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[206,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[206,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[206,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[206,21,"Back volcanic belts, which are generally spatially separate, may be"]
[206,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[206,23,"four periods of deformation have affected the Yellowknife"]
[206,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[206,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[206,26,"formation deposition have been identified within the Back and"]
[206,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[206,28,"iron formations are believed to be equivalent stratigraphically to"]
[206,29,"the uppermost iron formations in the Beechey Lake Group."]
[207,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[207,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[207,3,"interbedded with iron formation and are steeply dipping. The iron"]
[207,4,"formation consists mainly of magnetite and chert and is of the"]
[207,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[207,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[207,7,"greywackes have been intruded by sill like bodies of Archean"]
[207,8,"felsite. These sills are generally 1-3 m wide with the exception of"]
[207,9,"one at the NW end of George Lake which is up to 130 m wide and 2.3"]
[207,10,"km long.   The sedimentary rocks and the iron formations of the"]
[207,11,"Beechey Lake Group as well as the Aphebian Goulburn Group sediments"]
[207,12,"have been cut by numerous NNW trending Helikian gabbroic dykes."]
[207,13,"Approximately 50% of the Precambrian rocks of the George Lake area"]
[207,14,"are mantled by quaternary glacial material.  The metamorphic grade"]
[207,15,"of the Beechey Lake Group in the George Lake area is lower to"]
[207,16,"middle greenschist.  The George Lake area has been subject to an"]
[207,17,"increasing scale of exploration since 1982. The area has been"]
[207,18,"prospected, mapped, trenched, sampled and drilled as well as having"]
[207,19,"airborne geophysics and detailed ground geophysics done.   In the"]
[207,20,"George Lake area, iron formations within Beechey Lake sedimentary"]
[207,21,"rocks strike northwest. This 16 km long and 2.5 km wide iron"]
[207,22,"formation/sediment sequence has three major oxide iron formation"]
[207,23,"belts identified within it. These belts are: the George Lake belt,"]
[207,24,"the Fold Nose belt and the Lookout Hill belt.  Maps 6601-31 & 32"]
[207,25,"from assessment report 082117 show the three main belts as well as"]
[207,26,"the main mineral occurrences and their locations. All locations of"]
[207,27,"occurrences are taken from an approximate midpoint and located with"]
[207,28,"reference to the George Lake camp (GLC) which is on the SSW shore"]
[207,29,"of George Lake."]
[208,1,"Gold exists in sulphide facies within oxide iron formations in"]
[208,2,"several areas in the George Lake area. Five deposits are"]
[208,3,"highlighted but there are numerous gold occurrences throughout the"]
[208,4,"area. Assays (from 1988) marked with an asterick are cut assays to"]
[208,5,"34.268 g Au/t.  The George Lake North deposit consists of Locale 1 -"]
[208,6,"Locale 1 North. Locale 1 North-Locale 1(approximately 1.2 km NW of"]
[208,7,"GLC) gold bearing sulphidic zone has a minimum strike length of"]
[208,8,"approximately 960 m, an average vertical extent of approximately"]
[208,9,"200 m and a true width of 3.7 m for intersections with a gold grade"]
[208,10,"times width product over 10 g*m. One drill hole intersected a zone"]
[208,11,"with a weighted average of 9.02* g/t Au over 10.53 m core length."]
[208,12,"Locale 1 North (1.8 km NW of GLC) has two oxide iron formations"]
[208,13,"that are the steeply SW dipping limbs of a syncline. The SW limb is"]
[208,14,"gold bearing and ranges from 5 to 50 m wide. Gold in the oxide iron"]
[208,15,"formation is spatially related to quartz veins and the sulphidic"]
[208,16,"zones have abundant quartz and chlorite, up to 15% pyrrhotite and"]
[208,17,"lesser pyrite and arsenopyrite. Visible gold is present with"]
[208,18,"chlorite and sulphides within and near quartz veining.  The"]
[208,19,"Occurrence Lake deposit (formerly Locale 2, approximately 400 m SW"]
[208,20,"of GLC) has a gold bearing sulphide facies iron formation that"]
[208,21,"ranges from 2.72 to 18.77 m wide and strikes for 110 m. Mudstone"]
[208,22,"and greywacke beds are often intercalated with the iron formation."]
[208,23,"Visible gold is associated with white vein quartz and arsenopyrite"]
[208,24,"veins which crosscut the iron formation. The best drill core result"]
[208,25,"from 1988 produced a weighted average of 4.9 g/t Au over 13.32 m"]
[208,26,"core length."]
[209,1,"The Esker Pond deposit (formerly GH): The southwest oxide iron"]
[209,2,"formation (approximately 3 km S of GLC) has a gold bearing"]
[209,3,"sulphidic zone that has a minimum strike length of 240 m which"]
[209,4,"extends to a depth of at least 270 m below surface (average depth"]
[209,5,"of 120 m) and an average true width of approximately 4.9 m for"]
[209,6,"intersections with a grade times width gold value over 10 g*m. The"]
[209,7,"iron formation exists in a tight SE plunging syncline. Two drill"]
[209,8,"holes from 1988 gave weighted averages of 8.33 g/t Au over 13.65 m"]
[209,9,"core length and 17.91* g/t Au across 6.14 m core length. GH South"]
[209,10,"(2.5 km S of GLC)has an oxide iron formation within an isoclinal"]
[209,11,"syncline that contains pyrite, arsenopyrite and visible gold"]
[209,12,"associated with chlorite and quartz veining. The gold bearing"]
[209,13,"sulphidic zone has a strike length of at least 120 m in the NE part"]
[209,14,"of the iron formation. The highest weighted average obtained from"]
[209,15,"the 1988 drilling was 2.83 g Au/t over 15.27 m core length.  The"]
[209,16,"Slave deposit (approximately 1.2 km ESE of GLC) has thick oxide"]
[209,17,"iron formation as well as silicate iron formation, both are folded"]
[209,18,"and faulted. Gold exists in sulphidic zones which are spatially"]
[209,19,"related to quartz carbonate veins and usually contain chlorite."]
[209,20,"Sulphides include pyrite and arsenopyrite. At Slave Central Fold a"]
[209,21,"drillhole intersected a zone which gave a weighted average of 10."]
[209,22,"94* g/t Au over 10.14 m core length. At Slave Northern Folds, a"]
[209,23,"weighted average of 2.12 g/t Au over 10.55 m core length was"]
[209,24,"obtained.  The Lone Cow Pond deposit (approximately 3.8 km NW of"]
[209,25,"GLC) has a gold bearing zone within a siliceous iron formation and"]
[209,26,"auriferous chloritic greywacke that is interbedded with mudstone."]
[209,27,"Within the sulphide facies arsenopyrite is found up to 30% volume"]
[209,28,"and pyrite ranges from 2-20% locally. White quartz veins 1-10 cm"]
[209,29,"are found within the iron formation and the greywackes."]
[210,1,"The gold bearing zone has two high grade shoots, the larger one"]
[210,2,"plunges approximately 40 degrees NW with a true average width (for"]
[210,3,"grade times width over 10 g*m) of 3.4 m and a down plunge length of"]
[210,4,"430 m. The shoot ranges from 60-110 m in length perpendicular to"]
[210,5,"plunge axis. The highest gold weighted average from drilling in"]
[210,6,"1988 was 16.68* g/t Au over 8.23 m core length.  On March 24 1992"]
[210,7,"a public presentation to the NWT water board gave an undiluted"]
[210,8,"geological resource estimate for the five deposits of the George"]
[210,9,"Lake area as 3.1 million tonnes at a cut grade of 12.41 g/t gold to"]
[210,10,"a 300 m depth.   In 1996 when the George Lake properties changed"]
[210,11,"owners a news release from Arauco Resources Corporation  (July 2,"]
[210,12,"1996) stated that the George Lake property has over 100 surface"]
[210,13,"gold showings which assayed at over 10 g Au/t.  A 1998 press"]
[210,14,"release from Kit Resources Ltd. announced new resource estimates"]
[210,15,"based on a 21,000 m drill program conducted in 1997. Resource"]
[210,16,"estimate as follows: Locale 1: 1,228,000 tonnes @ 10.84 g/t, 428,"]
[210,17,"000 contained ounces gold Locale 2: 1,063,000 tonnes @ 11.62 g/t,"]
[210,18,"397,000 contained ounces gold Lone Cow Pond: 381,000 tonnes @ 10.74"]
[210,19,"g/t, 132,000 contained ounces gold GH: 228,000 tonnes @ 10.22 g/t,"]
[210,20,"75,000 contained ounces gold Slave: 176,000 tonnes @ 9.88 g/t, 56,"]
[210,21,"000 contained ounces gold  All of the mineralization is located"]
[210,22,"less than 300 metres below surface so a portion of the resource can"]
[210,23,"be mined by open pit. The resource was based on a cutof grade of 5"]
[210,24,"grams of gold per tonne. 93-95 percent of the gold would be"]
[210,25,"recovered using carbon in pulp milling techniques.  In July of 1998"]
[210,26,"an independent resource calculation was released in the NOrthern"]
[210,27,"Miner which expanded the size of the gold deposit. It is now"]
[210,28,"estimated to host 6.5 million tonnes averaging 9.76 g/t Au. The"]
[210,29,"increase is attributable to new inferred resources which total 2.22"]
[210,30,"million tonnes of 9.9 grams gold. The indicated resources total 4.2"]
[210,31,"million tonnes grading 9.8 grams gold."]
[211,1,"The Rifle Lake area is in the SE section of the George Lake area"]
[211,2,"which lies within the northeastern portion of the Archean Slave"]
[211,3,"Structural Province. The region is bordered by the Aphebian age"]
[211,4,"Bear Structural Province to the west, and the Rae Structural"]
[211,5,"Province to the east. The principal underlying supracrustal rocks"]
[211,6,"belong to the Archean Yellowknife Supergroup and consist mainly of"]
[211,7,"volcanics and metasediments. Archean intrusive and metamorphic"]
[211,8,"rocks also underlie the region. Early Proterozoic (Aphebian)"]
[211,9,"clastic sedimentary and carbonate sequences of the Goulburn Group"]
[211,10,"unconformably overlie the Archean rocks locally. Intrusive rocks of"]
[211,11,"Hudsonian age and younger diabase dykes crosscut the older"]
[211,12,"lithologies.  The George Lake Area is within the Back River region."]
[211,13,"The Yellowknife Supergroup in the property area is divided"]
[211,14,"informally into three major sequences.  The Back Group is the"]
[211,15,"lowest sequence and is comprised of felsic to intermediate flows,"]
[211,16,"tuffs and breccias. The Hackett River Group overlies the Back and"]
[211,17,"consists of  volcanic flows that range from felsic to mafic, as"]
[211,18,"well as tuffs and chemical sediments. The uppermost sequence is the"]
[211,19,"Beechey Lake Group, comprising turbidite sediments, greywacke,"]
[211,20,"mudstone and iron formation. Recent mapping by the Geological"]
[211,21,"Survey of Canada suggests that the Hackett River and the Back"]
[211,22,"volcanic belts, which are generally spatially separate, may be"]
[211,23,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[211,24,"four periods of deformation have affected the Yellowknife"]
[211,25,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[211,26,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[211,27,"formation deposition have been identified within the Back and"]
[211,28,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[211,29,"iron formations are believed to be equivalent stratigraphically to"]
[211,30,"the uppermost iron formations in the Beechey Lake Group."]
[212,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[212,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[212,3,"interbedded with iron formation and are steeply dipping. The iron"]
[212,4,"formation consists mainly of magnetite and chert and is of the"]
[212,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[212,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[212,7,"greywackes have been intruded by sill like bodies of Archean"]
[212,8,"felsite. These sills are generally 1-3 m wide with the exception of"]
[212,9,"one at the NW end of George Lake which is up to 130 m wide and 2.3"]
[212,10,"km long.   The sedimentary rocks and the iron formations of the"]
[212,11,"Beechey Lake Group as well as the Aphebian Goulburn Group sediments"]
[212,12,"have been cut by numerous NNW trending Helikian gabbroic dykes."]
[212,13,"Approximately 50% of the Precambrian rocks of the George Lake area"]
[212,14,"are mantled by quaternary glacial material.  The metamorphic grade"]
[212,15,"of the Beechey Lake Group in the George Lake area is lower to"]
[212,16,"middle greenschist.  The George Lake area has been subject to an"]
[212,17,"increasing scale of exploration since 1982. The area has been"]
[212,18,"prospected, mapped, trenched, sampled and drilled as well as having"]
[212,19,"airborne geophysics and detailed ground geophysics done.   In the"]
[212,20,"George Lake area, iron formations within Beechey Lake sedimentary"]
[212,21,"rocks strike northwest. This 16 km long and 2.5 km wide iron"]
[212,22,"formation/sediment sequence has three major oxide iron formation"]
[212,23,"belts identified within it. These belts are: the George Lake belt,"]
[212,24,"the Fold Nose belt and the Lookout Hill belt.  Rifle Lake is in the"]
[212,25,"SW section of the George Lake area, on the Eastern side of the"]
[212,26,"Lookout Hill Belt, approximately 9.2 km from then George Lake Camp"]
[212,27,"(SW shore of George Lake)."]
[213,1,"Maps 6601-31 & 32 from assessment report 082117 show the three main"]
[213,2,"belts as well as the main mineral occurences and their locations."]
[213,3,"The Rifle Lake area has been subject to a variety of exploration"]
[213,4,"activity since 1984 including reconnaissance and detailed"]
[213,5,"prospecting, sampling, mapping, geophysics (ground and airborne),"]
[213,6,"and diamond drilling.  The main concentration of exploration is in"]
[213,7,"the NW section of the Rifle Lake area on the western shore of Long"]
[213,8,"Lake where a thick oxide iron formation and a chlorite greywacke-"]
[213,9,"siliceous unit are well folded forming a SE plunging syncline. Fold"]
[213,10,"closures have an average plunge of 65 degrees SE. The oxide"]
[213,11,"formation is 12-60 m thick and is well banded with magnetite, chert,"]
[213,12,"grunerite and carbonate.   The chlorite greywacke-siliceous unit"]
[213,13,"is stratigraphically below the oxide iron formation. It has"]
[213,14,"discontinuous gold bearing siliceous layers and the iron formation"]
[213,15,"is up to 12 m wide. Fine grained disseminated pyrite is present in"]
[213,16,"the siliceous layers. In the siliceous-greywacke unit white quartz"]
[213,17,"and quartz carbonate veins to 1 m wide cut subparallel to parallel"]
[213,18,"to strike. Arsenopyrite to 10% is found along the margins of some"]
[213,19,"veins. Locally visible gold is noted in and along quartz vein"]
[213,20,"margins. Samples with the highest gold values come from the"]
[213,21,"siliceous layers.  Sampling results: One 1984 composite grab sample"]
[213,22,"assayed at 0.90 g Au/t over 0.5 m In 1986 a rock grab sample ran 80."]
[213,23,"61 g/t Au and a chip sample had a cut grade of 15.52 g/t Au over 3."]
[213,24,"26 m. As well 9 samples had assays over 10 g/t Au, 5 were between 3"]
[213,25,"& 10 g/t Au and 11 samples assayed between 0.5 and 3 g/t Au. 1987"]
[213,26,"sampling of the interbedded silicate iron formation yeilded assays"]
[213,27,"of 8.00 g/t Au over 5.15 m: 3.32 g/t Au over 4.7 m and 1.61 g/t Au"]
[213,28,"over 2.7 m. The 1988 drilling and sampling of the greywacke-"]
[213,29,"siliceous unit produced drill core samples of 0.95 g/t Au over 1.2"]
[213,30,"m: 1.91 g/t Au over 2.99 m and 5.72 g/t Au over 0.85 m."]
[214,1,"The Komatik Lake Showing is in the SW section of the George Lake"]
[214,2,"area. The George Lake area lies within the northeastern portion of"]
[214,3,"the Archean Slave Structural Province. The region is bordered by"]
[214,4,"the Aphebian age Bear Structural Province to the west, and the Rae"]
[214,5,"Structural Province to the east. The principal underlying"]
[214,6,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[214,7,"consist mainly of volcanics and metasediments. Archean intrusive"]
[214,8,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[214,9,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[214,10,"Goulburn Group unconformably overlie the Archean rocks locally."]
[214,11,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[214,12,"the older lithologies.  The George Lake Area is within the Back"]
[214,13,"River region. The Yellowknife Supergroup in the property area is"]
[214,14,"divided informally into three major sequences.  The Back Group is"]
[214,15,"the lowest sequence and is comprised of felsic to intermediate"]
[214,16,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[214,17,"Back and consists of  volcanic flows that range from felsic to"]
[214,18,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[214,19,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[214,20,"greywacke, mudstone and iron formation. Recent mapping by the"]
[214,21,"Geological Survey of Canada suggests that the Hackett River and the"]
[214,22,"Back volcanic belts, which are generally spatially separate, may be"]
[214,23,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[214,24,"four periods of deformation have affected the Yellowknife"]
[214,25,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[214,26,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[214,27,"formation deposition have been identified within the Back and"]
[214,28,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[214,29,"iron formations are believed to be equivalent stratigraphically to"]
[214,30,"the uppermost iron formations in the Beechey Lake Group."]
[215,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[215,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[215,3,"interbedded with iron formation and are steeply dipping. The iron"]
[215,4,"formation consists mainly of magnetite and chert and is of the"]
[215,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[215,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[215,7,"greywackes have been intruded by sill like bodies of Archean"]
[215,8,"felsite. These sills are generally 1-3 m wide with the exception of"]
[215,9,"one at the NW end of George Lake which is up to 130 m wide and 2.3"]
[215,10,"km long.   The sedimentary rocks and the iron formations of the"]
[215,11,"Beechey Lake Group as well as the Aphebian Goulburn Group sediments"]
[215,12,"have been cut by numerous NNW trending Helikian gabbroic dykes."]
[215,13,"Approximately 50% of the Precambrian rocks of the George Lake area"]
[215,14,"are mantled by quaternary glacial material.  The metamorphic grade"]
[215,15,"of the Beechey Lake Group in the George Lake area is lower to"]
[215,16,"middle greenschist.  In the George Lake area, iron formations"]
[215,17,"within Beechey Lake sedimentary rocks strike northwest. This 16 km"]
[215,18,"long and 2.5 km wide iron formation/sediment sequence has three"]
[215,19,"major oxide iron formation belts identified within it. These belts"]
[215,20,"are: the George Lake belt, the Fold Nose belt and the Lookout Hill"]
[215,21,"belt.  Komatik Lake is in the SW section of the George Lake area,"]
[215,22,"on the west side of the George Lake Belt, approximately 6.8 km from"]
[215,23,"the George Lake Camp (SW shore of George Lake). The Komatik Lake"]
[215,24,"area has had the following work done: prospecting, mapping,"]
[215,25,"sampling and in 1985 a Digham airborne geophysical survey was done"]
[215,26,"as part of the George Lake area. The airborne survey shows a 1.2 km"]
[215,27,"long shear related AEM conductor in the Komatik Lake area."]
[216,1,"Maps 6601-31 & 32 from assessment report 082117 show the three main"]
[216,2,"belts of the George Lake area as well as the main mineral"]
[216,3,"occurences and their locations.   The Komatic Lake showing is"]
[216,4,"within a NW trending subvertical greywacke and mudstone sequence"]
[216,5,"that is cut by NW trending intermediate composition porphyritic"]
[216,6,"dykes. The greywacke and mudstone are sheared subparallel to"]
[216,7,"bedding. A narrow gold and sulphide bearing (0.5 m wide) quartz"]
[216,8,"vein which has a strike length of approximately 50 m is within the"]
[216,9,"sheared mudstone unit.  Locally the quartz vein has ( by volume) up"]
[216,10,"to 10% arsenopyrite, 5% pyrite and 3% galena. Trace sulphides are"]
[216,11,"present in the dykes but are restricted to widely spaced"]
[216,12,"crosscutting quartz veins.  In 1987 a grab sample of 33.60 g/t Au"]
[216,13,"was assayed from a quartz vein with 10% arsenopyrite, 5% pyrite and"]
[216,14,"trace galena. A quartz vein sample with 3% pyrite, 3% galena and"]
[216,15,"trace arsenopyrite assayed 4.9 g/t Au and a quartz vein sample with"]
[216,16,"no sulphides assayed 0.69 g/t  Au.  In 1988  follow up sampling was"]
[216,17,"done. Of nine samples taken, all assayed less than or equal to 0.82"]
[216,18,"g Au/t."]
[217,1,"The Mouse showing is in the SW section of the George Lake area. The"]
[217,2,"George Lake area lies within the northeastern portion of the"]
[217,3,"Archean Slave Structural Province. The region is bordered by the"]
[217,4,"Aphebian age Bear Structural Province to the west, and the Rae"]
[217,5,"Structural Province to the east. The principal underlying"]
[217,6,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[217,7,"consist mainly of volcanics and metasediments. Archean intrusive"]
[217,8,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[217,9,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[217,10,"Goulburn Group unconformably overlie the Archean rocks locally."]
[217,11,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[217,12,"the older lithologies.  The George Lake Area is within the Back"]
[217,13,"River region. The Yellowknife Supergroup in the property area is"]
[217,14,"divided informally into three major sequences.  The Back Group is"]
[217,15,"the lowest sequence and is comprised of felsic to intermediate"]
[217,16,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[217,17,"Back and consists of  volcanic flows that range from felsic to"]
[217,18,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[217,19,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[217,20,"greywacke, mudstone and iron formation. Recent mapping by the"]
[217,21,"Geological Survey of Canada suggests that the Hackett River and the"]
[217,22,"Back volcanic belts, which are generally spatially separate, may be"]
[217,23,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[217,24,"four periods of deformation have affected the Yellowknife"]
[217,25,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[217,26,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[217,27,"formation deposition have been identified within the Back and"]
[217,28,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[217,29,"iron formations are believed to be equivalent stratigraphically to"]
[217,30,"the uppermost iron formations in the Beechey Lake Group."]
[218,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[218,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[218,3,"interbedded with iron formation and are steeply dipping. The iron"]
[218,4,"formation consists mainly of magnetite and chert and is of the"]
[218,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[218,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[218,7,"greywackes have been intruded by sill like bodies of Archean"]
[218,8,"felsite. These sills are generally 1-3 m wide with the exception of"]
[218,9,"one at the NW end of George Lake which is up to 130 m wide and 2.3"]
[218,10,"km long.   The sedimentary rocks and the iron formations of the"]
[218,11,"Beechey Lake Group as well as the Aphebian Goulburn Group sediments"]
[218,12,"have been cut by numerous NNW trending Helikian gabbroic dykes."]
[218,13,"Approximately 50% of the Precambrian rocks of the George Lake area"]
[218,14,"are mantled by quaternary glacial material.  The metamorphic grade"]
[218,15,"of the Beechey Lake Group in the George Lake area is lower to"]
[218,16,"middle greenschist.  In the George Lake area, iron formations"]
[218,17,"within Beechey Lake sedimentary rocks strike northwest. This 16 km"]
[218,18,"long and 2.5 km wide iron formation/sediment sequence has three"]
[218,19,"major oxide iron formation belts identified within it. These belts"]
[218,20,"are: the George Lake belt, the Fold Nose belt and the Lookout Hill"]
[218,21,"belt.  The Mouse showing is in the SW section of the George Lake"]
[218,22,"area, on the west side of the George Lake Belt, approximately 7.5"]
[218,23,"km from the George Lake Camp (SW shore of George Lake). The Mouse"]
[218,24,"area has had the following work done: prospecting, mapping,"]
[218,25,"sampling, ground geophysics and in 1985 a Digham airborne"]
[218,26,"geophysical survey was done as part of the George Lake area."]
[219,1,"The Mouse showing is a NW striking sequence of mudstone and iron"]
[219,2,"formation that exists between two gabbroic dykes. The Mouse showing"]
[219,3,"is  a sulphide and gold bearing amphibole-chert-chlorite iron"]
[219,4,"formation that locally has up to 10% volume pyrite and trace to 5%"]
[219,5,"arsenopyrite.  Quartz veins crosscut the iron formation and"]
[219,6,"mudstone sequence. The iron formation has a strike length of"]
[219,7,"approximately 165 m.  One assay from 1984 gave a gold value of 33."]
[219,8,"09 g/t over 2 m.  In 1985 a composite sample assayed at 2.5 g/t Au"]
[219,9,"over 1.2 m and a grab sample had a gold value off 2.5 g/t."]
[220,1,"The Bullwinkle showing is in the SW section of the George Lake area."]
[220,2,"The George Lake area lies within the northeastern portion of the"]
[220,3,"Archean Slave Structural Province. The region is bordered by the"]
[220,4,"Aphebian age Bear Structural Province to the west, and the Rae"]
[220,5,"Structural Province to the east. The principal underlying"]
[220,6,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[220,7,"consist mainly of volcanics and metasediments. Archean intrusive"]
[220,8,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[220,9,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[220,10,"Goulburn Group unconformably overlie the Archean rocks locally."]
[220,11,"Intrusive rocks of Hudsonian age and younger  diabase dykes"]
[220,12,"crosscut the older lithologies.  The George Lake Area is within the"]
[220,13,"Back River region. The Yellowknife Supergroup in the property area"]
[220,14,"is divided informally into three major sequences.  The Back Group"]
[220,15,"is the lowest sequence and is comprised of felsic to intermediate"]
[220,16,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[220,17,"Back and consists of  volcanic flows that range from felsic to"]
[220,18,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[220,19,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[220,20,"greywacke, mudstone and iron formation. Recent mapping by the"]
[220,21,"Geological Survey of Canada suggests that the Hackett River and the"]
[220,22,"Back volcanic belts, which are generally spatially separate, may be"]
[220,23,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[220,24,"four periods of deformation have affected the Yellowknife"]
[220,25,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[220,26,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[220,27,"formation deposition have been identified within the Back and"]
[220,28,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[220,29,"iron formations are believed to be equivalent stratigraphically to"]
[220,30,"the uppermost iron formations in the Beechey Lake Group."]
[221,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[221,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[221,3,"interbedded with iron formation and are steeply dipping. The iron"]
[221,4,"formation consists mainly of magnetite and chert and is of the"]
[221,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[221,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[221,7,"greywackes have been intruded by sill like bodies of Archean"]
[221,8,"felsite. These sills are generally 1-3 m wide with the exception of"]
[221,9,"one at the NW end of George Lake which is up to 130 m wide and 2.3"]
[221,10,"km long.   The sedimentary rocks and the iron formations of the"]
[221,11,"Beechey Lake Group as well as the Aphebian Goulburn Group sediments"]
[221,12,"have been cut by numerous NNW trending Helikian gabbroic dykes."]
[221,13,"Approximately 50% of the Precambrian rocks of the George Lake area"]
[221,14,"are mantled by quaternary glacial material.  The metamorphic grade"]
[221,15,"of the Beechey Lake Group in the George Lake area is lower to"]
[221,16,"middle greenschist.  In the George Lake area, iron formations"]
[221,17,"within Beechey Lake sedimentary rocks strike northwest. This 16 km"]
[221,18,"long and 2.5 km wide iron formation/sediment sequence has three"]
[221,19,"major oxide iron formation belts identified within it. These belts"]
[221,20,"are: the George Lake belt, the Fold Nose belt and the Lookout Hill"]
[221,21,"belt."]
[222,1,"The Bullwinkle Lake showing is in the SW section of the George Lake"]
[222,2,"area, within the Fold Nose belt, approximately 9 km from the George"]
[222,3,"Lake Camp (SW shore of George Lake). The Bullwinkle area has had"]
[222,4,"the following work done: prospecting, mapping, sampling, and in"]
[222,5,"1985 a Digham airborne geophysical survey was done as part of the"]
[222,6,"George Lake area.   Both silicate and oxide iron formations are"]
[222,7,"present within the Bullwinkle Lake showing.  In 1986 a rock chip"]
[222,8,"sample of oxide iron formation with arsenopyrite, pyrite and a"]
[222,9,"crosscutting quartz vein assayed at 6.51 g/t Au over 0.2 m.  Along"]
[222,10,"strike of this sample a composite grab sample yeilded an assay of 0."]
[222,11,"82 g/t Au over 2 m.   A silicate iron formation 200 m SW of Rifle"]
[222,12,"Lake outcrops on the east side of a gabbro dyke and is undr 2 m"]
[222,13,"wide. A grab sample from this iron formation assayed at 6.0 g/t Au."]
[222,14,"On the west side of the dyke (250 m SE) the silicate iron formation"]
[222,15,"has a strike length of approximately 10 m and is comprised of chert"]
[222,16,"and chloritic greywacke. A sample containing arsenopyrite and"]
[222,17,"pyrite assays at 2.81 g/t Au.  An oxide iron formation has trace"]
[222,18,"amounts pyrite and assays of grab rock samples range from 0.45 g/t"]
[222,19,"Au to 1.89 g/t Au.  A silicate iron formation to the NE of"]
[222,20,"Bullwinkle Lake parallels the SW edge of a large gabbroic dyke."]
[222,21,"This iron formation has up to 50 volume percent arsenopyrite, 5%"]
[222,22,"pyrite and vein quartz. One assay gave a gold value of 19.89 g/t."]
[223,1,"The Takrark Lake showing is in the SW section of the George Lake"]
[223,2,"area. The George Lake area lies within the northeastern portion of"]
[223,3,"the Archean Slave Structural Province. The region is bordered by"]
[223,4,"the Aphebian age Bear Structural Province to the west, and the Rae"]
[223,5,"Structural Province to the east. The principal underlying"]
[223,6,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[223,7,"consist mainly of volcanics and metasediments. Archean intrusive"]
[223,8,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[223,9,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[223,10,"Goulburn Group unconformably overlie the Archean rocks locally."]
[223,11,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[223,12,"the older lithologies.  The George Lake Area is within the Back"]
[223,13,"River region. The Yellowknife Supergroup in the property area is"]
[223,14,"divided informally into three major sequences.  The Back Group is"]
[223,15,"the lowest sequence and is comprised of felsic to intermediate"]
[223,16,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[223,17,"Back and consists of  volcanic flows that range from felsic to"]
[223,18,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[223,19,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[223,20,"greywacke, mudstone and iron formation. Recent mapping by the"]
[223,21,"Geological Survey of Canada suggests that the Hackett River and the"]
[223,22,"Back volcanic belts, which are generally spatially separate, may be"]
[223,23,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[223,24,"four periods of deformation have affected the Yellowknife"]
[223,25,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[223,26,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[223,27,"formation deposition have been identified within the Back and"]
[223,28,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[223,29,"iron formations are believed to be equivalent stratigraphically to"]
[223,30,"the uppermost iron formations in the Beechey Lake Group."]
[224,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[224,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[224,3,"interbedded with iron formation and are steeply dipping. The iron"]
[224,4,"formation consists mainly of magnetite and chert and is of the"]
[224,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[224,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[224,7,"greywackes have been intruded by sill like bodies of Archean"]
[224,8,"felsite. These sills are generally 1-3 m wide with the exception of"]
[224,9,"one at the NW end of George Lake which is up to 130 m wide and 2.3"]
[224,10,"km long.   The sedimentary rocks and the iron formations of the"]
[224,11,"Beechey Lake Group as well as the Aphebian Goulburn Group sediments"]
[224,12,"have been cut by numerous NNW trending Helikian gabbroic dykes."]
[224,13,"Approximately 50% of the Precambrian rocks of the George Lake area"]
[224,14,"are mantled by quaternary glacial material.  The metamorphic grade"]
[224,15,"of the Beechey Lake Group in the George Lake area is lower to"]
[224,16,"middle greenschist.  In the George Lake area, iron formations"]
[224,17,"within Beechey Lake sedimentary rocks strike northwest. This 16 km"]
[224,18,"long and 2.5 km wide iron formation/sediment sequence has three"]
[224,19,"major oxide iron formation belts identified within it. These belts"]
[224,20,"are: the George Lake belt, the Fold Nose belt and the Lookout Hill"]
[224,21,"belt."]
[225,1,"The Takrark Lake showing is in the SW section of the George Lake"]
[225,2,"area, within the Fold Nose belt, approximately 5.4 km from the"]
[225,3,"George Lake Camp (SW shore of George Lake). The Takrark Lake area"]
[225,4,"has had the following work done: prospecting, mapping, sampling,"]
[225,5,"and in 1985 a Digham airborne geophysical survey was done as part"]
[225,6,"of the George Lake area.   The Takrark Lake area gold bearing oxide"]
[225,7,"iron formation has discontinuous outcropppings that range from 7 to"]
[225,8,"20 m in width. Quartz veins crosscut the iron formation. The iron"]
[225,9,"formation contacts mudstone to the east and greywacke and a"]
[225,10,"gabbroic dyke to the west. The iron formation is a gold and"]
[225,11,"arsenopyrite-pyrite, chlorite magnetite chert iron formation that"]
[225,12,"has up to 50% coarse grained arsenopyrite and 2-10% pyrite. Visible"]
[225,13,"gold is associated with quartz veining as well as with arsenopyrite,"]
[225,14,"pyrite and chlorite.  In 1984 two samples 12 m apart along strike"]
[225,15,"yeilded assays of 16.63 g/t Au over 4m and 86.85 g/t Au over 0.3 m."]
[225,16,"In 1986 a chip sample assayed at 40.36 g/t Au over 1.4 m (32.34/1."]
[225,17,"4 m cut grade), 30 m to the SE a grab sample of arsenopyrite and"]
[225,18,"quartz vein assayed at 10.18 g/t Au.  The highest gold value from"]
[225,19,"1988 sampling was a grab sample with vein quartz, arsenopyrite and"]
[225,20,"pyrite. This sample assayed at 30.93 g/t Au."]
[226,1,"The 4LBZ005 showing is in the SW section of the George Lake area"]
[226,2,"which  lies within the northeastern portion of the Archean Slave"]
[226,3,"Structural Province. This showing is located within the Lookout"]
[226,4,"Hill belt, approximately 10.8 km from the George Lake Camp (SW"]
[226,5,"shore of George Lake). The 4LBZ005 area has had the following work"]
[226,6,"done: prospecting, mapping, sampling, and in 1985 a Digham airborne"]
[226,7,"geophysical survey was done as part of the George Lake area.   One"]
[226,8,"sample was taken from the 4LBZ005 arsenopyrite-pyrite bearing"]
[226,9,"amphibole-chert-chlorite iron formation. This iron formation is"]
[226,10,"well banded and contains up to 5 volume percent coarse grained"]
[226,11,"arsenopyrite and 5% disseminated pyrite. Quartz veins are present"]
[226,12,"in the vicinity. This iron formation has an exposed strike length"]
[226,13,"of approximately 20 m and a gold bearing zone 0.8 m wide. One"]
[226,14,"sample was taken and assayed at 12.82 g Au/t over 0.8 m. in 1984."]
[227,1,"The West Rapids showing lies within the northeastern portion of the"]
[227,2,"Archean Slave Structural Province. The principal underlying"]
[227,3,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[227,4,"consist mainly of volcanics and metasediments.  The Western Rapids"]
[227,5,"showing is in the Southern section of the George Lake area, along"]
[227,6,"strike of the Fold Nose belt, approximately 11.3 km from the George"]
[227,7,"Lake Camp (SW shore of George Lake). The Western Rapids area has"]
[227,8,"had reconnaissance sampling and, in 1985 a Digham airborne"]
[227,9,"geophysical survey was done as part of the George Lake area.   The"]
[227,10,"Western Rapids oxide iron formation is a small outcropping that is"]
[227,11,"cut by a 0.5 m wide quartz vein that has arsenopyrite, pyrite and"]
[227,12,"graphite along the margins. In 1983 a composite rock sample assayed"]
[227,13,"0.3 g/t Au across 4.0 m (Conkin et al, 1988). Sampling from 1988"]
[227,14,"yeilded assayes up to 28.18 g/t Au."]
[228,1,"The Oar Lake showing is in the Southern section of the George Lake"]
[228,2,"area. The George Lake area lies within the northeastern portion of"]
[228,3,"the Archean Slave Structural Province. The region is bordered by"]
[228,4,"the Aphebian age Bear Structural Province to the west, and the Rae"]
[228,5,"Structural Province to the east. The principal underlying"]
[228,6,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[228,7,"consist mainly of volcanics and metasediments. Archean intrusive"]
[228,8,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[228,9,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[228,10,"Goulburn Group unconformably overlie the Archean rocks locally."]
[228,11,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[228,12,"the older lithologies.  The George Lake Area is within the Back"]
[228,13,"River region. The Yellowknife Supergroup in the property area is"]
[228,14,"divided informally into three major sequences.  The Back Group is"]
[228,15,"the lowest sequence and is comprised of felsic to intermediate"]
[228,16,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[228,17,"Back and consists of  volcanic flows that range from felsic to"]
[228,18,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[228,19,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[228,20,"greywacke, mudstone and iron formation. Recent mapping by the"]
[228,21,"Geological Survey of Canada suggests that the Hackett River and the"]
[228,22,"Back volcanic belts, which are generally spatially separate, may be"]
[228,23,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[228,24,"four periods of deformation have affected the Yellowknife"]
[228,25,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[228,26,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[228,27,"formation deposition have been identified within the Back and"]
[228,28,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[228,29,"iron formations are believed to be equivalent stratigraphically to"]
[228,30,"the uppermost iron formations in the Beechey Lake Group."]
[229,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[229,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[229,3,"interbedded with iron formation and are steeply dipping. The iron"]
[229,4,"formation consists mainly of magnetite and chert and is of the"]
[229,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[229,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[229,7,"greywackes have been intruded by sill like bodies of Archean"]
[229,8,"felsite. These sills are generally 1-3 m wide with the exception of"]
[229,9,"one at the NW end of George Lake which is up to 130 m wide and 2.3"]
[229,10,"km long.   The sedimentary rocks and the iron formations of the"]
[229,11,"Beechey Lake Group as well as the Aphebian Goulburn Group sediments"]
[229,12,"have been cut by numerous NNW trending Helikian gabbroic dykes."]
[229,13,"Approximately 50% of the Precambrian rocks of the George Lake area"]
[229,14,"are mantled by quaternary glacial material.  The metamorphic grade"]
[229,15,"of the Beechey Lake Group in the George Lake area is lower to"]
[229,16,"middle greenschist.  In the George Lake area, iron formations"]
[229,17,"within Beechey Lake sedimentary rocks strike northwest. This 16 km"]
[229,18,"long and 2.5 km wide iron formation/sediment sequence has three"]
[229,19,"major oxide iron formation belts identified within it. These belts"]
[229,20,"are: the George Lake belt, the Fold Nose belt and the Lookout Hill"]
[229,21,"belt."]
[230,1,"The Oar Lake showing is in the southern section of the George Lake"]
[230,2,"area, along strike of the Lookout Hill belt, approximately 12.4 km"]
[230,3,"from the George Lake Camp (SW shore of George Lake). The Showing"]
[230,4,"outcrops at the NW end of Oar Lake. The Oar Lake area has had"]
[230,5,"reconnaissance sampling, mapping, trenching, drilling and, in 1985"]
[230,6,"a Digham airborne geophysical survey was done as part of the George"]
[230,7,"Lake area.   The Oar Lake gold bearing zone occurs in a pyrite"]
[230,8,"bearing iron formation that is interbedded with a chert-chlorite-"]
[230,9,"carbonate iron formation and mudstone sequence. The iron formation"]
[230,10,"contains crosscutting quartz veins, minor folds and faults. To the"]
[230,11,"south and east of the showing the Archean-Aphebian unconformity"]
[230,12,"outcrops.  In 1983 a composite grab sample of a arsenopyrite and"]
[230,13,"pyrite bearing felsenmeer boulder assayed at 27.91 g/t Au across 0."]
[230,14,"5 m (Burlet et al, 1984). In 1984 a trench was excavated, exposing"]
[230,15,"a 1.32 m wide pyrite bearing iron formation with localized"]
[230,16,"arsenopyrite. An assay of 2.19 g/t Au over 1.32 m was recovered"]
[230,17,"from the trench. Approximately 180 m NW of the trench along strike"]
[230,18,"of the iron formation an assay of 10.05 g/t Au across 1 m was"]
[230,19,"recovered.  In 1985 the Oar Lake showing had airborne and ground"]
[230,20,"geophysical surveys  done as well as 168.86 m of drilling in two"]
[230,21,"diamond drill holes."]
[231,1,"Ground magnetic anomalies coincide with surface exposures of oxide,"]
[231,2,"silicate and sulphidic iron formations at Oar Lake.  A VLF-EM"]
[231,3,"conductor is coincident  with the iron formation in the trenched"]
[231,4,"area.  The airborne magnetics, enhanced magnetics and VLF-EM"]
[231,5,"results indicate that the Oar Lake iron formation continues beneath"]
[231,6,"Oar Lake to the SE, but it is dextrally offset by approximately"]
[231,7,"110m by a NE trending fault.   Two drill holes totalling 168.86 m"]
[231,8,"were drilled. DDH 5B030 was drilled to test the down dip extension"]
[231,9,"of the previously trenched area. This DDH intersected the gold"]
[231,10,"bearing iron formation and assayed up to 4.39 g/t Au over 0.41 m"]
[231,11,"core length. DDH 5B031 was drilled to test the strike and down dip"]
[231,12,"extension of the gold bearing zone that assayed 10.05 across 1m g/t"]
[231,13,"Au. This DDH intersected the iron formation and an assay of 0.95 g/"]
[231,14,"t Au across 2.63 m core length was recovered."]
[232,1,"The Shadow Pond showing is in the eastern section of the George"]
[232,2,"Lake area. The George Lake area lies within the northeastern"]
[232,3,"portion of the Archean Slave Structural Province. The region is"]
[232,4,"bordered by the Aphebian age Bear Structural Province to the west,"]
[232,5,"and the Rae Structural Province to the east. The principal"]
[232,6,"underlying supracrustal rocks belong to the Archean Yellowknife"]
[232,7,"Supergroup and consist mainly of volcanics and metasediments."]
[232,8,"Archean intrusive and metamorphic rocks also underlie the region."]
[232,9,"Early Proterozoic (Aphebian) clastic sedimentary and carbonate"]
[232,10,"sequences of the Goulburn Group unconformably overlie the Archean"]
[232,11,"rocks locally. Intrusive rocks of Hudsonian age and younger diabase"]
[232,12,"dykes crosscut the older lithologies.  The George Lake Area is"]
[232,13,"within the Back River region. The Yellowknife Supergroup in the"]
[232,14,"property area is divided informally into three major sequences."]
[232,15,"The Back Group is the lowest sequence and is comprised of felsic to"]
[232,16,"intermediate flows, tuffs and breccias. The Hackett River Group"]
[232,17,"overlies the Back and consists of  volcanic flows that range from"]
[232,18,"felsic to mafic, as well as tuffs and chemical sediments. The"]
[232,19,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[232,20,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[232,21,"by the Geological Survey of Canada suggests that the Hackett River"]
[232,22,"and the Back volcanic belts, which are generally spatially separate,"]
[232,23,"may be coeval in their upper parts (Williamson and Olson, 1990)."]
[232,24,"At least four periods of deformation have affected the Yellowknife"]
[232,25,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[232,26,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[232,27,"formation deposition have been identified within the Back and"]
[232,28,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[232,29,"iron formations are believed to be equivalent stratigraphically to"]
[232,30,"the uppermost iron formations in the Beechey Lake Group."]
[233,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[233,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[233,3,"interbedded with iron formation and are steeply dipping. The iron"]
[233,4,"formation consists mainly of magnetite and chert and is of the"]
[233,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[233,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[233,7,"greywackes have been intruded by sill like bodies of Archean"]
[233,8,"felsite. These sills are generally 1-3 m wide with the exception of"]
[233,9,"one at the NW end of George Lake which is up to 130 m wide and 2.3"]
[233,10,"km long.   The sedimentary rocks and the iron formations of the"]
[233,11,"Beechey Lake Group as well as the Aphebian Goulburn Group sediments"]
[233,12,"have been cut by numerous NNW trending Helikian gabbroic dykes."]
[233,13,"Approximately 50% of the Precambrian rocks of the George Lake area"]
[233,14,"are mantled by quaternary glacial material.  The metamorphic grade"]
[233,15,"of the Beechey Lake Group in the George Lake area is lower to"]
[233,16,"middle greenschist.  In the George Lake area, iron formations"]
[233,17,"within Beechey Lake sedimentary rocks strike northwest. This 16 km"]
[233,18,"long and 2.5 km wide iron formation/sediment sequence has three"]
[233,19,"major oxide iron formation belts identified within it. These belts"]
[233,20,"are: the George Lake belt, the Fold Nose belt and the Lookout Hill"]
[233,21,"belt."]
[234,1,"The Shadow Pond showing is in the eastern section of the George"]
[234,2,"Lake area, along strike of the Lookout Hill belt, approximately 3.4"]
[234,3,"km NE of the George Lake Camp (SW shore of George Lake). The Shadow"]
[234,4,"Pond area has had reconnaissance sampling, mapping at a 1:10,000"]
[234,5,"scale, and, in 1985 a Digham airborne geophysical survey was done"]
[234,6,"as part of the George Lake area.   The Shadow Pond silicate iron"]
[234,7,"formation is approximately 6 m wide and consists of interbedded"]
[234,8,"chloritic silicate iron formation, chert and chloritic greywacke."]
[234,9,"Widely spaced crosscutting quartz veins are associated with all"]
[234,10,"anomalous gold values. Arsenopyrite and pyrite occur in zones (up"]
[234,11,"to 1 m wide) that parallel the margins of the quartz veins. In 1986"]
[234,12,"reconnaissance one grab sample yeilded an assay of 18.10 g/t Au and"]
[234,13,"a composite grab sample had an assay of 6.17 g/t Au over 6 m."]
[234,14,"Samples collected between the quartz veins have little to no"]
[234,15,"visible sulphides and assayed less than 1.00 g/t Au.  An oxide iron"]
[234,16,"formation that has lenses of carbonate-magnetite-chert iron"]
[234,17,"formation outcrops approximately 180 m SE of Shadow Pond. The"]
[234,18,"carbonate rich portions of the iron formation are associated with"]
[234,19,"disseminated to finely layered pyrite beds. A composite grab sample"]
[234,20,"had an assay of 0.38 g/t Au over 3 m. In 1988 a grab sample from"]
[234,21,"this outcrop assayed at 1.03 g/t Au."]
[235,1,"The Lookout Hill showing is in the eastern section of the George"]
[235,2,"Lake area. The George Lake area lies within the northeastern"]
[235,3,"portion of the Archean Slave Structural Province. The region is"]
[235,4,"bordered by the Aphebian age Bear Structural Province to the west,"]
[235,5,"and the Rae Structural Province to the east. The principal"]
[235,6,"underlying supracrustal rocks belong to the Archean Yellowknife"]
[235,7,"Supergroup and consist mainly of volcanics and metasediments."]
[235,8,"Archean intrusive and metamorphic rocks also underlie the region."]
[235,9,"Early Proterozoic (Aphebian) clastic sedimentary and carbonate"]
[235,10,"sequences of the Goulburn Group unconformably overlie the Archean"]
[235,11,"rocks locally. Intrusive rocks of Hudsonian age and younger diabase"]
[235,12,"dykes crosscut the older lithologies.  The George Lake Area is"]
[235,13,"within the Back River region. The Yellowknife Supergroup in the"]
[235,14,"property area is divided informally into three major sequences."]
[235,15,"The Back Group is the lowest sequence and is comprised of felsic to"]
[235,16,"intermediate flows, tuffs and breccias. The Hackett River Group"]
[235,17,"overlies the Back and consists of  volcanic flows that range from"]
[235,18,"felsic to mafic, as well as tuffs and chemical sediments. The"]
[235,19,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[235,20,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[235,21,"by the Geological Survey of Canada suggests that the Hackett River"]
[235,22,"and the Back volcanic belts, which are generally spatially separate,"]
[235,23,"may be coeval in their upper parts (Williamson and Olson, 1990)."]
[235,24,"At least four periods of deformation have affected the Yellowknife"]
[235,25,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[235,26,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[235,27,"formation deposition have been identified within the Back and"]
[235,28,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[235,29,"iron formations are believed to be equivalent stratigraphically to"]
[235,30,"the uppermost iron formations in the Beechey Lake Group."]
[236,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[236,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[236,3,"interbedded with iron formation and are steeply dipping. The iron"]
[236,4,"formation consists mainly of magnetite and chert and is of the"]
[236,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[236,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[236,7,"greywackes have been intruded by sill like bodies of Archean"]
[236,8,"felsite. These sills are generally 1-3 m wide with the exception of"]
[236,9,"one at the NW end of George Lake which is up to 130 m wide and 2.3"]
[236,10,"km long.   The sedimentary rocks and the iron formations of the"]
[236,11,"Beechey Lake Group as well as the Aphebian Goulburn Group sediments"]
[236,12,"have been cut by numerous NNW trending Helikian gabbroic dykes."]
[236,13,"Approximately 50% of the Precambrian rocks of the George Lake area"]
[236,14,"are mantled by quaternary glacial material.  The metamorphic grade"]
[236,15,"of the Beechey Lake Group in the George Lake area is lower to"]
[236,16,"middle greenschist.  In the George Lake area, iron formations"]
[236,17,"within Beechey Lake sedimentary rocks strike northwest. This 16 km"]
[236,18,"long and 2.5 km wide iron formation/sediment sequence has three"]
[236,19,"major oxide iron formation belts identified within it. These belts"]
[236,20,"are: the George Lake belt, the Fold Nose belt and the Lookout Hill"]
[236,21,"belt."]
[237,1,"The Lookout Hill showing is in the eastern section of the George"]
[237,2,"Lake area, along strike of the Lookout Hill belt, approximately 2"]
[237,3,"km NE of the George Lake Camp (SW shore of George Lake). The"]
[237,4,"Lookout Hill area has had reconnaissance sampling, mapping,"]
[237,5,"drilling and, in 1985 a Digham airborne geophysical survey was done"]
[237,6,"as part of the George Lake area.   The Lookout Hill sediments are"]
[237,7,"comprised of a subvertical sequence of greywacke, siliceous"]
[237,8,"greywacke, mudstone, iron formation and a siliceous unit. These"]
[237,9,"sediments are tightly folded in a large syncline that plunges 38"]
[237,10,"degrees southeast and is offset by three steeply dipping faults."]
[237,11,"The well banded iron formation consists of carbonate, amphibole,"]
[237,12,"magnetite, chlorite and chert. Along the east arm, and in"]
[237,13,"particular, the fold nose of the iron formation the carbonate"]
[237,14,"content is higher than in other sections of the George lake area."]
[237,15,"The carbonate rich portions of the eastern arm of the iron"]
[237,16,"formation have massive to disseminated pyrite and pyritre nodules,"]
[237,17,"the fold nose has disseminated pyrite.  Approximately 330 m north"]
[237,18,"of the main fold nose a discontinuous siliceous unit that is"]
[237,19,"interbedded with greywacke and mudstone is exposed in felsenmeer."]
[237,20,"This siliceous unit contains up to 15% pyrite and trace amounts"]
[237,21,"arsenopyrite. This unit is the northwest extension of the Shadow"]
[237,22,"Pond siliceous unit and sequence of the Rifle Lake interbedded"]
[237,23,"siliceous unit, iron formation and greywacke."]
[238,1,"Reconnaissance prospecting and sampling was done at Lookout Hill in"]
[238,2,"1983 but all grab samples of the sulphidic and carbonate iron"]
[238,3,"formation assayed under 0.04 g/t Au. In 1984 this area was mapped"]
[238,4,"at a 1:10,000 scale and again prospected (Johnston et al, 1985)."]
[238,5,"In 1985 of nine samples assayed, only one assay was over 0.07 g/t"]
[238,6,"Au, that sample was taken from a thin pyrite bearing silicate iron"]
[238,7,"formation between Lookout Hill and the Slave occurrence. That"]
[238,8,"sample assayed at 0.17 g/t Au. From the 1985 airborne geophysical"]
[238,9,"survey, several AEM conductors to the southwest and at Lookout Hill"]
[238,10,"were noted.   1986 exploration included detailed prospecting, grid"]
[238,11,"surveying, sampling, geological mapping at a 1:2000 scale, ground"]
[238,12,"magnetometer, VLF-Em and HLEM surveying and drilling of one drill"]
[238,13,"hole to test the ground HLEM and VLF-EM conductors. The iron"]
[238,14,"formation in the drill core had up to 10 volume percent massive to"]
[238,15,"disseminated pyrite but drill core sampling in 1986 yeilded no"]
[238,16,"assays over 0.1 g/t Au.  In 1988 a siliceous unit north of the main"]
[238,17,"fold nose was sampled. Assays from rock grab samples ran up to 32."]
[238,18,"61 g/t Au. Composite grab samples yeilded assays up to 1.99 g/t Au"]
[238,19,"over 1.5 m."]
[239,1,"The Knight showing lies within the northeastern portion of the"]
[239,2,"Archean Slave Structural Province. The principal underlying"]
[239,3,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[239,4,"consist mainly of volcanics and metasediments.  The Knight showing"]
[239,5,"is a single sample that was taken from an amphibole rich lean iron"]
[239,6,"formation that is less than 1 m wide and traceable for 750 m."]
[239,7,"Sparse mineralization consists of up to 1% disseminated pyrrhotite."]
[239,8,"The single sample from the iron formation had a gold value of 0.79"]
[239,9,"g/t Au, a second sample along the same horizon ran 0.17 g/t Au."]
[240,1,"The U-1 showing lies within the northeastern portion of the Archean"]
[240,2,"Slave Structural Province. The region is bordered by the Aphebian"]
[240,3,"age Bear Structural Province to the west, and the Rae Structural"]
[240,4,"Province to the east. The principal underlying supracrustal rocks"]
[240,5,"belong to the Archean Yellowknife Supergroup and consist mainly of"]
[240,6,"volcanics and metasediments. Archean intrusive and metamorphic"]
[240,7,"rocks also underlie the region. Early Proterozoic (Aphebian)"]
[240,8,"clastic sedimentary and carbonate sequences of the Goulburn Group"]
[240,9,"unconformably overlie the Archean rocks locally. Intrusive rocks of"]
[240,10,"Hudsonian age and younger  diabase dykes crosscut the older"]
[240,11,"lithologies.  The U-1 showing is within the Aphebian rocks of the"]
[240,12,"Goulburn Group. These rocks, the Western River Formation, comprise"]
[240,13,"a thick succession of argillites, quartzites and dolomites that in"]
[240,14,"turn are overlain comformably by quartzites and conglomerates of"]
[240,15,"the Burnside River Formation.   Mineralization in the U-1 showing"]
[240,16,"consists of uranium, gold, and anomalous nickel and lead."]
[240,17,"Assessment report 081178 notes that mineralization was discovered"]
[240,18,"in the Quartzite Member of the Western River Formation with the"]
[240,19,"predominant mineralized unit being a grey argillite-siltstone that"]
[240,20,"is carbonated locally. Mineralization was also found in altered"]
[240,21,"purple, seemingly porous quartzite. Massive dolomite and calcareous"]
[240,22,"sandstone in contact with the siltstone acts as a cap rock."]
[241,1,"The argillite and siltstone are massive, fine grained, carbonated"]
[241,2,"and composed of sericite, chlorite and quartz. The siltstone"]
[241,3,"argillite interbeds are 6ft thick in places and weather whitish"]
[241,4,"orange. Fresh surfaces are black and veined with hematite. Frost"]
[241,5,"heaved radioactive boulders were traced for 1 3/4 miles NW from the"]
[241,6,"main mineralized area and stop abruptly where the Burnside"]
[241,7,"Quartzite begins. (See assessment report 081178 map 5 for the"]
[241,8,"location and proximity ofsample sites.)  Approximately 1 1/2 mi NW"]
[241,9,"from the main showing adjacent to the boulder train is a"]
[241,10,"mineralized outcrop in the quartzite member. The quartzite bed is"]
[241,11,"approximately 10ft thick locally and dips steeply.    Samples from"]
[241,12,"the showing were assayed for the following elements: U, Zn, Cu, Pb,"]
[241,13,"Ni, Ag, Au, and Th.   Significant results from the mineralized grey"]
[241,14,"argillite and siltstone range from 0.3% to 12.6% U3O8 and are as"]
[241,15,"follows:  Uranium: 4800, 3800, 3000, 8400, 12,6000, 7000 and 7000"]
[241,16,"ppm. Lead: 500, 575, 1070, 1050, 1120, 445 and 440 ppm. Nickel: 640,"]
[241,17,"380, 540, 1220, 1300, 720 and 620 ppm. Gold: 23,000, 16,000 and"]
[241,18,"3800 ppb."]
[242,1,"The U-2 showing lies within the northeastern portion of the Archean"]
[242,2,"Slave Structural Province. The region is bordered by the Aphebian"]
[242,3,"age Bear Structural Province to the west, and the Rae Structural"]
[242,4,"Province to the east. The principal underlying supracrustal rocks"]
[242,5,"belong to the Archean Yellowknife Supergroup and consist mainly of"]
[242,6,"volcanics and metasediments. Archean intrusive and metamorphic"]
[242,7,"rocks also underlie the region. Early Proterozoic (Aphebian)"]
[242,8,"clastic sedimentary and carbonate sequences of the Goulburn Group"]
[242,9,"unconformably overlie the Archean rocks locally. Intrusive rocks of"]
[242,10,"Hudsonian age and younger  diabase dykes crosscut the older"]
[242,11,"lithologies.  The U-2 showing is within the Aphebian rocks of the"]
[242,12,"Goulburn Group. These rocks, the Western River Formation, comprise"]
[242,13,"a thick succession of argillites, quartzites and dolomites that in"]
[242,14,"turn are overlain comformably by quartzites and conglomerates of"]
[242,15,"the Burnside River Formation.   Mineralization in the U-2 showing"]
[242,16,"consists of uranium. Assessment report 081178 notes that"]
[242,17,"mineralization was discovered in the Western River Formation with"]
[242,18,"the predominant mineralized unit being a grey-green siltstone that"]
[242,19,"extends for approximately 400 ft. Associated with the siltstone is"]
[242,20,"a uniform, massive orange-brown quartzite. Calcareous quartzite was"]
[242,21,"found throughout the area."]
[243,1,"In 1978 airborne reconnaissance was carried out over the U-2 area."]
[243,2,"Radioactive showings were discovered and followed up in 1980 with"]
[243,3,"prospecting, mapping.  The results of prospecting within the U-2"]
[243,4,"showing area are noted on map 5 of assessment report 081178, they"]
[243,5,"are not listed or noted elsewhere. Samples range from 0.2 to 1.2 U"]
[243,6,"ppm. Also noted in the assessment report write up was that the"]
[243,7,"boulders and outcrops registered between 300 and 2000 cps"]
[243,8,"(Saphymostel SPPII)."]
[243,9,null]
[243,10,null]
[243,11,null]
[243,12,null]
[244,1,"The DEX showing lies within the northeastern portion of the Archean"]
[244,2,"Slave Structural Province. The region is bordered by the Aphebian"]
[244,3,"age Bear Structural Province to the west, and the Rae Structural"]
[244,4,"Province to the east. The principal underlying supracrustal rocks"]
[244,5,"belong to the Archean Yellowknife Supergroup and consist mainly of"]
[244,6,"volcanics and metasediments. Archean intrusive and metamorphic"]
[244,7,"rocks also underlie the region. Early Proterozoic (Aphebian)"]
[244,8,"clastic sedimentary and carbonate sequences of the Goulburn Group"]
[244,9,"unconformably overlie the Archean rocks locally. Intrusive rocks of"]
[244,10,"Hudsonian age and younger diabase dykes crosscut the older"]
[244,11,"lithologies.  The Yellowknife Supergroup in the property area is"]
[244,12,"divided informally into three major sequences.  The Back Group is"]
[244,13,"the lowest sequence and is comprised of felsic to intermediate"]
[244,14,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[244,15,"Back and consists of  volcanic flows that range from felsic to"]
[244,16,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[244,17,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[244,18,"greywacke, mudstone and iron formation. Recent mapping by the"]
[244,19,"Geological Survey of Canada suggests that the Hackett River and the"]
[244,20,"Back volcanic belts, which are generally spatially separate, may be"]
[244,21,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[244,22,"four periods of deformation have affected the Yellowknife"]
[244,23,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[244,24,"sub-greenschist to upper amphibolite facies."]
[245,1,"The  DEX showing area is predominantly steeply SW dipping greywacke"]
[245,2,"intercalated with black mudstone horizons that trend NW-SE. The"]
[245,3,"mudstone (argillite/siltstone) horizons have an average thickness"]
[245,4,"from 0.3 to 10 m wide (ranging from mm scale to 30 m). Greywackes"]
[245,5,"are fine grained and massive. Parallel to the regional bedding,"]
[245,6,"rare quartzite was mapped. The country rock is cut locally by NW-SE"]
[245,7,"trending diabase dykes.  The rock package has bedding planes"]
[245,8,"ranging from 135/80W to 160/75W and is slightly folded with the"]
[245,9,"fold axis trending at 240 degrees and plunging 75W. Faulting in"]
[245,10,"this area was in a similar direction. Quartz veining is common and"]
[245,11,"mainly parallel to bedding but also along joint planes. Quartz"]
[245,12,"veins to 15 m wide are noted and veins greater than 1 m are common."]
[245,13,"Along several siliceous/quartz vein-rich zones, especially within"]
[245,14,"mudstone horizons shearing occurs parallel to subparallel to the"]
[245,15,"foliation. The shear zones have a range of 6-30 m wide. The quartz"]
[245,16,"is fine grained with banded horizons on the hanging wall margins"]
[245,17,"where the  shearing is most intense. A grid was emplaced over the"]
[245,18,"quartz flooded shear zones in 1990. The shear zones can be  traced"]
[245,19,"in the NW-SE direction for several hundred m and are truncated by"]
[245,20,"crosscutting (240 degree) faults.  The large quartz veins are often"]
[245,21,"gossanous with radiating amphibole needles and occasional chlorite"]
[245,22,"in fine grained clusters. Sulphide mineralization within the"]
[245,23,"siliceous shears is concentrated in the wall rock of the quartz"]
[245,24,"veins and consists of arsenopyrite > pyrite > pyrrhotite with"]
[245,25,"traces of chalcopyrite and bornite. Visible gold was also noted in"]
[245,26,"grab samples from quartz rich boulders."]
[246,1,"The DEX showing area was initially reconnaissance prospected in"]
[246,2,"1989, then in 1990 it was more intensely mapped, sampled, a grid"]
[246,3,"was emplaced and five trenches excavated and sampled.  29 grab"]
[246,4,"samples were collected in 1989, 4 returned grades greater than 1 g/"]
[246,5,"t Au (1.74, 1.24, 1.55 and 1.31 g/t). 13 other samples had values"]
[246,6,"ranging between 135 and 925 ppb Au.  In 1990 123 samples were"]
[246,7,"collected in total, 14 had Au values greater than 1 g/t along 1.5"]
[246,8,"km NW-SE trending quartz flooded shear zones. 12 of the 14"]
[246,9,"anomalies were from grab or chip samples. They range between 1.04"]
[246,10,"and 7.09 g/t Au. 2 grab samples from angular quartz rich boulders"]
[246,11,"that flank a large shear zone had visible gold and had values of"]
[246,12,"105.2 and 60.2 g/t Au."]
[247,1,"The Gaet 3 showing consists of a single sample from a minor"]
[247,2,"sulphide mineral occurrence within a banded iron formation. The NW"]
[247,3,"trending  interbedded  silicate/oxide banded iron formation occurs"]
[247,4,"within Beechey Lake Group turbiditic sediments of the Yellowknife"]
[247,5,"Supergroup. Reconnaissance mapping and prospecting resulted in"]
[247,6,"collecting one sample with a gold value of 0.55 g/t. This sample"]
[247,7,"had trace arsenopyrite and 1% pyrite."]
[248,1,"The Trumpet showing lies within the northeastern portion of the"]
[248,2,"Archean Slave Structural Province. The region is bordered by the"]
[248,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[248,4,"Structural Province to the east. The principal underlying"]
[248,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[248,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[248,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[248,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[248,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[248,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[248,11,"the older lithologies.  The Trumpet showing is within the"]
[248,12,"Yellowknife Supergroup which is divided informally into three major"]
[248,13,"sequences.  The Back Group is the lowest sequence and is comprised"]
[248,14,"of felsic to intermediate flows, tuffs and breccias. The Hackett"]
[248,15,"River Group overlies the Back and consists of  volcanic flows that"]
[248,16,"range from felsic to mafic, as well as tuffs and chemical sediments."]
[248,17,"The uppermost sequence is the Beechey Lake Group, comprising"]
[248,18,"turbidite sediments, greywacke, mudstone and iron formation. Recent"]
[248,19,"mapping by the Geological Survey of Canada suggests that the"]
[248,20,"Hackett River and the Back volcanic belts, which are generally"]
[248,21,"spatially separate, may be coeval in their upper parts (Williamson"]
[248,22,"and Olson, 1990).  At least four periods of deformation have"]
[248,23,"affected the Yellowknife Supergroup. Metamorphic grade in the Back"]
[248,24,"River Region ranges from sub-greenschist to upper amphibolite"]
[248,25,"facies.  The Trumpet showing comprises sulphidic oxide and/or"]
[248,26,"silicate iron formations within  turbidites of the Beechey Lake"]
[248,27,"Group. A quartz diorite sill runs along strike adjacent to the NW"]
[248,28,"trending banded iron formations. These lithologies are cut by SW"]
[248,29,"trending mafic dykes."]
[249,1,"Three gold mineralized satellite showings are associated with the"]
[249,2,"the Trumpet showing - the Oboe (Normin ID 076GNW0020), Piccalo"]
[249,3,"(Normin ID 076GNW0021) and Flute (Normin ID 076GNW0022). These"]
[249,4,"showings are located along strike of a silicate-oxide-sulphide"]
[249,5,"banded iron formation that trends NW for 1.7 km. Work in the area"]
[249,6,"consisted of reconnaissance mapping, prospecting, geochemical"]
[249,7,"sampling and a geophysical survey consisting of magnetometer and EM."]
[249,8,"See Map 1 in  AR 083046 for relative locations.  Trumpet Showing:"]
[249,9,"Three styles of mineralization are reported over a distance of 40 m."]
[249,10,"1) Semi-massive coarse grained arsenopyrite +/- pyrite with up to"]
[249,11,"80% arsenopyrite & 10% pyrite in chloritic sections. Grab samples"]
[249,12,"assayed up to 3.02 g/tonne gold. 2) Sulphide iron formations with"]
[249,13,"finely banded pyrite (5-50%) and arsenopyrite (up to 25%) and 3)"]
[249,14,"Bull quartz veins to 0.4 m wide with up to 5% pyrite within"]
[249,15,"metasediments. The veins are adjacent but not directly associated"]
[249,16,"with arsenopyrite and all vein samples had gold values <1 g/tonne."]
[249,17,"Piccalo Showing  (Normin ID 076GNW0021):  The Piccalo showing"]
[249,18,"occurs in a 0.5 m wide, 100 m long amphibolitic (Silicate) iron"]
[249,19,"formation that has up to 3% arsenopyrite and minor pyrite in"]
[249,20,"chloritized sections. The sulphides are commonly associated with"]
[249,21,"crosscutting quartz veins. The highest grab sample assayed 0.72 g/"]
[249,22,"tonne gold.  Flute Showing (Normin ID 076GNW0022): Mineralization"]
[249,23,"is within 2 clusters of feldsenmeer boulders over a 45 m strike"]
[249,24,"adjacent to a 5-7 m quartz diorite sill. The boulders are up to 0.6"]
[249,25,"m wide and contain up to 75% euhedral arsenopyrite and 10% euhedral"]
[249,26,"pyrite in a chloritic matrix. The sulphide rich feldsenmeer appears"]
[249,27,"to be oriented with transverse quartz veins. The highest assay from"]
[249,28,"grab samples graded 5.90 g/tonne gold."]
[250,1,"Oboe Showing ( Normin ID # 076GNW0020): Arsenopyrite and pyrite"]
[250,2,"mineralization is found over a  205 m strike length of oxide/"]
[250,3,"silicate iron formation that has a steep north trending dip. The"]
[250,4,"arsenopyrite occurs as disseminations in the banded sulphide as"]
[250,5,"narrow (<10 cm) veinlets and as semi massive clusters of crystals"]
[250,6,"(10-12%) in chloritized sections. Some of the sulphide occurrences"]
[250,7,"have sugary smokey quartz associated with them. The highest gold"]
[250,8,"value from a grab sample was 5.18 g/tonne."]
[251,1,"This showing is part of the Trumpet showing. For further"]
[251,2,"information see 076GNW0019.  Oboe Showing ( Normin ID # 076GNW0020):"]
[251,3,"Arsenopyrite and pyrite mineralization is found over a  205 m"]
[251,4,"strike length of oxide/silicate iron formation that has a steep"]
[251,5,"north trending dip. The arsenopyrite occurs as disseminations in"]
[251,6,"the banded sulphide as narrow (<10 cm) veinlets and as semi massive"]
[251,7,"clusters of crystals (10-12%) in chloritized sections. Some of the"]
[251,8,"sulphide occurrences have sugary smokey quartz associated with them."]
[251,9,"The highest gold value from a grab sample was 5.18 g/tonne."]
[252,1,"This showing is part of the Trumpet showing. For further"]
[252,2,"information and references see 076GNW0019.  Piccalo Showing"]
[252,3,"(Normin ID 076GNW0021):  The Piccalo showing occurs in a 0.5 m wide,"]
[252,4,"100 m long amphibolitic (Silicate) iron formation that has up to"]
[252,5,"3% arsenopyrite and minor pyrite in chloritized sections. The"]
[252,6,"sulphides are commonly associated with crosscutting quartz veins."]
[252,7,"The highest grab sample assayed 0.72 g/tonne gold."]
[253,1,"This showing is part of the Trumpet showing. For further"]
[253,2,"information and references see 076GNW0019.  Flute Showing (Normin"]
[253,3,"ID 076GNW0022): Mineralization is within 2 clusters of feldsenmeer"]
[253,4,"boulders over a 45 m strike adjacent to a 5-7 m quartz diorite sill."]
[253,5,"The boulders are up to 0.6 m wide and contain up to 75% euhedral"]
[253,6,"arsenopyrite and 10% euhedral pyrite in a chloritic matrix. The"]
[253,7,"sulphide rich feldsenmeer appears to be oriented with transverse"]
[253,8,"quartz veins. The highest assay from grab samples graded 5.90 g/"]
[253,9,"tonne gold."]
[254,1,"The Buck showing lies within the northeastern portion of the"]
[254,2,"Archean) Slave Structural Province. The region is bordered by the"]
[254,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[254,4,"Structural Province to the east. The principal underlying"]
[254,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[254,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[254,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[254,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[254,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[254,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[254,11,"the older lithologies.  The Buck showing is within the Yellowknife"]
[254,12,"Supergroup which is divided informally into three major sequences."]
[254,13,"The Back Group is the lowest sequence and is comprised of felsic to"]
[254,14,"intermediate flows, tuffs and breccias. The Hackett River Group"]
[254,15,"overlies the Back and consists of  volcanic flows that range from"]
[254,16,"felsic to mafic, as well as tuffs and chemical sediments. The"]
[254,17,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[254,18,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[254,19,"by the Geological Survey of Canada suggests that the Hackett River"]
[254,20,"and the Back volcanic belts, which are generally spatially separate,"]
[254,21,"may be coeval in their upper parts (Williamson and Olson, 1990)."]
[254,22,"At least four periods of deformation have affected the Yellowknife"]
[254,23,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[254,24,"sub-greenschist to upper amphibolite facies.  The Buck showing"]
[254,25,"comprises sulphidic oxide and/or silicate iron formations within"]
[254,26,"argillitic greywacke turbidites of the Beechey Lake Group. Feldspar"]
[254,27,"porphyry sills either run along strike or cut the N-NW trending"]
[254,28,"units of iron formation. Outcrop exposure ranges from 1- 40%."]
[255,1,"The Buck Showing has 2 other  showings associated with it - the"]
[255,2,"Buck North Showing (Normin ID 076GNW0024), which is an extension of"]
[255,3,"the Buck showing  and the Chopin Showing (Normin ID 076GNW0025)."]
[255,4,"These zones are located along strike of a silicate-oxide-sulphide"]
[255,5,"banded iron formation that trends intermittantly NW for"]
[255,6,"approximately 2 km. See maps 1 & 2b in  AR 083055 for relative"]
[255,7,"locations.  Work done in the showing area has included"]
[255,8,"reconnaissance and detailed mapping, prospecting, geochemical"]
[255,9,"sampling (rock, drill core, till),  ground and airborne"]
[255,10,"magnetometer and EM geophysical survey, trenching, and diamond"]
[255,11,"drilling.   Within the Buck Showing  gold and sulphide"]
[255,12,"(arsenopyrite & pyrite) mineralization has been traced in drilling"]
[255,13,"and with surface geophysical surveys and mapping over a strike"]
[255,14,"length of approximately 600 m. Most of the heavy sulphide"]
[255,15,"mineralization is at or near feldspar porphyry sill contacts and is"]
[255,16,"hosted by either silicate or oxide iron formation. Grab and channel"]
[255,17,"samples have assayed up to 191.59 g/tonne Au. Trench samples have"]
[255,18,"gold values up to 17.83 g/t across 1.1 m. Drill core samples have"]
[255,19,"yielded gold values of up to 42.54 g/tonne across 1 m. Till samples"]
[255,20,"were were analyzed for gold and additional elements.  Buck North"]
[255,21,"(Normin ID 076GNW0024): The Buck North Showing is a northern"]
[255,22,"extension of the Buck Showing. The host iron formation is up to 40"]
[255,23,"m wide and towards the north tends to become increasingly oxide"]
[255,24,"rich. This showing has weakly developed, discontinuous zones of"]
[255,25,"pyrite and arsenopyrite within the iron formation. A rock grab"]
[255,26,"sample had a gold value of 1.85 g/tonne; all other grab or chip"]
[255,27,"samples were below 0.32 g/tonne Au."]
[256,1,"Chopin Showing (Normin ID 076GNW0025): This showing is underlain by"]
[256,2,"the same unit of iron formation as the Buck and Buck North Showings."]
[256,3,"The width of the Chopin oxide and silicate facies iron formation"]
[256,4,"ranges from 15 to 50 m and has been traced for approximately 125 m."]
[256,5,"Gold mineralization is within sulphide rich zones with up to 10%"]
[256,6,"banded pyrite and pyrrhotite and up to 2% arsenopyrite. Sampling"]
[256,7,"returned values ranging from 1.37 to 6.55 g/tonne Au. One drill"]
[256,8,"hole tested the surface sampling and ground and airborne"]
[256,9,"geophysical targets. Sulphidic iron formation was intersected  and"]
[256,10,"confirmed surface sampling results. Gold values include 1.13 g/"]
[256,11,"tonne over 0.85 m, 1.20 g/tonne over 0.75 m and 2.69 g/tonne over 0."]
[256,12,"30m."]
[257,1,"This showing is part of the Buck showing. For further information"]
[257,2,"and references see 076GNW0023.  Buck North (Normin ID 076GNW0024):"]
[257,3,"The Buck North Showing is a northern extension of the Buck Showing."]
[257,4,"The host iron formation is up to 40 m wide and towards the north"]
[257,5,"tends to become increasingly oxide rich. This showing has weakly"]
[257,6,"developed, discontinuous zones of pyrite and arsenopyrite within"]
[257,7,"the iron formation. A rock grab sample had a gold value of 1.85 g/"]
[257,8,"tonne; all other grab or chip samples were below 0.32 g/tonne Au."]
[258,1,"This showing is part of the Buck showing. For further information"]
[258,2,"and references see 076GNW0023.  Chopin Showing (Normin ID"]
[258,3,"076GNW0025): This showing is underlain by the same unit of iron"]
[258,4,"formation as the Buck and Buck North Showings. The width of the"]
[258,5,"Chopin oxide and silicate facies iron formation ranges from 15 to"]
[258,6,"50 m and has been traced for approximately 125 m. Gold"]
[258,7,"mineralization is within sulphide rich zones with up to 10% banded"]
[258,8,"pyrite and pyrrhotite and up to 2% arsenopyrite. Sampling returned"]
[258,9,"values ranging from 1.37 to 6.55 g/tonne Au. One drill hole tested"]
[258,10,"the surface sampling and ground and airborne geophysical targets."]
[258,11,"Sulphidic iron formation was intersected  and confirmed surface"]
[258,12,"sampling results. Gold values include 1.13 g/tonne over 0.85 m, 1."]
[258,13,"20 g/tonne over 0.75 m and 2.69 g/tonne over 0.30m."]
[259,1,"Regional Geology:  The Lin showing lies within the northeastern"]
[259,2,"portion of the Archean Slave Structural Province. The region is"]
[259,3,"bordered by the Aphebian age Bear Structural Province to the west,"]
[259,4,"and the Rae Structural Province to the east. The principal"]
[259,5,"underlying supracrustal rocks belong to the Archean Yellowknife"]
[259,6,"Supergroup and consist mainly of volcanics and metasediments."]
[259,7,"Archean intrusive and metamorphic rocks also underlie the region."]
[259,8,"Early Proterozoic (Aphebian) clastic sedimentary and carbonate"]
[259,9,"sequences of the Goulburn Group unconformably overlie the Archean"]
[259,10,"rocks locally. Intrusive rocks of Hudsonian age and younger diabase"]
[259,11,"dykes crosscut the older lithologies.  The Lin showing is within"]
[259,12,"the Yellowknife Supergroup which is divided informally into three"]
[259,13,"major sequences.  The Back Group is the lowest sequence and is"]
[259,14,"comprised of felsic to intermediate flows, tuffs and breccias. The"]
[259,15,"Hackett River Group overlies the Back and consists of  volcanic"]
[259,16,"flows that range from felsic to mafic, as well as tuffs and"]
[259,17,"chemical sediments. The uppermost sequence is the Beechey Lake"]
[259,18,"Group, comprising turbidite sediments, greywacke, mudstone and iron"]
[259,19,"formation. Recent mapping by the Geological Survey of Canada"]
[259,20,"suggests that the Hackett River and the Back volcanic belts, which"]
[259,21,"are generally spatially separate, may be coeval in their upper"]
[259,22,"parts (Williamson and Olson, 1990).  At least four periods of"]
[259,23,"deformation have affected the Yellowknife Supergroup. Metamorphic"]
[259,24,"grade in the Back River Region ranges from sub-greenschist to upper"]
[259,25,"amphibolite facies.  Property/Showing Geology:  The Lin showing"]
[259,26,"comprises sulphidic siliceous iron formations within greywacke"]
[259,27,"turbidites of the Beechey Lake Group. Mineralization occurs within"]
[259,28,"siliceous, arsenopyrite and pyrite bearing float over an"]
[259,29,"approximately 500 m strike which may be altered from two 1-2 m"]
[259,30,"thick silicate facies iron formations which are 25-30 m apart."]
[260,1,"Exploration  done on the showing includes reconnaissance mapping"]
[260,2,"and sampling, grid establishment, detailed mapping and sampling at"]
[260,3,"a 1:1000 scale and a ground magnetic survey.  Initial grab samples"]
[260,4,"assayed up to 5.38 g/tonne Au, follow up channel samples yeilded"]
[260,5,"values up to 2.13 g/tonne across 0.75 m."]
[261,1,"The Mozart showing has been subjected to reconnaissance mapping,"]
[261,2,"prospecting and sampling. This showing is located within an"]
[261,3,"extensive boulder field. The host for mineralization is a"]
[261,4,"porphyroblastic knotted schist and a porphyroblastic phyllitic"]
[261,5,"schist. Mineralization was traced along a 250 m strike length"]
[261,6,"(approximate) and consists of arsenopyrite to 9% and pyrite to 3%"]
[261,7,"within strongly silicified and quartz veined schists. Grab and"]
[261,8,"channel samples were anomalous, the highest grab sample had a gold"]
[261,9,"value of 6.62 g/tonne, the best channel samples gave results of 3."]
[261,10,"19 g/t across 0.63 m and 1.03 g/t across 0.85 m."]
[262,1,"The Bach showing lies within the northeastern portion of the"]
[262,2,"Archean Slave Structural Province. The region is bordered by the"]
[262,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[262,4,"Structural Province to the east. The principal underlying"]
[262,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[262,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[262,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[262,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[262,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[262,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[262,11,"the older lithologies.  This showing is within the Yellowknife"]
[262,12,"Supergroup which is divided informally into three major sequences."]
[262,13,"The Back Group is the lowest sequence and is comprised of felsic to"]
[262,14,"intermediate flows, tuffs and breccias. The Hackett River Group"]
[262,15,"overlies the Back and consists of  volcanic flows that range from"]
[262,16,"felsic to mafic, as well as tuffs and chemical sediments. The"]
[262,17,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[262,18,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[262,19,"by the Geological Survey of Canada suggests that the Hackett River"]
[262,20,"and the Back volcanic belts, which are generally spatially separate,"]
[262,21,"may be coeval in their upper parts (Williamson and Olson, 1990)."]
[262,22,"At least four periods of deformation have affected the Yellowknife"]
[262,23,"Supergroup. Metamorphic grade ranges from sub-greenschist to upper"]
[262,24,"amphibolite facies.  The showing comprises oxide and/or silicate"]
[262,25,"iron formations within massive greywacke turbidites of the Beechey"]
[262,26,"Lake Group. Exposed strike length of this folded, 3 m wide iron"]
[262,27,"formation is approximately 500 m."]
[263,1,"The iron formation of the Bach Showing was first noted in 1990 when"]
[263,2,"a grab sample taken during prospecting returned a gold value of 7."]
[263,3,"51 g/tonne. Subsequent reconnaissance and target specific mapping"]
[263,4,"and geochemical grab and channel  sampling was done as follow up"]
[263,5,"work as was grid emplacement and a ground magnetic survey. The"]
[263,6,"magnetic survey identified a 50-100 m wide magnetic anomaly"]
[263,7,"interpretted to be an underlying iron formation.   Of 5 grab"]
[263,8,"samples taken, 1 had a gold value of 3.81 g/tonne. All other"]
[263,9,"samples had assays with gold values less than or equal to 0.1 g/"]
[263,10,"tonne. Of 8 channel samples, the three best were: 1.78 g/t across 0."]
[263,11,"65, 2.95 g/t across 0.70 m and 1.17 g/t across 0.9 m. The remaining"]
[263,12,"samples had gold values below 0.82 g/t."]
[264,1,"The Lin1 showing area has been subjected to reconnaissance mapping,"]
[264,2,"prospecting and sampling. The host for mineralization was a"]
[264,3,"slightly silicified greywacke with 1-3% pyrite. This showing is"]
[264,4,"from a single reconnaissance sample that is located on map 3a of AR"]
[264,5,"082994. It is noted that this sample is from previous"]
[264,6,"reconnaissance work."]
[265,1,"The Lin 2 showing consists of a single reconnaissance sample of a"]
[265,2,"rusty weathering pyritic mafic sill. This sample had a gold value"]
[265,3,"of 0.58 g/tonne Au."]
[266,1,"The WL1 showing lies within the northeastern portion of the Archean"]
[266,2,"Slave Structural Province. The region is bordered by the Aphebian"]
[266,3,"age Bear Structural Province to the west, and the Rae Structural"]
[266,4,"Province to the east. The principal underlying supracrustal rocks"]
[266,5,"belong to the Archean Yellowknife Supergroup and consist mainly of"]
[266,6,"volcanics and metasediments. Archean intrusive and metamorphic"]
[266,7,"rocks also underlie the region. Early Proterozoic (Aphebian)"]
[266,8,"clastic sedimentary and carbonate sequences of the Goulburn Group"]
[266,9,"unconformably overlie the Archean rocks locally. Intrusive rocks of"]
[266,10,"Hudsonian age and younger diabase dykes crosscut the older"]
[266,11,"lithologies.  The WL1 showing is within the Yellowknife Supergroup"]
[266,12,"which is divided informally into three major sequences.  The Back"]
[266,13,"Group is the lowest sequence and is comprised of felsic to"]
[266,14,"intermediate flows, tuffs and breccias. The Hackett River Group"]
[266,15,"overlies the Back and consists of  volcanic flows that range from"]
[266,16,"felsic to mafic, as well as tuffs and chemical sediments. The"]
[266,17,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[266,18,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[266,19,"by the Geological Survey of Canada suggests that the Hackett River"]
[266,20,"and the Back volcanic belts, which are generally spatially separate,"]
[266,21,"may be coeval in their upper parts (Williamson and Olson, 1990)."]
[266,22,"At least four periods of deformation have affected the Yellowknife"]
[266,23,"Supergroup. Metamorphic grade ranges from sub-greenschist to upper"]
[266,24,"amphibolite facies.  The WL1 showing comprises an oxide magnetite-"]
[266,25,"chert iron formation that strikes NNW through mudstones and minor"]
[266,26,"interbedded greywacke turbidites of the Beechey Lake Group. A"]
[266,27,"sulphide facies zone within the iron formation has an exposed"]
[266,28,"strike length of 10 m and a width of 2.87 m in a trench."]
[267,1,"The WL1 Showing has been subjected to prospecting, reconnaissance"]
[267,2,"mapping, geochemical sampling and mapping on a 1:1000 scale, ground"]
[267,3,"magnetometer and VLF-EM surveys, rock trenching and rock chip"]
[267,4,"sampling.  The original reconnaissance geochemical sampling"]
[267,5,"produced gold values of 1.51 and 4.75 g/t. Follow up rock chip"]
[267,6,"sampling  from 8 samples across a trench produced gold values"]
[267,7,"ranging from 0.025 g/t to 3.0 g/t across 0.86 m. The ground"]
[267,8,"magnetometer and VLF-EM surveys delineated the iron formation and"]
[267,9,"the sulphide bearing zones within the iron formation."]
[268,1,"This showing consists of 2 reconnaissance samples taken from"]
[268,2,"Yellowknife Supergroup  Beechey Lake  sediments. Sample 51621 is a"]
[268,3,"felsenmeer grab sample that had 1% arsenopyrite and 2-3% pyrite."]
[268,4,"This sample had a gold value of 0.82 g/tonne. Sample 51622 was a"]
[268,5,"rock grab sample with 3-4% pyrite.  This sample had a gold value of"]
[268,6,"0.58 g/tonne."]
[269,1,"This showing consists of a single reconnaissance sample comprised"]
[269,2,"of pyrite and arsenopyrite within a quartz vein. This sample had a"]
[269,3,"gold value of 0.51 g/tonne."]
[270,1,"This showing is a single reconnaissance sample that had a gold"]
[270,2,"value of 0.51 g/tonne. No further information is available."]
[271,1,"The DOX 0759 showing lies within the northeastern portion of the"]
[271,2,"Archean Slave Structural Province.  The principal underlying"]
[271,3,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[271,4,"consist mainly of volcanics and metasediments. The Dox 0759 showing"]
[271,5,"is from a band of interbanded pyritic meta-chert and amphibolite"]
[271,6,"which returned an assay of 0.62 oz/ton Au. The map accompanying"]
[271,7,"assessment report 061344 places this sample within a quartz"]
[271,8,"monzonite but the summary states that the sample is from a 0.5 by 4"]
[271,9,"mile belt that contains pyritic chert, graphitic-pyritic schist,"]
[271,10,"and amphibolite."]
[272,1,"The Burnside area lies within the northeastern portion of the"]
[272,2,"Archean  Slave Structural Province. The region is bordered by the"]
[272,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[272,4,"Structural Province to the east. The principal underlying"]
[272,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[272,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[272,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[272,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[272,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[272,10,"Intrusive rocks of Hudsonian age  and younger diabase dykes"]
[272,11,"crosscut the older lithologies.  The Burnside Area is within the"]
[272,12,"Back River region. The Yellowknife Supergroup in the property area"]
[272,13,"is divided informally into three major sequences.  The Back Group"]
[272,14,"is the lowest sequence and is comprised of felsic to intermediate"]
[272,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[272,16,"Back and consists of  volcanic flows that range from felsic to"]
[272,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[272,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[272,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[272,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[272,21,"Back volcanic belts, which are generally spatially separate, may be"]
[272,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[272,23,"four periods of deformation have affected the Yellowknife"]
[272,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[272,25,"sub-greenschist to upper amphibolite facies. In the Burnside area"]
[272,26,"the general metamorphic grade is middle greenschist."]
[273,1,"The Burnside area is underlain by greywacke-argillite turbidite"]
[273,2,"sequences of the Beechey Lake Group which can be subdivided into"]
[273,3,"greywacke dominated (greater than 70% of the rock) and argillite"]
[273,4,"dominated units. Generally these sedimentary rocks have a NW strike"]
[273,5,"and dip from 50 to 80 degrees to the southwest. Regionally, the"]
[273,6,"beds are folded into large scale isoclinal folds about NW trending"]
[273,7,"axis.Crumpling of argilliceous beds is evidenced of a second phase"]
[273,8,"of folding about SW plunging fold axis. These folds are broken at"]
[273,9,"the hinge by steep angle faults trending NW. Displacement across"]
[273,10,"the faults is up to 400 m.  Arsenopyrite bearing argillite units"]
[273,11,"that are cut by crosscutting and conformable quartz veins host the"]
[273,12,"gold mineralization in the Burnside area. Within the argillite"]
[273,13,"units, gold mineralization is intimately associated with"]
[273,14,"arsenopyrite, pyrite, pyrrhotite and rare chalcopyrite which occur"]
[273,15,"both as disseminations and as medium to coarse grained aggregates"]
[273,16,"at the margins of conformable and crosscutting veins. Gold occurs"]
[273,17,"in native form; however, the close association of gold with"]
[273,18,"arsenopyrite implies that gold may also occur with this type of"]
[273,19,"sulphide. Disseminated sulphides, particularly arsenopyrite, are"]
[273,20,"preferentially concentrated in amounts to 20% in 0.5 to 2 cm"]
[273,21,"siliceous bands or wisp-like laminea (sic) conformable to the"]
[273,22,"bedding. Quartz veins, like the sulphides, are strata bound to"]
[273,23,"argillite dominated strata. Two forms of quartz veins are present,"]
[273,24,"an early phase of grey quartz occurring as lensoidal or rod-shaped"]
[273,25,"veins conformable to bedding and later crosscutting white to light"]
[273,26,"grey quartz veins. The earlier quartz veins often form rod-like"]
[273,27,"bodies within the cores of the minor phase two folds and are of"]
[273,28,"variable thickness. In the cores of folds these veins were observed"]
[273,29,"to be up to 50 cm thick. Where native gold was seen, it was in"]
[273,30,"these stage 1 veins (McClintock J.A.,1987)."]
[274,1,"South and west of Del Lake (See map 5/7 from assessment report"]
[274,2,"082070 for location of the area of mineralization and grids)"]
[274,3,"several distinct sulphide bearing and quartz veined argillite units"]
[274,4,"occur within a NW trending zone that is up to 400 m wide and has a"]
[274,5,"strike length of 3.6 km. Individual auriferous units are continuous"]
[274,6,"for up to 1 km along strike before pinching out into greywacke"]
[274,7,"units. Higher gold grade values are restricted to argillite units"]
[274,8,"that are deformed by phase 2 minor folds and have quartz and"]
[274,9,"arsenopyrite concentrations of 2-3%. These units are restricted to"]
[274,10,"200 m or less strike lengths.  In 1985, exploration consisted of"]
[274,11,"reconnaissance prospecting, 1:2000 scale geological mapping, total"]
[274,12,"field and vertical magnetic gradient surveys, and dip angle VLF"]
[274,13,"surveys. Gold assays of up to 60 g/t were obtained from grab"]
[274,14,"samples of quartz arsenopyrite veins in argillite. Grids were set"]
[274,15,"up over the most intensely mineralized zones. On the H-1 Grid a"]
[274,16,"total of 69 samples were collected and assayed for gold. Of these"]
[274,17,"samples, 1 assayed at 67.4 g/t, 2 were in the range between 25-30 g/"]
[274,18,"t, 1 assayed between  20-25 g/t, 1 was in the 10-15 g/t range, 5"]
[274,19,"ranged between 5-10 g/t, 23 were in the 1-5 g/t range, 27 assayed"]
[274,20,"between 1 and 5 g/t and 9 samples assayed less than 0.1 g/t Au. The"]
[274,21,"H-2 grid had a total of 20 samples assayed for gold.  Of these, 1"]
[274,22,"was in the range from 15-20 g/t, 1 ran between 10-15 g/t, 5 were in"]
[274,23,"the 5-10 g/t range, 11 in the 1-5 g/t range and 2 assayed between 0."]
[274,24,"1 and 1.0 g/t Au.  In 1986 further work included reconnaissance"]
[274,25,"mapping and sampling, detailed mapping at a 1:1000 scale, trenching,"]
[274,26,"chip and channel sampling and in two areas, diamond drilling."]
[275,1,"The two areas with consistent high gold values (over 1.0 g/t) are"]
[275,2,"the Beechey Zone (located on the west side of the H-2 grid) and the"]
[275,3,"Phoenix Zone (located at the south end of the H-2 grid). These two"]
[275,4,"zones were drilled and the drilling results showed gold content"]
[275,5,"decreased with depth. See Plate 1 from assessment report 082570 for"]
[275,6,"the locations.   Results from the Beechey Zone showed a strike"]
[275,7,"length of 110 m with gold grades up to 9.1 g/t Au over 9 meters."]
[275,8,"Nine holes were drilled for a total of 537 m to further test the"]
[275,9,"mineralization . Mineralization was intersected that was similar to"]
[275,10,"that at surface but the gold grades were much lower. The highest"]
[275,11,"interval recovered was 5.4 g/t Au across 1 m core length.  The"]
[275,12,"Phoenix Zone had two holes drilled to a total of 73 m, these"]
[275,13,"results were also low grade with the highest intersection assaying"]
[275,14,"at 5.5 g/t Au across 1 m core length."]
[276,1,"The Skarn showing area lies within the northeastern portion of the"]
[276,2,"Archean (>2.5 Ga) Slave Structural Province. The region is bordered"]
[276,3,"by the Aphebian age (>1.9 Ga) Bear Structural Province to the west,"]
[276,4,"and the Rae Structural Province to the east. The principal"]
[276,5,"underlying supracrustal rocks belong to the Archean Yellowknife"]
[276,6,"Supergroup and consist mainly of volcanics and metasediments."]
[276,7,"Archean intrusive and metamorphic rocks also underlie the region."]
[276,8,"Early Proterozoic (Aphebian) clastic sedimentary and carbonate"]
[276,9,"sequences of the Goulburn Group unconformably overlie the Archean"]
[276,10,"rocks locally. Intrusive rocks of Hudsonian age (1.8 Ga) and"]
[276,11,"younger (1.2 Ga) diabase dykes crosscut the older lithologies.  The"]
[276,12,"Skarn showing area is within the Back River region. The Yellowknife"]
[276,13,"Supergroup in the property area is divided informally into three"]
[276,14,"major sequences.  The Back Group is the lowest sequence and is"]
[276,15,"comprised of felsic to intermediate flows, tuffs and breccias. The"]
[276,16,"Hackett River Group overlies the Back and consists of  volcanic"]
[276,17,"flows that range from felsic to mafic, as well as tuffs and"]
[276,18,"chemical sediments. The uppermost sequence is the Beechey Lake"]
[276,19,"Group, comprising turbidite sediments, greywacke, mudstone and iron"]
[276,20,"formation. Recent mapping by the Geological Survey of Canada"]
[276,21,"suggests that the Hackett River and the Back volcanic belts, which"]
[276,22,"are generally spatially separate, may be coeval in their upper"]
[276,23,"parts (Williamson and Olson, 1990).  At least four periods of"]
[276,24,"deformation have affected the Yellowknife Supergroup. Metamorphic"]
[276,25,"grade in the Back River Region ranges from sub-greenschist to upper"]
[276,26,"amphibolite facies. In the Skarn showing area the general"]
[276,27,"metamorphic grade is middle"]
[276,28,"greenschist"]
[277,1,"Exploration in the Skarn showing area took place in 1986 with"]
[277,2,"reconnaissance mapping at a scale of 1:10,000 and prospecting. The"]
[277,3,"actinolite and actinolite-sulphide Skarn showing developed along"]
[277,4,"the contact of a granite plug with greywacke and argillite. The"]
[277,5,"plug measures 300 m by 80 m and is a leucocratic, hypidomorphic"]
[277,6,"granular biotite-hornblende granodiorite (Plate 2). The skarn zone"]
[277,7,"is up to 10 m wide and divisible into an actinolite and sulphide-"]
[277,8,"actinolite skarn. The actinolite skarn is comprised of massive"]
[277,9,"actinolite with lesser amounts of plagioclase and minor calcite."]
[277,10,"The sulphide skarn, for the most part, contains up to 5%"]
[277,11,"arsenopyrie with lesser quantities of pyrrhotite and  pyrite."]
[277,12,"Samples collected from the sulphide skarn contained between 0.01"]
[277,13,"and 0.16 g/t gold. Three pod-like bodies of massive sulphide occur"]
[277,14,"within the sulphide skarn. The largest occurs at the southern tip"]
[277,15,"of the intrusive and measures 4 m by 1 m. This sulphide pod is"]
[277,16,"composed of chalcopyrite, pyrite, pyrrhotite, arsenopyrite and"]
[277,17,"nicolite. Two grab samples of the sulphides assayed 7.25 and 2.24 g/"]
[277,18,"t gold. The other two sulphide pods are mainly arsenopyrite and"]
[277,19,"pyrrhotite. Samples from these sulphides assayed 0.14 g/t gold over"]
[277,20,"2 m, 0.12 g/t over 2 m, and 0.01 g/t over 2 m (McClintock, J.,1987)."]
[278,1,"The IRA showing lies within the northeastern portion of the Archean"]
[278,2,"(>2.5 Ga) Slave Structural Province. The region is bordered by the"]
[278,3,"Aphebian age (>1.9 Ga) Bear Structural Province to the west, and"]
[278,4,"the Rae Structural Province to the east. The principal underlying"]
[278,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[278,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[278,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[278,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[278,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[278,10,"Intrusive rocks of Hudsonian age (1.8 Ga) and younger (1.2 Ga)"]
[278,11,"diabase dykes crosscut the older lithologies.  The Yellowknife"]
[278,12,"Supergroup in the property area is divided informally into three"]
[278,13,"major sequences.  The Back Group is the lowest sequence and is"]
[278,14,"comprised of felsic to intermediate flows, tuffs and breccias. The"]
[278,15,"Hackett River Group overlies the Back and consists of  volcanic"]
[278,16,"flows that range from felsic to mafic, as well as tuffs and"]
[278,17,"chemical sediments. The uppermost sequence is the Beechey Lake"]
[278,18,"Group, comprising turbidite sediments, greywacke, mudstone and iron"]
[278,19,"formation. Recent mapping by the Geological Survey of Canada"]
[278,20,"suggests that the Hackett River and the Back volcanic belts, which"]
[278,21,"are generally spatially separate, may be coeval in their upper"]
[278,22,"parts (Williamson and Olson, 1990).  At least four periods of"]
[278,23,"deformation have affected the Yellowknife Supergroup. Metamorphic"]
[278,24,"grade in the Back River Region ranges from sub-greenschist to upper"]
[278,25,"amphibolite facies."]
[279,1,"The IRA showing is within a small portion of a large granodioritic"]
[279,2,"intrusion (100 sq. km) that intruded the underlying Yellowknife"]
[279,3,"Supergroup turbidites and  minor volcaniclastic rocks. A number of"]
[279,4,"large mineralized quartz veins occur near the  intrusive contact. A"]
[279,5,"single major quartz vein is the primary focus of the IRA showing."]
[279,6,"The main mineralization of the IRA showing is within a single vein"]
[279,7,"structure that is 10-20 m wide and traceable for a strike length of"]
[279,8,"approximately 1300m. The vein has been offset by at least two"]
[279,9,"faults which have a 100 m southward displacement. Movement of the"]
[279,10,"faults has been interpretted as near vertical.  Bubar, 1983,"]
[279,11,"interprets the east-west structure hosting the mineralized quartz"]
[279,12,"vein as an early joint plane as there is no evidence of offset"]
[279,13,"where the vein and contact meet.  Mineralization of the vein"]
[279,14,"material consists of white massive to sugary quartz with a variable"]
[279,15,"sulphide content (up to 50%). The most abundant sulphide mineral is"]
[279,16,"chalcopyrite (up to 75% of total sulphide content)followed by"]
[279,17,"pyrite, pyrrhotite and molybdenite."]
[280,1,"The showing area has poor exposure with few outcroppings of the"]
[280,2,"mineralized quartz vein but it is well defined geophysically as a"]
[280,3,"continuous conductive zone. The sulphide rich portion of the vein"]
[280,4,"appears to be on the the hanging wall side (south side) of the vein."]
[280,5,"Work conducted on the IRA showing includes mapping at a 1:2000"]
[280,6,"scale, HLEM and VLF surveys, bedrock trenching and grid"]
[280,7,"construction. The detailed geology map from assessment report"]
[280,8,"081682 shows the detailed geology and the placement of the grid."]
[280,9,"Eight grab samples from the eastern portion of the of the vein"]
[280,10,"structure (grid line 0+00 to 6+00 averaged 4.87% Cu, 52.8 g/t Ag, 2."]
[280,11,"1 g/t Au and 0.11% MoS2. EM surveys over this area identified a"]
[280,12,"strong conductor coincident with the mineralized frost heave"]
[280,13,"continuous over 500 ft. and with an estimated width of 10-20 m."]
[280,14,"Two trenches were excavated, in the better of the two, three chip"]
[280,15,"samples assayed 2.466% Cu, 23.03 g/t Ag, 0.46 g/t Au and 0.146 MoS2"]
[280,16,"over 7 m or 1.954% Cu, 19.7 g/t Ag, 0.41 g/t Au and 0.146% MoS2"]
[280,17,"over the full 12.08 m trenched. The EM survey indicated that the"]
[280,18,"core of the conductor is situated coincident with an overburden"]
[280,19,"covered depression to the south of the trench which Bubar (1983)"]
[280,20,"suggests that the massive mineralization was not exposed in the"]
[280,21,"trenches."]
[281,1,"The Beech 1 showing lies within the northeastern portion of the"]
[281,2,"Archean Slave Structural Province. The principal underlying"]
[281,3,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[281,4,"consist mainly of volcanics and metasediments.   Reconnaissance"]
[281,5,"mapping and prospecting of the area around the  Beech 1 showing"]
[281,6,"took place in 1988 (no report) and 1990, concentrating on a N - S"]
[281,7,"trending metavolcanic unit that is approximately 400 m wide. The"]
[281,8,"Beech 1 showing is within a quartz vein swarm 50-100m wide and"]
[281,9,"approximately 700 m long, individual veins have an average width of"]
[281,10,"0.5 - 1 m with individual veins up to 2 m wide. The quartz veins"]
[281,11,"contain minor amounts of pyrite, pyrrhotite, chalcopyrite, galena"]
[281,12,"and native copper. The metavolcanic wallrocks are generally sheared"]
[281,13,"and gossanous and contain 10-15% pyrite and pyrrhotite locally.  Of"]
[281,14,"13 grab samples taken in 1990 of mineralized quartz vein material"]
[281,15,"the best value was 5.66 g/t Au. Two other samples assayed 2.91 and"]
[281,16,"5.55 g/t Au The other samples were less than 1 g/t Au. A 1988"]
[281,17,"sample assayed at 7.30 g/t Au but when it was resampled in 1990 it"]
[281,18,"assayed 0.07 g/t Au suggesting that  gold distribution may be"]
[281,19,"erratic within the quartz veins.  In 1993 exploration work was done"]
[281,20,"over the general claim  area to determine the potential for"]
[281,21,"locating diamond occurrences.  A fence of till, soil and 3 rock"]
[281,22,"(for ICP) samples were collected to sample for indicator minerals."]
[281,23,"One spinel of interest was recovered by sampling and was"]
[281,24,"interpretted to be from a lamproite rather than a kimberlite."]
[282,1,"The Beech  showing lies within the northeastern portion of the"]
[282,2,"Archean Slave Structural Province.  The principal underlying"]
[282,3,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[282,4,"consist mainly of volcanics and metasediments.  Reconnaissance"]
[282,5,"mapping and prospecting of the area around Beech showing took place"]
[282,6,"in 1988 (no report submitted) and 1990 and concentrated on a NS"]
[282,7,"trending metavolcanic unit that is approximately 400 m wide. The"]
[282,8,"Beech showing consists of three localities within the  hinge area"]
[282,9,"of a possible fold structure that have gold bearing quartz veins."]
[282,10,"A grab sample from a 10 cm wide quartz vein which contained 5%"]
[282,11,"pyrrhotite, 1% chalcopyrite, 1% pyrite and traces of native copper"]
[282,12,"assayed at 67.71 g/t Au. Other assay values from the area were 3.77"]
[282,13,"g/t, 1.20 g/t, 0.99 g/t and 0.58 g/t Au. Generally the area of the"]
[282,14,"showing is poorly exposed."]
[284,1,"The Casey Lake  showing lies within the northeastern portion of the"]
[284,2,"Archean Slave Structural Province.  The principal underlying"]
[284,3,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[284,4,"consist mainly of volcanics and metasediments.  The Casey Lake area"]
[284,5,"is underlain by Yellowknife Supergroup clastic metasediments which"]
[284,6,"are cut off to the south by a granitic pluton. A thin, NW striking,"]
[284,7,"steeply dipping band of intermediate to mafic volcanic rocks with"]
[284,8,"associated iron formation occur within the sedimentary sequence."]
[284,9,"The iron formation is mainly  silicate -  sulphide facies with"]
[284,10,"locally up to 15% pyrite +/- pyrrhotite. The iron formation (5-20 m"]
[284,11,"wide) was sampled at 100-150 m intervals along the exposed strike"]
[284,12,"length of  approximately 8 km. Rock and soil samples were analysed"]
[284,13,"for Cu, Pb, Zn, Ag, As and Au. The Casey Lake showing consists of"]
[284,14,"two samples that had assays above the cutoff for zinc (3100 & 3800"]
[284,15,"ppm), no other samples wereabove the cut off grade ."]
[286,1,"The Casey Lake  showing lies within the northeastern portion of the"]
[286,2,"Archean Slave Structural Province.  The principal underlying"]
[286,3,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[286,4,"consist mainly of volcanics and metasediments.  At the GM7"]
[286,5,"occurrence, minor felsic volcanics/dacite are found as thin"]
[286,6,"horizons with the intermediate volcanics. The metavolcanics were"]
[286,7,"mapped as a series of fault bounded lenses within a granite"]
[286,8,"intrusion and may be distal correlates of the Back River volcanic"]
[286,9,"complex (Assessment report 081656).   Sampling of the area included"]
[286,10,"rock and soil samples assayed for Cu, Pb, Zn, Ag, As, and Au. The"]
[286,11,"GM7 showing consists of one rock sample from pyritic (10% ) dacite"]
[286,12,"that assayed at 3300 ppm Zn."]
[287,1,"The Musk massive sulphide occurrences are located in the Hackett"]
[287,2,"River greenstone belt of the Slave structural province. They occur"]
[287,3,"near the transition between a dominantly mafic sequence and an"]
[287,4,"overlying, dominantly sedimentary sequence. This stratigraphic"]
[287,5,"position is generally occupied by a carbonate-rich, felsic"]
[287,6,"pyroclastic-tuff sequence which is well-developed.   The immediate"]
[287,7,"area of the Musk showing is underlain by a sequence of volcanic"]
[287,8,"rocks capped by chemical sediment. The deposit footwall comprises a"]
[287,9,"complexely interbedded sequence of rhyolite tuffs, lapilli tuffs"]
[287,10,"and crystal tuffs together with minor agglomerate and thin"]
[287,11,"rhyolitic flows. Massive sulphides occur near the top of a well-"]
[287,12,"foliated, recrystallized rhyolitic tuff and are manifested in a"]
[287,13,"number of small gossans sporadically developed over a 700 metre"]
[287,14,"strike length. Immediately overlying this mineralized unit are"]
[287,15,"massive pillowed basalt flows characterized by carbonate amygdules"]
[287,16,"and discontinuous zones of carbonate-cemented breccia. This unit is"]
[287,17,"overlain by a series of andesitic tuffs and flows which is in turn"]
[287,18,"overlain by a package of interbedded rhyolitic, rhyodacitic and"]
[287,19,"dacitic tuffs and agglomerates, all of which are carbonate-rich."]
[287,20,"This final sequence is capped by cherty, carbonate-rich tuffites."]
[287,21,"Diamond drilling has intersected two zones of"]
[287,22,"base metal enriched massive sulphides. The upper zone comprises"]
[287,23,"disseminated and poorly bedded to veined sphalerite, galena and"]
[287,24,"chalcopyrite with lesser pyrite and pyrrhotite, in an altered"]
[287,25,"felsic lapilli tuff."]
[288,1,"The lower sulphide horizon consists of massive sphalerite and"]
[288,2,"pyrite together with lesser pyrrhotite and galena. Chalcopyrite is"]
[288,3,"most typically found as stringer veins and disseminations in the"]
[288,4,"basal portions of the mineralized zones although it is present in"]
[288,5,"minor amounts throughout. Rough banding can be seen in some areas"]
[288,6,"and a gradation from a Zn-rich top to Cu-rich base is apparent in"]
[288,7,"most drill intersections.  Footwall alteration consisting of"]
[288,8,"chlorite, biotite, talc, sericite, garnet and minor anthophyllite"]
[288,9,"is variably developed below the mineralized horizon, which itself"]
[288,10,"is strongly silicified and is characterized by moderate chlorite,"]
[288,11,"biotite and carbonate alteration.  Work has been done on the Musk"]
[288,12,"showing area since 1974 and includes: an airborne survey which"]
[288,13,"identified a two line anomaly, this was followed up with geological"]
[288,14,"mapping and geophysical surveys including magnetometer, VLF-EM,"]
[288,15,"VLEM which identified sulphide mineralization in outcrop. Another"]
[288,16,"pass of geophysical surveys were done later on which included"]
[288,17,"gravity fluxgate magnetometer, HLEM, VLEM and VLF-EM as well as"]
[288,18,"geological mapping and diamond drilling (13 ddh totalling 1395 m)."]
[288,19,"A conductor was identified and drilling intersected high grade"]
[288,20,"massive sulphides. A follow up program of diamond drilling was done"]
[288,21,"(23 ddh totalling 2570 m) which outlined a geological inventory of"]
[288,22,"387,000 tons grading 1.2% Cu, 1.39% Pb, 10.38% Zn, 10.87 oz/ton Ag"]
[288,23,"and 0.049 oz/ton Au. Note: this geological inventory is based on a"]
[288,24,"total of 36  diamond drill holes.  The latest (1994) work done on"]
[288,25,"the showing was a DeepEM survey. AR"]
[288,26,"083324"]
[289,1,"Reconnaissance work was done over the HUNT Group Claims which"]
[289,2,"included mapping, sampling and ground geophysical work including"]
[289,3,"magnetometer and VLF-EM. No samples analysed had assay values above"]
[289,4,"the database cutoff. The location of showing is the approximate"]
[289,5,"centre of the Claim Group."]
[290,1,"The Fidler Lake area lies within the northeastern portion of the"]
[290,2,"Archean Slave Structural Province. The region is bordered by the"]
[290,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[290,4,"Structural Province to the east. The principal underlying"]
[290,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[290,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[290,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[290,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[290,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[290,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[290,11,"the older lithologies.  The Yellowknife Supergroup in the property"]
[290,12,"area is divided informally into three major sequences.  The Back"]
[290,13,"Group is the lowest sequence and is comprised of felsic to"]
[290,14,"intermediate flows, tuffs and breccias. The Hackett River Group"]
[290,15,"overlies the Back and consists of  volcanic flows that range from"]
[290,16,"felsic to mafic, as well as tuffs and chemical sediments. The"]
[290,17,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[290,18,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[290,19,"by the Geological Survey of Canada suggests that the Hackett River"]
[290,20,"and the Back volcanic belts, which are generally spatially separate,"]
[290,21,"may be coeval in their upper parts (Williamson and Olson, 1990)."]
[290,22,"At least four periods of deformation have affected the Yellowknife"]
[290,23,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[290,24,"sub-greenschist to upper amphibolite facies."]
[291,1,"Only 10% of the showing area is underlain by outcrop, the majority"]
[291,2,"of which are Beechey Lake Group sediments (NW striking, steeply"]
[291,3,"dipping) consisting of thin bedded to massive greywacke and"]
[291,4,"interbedded mudstones. Locally, interbedded magnetite-amphibole-"]
[291,5,"chlorite-chert iron formations exist within the greywackes in"]
[291,6,"narrow belts. Faults and shear zones trending W-NW cut through the"]
[291,7,"Beechey Lake Group rocks.  Gold is associated with sulphide"]
[291,8,"minerals within narrow discontinuous chlorite rich zones that exist"]
[291,9,"adjacent to white quartz veins that cut the iron formation and"]
[291,10,"greywacke. Typically, the quartz veins are concentrated within or"]
[291,11,"near iron formation +/- greywacke, are oriented either"]
[291,12,"perpendicular or parallel to the bedding of the sediments, range in"]
[291,13,"width from 1 to 50 cm, and have strike lengths to 5 m. The chlorite"]
[291,14,"rich sulphide bearing zones range from 0.1 to 3 m wide.  The Fidler"]
[291,15,"showing has been subjected to periodic exploration since 1946,"]
[291,16,"including mapping, prospecting, geochemical sampling, establishing"]
[291,17,"a grid and ground magnetometer surveying.  Assays from"]
[291,18,"reconnaissance sampling gave results of 0.63 oz/T Au, 0.26 oz/T Au"]
[291,19,"and 0.02 oz/T Au.  Grid sampling in conjunction with mapping gave"]
[291,20,"values of 4.3 g/t Au over 3 m (chip , 6.24 g/t Au, 5.52 g/t, 1.06 g/"]
[291,21,"t and 0.965 g/t Au from grab samples."]
[292,1,"The Ack showing  lies within the northeastern portion of the"]
[292,2,"Archean Slave Structural Province. The region is bordered by the"]
[292,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[292,4,"Structural Province to the east. The principal underlying"]
[292,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[292,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[292,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[292,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[292,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[292,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[292,11,"the older lithologies.  The Yellowknife Supergroup is divided"]
[292,12,"informally into three major sequences.  The Back Group is the"]
[292,13,"lowest sequence and is comprised of felsic to intermediate flows,"]
[292,14,"tuffs and breccias. The Hackett River Group overlies the Back and"]
[292,15,"consists of  volcanic flows that range from felsic to mafic, as"]
[292,16,"well as tuffs and chemical sediments. The uppermost sequence is the"]
[292,17,"Beechey Lake Group, comprising turbidite sediments, greywacke,"]
[292,18,"mudstone and iron formation. Recent mapping by the Geological"]
[292,19,"Survey of Canada suggests that the Hackett River and the Back"]
[292,20,"volcanic belts, which are generally spatially separate, may be"]
[292,21,"coeval in their upper parts.  At least four periods of deformation"]
[292,22,"have affected the Yellowknife Supergroup. Metamorphic grade ranges"]
[292,23,"from sub-greenschist to upper amphibolite facies."]
[293,1,"The Ack Showing is underlain by argilliceous greywacke interbedded"]
[293,2,"with silicate facies iron formation of the Beechey Lake Group and"]
[293,3,"the volumetrically less important mafic tuffs, felsic volcanic"]
[293,4,"flows and mudstones of the Ignerit formation (upper formation of"]
[293,5,"the Hackett River belt). Two bands of mineralized iron formation"]
[293,6,"have been identified within the showing area and have been called"]
[293,7,"historically either Showing #1 (or Main or Western) & #2 (or"]
[293,8,"Eastern). See figure 2 from assessment report 082964 for location."]
[293,9,"The Ack showing has been subjected to intermittant exploration"]
[293,10,"since 1964. Work done on the area includes mapping - both"]
[293,11,"reconnaissance and detailed, geophysical surveys - magnetometer and"]
[293,12,"self potential, magnetic total field and VLF-EM, geochemical"]
[293,13,"sampling, ICP, petrographic studies and diamond drilling."]
[293,14,"Geochemical sampling in assessment report 017134 listed grab sample"]
[293,15,"gold values as ranging from 0.43 to 0.64 oz/ton (Showing 1) and 0."]
[293,16,"61 to 0.84 oz/ton (Showing 2).  Eight diamond drill holes were"]
[293,17,"drilled in the Ack Showing area in 1964 for a total footage of 1485"]
[293,18,"feet. No assays had gold values above the data base cutoff."]
[293,19,"Sampling during 1982 yeilded the following gold values: 17,143 ppb,"]
[293,20,"34,286 ppb and 27,249 ppb Au.  In 1988 & 90 work done in the"]
[293,21,"showing area included further prospecting, mapping, geochemistry"]
[293,22,"(rock and soil sampling for Au and ICP) and geophysics (mag & VLF-"]
[293,23,"EM). The geophysical work done suggests the presence of extensive"]
[293,24,"silicate iron formation and oxide iron formation under overburden."]
[293,25,"In total 78 rock samples and 2 soil samples were collected. 16"]
[293,26,"samples had gold values ranging between 660 ppb and 40,800 ppb. 15"]
[293,27,"of these 16 samples ran above 1500 ppb Au. The 5 highest assay"]
[293,28,"values were: 40,8000, 29,900, 23,090, 17,300, and 15,300 ppb Au."]
[294,1,"The Needle Lake area lies within the northeastern portion of the"]
[294,2,"Archean Slave Structural Province. The region is bordered by the"]
[294,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[294,4,"Structural Province to the east. The principal underlying"]
[294,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[294,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[294,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[294,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[294,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[294,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[294,11,"the older lithologies.  The Needle Lake Area is within the Back"]
[294,12,"River region. The Yellowknife Supergroup in the property area is"]
[294,13,"divided informally into three major sequences.  The Back Group is"]
[294,14,"the lowest sequence and is comprised of felsic to intermediate"]
[294,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[294,16,"Back and consists of  volcanic flows that range from felsic to"]
[294,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[294,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[294,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[294,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[294,21,"Back volcanic belts, which are generally spatially separate, may be"]
[294,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[294,23,"four periods of deformation have affected the Yellowknife"]
[294,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[294,25,"sub-greenschist to upper amphibolite facies. In the Needle Lake"]
[294,26,"area the general metamorphic grade is upper greenschist but within"]
[294,27,"300 m of the Regan Intrusive Suite plutons the grade increases to"]
[294,28,"lower amphibolite grade and are increasingly deformed."]
[294,29,"Unmetamorphosed felsic dykes are common in the Needle Lake area and"]
[294,30,"appear to be spatially associated with the Regan Suite rocks."]
[295,1,"Three periods of iron formation deposition have been identified"]
[295,2,"within the Back and Beechey Lake Groups (Chandler et al, 1992). In"]
[295,3,"the property area, iron formations are believed to be equivalent"]
[295,4,"stratigraphically to the uppermost iron formations in the Beechey"]
[295,5,"Lake Group.  The Beechey Lake Group in the Back River region are"]
[295,6,"isoclinally folded greywackes, siliceous greywackes and mudstones"]
[295,7,"that are interbedded with iron formation and are steeply dipping."]
[295,8,"The iron formation consists mainly of magnetite and chert and is of"]
[295,9,"the oxide variety. Subordinate amounts of silicate iron formation"]
[295,10,"are also present (Williamson and Olson,1990).   In the Needle Lake"]
[295,11,"area the steeply dipping Yellowknife Supergroup rocks are folded"]
[295,12,"into a regional scale anticlinorium that has a SE plunge. The"]
[295,13,"Beechey Lake Group sediments, which include the iron formations,"]
[295,14,"occur within a E-SE striking belt. Where the Regan Intrusive Suite"]
[295,15,"rocks intruded, the trend of the Beechey Lake sediments is parallel"]
[295,16,"to the trend of the plutons.  Both oxide and silicate iron"]
[295,17,"formations occur within a sequence of interbedded greywacke and"]
[295,18,"mudstone but there is poor exposure as Quaternary glacial sand,"]
[295,19,"gravel and boulders cover approximately 90% of the Archean"]
[295,20,"Yellowknife Supergroup rocks in the Needle Lake area.  The well"]
[295,21,"banded oxide iron formation contains magnetite, chert, amphibole"]
[295,22,"and locally garnet. The poorly banded silicate iron formation"]
[295,23,"contains amphibole, chert, chlorite and garnet. Locally, both the"]
[295,24,"oxide and silicate iron formations contain sulphides which are"]
[295,25,"associated with white quartz veins that crosscut greywacke and"]
[295,26,"mudstone. The width of the iron formations range from 1 to 30 m,"]
[295,27,"the strike length is approximately 1.2 km."]
[296,1,"Ground geophysical data indicates that the iron formations are"]
[296,2,"complexly folded. The pattern exhibited by the magnetic contours at"]
[296,3,"Needle Lake area indicates that a belt of iron formation has been"]
[296,4,"openly folded into a large S shape. The length of this S shaped"]
[296,5,"fold from Pumpkin Lake to Needle Lake, Needle Lake to Dog Lake, and"]
[296,6,"Dog Lake to Scissors Lake is about 8 km.  A north-striking,"]
[296,7,"easterly dipping, strong intensity positive magnetic anomaly"]
[296,8,"indicates that the iron formations in the central portion of this S"]
[296,9,"shaped fold are tight to isoclinally folded. The pattern exhibited"]
[296,10,"by these positive magnetic anomalies indicate a fold closure exists"]
[296,11,"at or near the north end of Needle lake and at or south of Dog Lake"]
[296,12,"Williamson & Olson, 1990. See Dwgs. 0605.N-2 from assessment"]
[296,13,"report 082980 for the locations mentioned.  Gold bearing sulphide"]
[296,14,"zones in the iron formations at Needle Lake are associated with"]
[296,15,"quartz veins or zones of silicification. The most common sulphides"]
[296,16,"are pyrite and pyrrhotite. Less common is arsenopyrite."]
[296,17,"Arsenopyrite occurs as fine- to medium-grained, disseminated"]
[296,18,"acicular crystals and as massive bands that are invariably at or"]
[296,19,"near the margins of quartz veins or quartz-rich zones within the"]
[296,20,"iron formation. In general, gold occurrences within the Needle Grid"]
[296,21,"comprise arsenopyrite-bearing zones associated with quartz veins in"]
[296,22,"iron formation. However, in places, rock samples that were"]
[296,23,"collected from pyrite-bearing quartz veins in iron formation with"]
[296,24,"no arsenopyrite, assay greater than 10.0 grams gold per tonne (g/t"]
[296,25,"Au). Williamson & Olson,"]
[296,26,"1990"]
[297,1,"Exploration, including reconnaissance prospecting and sampling in"]
[297,2,"the Needle Lake area has taken place since 1983 (Johnston et al,"]
[297,3,"1985). In 1985 detailed exploration was done within the Needle Lake"]
[297,4,"area including rock chip sampling, trenching, overburden sampling"]
[297,5,"and geological mapping at a scale of 1:25. The 1985 season also"]
[297,6,"included further reconnaissance prospecting, sampling and mapping"]
[297,7,"at a 1:10,000 scale.  The 1985 rock samples were collected from"]
[297,8,"along the northwest and southeast shoreline of Needle Lake in two"]
[297,9,"belts of iron formation and from a third belt of iron formation"]
[297,10,"southwest of Scissor Lake.  Rock chip samples which were collected"]
[297,11,"from sulphide bearing iron formation in trench 85-7 assay up to 11."]
[297,12,"66 grams gold per tonne (g/t Au) across 1.5 m (Dwg. 5602-73). Rock"]
[297,13,"chip and rock grab samples which were collected during"]
[297,14,"reconnaissance prospecting from sulphide bearing zones within iron"]
[297,15,"formation, assay up to 43.65 g/t Au across 0.33 m and up to 28.97 g/"]
[297,16,"t Au respectively. Rock chip and rock grab samples which were"]
[297,17,"collected from sulphide bearing quartz veins hosted by greywacke or"]
[297,18,"schist derived from greywacke, assay up to 12.38 g/t Au. Such gold"]
[297,19,"bearing quartz veins are usually less than 0.25 m wide and have a"]
[297,20,"strike length of less than 10 m. They are, as well, typically near"]
[297,21,"gold bearing iron formation. Rock chip and rock grab samples that"]
[297,22,"were collected from sulphide bearing zones within greywacke,"]
[297,23,"mudstone or schist derived from greywacke that lack quartz veins,"]
[297,24,"assay 0.10 g/t Au or less (Johnston et al,1985)."]
[298,1,"1986 exploration included a ground magnetometer & VLF-EM survey,"]
[298,2,"prospecting, rock sampling and geological mapping at a scale of 1:"]
[298,3,"2000 and 1:50.  Twelve geographic locals had gold occurrences where"]
[298,4,"samples assayed greater than 3.00 g/t Au. Three rock chip and 27"]
[298,5,"rock grab or composite rock grab samples were collected at the"]
[298,6,"Needle Lake area. Gold assays range from less than 0.07 to 148.73 g/"]
[298,7,"t Au (Dwgs. 6601-207 and 6601-208). Six rock samples assay greater"]
[298,8,"than 10.00 g/t Au, eight rock samples assay between 3.00 and 10.00"]
[298,9,"g/t Au, and five samples assays less than 0.5 g/t Au. Dufresne &"]
[298,10,"Johnston, 1986.   Ground exploration was not performed between 1987"]
[298,11,"and 1989 in the Needle Lake area.  In 1988 & 1989 Aerodat Ltd."]
[298,12,"performed airborne geophysical surveys in the Needle Lake area.  In"]
[298,13,"1990 the area was subjected to grid surveying, prospecting, rock"]
[298,14,"sampling, ground magnetometer and VLF-EM surveying, geological"]
[298,15,"mapping at a 1:2,000 and 1:5000 scale and diamond drilling.  A"]
[298,16,"total of 24 composite rock grab samples, 204 grab samples and 91"]
[298,17,"drill core samples were assayed. 1,287.47 m of core was drilled in"]
[298,18,"13 holes, 11 holes at the Needle target and 2 at the Feline target."]
[298,19,"All 13 diamond drill holes intersected at least one unit of oxide"]
[298,20,"iron formation. Two holes had no sulphides, quartz veins or"]
[298,21,"associated alteration and were not sampled, five holes contained"]
[298,22,"narrow gold bearing sulphidic zones, two holes had visible gold."]
[298,23,"One drillhole intersected a 4.93 m wide sulphidic zone with low"]
[298,24,"gold content, and three drill holes intersected gold bearing zones"]
[298,25,"that had a gold grade times true width product greater than 20"]
[298,26,"grams times metres."]
[299,1,"The Moth Valley area lies within the northeastern portion of the"]
[299,2,"Archean Slave Structural Province. The region is bordered by the"]
[299,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[299,4,"Structural Province to the east. The principal underlying"]
[299,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[299,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[299,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[299,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[299,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[299,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[299,11,"the older lithologies.  The Moth Valley area is within the Back"]
[299,12,"River region. The Yellowknife Supergroup in the property area is"]
[299,13,"divided informally into three major sequences.  The Back Group is"]
[299,14,"the lowest sequence and is comprised of felsic to intermediate"]
[299,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[299,16,"Back and consists of  volcanic flows that range from felsic to"]
[299,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[299,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[299,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[299,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[299,21,"Back volcanic belts, which are generally spatially separate, may be"]
[299,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[299,23,"four periods of deformation have affected the Yellowknife"]
[299,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[299,25,"sub-greenschist to upper amphibolite facies. In the Needle Lake"]
[299,26,"area the general metamorphic grade is upper greenschist but within"]
[299,27,"300 m of the Regan Intrusive Suite plutons the grade increases to"]
[299,28,"lower amphibolite grade and are increasingly deformed."]
[299,29,"Unmetamorphosed felsic dykes are common in the Needle Lake area and"]
[299,30,"appear to be spatially associated with the Regan Suite rocks."]
[300,1,"Three periods of iron formation deposition have been identified"]
[300,2,"within the Back and Beechey Lake Groups (Chandler et al, 1992). In"]
[300,3,"the property area, iron formations are believed to be equivalent"]
[300,4,"stratigraphically to the uppermost iron formations in the Beechey"]
[300,5,"Lake Group.  The Beechey Lake Group in the Back River region are"]
[300,6,"isoclinally folded greywackes, siliceous greywackes and mudstones"]
[300,7,"that are interbedded with iron formation and are steeply dipping."]
[300,8,"The iron formation consists mainly of magnetite and chert and is of"]
[300,9,"the oxide variety. Subordinate amounts of silicate iron formation"]
[300,10,"are also present (Williamson and Olson,1990).  In the Moth Valley"]
[300,11,"area oxide iron formations with thin interbeds of silicate iron"]
[300,12,"formation occur within a sequence of interbedded greywacke and"]
[300,13,"mudstonet. Oxide iron formation is generally well banded and"]
[300,14,"contains magnetite and chert, with lesser amounts of chlorite,"]
[300,15,"amphibole and garnet. Silicate iron formation is poorly banded and"]
[300,16,"contains chlorite, amphibole, chert and garnet. Both types of iron"]
[300,17,"formation contain sulphides. In addition, they both contain thick"]
[300,18,"interbeds of greywacke or mudstone or both. In fold noses, the iron"]
[300,19,"formation and interbedded greywacke and mudstone form a unit that"]
[300,20,"is up to 100 m thick. Individual beds of iron formation within"]
[300,21,"these fold noses are up to 30 m thick. Williamson & Olson, 1990."]
[300,22,"The sequence of Beechey Lake Group sedimentary rocks in the Moth"]
[300,23,"Valley area is approximately 4 km in length and ranges from 0.6 to"]
[300,24,"1.5 km in width between Archean granitic plutons which occur to the"]
[300,25,"north and south. West trending shear zones exist within the"]
[300,26,"sedimentary sequence, subparallel to the stratigraphy. Several of"]
[300,27,"the shears are silicified.  No Archean dykes or unmetamorphosed"]
[300,28,"Helikian gabbroic dykes are present in the Moth Valley area."]
[301,1,"Three separate gold occurrences are noted in the Moth Valley area"]
[301,2,"(Blaster, Moth and Valley). The Valley and Moth occurrences exist"]
[301,3,"along the same linear, siliceous shear zone. The Blaster occurrence"]
[301,4,"is 250 m along strike of the last mapped portion of the siliceous"]
[301,5,"shear zone. The siliceous shear zone exists  subparallel and along"]
[301,6,"the south limb of an east closing fold defined by oxide iron"]
[301,7,"formation and has been traced in outcrop for approximately 1.5 km"]
[301,8,"along strike. Within this shear zone, individual shears range from"]
[301,9,"0.1 to 1 m in width. Where two or more parallel shears exist they"]
[301,10,"are usually 10 to 20 m apart. Iron formation or greywacke or both"]
[301,11,"host the siliceous shear zone.   Gold occurrences in the Moth"]
[301,12,"Valley are associated with sulphide bearing portions of iron"]
[301,13,"formation. The siliceous shear zone of the Moth Valley area"]
[301,14,"contains an average of 1 volume percent arsenopyrite but locally up"]
[301,15,"to 35%. Pyrite and pyrrhotite are also present. Arsenopyrite occurs"]
[301,16,"as 1 to 5 mm crystals that exist in or near quartz veins. Pyrite"]
[301,17,"occurs in veinlets, as irregular patches and/or as disseminations"]
[301,18,"in oxide and silicate iron formations. Pyrrhotite occurs as finely"]
[301,19,"disseminated grains.  In 1983 and 1984  prospecting and sampling"]
[301,20,"resulted in three gold occurrences (assays greater than 3 g/t Au)"]
[301,21,"being found in the Moth Valley area. See drawing 6601-203 from"]
[301,22,"Assessment Report #082134 for occurrence and sample sites. Dufresne"]
[301,23,"& Johnston, 1986 give the following results which are from 1983 and"]
[301,24,"1984 exploration:"]
[302,1,"Blaster gold occurrence (north of the west end of M Lake): A grab"]
[302,2,"sample of arsenopyrite bearing silicate iron formation assays 21.74"]
[302,3,"g/t Au, 180 to 600 m east along strike assays arsenopyrite bearing"]
[302,4,"oxide iron formation grab samples assay between 1.67 and 4.86 g/t"]
[302,5,"Au. These samples were collected from sulphide bearing iron"]
[302,6,"formation adjacent to crosscutting quartz veins. The sulphide"]
[302,7,"bearing zones are generally less than 3 m in strike length and less"]
[302,8,"than 1 m wide.  Moth gold occurrence(180 m NE of the east end of M"]
[302,9,"Lake): A grab sample from a 25 cm  by 2.5 m  arsenopyrite silicate"]
[302,10,"iron formation assayed at 3.38 g/t Au. West of this site three rock"]
[302,11,"samples from sulphidic zones of similar size and mineralogy assay"]
[302,12,"between 1.16 and 2.85 g/t Au.  Valley gold occurrence(approximately"]
[302,13,"250 m east along strike of the moth occurrence): Here the oxide"]
[302,14,"iron formation thickens to about 100 wide within a fold closure but"]
[302,15,"it contains numerous interbeds of greywacke and mudstone. The"]
[302,16,"sulphide bearing zones are generally less than 3 m in strike length"]
[302,17,"and 1 m wide. An arsenopyrite bearing sample assayed at 15.57"]
[302,18,"across 1.0 m. the zones are often coincident with abundant quartz"]
[302,19,"vein or silicified iron formation.  No ground exploration was done"]
[302,20,"in 1985.  Exploration of the area in 1986 consisted of prospecting,"]
[302,21,"sampling, and geological mapping at a scale of 1:5000. Two samples"]
[302,22,"were collected and assayed at 0.14 and 0.07 g/t Au."]
[303,1,"No ground exploration was performed in the Moth Valley area between"]
[303,2,"1987 and 1989. In 1988 & 1989 Aerodat Ltd. performed airborne"]
[303,3,"geophysical surveys in the Needle Lake area.  Exploration in 1990"]
[303,4,"consisted of surveying a tie line, sampling and geological mapping"]
[303,5,"at a scale of 1:5000. Twenty rock grab samples and 17 rock"]
[303,6,"composite samples were taken from the siliceous shear zone. Assays"]
[303,7,"include a grab sample of 46.49 g/t Au and a composite grab sample"]
[303,8,"of 10.59 g/t Au across 0.25 m."]
[304,1,"The Gollum Lake showing lies within the northeastern portion of the"]
[304,2,"Archean Slave Structural Province. The region is bordered by the"]
[304,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[304,4,"Structural Province to the east. The principal underlying"]
[304,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[304,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[304,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[304,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[304,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[304,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[304,11,"the older lithologies.  The Gollum Lake showing is within the Back"]
[304,12,"River region. The Yellowknife Supergroup in the property area is"]
[304,13,"divided informally into three major sequences.  The Back Group is"]
[304,14,"the lowest sequence and is comprised of felsic to intermediate"]
[304,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[304,16,"Back and consists of  volcanic flows that range from felsic to"]
[304,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[304,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[304,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[304,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[304,21,"Back volcanic belts, which are generally spatially separate, may be"]
[304,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[304,23,"four periods of deformation have affected the Yellowknife"]
[304,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[304,25,"sub-greenschist to upper amphibolite facies. In the Needle Lake"]
[304,26,"area the general metamorphic grade is upper greenschist but within"]
[304,27,"300 m of the Regan Intrusive Suite plutons the grade increases to"]
[304,28,"lower amphibolite grade and are increasingly deformed."]
[304,29,"Unmetamorphosed felsic dykes are common in the Needle Lake area and"]
[304,30,"appear to be spatially associated with the Regan Suite rocks."]
[305,1,"Three periods of iron formation deposition have been identified"]
[305,2,"within the Back and Beechey Lake Groups (Chandler et al, 1992). In"]
[305,3,"the property area, iron formations are believed to be equivalent"]
[305,4,"stratigraphically to the uppermost iron formations in the Beechey"]
[305,5,"Lake Group.  The Beechey Lake Group in the Back River region are"]
[305,6,"isoclinally folded greywackes, siliceous greywackes and mudstones"]
[305,7,"that are interbedded with iron formation and are steeply dipping."]
[305,8,"The iron formation consists mainly of magnetite and chert and is of"]
[305,9,"the oxide variety. Subordinate amounts of silicate iron formation"]
[305,10,"are also present (Williamson and Olson,1990).  In 1988 &1989"]
[305,11,"Aerodat Ltd. performed airborne geophysical surveys in the Needle/"]
[305,12,"Gollum Lake area.  In 1990 reconnaissance prospecting, sampling and"]
[305,13,"mapping at a scale of 1:20,000 was done in the Gollum Lake area."]
[305,14,"At Gollum Lake, there is a northeasterly trending, sulphide-bearing"]
[305,15,"shear zone within Beechey Lake Group sedimentary rocks adjacent to"]
[305,16,"a contact with a Regan Suite granitic pluton. The mineralized shear"]
[305,17,"zone can be traced for about 200 m, and is parallel to the contact"]
[305,18,"between Beechey Lake Group and the granitic pluton. The width of"]
[305,19,"the mineralized zone is undetermined due to poor exposure."]
[305,20,"Disseminated chalcopyrite, arsenopyrite and pyrite in amounts up to"]
[305,21,"2 volume percent are localized within quartz-rich zones in"]
[305,22,"greywacke. Most of the samples which were collected have an"]
[305,23,"anomalous gold content. One rock grab sample that was collected"]
[305,24,"from chalcopyrite- and arsenopyrite-bearing greywacke along this"]
[305,25,"shear zone assays 14.09 g Au/t (Dwg. 0605.N-5)(Williamson & Olson,"]
[305,26,"1990)."]
[306,1,"The Gollum Lake North Showing consists of two samples that had gold"]
[306,2,"values above the database cutoff. It lies within the northeastern"]
[306,3,"portion of the Archean Slave Structural Province. The region is"]
[306,4,"bordered by the Aphebian age Bear Structural Province to the west,"]
[306,5,"and the Rae Structural Province to the east. The principal"]
[306,6,"underlying supracrustal rocks belong to the Archean Yellowknife"]
[306,7,"Supergroup and consist mainly of volcanics and metasediments."]
[306,8,"Archean intrusive and metamorphic rocks also underlie the region."]
[306,9,"Early Proterozoic (Aphebian) clastic sedimentary and carbonate"]
[306,10,"sequences of the Goulburn Group unconformably overlie the Archean"]
[306,11,"rocks locally. Intrusive rocks of Hudsonian age and younger diabase"]
[306,12,"dykes crosscut the older lithologies.  In 1988 & 1989 Aerodat Ltd."]
[306,13,"performed airborne geophysical surveys in the Needle/Gollum  Lake"]
[306,14,"area.  In 1990 reconnaissance prospecting, sampling and mapping at"]
[306,15,"a scale of 1:20,000 was done in the Gollum Lake area.  A rock grab"]
[306,16,"sample from a pyrite-bearing quartz veins in silicate iron"]
[306,17,"formation, assayed 1.16 g/t Au, another sample assayed at 0.75 g/t"]
[306,18,"Au."]
[308,1,"The Phaedrus Lake showing lies within the northeastern portion of"]
[308,2,"the Archean Slave Structural Province. The principal underlying"]
[308,3,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[308,4,"consist mainly of volcanics and metasediments.   The Yellowknife"]
[308,5,"Supergroup in the property area is divided informally into three"]
[308,6,"major sequences. The Back Group is the lowest sequence and is"]
[308,7,"comprised of felsic to intermediate flows, tuffs and breccias. The"]
[308,8,"Hackett River Group overlies the Back and consists of  volcanic"]
[308,9,"flows that range from felsic to mafic, as well as tuffs and"]
[308,10,"chemical sediments. The uppermost sequence is the Beechey Lake"]
[308,11,"Group, comprising turbidite sediments, greywacke, mudstone and iron"]
[308,12,"formation. The Showing is underlain by rocks of the Back Group."]
[308,13,"Shears cut all rock types in the Phaedrus Lake area and locally,"]
[308,14,"along some of the shears the rocks are mineralized by gold bearing"]
[308,15,"sulphides.  In 1988 &1989 Aerodat Ltd. performed airborne"]
[308,16,"geophysical surveys in the Needle Lake area.  Rock grab samples"]
[308,17,"that were taken during 1990 reconnaissance prospecting and mapping"]
[308,18,"yielded gold values of 1.80 g/t Au and 0.54 g/t Au. These samples"]
[308,19,"were collected from chalcopyrite and arsenopyrite bearing quartz"]
[308,20,"veins within porphyritic andesite."]
[309,1,"The North Jaeger Lake showing lies within the northeastern portion"]
[309,2,"of the Archean Slave Structural Province. The principal underlying"]
[309,3,"supracrustal rocks belong to the Yellowknife Supergroup and consist"]
[309,4,"mainly of volcanics and metasediments.  In 1988 & 1989 Aerodat Ltd."]
[309,5,"performed airborne geophysical surveys in the Needle/Jaeger Lake"]
[309,6,"area.  The North Jaeger Lake showing consists of three rock grab"]
[309,7,"samples that assayed at 0.93 g/t Au, 0.88 g/t Au and 0.65 g/t Au."]
[309,8,"These samples were taken during reconnaissance prospecting in 1990."]
[309,9,"See dwg. 0606.N-10 from Assessment Report #082980 for the location."]
[309,10,"No further data is available re lithology etc."]
[310,1,"The BLS-3 showing lies within the northeastern portion of the"]
[310,2,"Archean Slave Structural Province. The principal underlying"]
[310,3,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[310,4,"consist mainly of volcanics and metasediments.  In 1987 seven rock"]
[310,5,"samples were collected from the BLS-3 shear zone. These samples"]
[310,6,"assayed between 4.05 g/t Au and 22.77 g/t Au (Williamson & Olson,"]
[310,7,"1990). There was no assessment report found for this exploration,"]
[310,8,"the information is solely from the reference given.   In 1988 &"]
[310,9,"1989 Aerodat Ltd. performed airborne geophysical surveys in the"]
[310,10,"Needle Lake area.  Reconnaissance prospecting was done in 1990. One"]
[310,11,"sample taken approximately 650 m SE of the 1987 samples in a"]
[310,12,"siliceous greywacke ran 8.19 g/t Au."]
[311,1,"The Feather Lake showing lies within the northeastern portion of"]
[311,2,"the Archean Slave Structural Province. The region is bordered by"]
[311,3,"the Aphebian age Bear Structural Province to the west, and the Rae"]
[311,4,"Structural Province to the east. The principal underlying"]
[311,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[311,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[311,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[311,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[311,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[311,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[311,11,"the older lithologies.  The Feather Lake showing is within the Back"]
[311,12,"River region. The Yellowknife Supergroup in the property area is"]
[311,13,"divided informally into three major sequences.  The Back Group is"]
[311,14,"the lowest sequence and is comprised of felsic to intermediate"]
[311,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[311,16,"Back and consists of  volcanic flows that range from felsic to"]
[311,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[311,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[311,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[311,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[311,21,"Back volcanic belts, which are generally spatially separate, may be"]
[311,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[311,23,"four periods of deformation have affected the Yellowknife"]
[311,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[311,25,"sub-greenschist to upper amphibolite facies. In the Needle Lake"]
[311,26,"area the general metamorphic grade is upper greenschist but within"]
[311,27,"300 m of the Regan Intrusive Suite plutons the grade increases to"]
[311,28,"lower amphibolite grade and are increasingly deformed."]
[311,29,"Unmetamorphosed felsic dykes are common in the Needle Lake area and"]
[311,30,"appear to be spatially associated with the Regan Suite rocks."]
[312,1,"Yellowknife Supergroup rocks in the area are folded into a steeply"]
[312,2,"dipping, NW striking, regional scale anticlinorium that plunges to"]
[312,3,"the SE.   The majority of the rocks that under lie the Feather Lake"]
[312,4,"area are greywacke mudstone turbidite sequences with interbedded"]
[312,5,"iron formation. Both oxide and silicate iron formations are present."]
[312,6,"The oxide iron formation are up to 20 m wide and have well defined"]
[312,7,"bedding which include layers of massive magnetite to quartz"]
[312,8,"magnetite. The silicate iron formation are usually less than 5 m"]
[312,9,"wide, are poorly banded but are distinctive from other chloritic"]
[312,10,"unit by the presence of grunerite.  Two main oxide iron formation"]
[312,11,"layers are mapped in the Feather Lake area, both are 3-4 m wide,"]
[312,12,"well bedded, and folded to achieve an apparent thickness of 40 m. A"]
[312,13,"third narrow,discontinuous layer is noted in the Feather Lake area."]
[312,14,"This layer varies from oxide to silicate iron formation along"]
[312,15,"strike."]
[313,1,"Mineralization consists of chloritized iron formation with"]
[313,2,"disseminated pyrrhotite, pyrite and chalcopyrite. Arsenopyrite was"]
[313,3,"only noted in one area. Quartz veining with chloritic sulphidized"]
[313,4,"margins are rare. The majority of quartz veins are tension gashes"]
[313,5,"that are best developed in thick arenite or greywacke beds.   An"]
[313,6,"airborne magnetometer survey of NTS sheet 76G/03 was flown by the"]
[313,7,"GSC in 1968. In 1981 Frith compiled the regional GSC mapping of the"]
[313,8,"area in the GSC Open file.   In 1983 and 1984 Trigg, Woolletts and"]
[313,9,"Olson Consulting conducted limited reconnaissance prospecting.  In"]
[313,10,"1988 Aerodat flew an airborne magnetometer survey over the area,"]
[313,11,"the data indicated three discontinuous to continuous oxide iron"]
[313,12,"formations that form an easternly plunging, folded and faulted"]
[313,13,"synform (Williamson & Olson, 1989).    In 1989 exploration included"]
[313,14,"reconnaissance prospecting, sampling, grid surveying, mapping, and"]
[313,15,"ground magnetometer and VLF-EM surveying. Of 124 rock samples"]
[313,16,"collected, gold assays range from 0.07 g Au/t to 15.19 g Au/t. Two"]
[313,17,"samples had assays of 5.06 g Au/t and 15.19 g/t Au, 27 samples"]
[313,18,"assayed between 0.15 and 3 g/t Au. The samples that assay greater"]
[313,19,"than 0.15 g/t Au generally have greater than 4 volume percent"]
[313,20,"pyrite or pyrrhotite or both in association with quartz and"]
[313,21,"chlorite.  Drawing 9608.I-2 from assessment report #082854 gives"]
[313,22,"the sample locations and geology of the area.  In 1994, exploration"]
[313,23,"consisted of mapping and sampling of rock and till. Mineralization"]
[313,24,"was found to be spotty and of 362 samples collected, none assayed"]
[313,25,"greater than 10 g Au/t. Repeat samples taken from the the areas of"]
[313,26,"the 8 and 15.19 g/t Au assays from 1989 assayed 0.7 and 0.3 g/t Au."]
[313,27,"Malley Rapids Sheet 2 from assessment report #083394 shows the"]
[313,28,"geology and sample locations."]
[314,1,"The Bor Lake showing lies within the northeastern portion of the"]
[314,2,"Archean Slave Structural Province. The region is bordered by the"]
[314,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[314,4,"Structural Province to the east. The principal underlying"]
[314,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[314,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[314,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[314,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[314,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[314,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[314,11,"the older lithologies.  The rocks that underlie the Feather Lake"]
[314,12,"area are greywacke mudstone turbidite sequences with sparse"]
[314,13,"outcroppings of interbedded iron formation. Both oxide and silicate"]
[314,14,"iron formations are present. The oxide iron formation are up to 20"]
[314,15,"m wide and have well defined bedding which include layers of"]
[314,16,"massive magnetite to quartz magnetite. The silicate iron formation"]
[314,17,"are usually less than 5 m wide, are poorly banded but are"]
[314,18,"distinctive from other chloritic unit by the presence of grunerite."]
[314,19,"Exploration in the Bor Lake/Malley Rapids area has included:"]
[314,20,"Airborne magnetometer survey by the Geological Survey of Canada in"]
[314,21,"1968 of NTS map sheet 076G/03.  During 1983 and 1984 reconnaissance"]
[314,22,"prospecting and sampling were done with rock grab samples assaying"]
[314,23,"up to 0.3 g/t Au(Williamson & Olson, 1989).  In 1988 an airborne"]
[314,24,"magnetometer, VLF-EM and muilticoil, multifrequency electromagnetic"]
[314,25,"geophysical survey was done by Aerodat Ltd.  Exploration in 1989"]
[314,26,"involved reconnaissance prospecting, mapping, and sampling along"]
[314,27,"airborne magnetic anomalies or airborne electromagnetic conductors."]
[314,28,"Assays listed are all under 0.3 g/t Au.  One sample from 1994"]
[314,29,"reconnaissance mapping assayed at 555 ppb. See Malley Rapids Sheet"]
[314,30,"4 from assessment report #083394 for locations."]
[315,1,"The Bor Lake SE showing lies within the northeastern portion of the"]
[315,2,"Archean Slave Structural Province. The region is bordered by the"]
[315,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[315,4,"Structural Province to the east. The principal underlying"]
[315,5,"supracrustal rocks belong to the Yellowknife Supergroup and consist"]
[315,6,"mainly of volcanics and metasediments. Archean intrusive and"]
[315,7,"metamorphic rocks also underlie the region. Early Proterozoic"]
[315,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[315,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[315,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[315,11,"the older lithologies.  The rocks that underlie the Bor Lake SE"]
[315,12,"area are greywacke mudstone turbidite sequences with interbedded"]
[315,13,"iron formation. Both oxide and silicate iron formations are present."]
[315,14,null]
[316,1,"Exploration in the Bor Lake SE/Malley Rapids area has included:"]
[316,2,"Airborne magnetometer survey by the Geological Survey of Canada in"]
[316,3,"1968 of NTS map sheet 076G/03.  During 1983 and 1984 reconnaissance"]
[316,4,"prospecting and sampling were done with rock grab samples assaying"]
[316,5,"up to 0.3 g/t Au (Williamson & Olson, 1989).  In 1988 an airborne"]
[316,6,"magnetometer, VLF-EM and muilticoil, multifrequency electromagnetic"]
[316,7,"geophysical survey was done by Aerodat Ltd.  Exploration in 1989"]
[316,8,"involved reconnaissance prospecting, mapping and sampling along"]
[316,9,"airborne magnetic anomalies or airborne electromagnetic conductors"]
[316,10,"in the area but no samples were taken from this particular site."]
[316,11,"In 1994 the area was subjected to prospecting and sampling. One"]
[316,12,"sample taken from a  large outcrop of rusty quartz-grunerite-"]
[316,13,"chlorite iron formation that was crosscut by quartz veins and"]
[316,14,"sulphidized with pyrrhotite and pyrite had an assay of 601 ppb g/t"]
[316,15,"Au."]
[317,1,"The Zone F showing lies within the northeastern portion of the"]
[317,2,"Archean Slave Structural Province. The region is bordered by the"]
[317,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[317,4,"Structural Province to the east. The principal underlying"]
[317,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[317,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[317,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[317,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[317,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[317,10,"Intrusive rocks of Hudsonian age and younger  diabase dykes"]
[317,11,"crosscut the older lithologies.  The Zone F showing is within the"]
[317,12,"Back River region. The Yellowknife Supergroup in the property area"]
[317,13,"is divided informally into three major sequences.  The Back Group"]
[317,14,"is the lowest sequence and is comprised of felsic to intermediate"]
[317,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[317,16,"Back and consists of  volcanic flows that range from felsic to"]
[317,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[317,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[317,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[317,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[317,21,"Back volcanic belts, which are generally spatially separate, may be"]
[317,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[317,23,"four periods of deformation have affected the Yellowknife"]
[317,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[317,25,"sub-greenschist to upper amphibolite facies."]
[318,1,"Three periods of iron formation deposition have been identified"]
[318,2,"within the Back and Beechey Lake Groups (Chandler et al, 1992). In"]
[318,3,"the property area, iron formations are believed to be equivalent"]
[318,4,"stratigraphically to the uppermost iron formations in the Beechey"]
[318,5,"Lake Group.  The Beechey Lake Group in the Back River region are"]
[318,6,"isoclinally folded greywackes, siliceous greywackes and mudstones"]
[318,7,"that are interbedded with iron formation and are steeply dipping."]
[318,8,"The iron formation consists mainly of magnetite and chert and is of"]
[318,9,"the oxide variety. Subordinate amounts of silicate iron formation"]
[318,10,"are also present (Williamson and Olson,1990).  The rocks that"]
[318,11,"underlie the Zone F area are greywacke mudstone turbidite sequences"]
[318,12,"with interbedded iron formation. A mantle of quaternary glacial"]
[318,13,"material covers most of the area of Zone F. Sporatic exposure of"]
[318,14,"sulphidized oxide iron formation lies along a shallow fold hinge."]
[319,1,"Exploration in the Zone F/Malley Rapids area has included: Airborne"]
[319,2,"magnetometer survey by the Geological Survey of Canada in 1968 of"]
[319,3,"NTS map sheet 076G/03.  During 1983 and 1984 reconnaissance"]
[319,4,"prospecting and sampling were done with rock grab samples assaying"]
[319,5,"up to 0.3 g/t Au (Williamson & Olson, 1989).  In 1988 an airborne"]
[319,6,"magnetometer, VLF-EM and muilticoil, multifrequency electromagnetic"]
[319,7,"geophysical survey was done by Aerodat Ltd.  Exploration in 1989"]
[319,8,"involved reconnaissance prospecting, mapping and sampling along"]
[319,9,"airborne magnetic anomalies or airborne electromagnetic conductors"]
[319,10,"in the area. Samples assayed up to 0.48 g/t Au.   In 1994 this area"]
[319,11,"was mapped and resampled. Of 22 samples taken, one sample assayed"]
[319,12,"over 1 g/t Au. Other grab samples yeilded assays of 578 ppb, 637"]
[319,13,"ppb, 734 ppb and 758 ppb Au."]
[320,1,"The Bee showing lies within the northeastern portion of the Archean"]
[320,2,"Slave Structural Province. The region is bordered by the Aphebian"]
[320,3,"age Bear Structural Province to the west, and the Rae Structural"]
[320,4,"Province to the east. The principal underlying supracrustal rocks"]
[320,5,"belong to the Archean Yellowknife Supergroup and consist mainly of"]
[320,6,"volcanics and metasediments. Archean intrusive and metamorphic"]
[320,7,"rocks also underlie the region. Early Proterozoic (Aphebian)"]
[320,8,"clastic sedimentary and carbonate sequences of the Goulburn Group"]
[320,9,"unconformably overlie the Archean rocks locally. Intrusive rocks of"]
[320,10,"Hudsonian age and younger diabase dykes crosscut the older"]
[320,11,"lithologies.  The Bee showing is within the Back River region. The"]
[320,12,"Yellowknife Supergroup in the property area is divided informally"]
[320,13,"into three major sequences.  The Back Group is the lowest sequence"]
[320,14,"and is comprised of felsic to intermediate flows, tuffs and"]
[320,15,"breccias. The Hackett River Group overlies the Back and consists of"]
[320,16,"volcanic flows that range from felsic to mafic, as well as tuffs"]
[320,17,"and chemical sediments. The uppermost sequence is the Beechey Lake"]
[320,18,"Group, comprising turbidite sediments, greywacke, mudstone and iron"]
[320,19,"formation. Recent mapping by the Geological Survey of Canada"]
[320,20,"suggests that the Hackett River and the Back volcanic belts, which"]
[320,21,"are generally spatially separate, may be coeval in their upper"]
[320,22,"parts (Williamson and Olson, 1990).  At least four periods of"]
[320,23,"deformation have affected the Yellowknife Supergroup. Metamorphic"]
[320,24,"grade in the Back River Region ranges from sub-greenschist to upper"]
[320,25,"amphibolite facies."]
[321,1,"Yellowknife Supergroup rocks in the area are folded into a steeply"]
[321,2,"dipping, NW striking, regional scale anticlinorium that plunges to"]
[321,3,"the SE. The Bee showing area is underlain by siltstones, greywackes,"]
[321,4,"mafic to intermediate volcanic rocks and minor mafic/felsic tuffs"]
[321,5,"that have been metamorphosed to mid greenschist grade.  Plate 2"]
[321,6,"from assessment report 081969 shows the rock types and"]
[321,7,"relationships.  The mafic, volcanic unit is about 400 m wide and"]
[321,8,"lies between siltstones to the south and greywackes to the north."]
[321,9,"They consist mainly of sheared pillow basalt. Locally, where"]
[321,10,"shearing is more intense, these rocks are converted to chloritic"]
[321,11,"schists that are cut by carbonate veinlets. The tuffaceous rocks"]
[321,12,"outcrop sporatically within a 30 m wide draw near the upper part of"]
[321,13,"the mafic volcanic unit. This fragmental unit consists of"]
[321,14,"interbedded mafic and felsic tuffs with thin cherty and"]
[321,15,"argilliceous layers. The mafic tuffs are variously chloritized and"]
[321,16,"in places are now chlorite schist, containing up to 10%"]
[321,17,"disseminated opyrite. Felsic tuffs, usually containing 1-2 mm"]
[321,18,"diameter quartz eyes, occur in beds 1/2 to up to 5 m wide. They are"]
[321,19,"variously sericitized and in places they are sericitic schists, up"]
[321,20,"to 1 m in width, containing 5-10% disseminated to streaky pyrite"]
[321,21,"and minor arsenopyrite. It is within these pyritic, sericitic,"]
[321,22,"arsenopyritic-bearing schists (Main showing, Plate 2) that the best"]
[321,23,"gold values occur. Minor quartz veinlets occur throughout the Main"]
[321,24,"showing area, which is exposed over a strike length of about 100 m"]
[321,25,"before disappearing into a lake to the east and overburden to the"]
[321,26,"west. (Sorbara, 1985)"]
[322,1,"A GSC reconnaissance lake sediment geochemical survey was done in"]
[322,2,"in the Bee area as part of a larger study which sampled silts for"]
[322,3,"Cu, Pb, Zn, Ni, U, Mn, Fe, K2O and organics (Allan et. al., 1972)."]
[322,4,"In 1974 the area was mapped at a 1:50,000 scale and the area was"]
[322,5,"prospected for sulphide mineralization and in the area of a"]
[322,6,"granitic pluton for uranium. Geochemical sampling was done for Cu,"]
[322,7,"Pb, Zn, Ag , Au and As.  Sampling in 1974 did not result in any"]
[322,8,"anomalous samples within the Bee area.  1975 exploration included"]
[322,9,"geological mapping at a scale of 1inch = 1250ft, prospecting, rock"]
[322,10,"and soil sampling. One gold occurrence was discovered immediately"]
[322,11,"SW of Awm Lake within an interbedded unit of black slates and"]
[322,12,"chlorite schist which contained arsenopyrite and pyrite. The chip"]
[322,13,"sample assayed at 0.098 oz/ton Au across 10 feet.  1985 exploration"]
[322,14,"consisted of grid marking, geological mapping, trenching, rock"]
[322,15,"sampling, ground magnetics and VLF-EM surveys. Two samples from the"]
[322,16,"Main showing (See Plate 2 from assessment report # 091969) assayed"]
[322,17,"at 1,920 and 1,910 ppb gold respectively from a highly sericitic"]
[322,18,"felsic tuff that had streaky pyrite. 19 line km of ground magnetics"]
[322,19,"and VLF-EM were completed over the Bee (Main) showing. The magnetic"]
[322,20,"survey only delineated the diabase dykes. Four VLF-EM conductors"]
[322,21,"were found parallel to the strike of the stratigraphy. The"]
[322,22,"southernmost conductor is at least 2300 m long and occurs along a"]
[322,23,"mafic volcanic/siltstone contact, a conductor immediately to the"]
[322,24,"north is totally covered by overburden - no  explanation for either"]
[322,25,"was given.  The conductor coincident with the Bee (Main) showing"]
[322,26,"has a strike length of at least 1700 m. The northernmost conductor"]
[322,27,"does outcrop but no explanation was noted for same."]
[323,1,"The Robbs Pond showing lies within the northeastern portion of the"]
[323,2,"Archean Slave Structural Province. The region is bordered by the"]
[323,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[323,4,"Structural Province to the east. The principal underlying"]
[323,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[323,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[323,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[323,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[323,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[323,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[323,11,"the older lithologies.  Rocks underlying the Robbs Lake area are"]
[323,12,"mainly schists derived from a greywacke-mudstone sequence and"]
[323,13,"various facies of iron formation. To the south, a band of grey-"]
[323,14,"green non banded phyllites and fine grained mica schists were"]
[323,15,"mapped between the greywacke units.   A GSC reconnaissance lake"]
[323,16,"sediment geochemical survey was done in in the Bee area as part of"]
[323,17,"a larger study which sampled silts for Cu, Pb, Zn, Ni, U, Mn, Fe,"]
[323,18,"K2O and organics (Allan et. al., 1972).  In 1974 the area was"]
[323,19,"mapped at a 1:50,000 scale and the area was prospected for sulphide"]
[323,20,"mineralization and in the area of a granitic pluton for uranium."]
[323,21,"Geochemical sampling was done for Cu, Pb, Zn, Ag , Au and As.  In"]
[323,22,"assessment report 061343, one Zn value of 0.54% was noted but not"]
[323,23,"located on the accompanying map. Two assays had gold values of 0.48"]
[323,24,"ounces per ton and 1.44 ppm respectively. These samples were"]
[323,25,"located 800 ft apart in bands or lenses of pyritic meta-chert"]
[323,26,"interlayered with amphibolite. No other anomalous results were"]
[323,27,"noted.  1975 exploration included geological mapping at a scale of"]
[323,28,"1inch = 1250 ft, prospecting, rock and soil sampling. No anomalous"]
[323,29,"samples were obtained from the Robbs Lake area."]
[324,1,"In 1985 the area that the grab sample of 0.48 opt Au was taken in"]
[324,2,"1974 was resampled but no gold values of interest (sic) were found"]
[324,3,"and Sorbara, 1985 suggests that the original sample was misplotted."]
[325,1,"The DOX 2380 showing lies within the northeastern portion of the"]
[325,2,"Archean Slave Structural Province. The region is bordered by the"]
[325,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[325,4,"Structural Province to the east. The principal underlying"]
[325,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[325,6,"consist mainly of volcanics and metasediments.   Yellowknife"]
[325,7,"Supergroup rocks in the area are folded into a steeply dipping, NW"]
[325,8,"striking, regional scale anticlinorium that plunges to the SE."]
[325,9,"Rocks underlying the sample area are mainly semi-pelite and pelite"]
[325,10,"(siltstone and shale) with chloritic interbands and various facies"]
[325,11,"of iron formation.   A GSC reconnaissance lake sediment geochemical"]
[325,12,"survey was done in in the Bee area as part of a larger study which"]
[325,13,"sampled silts for Cu, Pb, Zn, Ni, U, Mn, Fe, K2O and organics"]
[325,14,"(Allan et. al., 1972).  In 1974 the area was mapped at a 1:50,000"]
[325,15,"scale and the area was prospected for sulphide mineralization and"]
[325,16,"in the area of a granitic pluton for uranium. Geochemical sampling"]
[325,17,"was done for Cu, Pb, Zn, Ag , Au and As.  In assessment report"]
[325,18,"061343, one Zn value of 0.54% was noted but not located on the"]
[325,19,"accompanying map. No anomalous gold values were reported for this"]
[325,20,"area.  1975 exploration included geological mapping , prospecting,"]
[325,21,"rock and soil sampling. One anomalous gold value assayed at 0.018"]
[325,22,"oz/t."]
[326,1,"The DOX 2384 consists of one sample that lies within the"]
[326,2,"northeastern portion of the Archean Slave Structural Province. The"]
[326,3,"region is bordered by the Aphebian age  Bear Structural Province to"]
[326,4,"the west, and the Rae Structural Province to the east. The"]
[326,5,"principal underlying supracrustal rocks belong to the Yellowknife"]
[326,6,"Supergroup.   A GSC reconnaissance lake sediment geochemical survey"]
[326,7,"was done in in the Bee area as part of a larger study which sampled"]
[326,8,"silts for Cu, Pb, Zn, Ni, U, Mn, Fe, K2O and organics (Allan et. al."]
[326,9,", 1972).  In 1974 the area was mapped at a 1:50,000 scale and the"]
[326,10,"area was prospected for sulphide mineralization and in the area of"]
[326,11,"a granitic pluton for uranium. Geochemical sampling was done for Cu,"]
[326,12,"Pb, Zn, Ag , Au and As.  In assessment report 061343, one Zinc"]
[326,13,"value of 0.54% was noted but not located on the accompanying map."]
[326,14,"1975 exploration included geological mapping, prospecting, rock and"]
[326,15,"soil sampling. One sample from a silicate-oxide iron formation/"]
[326,16,"minor sulphide iron formation had an assay of 0.03 oz/t Au."]
[327,1,"The DOX 2372 Showing consists of a single sample. It lies within"]
[327,2,"the northeastern portion of the Archean  Slave Structural Province."]
[327,3,"The principal underlying supracrustal rocks belong to the Archean"]
[327,4,"Yellowknife Supergroup and consist mainly of volcanics and"]
[327,5,"metasediments.  A GSC reconnaissance lake sediment geochemical"]
[327,6,"survey was done in in the Bee area as part of a larger study which"]
[327,7,"sampled silts for Cu, Pb, Zn, Ni, U, Mn, Fe, K2O and organics"]
[327,8,"(Allan et. al., 1972).  In 1974 the area was mapped at a 1:50,000"]
[327,9,"scale and the area was prospected for sulphide mineralization and"]
[327,10,"in the area of a granitic pluton for uranium. Geochemical sampling"]
[327,11,"was done for Cu, Pb, Zn, Ag , Au and As.  In assessment report"]
[327,12,"061343, one Zinc value of 0.54% was noted but not located on the"]
[327,13,"accompanying map.  No other anomalous results were noted.  1975"]
[327,14,"exploration included geological mapping, prospecting, rock and soil"]
[327,15,"sampling. One anomalous sample from a pyritic iron formation had a"]
[327,16,"gold value of 0.02 oz/t."]
[328,1,"The H-106 is a single sample showing that lies within the"]
[328,2,"northeastern portion of the Archean Slave Structural Province. The"]
[328,3,"region is bordered by the Aphebian age Bear Structural Province to"]
[328,4,"the west, and the Rae Structural Province to the east. The"]
[328,5,"principal underlying supracrustal rocks belong to the Yellowknife"]
[328,6,"Supergroup and consist mainly of volcanics and metasediments.  In"]
[328,7,"1985 a reconnaissance mapping and prospecting program was"]
[328,8,"undertaken over an area that was covered by three prospecting"]
[328,9,"permits (PP1053, 1054 & 1055). A sedimentary stratigraphy was"]
[328,10,"identified that hosts amphibolitic iron formation over a 23 km"]
[328,11,"strike length. The sporatic amphibolite-magnetite iron formations"]
[328,12,"are locally cherty and rarely sulphidic. Both the bedding and the"]
[328,13,"foliation of the sedimentary package trend at 130-140 degrees with"]
[328,14,"moderate to steep NW dips. Of 143 samples taken, 6 assayed over 500"]
[328,15,"ppb Au.  In the showing area, one sample of undifferentiated iron"]
[328,16,"formation assayed at 690 ppb Au."]
[329,1,"The F-74 showing is a single sample site that lies within the"]
[329,2,"northeastern portion of the Archean Slave Structural Province. The"]
[329,3,"principal underlying supracrustal rocks belong to the Yellowknife"]
[329,4,"Supergroup and consist mainly of volcanics and metasediments.   In"]
[329,5,"1985 a reconnaissance mapping and prospecting program was"]
[329,6,"undertaken over an area that was covered by three prospecting"]
[329,7,"permits (PP1053, 1054 & 1055). A sedimentary stratigraphy was"]
[329,8,"identified that hosts amphibolitic iron formation over a 23 km"]
[329,9,"strike length. The sporatic amphibolite-magnetite iron formations"]
[329,10,"are locally cherty and rarely sulphidic. Both the bedding and the"]
[329,11,"foliation of the sedimentary package trend at 130-140 degrees with"]
[329,12,"moderate to steep NW dips. Of 143 rock samples taken, 6 grab"]
[329,13,"samples assayed over 500 ppb Au.  In the showing area, one sample"]
[329,14,"of silicate/sulphide iron formation assayed at 522 ppb Au."]
[330,1,"The K-97A showing lies within the northeastern portion of the"]
[330,2,"Archean (>2.5 Ga) Slave Structural Province. The region is bordered"]
[330,3,"by the Aphebian age (>1.9 Ga) Bear Structural Province to the west,"]
[330,4,"and the Rae Structural Province to the east. The principal"]
[330,5,"underlying supracrustal rocks belong to the Archean Yellowknife"]
[330,6,"Supergroup and consist mainly of volcanics and metasediments."]
[330,7,"Archean intrusive and metamorphic rocks also underlie the region."]
[330,8,"Early Proterozoic (Aphebian) clastic sedimentary and carbonate"]
[330,9,"sequences of the Goulburn Group unconformably overlie the Archean"]
[330,10,"rocks locally. Intrusive rocks of Hudsonian age (1.8 Ga) and"]
[330,11,"younger (1.2 Ga) diabase dykes crosscut the older lithologies.  The"]
[330,12,"K-97A showing is within the Back River region. The Yellowknife"]
[330,13,"Supergroup in the property area is divided informally into three"]
[330,14,"major sequences.  The Back Group is the lowest sequence and is"]
[330,15,"comprised of felsic to intermediate flows, tuffs and breccias. The"]
[330,16,"Hackett River Group overlies the Back and consists of  volcanic"]
[330,17,"flows that range from felsic to mafic, as well as tuffs and"]
[330,18,"chemical sediments. The uppermost sequence is the Beechey Lake"]
[330,19,"Group, comprising turbidite sediments, greywacke, mudstone and iron"]
[330,20,"formation. Recent mapping by the Geological Survey of Canada"]
[330,21,"suggests that the Hackett River and the Back volcanic belts, which"]
[330,22,"are generally spatially separate, may be coeval in their upper"]
[330,23,"parts (Williamson and Olson, 1990).  At least four periods of"]
[330,24,"deformation have affected the Yellowknife Supergroup. Metamorphic"]
[330,25,"grade in the Back River Region ranges from sub-greenschist to upper"]
[330,26,"amphibolite facies."]
[331,1,"In 1985 a reconnaissance mapping and prospecting program was"]
[331,2,"undertaken over an area that was covered by three prospecting"]
[331,3,"permits (PP1053, 1054 & 1055). A sedimentary stratigraphy was"]
[331,4,"identified that hosts amphibolitic iron formation over a 23 km"]
[331,5,"strike length. The sporatic amphibolite-magnetite iron formations"]
[331,6,"are locally cherty and rarely sulphidic. Both the bedding and the"]
[331,7,"foliation of the sedimentary package trend at 130-140 degrees with"]
[331,8,"moderate to steep NW dips. Of 143 rock samples taken, 6 grab"]
[331,9,"samples assayed over 500 ppb Au.  The single sample that represents"]
[331,10,"this showing is from a felsic tuff/flow that outcrops in the SW"]
[331,11,"region of  PP1054. The sample site [ See Plate 2 (assessment report"]
[331,12,"081937)] is near a limestone/skarn contact area that  is adjacent"]
[331,13,"to the greywacke shale biotite schist sediment package.  In the"]
[331,14,"showing area, this single sample assayed at 580 ppb Au."]
[332,1,"The K-117 & K-140 showing lies within the northeastern portion of"]
[332,2,"the Archean Slave Structural Province. The region is bordered by"]
[332,3,"the Aphebian age Bear Structural Province to the west, and the Rae"]
[332,4,"Structural Province to the east. The principal underlying"]
[332,5,"supracrustal rocks belong to the Yellowknife Supergroup and consist"]
[332,6,"mainly of volcanics and metasediments.  In 1985 a reconnaissance"]
[332,7,"mapping and prospecting program was undertaken over an area that"]
[332,8,"was covered by three prospecting permits (PP1053, 1054 & 1055). A"]
[332,9,"sedimentary stratigraphy was identified that hosts amphibolitic"]
[332,10,"iron formation over a 23 km strike length. The sporatic amphibolite-"]
[332,11,"magnetite iron formations are locally cherty and rarely sulphidic."]
[332,12,"Both the bedding and the foliation of the sedimentary package trend"]
[332,13,"at 130-140 degrees with moderate to steep NW dips. Of 143 rock"]
[332,14,"samples taken, 6 grab samples assayed over 500 ppb Au.  In the"]
[332,15,"showing area, two samples of silicate/sulphide iron formation"]
[332,16,"assayed at 1934 and 884 ppb Au respectively."]
[333,1,"The Dior is a single sample showing that lies within the"]
[333,2,"northeastern portion of the Archean Slave Structural Province. The"]
[333,3,"region is bordered by the Aphebian age Bear Structural Province to"]
[333,4,"the west, and the Rae Structural Province to the east. The"]
[333,5,"principal underlying supracrustal rocks belong to the Archean"]
[333,6,"Yellowknife Supergroup and consist mainly of volcanics and"]
[333,7,"metasediments. Archean intrusive and metamorphic rocks also"]
[333,8,"underlie the region. Early Proterozoic (Aphebian) clastic"]
[333,9,"sedimentary and carbonate sequences of the Goulburn Group"]
[333,10,"unconformably overlie the Archean rocks locally. Intrusive rocks of"]
[333,11,"Hudsonian age and younger  diabase dykes crosscut the older"]
[333,12,"lithologies.  Intruding the sediments is a 700 m by 400 m diorite"]
[333,13,"to quartz diorite stock. Near the eastern margin of the stock a"]
[333,14,"poorly exposed zone of arsenopyrite bearing quartz veins has been"]
[333,15,"traced for 700 m. The 2-3 m wide zone has 10-20% veins and veinlets"]
[333,16,"which generally carry 1% arsenopyrite. Silicified quartz diorite in"]
[333,17,"3-6 cm vein halos carry 3-4% disseminated arsenopyrite. One sample"]
[333,18,"from a quartz vein subcrop boulder with 2-4% blocky disseminated"]
[333,19,"arsenopyrite had an assay of 1,020 ppb Au. All other assays from"]
[333,20,"the quartz veins and adjacent silicified material assayed below 100"]
[333,21,"ppb Au."]
[334,1,"The Sed showing lies within the northeastern portion of the Archean"]
[334,2,"Slave Structural Province. The region is bordered by the Aphebian"]
[334,3,"age  Bear Structural Province to the west, and the Rae Structural"]
[334,4,"Province to the east. The principal underlying supracrustal rocks"]
[334,5,"belong to the Archean Yellowknife Supergroup and consist mainly of"]
[334,6,"volcanics and metasediments. Archean intrusive and metamorphic"]
[334,7,"rocks also underlie the region. Early Proterozoic (Aphebian)"]
[334,8,"clastic sedimentary and carbonate sequences of the Goulburn Group"]
[334,9,"unconformably overlie the Archean rocks locally. Intrusive rocks of"]
[334,10,"Hudsonian age and younger  diabase dykes crosscut the older"]
[334,11,"lithologies.  The Sed showing gold mineralization is within"]
[334,12,"arsenopyrite bearing quartz veins hosted by turbiditic argilliceous"]
[334,13,"greywacke.  Exploration on the Sed showing area consisted of"]
[334,14,"reconnaissance traverse followed by detailed mapping, sampling and"]
[334,15,"a geophysical survey consisting of VLF-EM and Total Field Magnetics."]
[334,16,"Samples collected were assayed for multi element ICP as well as by"]
[334,17,"atomic absorption for gold.  The best gold value obtained from a"]
[334,18,"grab sample had 31,600 ppb Au. Five chip samples along a 100 m"]
[334,19,"strike length and across 3-4 m of quartz veining had gold values"]
[334,20,"between 155 ppb and 2,930 ppb. Accompanying arsenic values range"]
[334,21,"from 1,425 to 36,564 ppm."]
[335,1,"The Gersdorffite showing lies within the northeastern portion of"]
[335,2,"the Archean Slave Structural Province. The region is bordered by"]
[335,3,"the Aphebian age Bear Structural Province to the west, and the Rae"]
[335,4,"Structural Province to the east. The principal underlying"]
[335,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[335,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[335,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[335,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[335,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[335,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[335,11,"the older lithologies.  The Gersdorffite showing  consists of"]
[335,12,"sediment hosted veins of massive gersdorffite with minor"]
[335,13,"chalcopyrite in quartz gangue. The mineralization is diabase"]
[335,14,"associated and within a zone approximately 30 m long and 2 m wide"]
[335,15,"ajacent to a NW trending diabase dyke. Sample 135-3 had Ni values"]
[335,16,"of 19.35%, Cu 0.44%, Pt 100 ppb and Pd 1000 ppb. Sample 804-3 had"]
[335,17,"values of: Ni 15.55%, Pt 260 ppb and Pd 570 ppb. Sample 804-4 had"]
[335,18,"values of: Ni 5.60%, Cu 0.19%, Pt 80 ppb and Pd 630 ppb."]
[335,19,"Reconnaissance geological mapping and sampling was done in the"]
[335,20,"Gersdorffite showing area in 1985 at a scale of 1:31,680. Map 4/7"]
[335,21,"from assessment report 082070 shows the sample locations."]
[337,1,"The Gaet showing lies within the northeastern portion of the"]
[337,2,"Archean Slave Structural Province. The region is bordered by the"]
[337,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[337,4,"Structural Province to the east. The principal underlying"]
[337,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[337,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[337,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[337,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[337,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[337,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[337,11,"the older lithologies.  The Gaet showing is within the Back River"]
[337,12,"region. The Yellowknife Supergroup in the property area is divided"]
[337,13,"informally into three major sequences.  The Back Group is the"]
[337,14,"lowest sequence and is comprised of felsic to intermediate flows,"]
[337,15,"tuffs and breccias. The Hackett River Group overlies the Back and"]
[337,16,"consists of  volcanic flows that range from felsic to mafic, as"]
[337,17,"well as tuffs and chemical sediments. The uppermost sequence is the"]
[337,18,"Beechey Lake Group, comprising turbidite sediments, greywacke,"]
[337,19,"mudstone and iron formation. Recent mapping by the Geological"]
[337,20,"Survey of Canada suggests that the Hackett River and the Back"]
[337,21,"volcanic belts, which are generally spatially separate, may be"]
[337,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[337,23,"four periods of deformation have affected the Yellowknife"]
[337,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[337,25,"sub-greenschist to upper amphibolite facies."]
[338,1,"Within the showing area, five geological units have been mapped."]
[338,2,"They are: 1)Lower amphibolite metamorphic grade sediments"]
[338,3,"represented by well foliated fine grained grey schists ranging from"]
[338,4,"metapellites to metagreywackes and metaquartzites. 2)Low"]
[338,5,"metamorphic grade sediments in the form of phyllites and lightly"]
[338,6,"metamorphosed greywacke. 3)Amphibolitic iron formation which have"]
[338,7,"five facies type:garnet rich iron formation, amphibole rich iron"]
[338,8,"formation, banded amphibole and chert rich iron formation, oxide"]
[338,9,"rich iron formation and sulphide rich iron formation. 4)Intrusive"]
[338,10,"granites and granodiorites and 5)A diabase dyke 20-50 m wide which"]
[338,11,"trends at 50 degrees north.   Mineralization occurs within the"]
[338,12,"sulphide rich (greater tan 5%) iron formation. Pyrrhotite is the"]
[338,13,"dominant sulphide followed by pyrite. Sulphides average 5% but may"]
[338,14,"be up to 30% locally.  Reconnaissance exploration was done in 1989."]
[338,15,"Of 100 samples taken, 30 had gold values from 100-750 ppb. One grab"]
[338,16,"sample had an assay value of 1.47 g/t Au and the best chip sample"]
[338,17,"had a value of 650 ppb Au across 4 m.  In 1990 increasingly"]
[338,18,"detailed exploration was done in the area including the emplacement"]
[338,19,"of a 3 km by 2 km grid, mapping at a scale of 1:2500, trenching"]
[338,20,"and sampling (grab samples, channel samples and trench samples)."]
[339,1,"All 281 samples collected in 1990 were taken from iron formations."]
[339,2,"Four values greater than 1 g/t Au were detected including two from"]
[339,3,"a trench that had values of 1.92 g/t Au and 1.46 g/t Au in sulphide"]
[339,4,"rich iron formation . A frost heaved boulder from another sulphide"]
[339,5,"rich iron formation yeilded a value of 3.67 g/t Au and one grab"]
[339,6,"sample from a garnet and amphibole rich iron formation with 5%"]
[339,7,"pyrite had a value of 1.10 g/t Au. 65 samples had assay values"]
[339,8,"between 100 and 890 g/t Au. All the rest had results less than 100"]
[339,9,"ppb Au."]
[340,1,"The Gaet 4 showing lies within the northeastern portion of the"]
[340,2,"Archean  Slave Structural Province.  The principal underlying"]
[340,3,"supracrustal rocks belong to the Yellowknife Supergroup and consist"]
[340,4,"mainly of volcanics and metasediments. The Gaet 4 showing consists"]
[340,5,"of a single sample from iron formation that had an assay value of 0."]
[340,6,"75 g/t Au over 2m."]
[341,1,"Information from assessment report 081986 which consists only of 2"]
[341,2,"diamond drill logs . Mineralization occurs within an andesitic unit"]
[341,3,"that is sandwiched between volcanic sediments and has minor"]
[341,4,"sulphides.  No assays were above 30 ppb Au in DDH 84-02, three"]
[341,5,"samples had assay values above the cutoff range in DDH 84-01 and"]
[341,6,"these are as follows: A 2.5 foot section of andesite with trace"]
[341,7,"pyrite and arsenopyrite had an original assay value of 2380 ppb Au."]
[341,8,"and a reassay value of 0.03 opt. Au. A 5 ft. section had 20% dark"]
[341,9,"quartz and minor arsenopyrite gave an original assay value of 780"]
[341,10,"ppb Au. and was reassayed twice with resultant values of 0.034 opt"]
[341,11,"and 0.34 opt Au. A 2.8 ft. section with 1% asp had an assay value"]
[341,12,"of 1080 ppb Au. and a reassayed value of 0.044 opt."]
[342,1,"The Barrel showing lies within the northeastern portion of the"]
[342,2,"Archean Slave Structural Province. The region is bordered by the"]
[342,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[342,4,"Structural Province to the east. The principal underlying"]
[342,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[342,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[342,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[342,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[342,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[342,10,"Intrusive rocks of Hudsonian age  and younger  diabase dykes"]
[342,11,"crosscut the older lithologies.  The Yellowknife Supergroup in the"]
[342,12,"property area is divided informally into three major sequences."]
[342,13,"The Back Group is the lowest sequence and is comprised of felsic to"]
[342,14,"intermediate flows, tuffs and breccias. The Hackett River Group"]
[342,15,"overlies the Back and consists of  volcanic flows that range from"]
[342,16,"felsic to mafic, as well as tuffs and chemical sediments. The"]
[342,17,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[342,18,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[342,19,"by the Geological Survey of Canada suggests that the Hackett River"]
[342,20,"and the Back volcanic belts, which are generally spatially separate,"]
[342,21,"may be coeval in their upper parts (Williamson and Olson, 1990)."]
[342,22,"At least four periods of deformation have affected the Yellowknife"]
[342,23,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[342,24,"sub-greenschist to upper amphibolite facies."]
[343,1,"The Barrel showing is underlain by Beechey Lake sediments. The"]
[343,2,"sediments contain horizons of dacite tuff offset by at least one"]
[343,3,"fault. There is an absence of banded iron formation, the oxides"]
[343,4,"present are scattered occurrences of magnetite. Anomalous gold"]
[343,5,"values are from sulphide-bearing sediments, often with quartz veins."]
[343,6,"Of twelve grab samples, only one returned a value above 0.1 oz/ton"]
[343,7,"and four contained trace values.  The area has been subjected to"]
[343,8,"prospecting, grid emplacement and has been mapped at a scale of 1:"]
[343,9,"2500 with concurrent magnetometer and electromagnetic surveys."]
[343,10,null]
[344,1,"The Algood showing lies within the northeastern portion of the"]
[344,2,"Archean Slave Structural Province. The region is bordered by the"]
[344,3,"Aphebian age  Bear Structural Province to the west, and the Rae"]
[344,4,"Structural Province to the east. The principal underlying"]
[344,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[344,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[344,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[344,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[344,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[344,10,"Intrusive rocks of Hudsonian age  and younger diabase dykes"]
[344,11,"crosscut the older lithologies.  The Yellowknife Supergroup in the"]
[344,12,"property area is divided informally into three major sequences."]
[344,13,"The Back Group is the lowest sequence and is comprised of felsic to"]
[344,14,"intermediate flows, tuffs and breccias. The Hackett River Group"]
[344,15,"overlies the Back and consists of  volcanic flows that range from"]
[344,16,"felsic to mafic, as well as tuffs and chemical sediments. The"]
[344,17,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[344,18,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[344,19,"by the Geological Survey of Canada suggests that the Hackett River"]
[344,20,"and the Back volcanic belts, which are generally spatially separate,"]
[344,21,"may be coeval in their upper parts (Williamson and Olson, 1990)."]
[344,22,"At least four periods of deformation have affected the Yellowknife"]
[344,23,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[344,24,"sub-greenschist to upper amphibolite facies."]
[345,1,"The Showing area is underlain by Beechey Lake group metasediments"]
[345,2,"including argilliceous greywacke  turbidites, oxide magnetite iron"]
[345,3,"formation and tuffs.  Mineralization is associated with sulphides"]
[345,4,"and magnetite iron formation in gossan zones paralleling"]
[345,5,"schistocity. Sulphides are arsenopyrite and pyrite in vein type or"]
[345,6,"alteration zone quartz/chlorite rock.  The coarser the arsenopyrite"]
[345,7,"crystals, the higher the gold values.   Numerous NE trending faults"]
[345,8,"cut the area. The displacement of the faults is minor and is"]
[345,9,"generally left handed displacement. Faulkner, (1963) suspects that"]
[345,10,"the displacement is the primary controlling factor of the"]
[345,11,"mineralization. Where the faults intersect an argilliceous band,"]
[345,12,"the resulting chlorite amphibole alteration becomes a suitable"]
[345,13,"locus of deposition for auriferous sulphide minerals. The sulphides,"]
[345,14,"quartz and perhaps gold may have replaced the sheared chloritic"]
[345,15,"rocks adjacent to the faults.  Within the Algood Showing area there"]
[345,16,"are four locations that have been mapped, prospected, subjected to"]
[345,17,"geophysical surveys, and sampled. These areas are the #1 Showing"]
[345,18,"(approximately 3.5 km north of Fidler Lake), Alskne (approximately"]
[345,19,"2.5 km north of Fidler Lake), Fido (approximately 2.25 km north of"]
[345,20,"Fidler Lake) and Doc (approximately 2 km SE of #1 showing). Two of"]
[345,21,"the areas (#1 showing and Alskne) have been drilled.   The Algood"]
[345,22,"Showing area has been subjected to exploration since 1946 including"]
[345,23,"prospecting and mapping. In 1947 11 drillholes were drilled for a"]
[345,24,"total of 481 m. In 1962 the property was again mapped and a ground"]
[345,25,"magnetic survey completed. Five diamond drill holes were completed"]
[345,26,"on the Alksne occurrence. No further work was done until 1980 when"]
[345,27,"further ground magnetometer and VLF-EM surveys were completed as"]
[345,28,"well as 10 diamond drill holes (#1 showing) for a total of 408.7 ft."]
[345,29,"At this time the core from 1947 was relogged and sampled as well."]
[345,30,"In 1985 two grids were established within the showing area (Fido &"]
[345,31,"Don)."]
[346,1,"Ranges of assay values from the four areas within the showing are"]
[346,2,"as follows:  #1 Showing: A grab sample from 1963 had an assay value"]
[346,3,"of 2.79 opt Au. The best assays from the 1980  diamond drill"]
[346,4,"program include 0.22 opt Au/2.07 m, 0.48 opt Au/0.88 m, 0.16 opt Au/"]
[346,5,"5.5 m, 0.11 opt Au/4.1 m, 0.165 opt/0.73 m, 0.19 opt Au/0.43 m and"]
[346,6,"0.07 opt/2.3 m.  Relogging of drill core from 1947 yeilded the"]
[346,7,"following gold  results: 0.11 opt/1.5 m, 0.23 opt/1.5 m and 0.15"]
[346,8,"opt/1.1 m  Alksne: Drill results from 1947 include gold values of 0."]
[346,9,"55 opt/3 ft, 0.66 opt/1.3 ft, 0.45 opt/3ft, 2.10 opt/3.2 ft, 0.64"]
[346,10,"opt/3.2 ft and 0.43 opt/3 ft.  Doc: A selection of grab samples"]
[346,11,"from the Doc grid include assays from 0.06 to 0.99 opt Au.  Fido: A"]
[346,12,"selection of grab samples from the Fido grid range from 0.14 to 0."]
[346,13,"42 opt/Au."]
[347,1,"The South Fidler Lake showing lies within the northeastern portion"]
[347,2,"of the Archean Slave Structural Province. The region is bordered by"]
[347,3,"the Aphebian age Bear Structural Province to the west, and the Rae"]
[347,4,"Structural Province to the east. The principal underlying"]
[347,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[347,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[347,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[347,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[347,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[347,10,"Intrusive rocks of Hudsonian age and younger  diabase dykes"]
[347,11,"crosscut the older lithologies.  The Yellowknife Supergroup in the"]
[347,12,"property area is divided informally into three major sequences."]
[347,13,"The Back River Group is the lowest sequence and is comprised of"]
[347,14,"felsic to intermediate flows, tuffs and breccias. The Hackett River"]
[347,15,"Group overlies the Back and consists of  volcanic flows that range"]
[347,16,"from felsic to mafic, as well as tuffs and chemical sediments. The"]
[347,17,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[347,18,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[347,19,"by the Geological Survey of Canada suggests that the Hackett River"]
[347,20,"and the Back volcanic belts, which are generally spatially separate,"]
[347,21,"may be coeval in their upper parts (Williamson and Olson, 1990)."]
[347,22,"At least four periods of deformation have affected the Yellowknife"]
[347,23,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[347,24,"sub-greenschist to upper amphibolite facies."]
[348,1,"The South Fidler Lake showing is located 2 km south of Fidler Lake"]
[348,2,"and is underlain by rocks of the Back River Group. The"]
[348,3,"mineralization is contained within the host rocks of gossanous"]
[348,4,"felsic to intermediate lapilli tuffs that have been altered to clay"]
[348,5,"and chloritized. Sulphides associated with the mineralization are"]
[348,6,"pyrite and arsenopyrite. Only 5% of the area has outcrop and and"]
[348,7,"additional 5-10% is frost heaved.  Exploration in the showing area"]
[348,8,"commenced in 1986 with reconnaissance mapping and prospecting at a"]
[348,9,"scale of 1:50,000. Four samples from the showing area had assays"]
[348,10,"ranging from 0.082 opt Au to 690 ppb (0.02 opt) Au from clay"]
[348,11,"altered andesite with a range of pyrite from 2-10%  In 1987"]
[348,12,"exploration consisted of geological mapping at a scale of 1:2500, a"]
[348,13,"VLF-EM and proton procession magnetometer survey, rock sampling and"]
[348,14,"one diamond drill hole was drilled. The VLF-EM survey outlined two"]
[348,15,"strong conductors, one is oriented at 320 degrees and has a strike"]
[348,16,"length of  350 m and dips steeply to the west. The second conductor"]
[348,17,"trends at 175 degrees, has no defined dip direction and is"]
[348,18,"interpretted as a shear or fault structure. The magnetometer survey"]
[348,19,"showed one high/low coupling coincident with a VLF conductor. This"]
[348,20,"target was drilled and yielded over 20 feet of pyritized argillite"]
[348,21,"but no assays were over 0.01 opt Au. Eight rock samples ranged from"]
[348,22,"0.12 opt Au to 0.02 opt Au.  The Showing area has been further"]
[348,23,"subjected to reconnaissance mapping, geochemical sampling"]
[348,24,"(including ICP and sediment sampling for heavy minerals) and"]
[348,25,"airborne geophysical magnetic and EM surveys to detect any features"]
[348,26,"related to kimberlite pipes. In 1992 exploration focused on"]
[348,27,"kimberlites with the primary focus being on reassessing airborne"]
[348,28,"data for potential kimberlite pipes. Prospective localities are"]
[348,29,"shown on the maps within AR 083086."]
[349,1,"The Narrow Lake showing lies within the northeastern portion of the"]
[349,2,"Archean Slave Structural Province. The region is bordered by the"]
[349,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[349,4,"Structural Province to the east. The principal underlying"]
[349,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[349,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[349,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[349,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[349,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[349,10,"Intrusive rocks of Hudsonian age  and younger diabase dykes"]
[349,11,"crosscut the older lithologies.  The Yellowknife Supergroup in the"]
[349,12,"property area is divided informally into three major sequences."]
[349,13,"The Back River Group is the lowest sequence and is comprised of"]
[349,14,"felsic to intermediate flows, tuffs and breccias. The Hackett River"]
[349,15,"Group overlies the Back and consists of  volcanic flows that range"]
[349,16,"from felsic to mafic, as well as tuffs and chemical sediments. The"]
[349,17,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[349,18,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[349,19,"by the Geological Survey of Canada suggests that the Hackett River"]
[349,20,"and the Back River volcanic belts, which are generally spatially"]
[349,21,"separate, may be coeval in their upper parts (Williamson and Olson,"]
[349,22,"1990).  At least four periods of deformation have affected the"]
[349,23,"Yellowknife Supergroup. Metamorphic grade in the Back River Region"]
[349,24,"ranges from sub-greenschist to upper amphibolite facies."]
[350,1,"The Narrow Lake showing is underlain by rocks of the Back River"]
[350,2,"Group which consist of shales and felsic to intermediate tuffs."]
[350,3,"Mineralization occurs locally in sheared shales that have quartz"]
[350,4,"veinlets and pyrite +/- arsenopyrite.   The Narrow Lake showing has"]
[350,5,"been subjected to geophysical surveys (proton procession"]
[350,6,"magnetometer and VLF-EM), reconnaissance mapping and grid"]
[350,7,"establishment, geochemical sampling and in 1992 airborne data was"]
[350,8,"reinterpretted to look for potential kimberlite pipes (prospective"]
[350,9,"localities are shown on the maps within AR 083086).  Four samples"]
[350,10,"from frost heaved shale with quartz and pyrite +/- arsenopyrite"]
[350,11,"have a range of gold values from 540 g/t Au to 745 ppb Au. Three"]
[350,12,"other samples have  higher assay values that range from 0.520 opt"]
[350,13,"Au to 0.858 opt Au but these are are from rounded boulders that are"]
[350,14,"not in place."]
[351,1,"The MG1showing lies within the northeastern portion of the Archean"]
[351,2,"Slave Structural Province. The region is bordered by the Aphebian"]
[351,3,"age Bear Structural Province to the west, and the Rae Structural"]
[351,4,"Province to the east. The principal underlying supracrustal rocks"]
[351,5,"belong to the Yellowknife Supergroup and consist mainly of"]
[351,6,"volcanics and metasediments. Archean intrusive and metamorphic"]
[351,7,"rocks also underlie the region. Early Proterozoic (Aphebian)"]
[351,8,"clastic sedimentary and carbonate sequences of the Goulburn Group"]
[351,9,"unconformably overlie the Archean rocks locally. Intrusive rocks of"]
[351,10,"Hudsonian age and younger diabase dykes crosscut the older"]
[351,11,"lithologies.  The Yellowknife Supergroup in the property area is"]
[351,12,"divided informally into three major sequences.  The Back River"]
[351,13,"Group is the lowest sequence and is comprised of felsic to"]
[351,14,"intermediate flows, tuffs and breccias. The Hackett River Group"]
[351,15,"overlies the Back and consists of  volcanic flows that range from"]
[351,16,"felsic to mafic, as well as tuffs and chemical sediments. The"]
[351,17,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[351,18,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[351,19,"by the Geological Survey of Canada suggests that the Hackett River"]
[351,20,"and the Back River volcanic belts, which are generally spatially"]
[351,21,"separate, may be coeval in their upper parts (Williamson and Olson,"]
[351,22,"1990).  At least four periods of deformation have affected the"]
[351,23,"Yellowknife Supergroup. Metamorphic grade in the Back River Region"]
[351,24,"ranges from sub-greenschist to upper amphibolite facies."]
[352,1,"The MG1 showing is within the Back River Group volcanics. The"]
[352,2,"entire area is very poorly exposed with only approximately 10%"]
[352,3,"outcrop.  Mineralization occurs within quartz filled fractures in"]
[352,4,"andesite. The surrounding country rock is not altered.   In 1986,"]
[352,5,"geochemical samples from prospecting and reconnaissance mapping"]
[352,6,"yielded gold values of 0.396 to 2.14 ounces per ton in three"]
[352,7,"samples.   In 1987 a  grid was established and more detailed"]
[352,8,"mapping and sampling were done.  Re-examination of the area of the"]
[352,9,"vicinity of the 1986 2.14 opt Au sample failed to uncover"]
[352,10,"significant mineralization. Only one sample had an anomalous gold"]
[352,11,"value of 0.102 opt Au from a frost heaved rock.        The Showing"]
[352,12,"area has also been subjected to reconnaissance mapping, geochemical"]
[352,13,"sampling  (including ICP and sediment sampling for heavy minerals)"]
[352,14,"and airborne geophysical magnetic and EM surveys to detect any"]
[352,15,"features related to kimberlite pipes. In 1992 the primary focus was"]
[352,16,"reassessing airborne data for potential kimberlite pipes."]
[352,17,"Prospective localities are shown on the maps within AR 083086."]
[353,1,"The  Grid 4 showing lies within the northeastern portion of the"]
[353,2,"Archean Slave Structural Province. The region is bordered by the"]
[353,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[353,4,"Structural Province to the east. The principal underlying"]
[353,5,"supracrustal rocks belong to the Yellowknife Supergroup and consist"]
[353,6,"mainly of volcanics and metasediments. Archean intrusive and"]
[353,7,"metamorphic rocks also underlie the region. Early Proterozoic"]
[353,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[353,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[353,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[353,11,"the older lithologies.  This showing consists of 5 samples that"]
[353,12,"range from 585 ppb Au to 0.790 oz/t.  Three samples are from"]
[353,13,"strongly silicified boulders that are highly angular, abundant and"]
[353,14,"numerous suggesting that they are frost heaved.  These samples"]
[353,15,"(felsic boulders) are located on map 24 from assessment report"]
[353,16,"082625 as being within a black shale unit adjacent to a felsic"]
[353,17,"tuffaceous unit.   A large mineralized boulder that was sampled in"]
[353,18,"1986 gave assay results of 0.466 oz/ton (described as a cherty"]
[353,19,"shale with arsenopyrite) was relocated in 1987 and resampled and"]
[353,20,"yielded results of 0.79 oz/ton. This sample is located in different"]
[353,21,"areas on two separate assessment reports, for the purpose of this"]
[353,22,"showing the location from assessment report 082625 was used (See"]
[353,23,"map 24) as this sample is specifically discussed and was resampled"]
[353,24,"yeilding an assay value of 0.79 oz/t Au.   The Showing area has"]
[353,25,"also been subjected to reconnaissance mapping and airborne"]
[353,26,"geophysical magnetic and EM surveys to detect any features related"]
[353,27,"to kimberlite pipes. In 1992 the primary focus was reassessing"]
[353,28,"airborne data for potential kimberlite pipes. Prospective"]
[353,29,"localities are shown on the maps within AR 083086."]
[354,1,"The  Grid 5 showing lies within the northeastern portion of the"]
[354,2,"Archean Slave Structural Province. The region is bordered by the"]
[354,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[354,4,"Structural Province to the east. The principal underlying"]
[354,5,"supracrustal rocks belong to the Yellowknife Supergroup and consist"]
[354,6,"mainly of volcanics and metasediments. Archean intrusive and"]
[354,7,"metamorphic rocks also underlie the region. Early Proterozoic"]
[354,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[354,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[354,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[354,11,"the older lithologies.  The Yellowknife Supergroup in the property"]
[354,12,"area is divided informally into three major sequences.  The Back"]
[354,13,"River Group is the lowest sequence and is comprised of felsic to"]
[354,14,"intermediate flows, tuffs and breccias. The Hackett River Group"]
[354,15,"overlies the Back and consists of  volcanic flows that range from"]
[354,16,"felsic to mafic, as well as tuffs and chemical sediments. The"]
[354,17,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[354,18,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[354,19,"by the Geological Survey of Canada suggests that the Hackett River"]
[354,20,"and the Back River volcanic belts, which are generally spatially"]
[354,21,"separate, may be coeval in their upper parts (Williamson and Olson,"]
[354,22,"1990).  At least four periods of deformation have affected the"]
[354,23,"Yellowknife Supergroup. Metamorphic grade in the Back River Region"]
[354,24,"ranges from sub-greenschist to upper amphibolite facies."]
[355,1,"The Grid 5 showing has been subjected to reconnaissance and"]
[355,2,"detailed mapping, prospecting, geochemical sampling, grid"]
[355,3,"emplacement and ground geophysical surveys including VLF-EM and"]
[355,4,"magnetometer.  In 1986 reconnaissance geochemical sampling of a"]
[355,5,"locally derived boulder gave a result of 0.41 oz/ton gold. The"]
[355,6,"poorly exposed area was then resampled and bedrock samples gave"]
[355,7,"anomalous results of 215 ppb to 0.052 oz/ton gold in three samples."]
[355,8,"Further work in 1987 included sampling but no assays were above"]
[355,9,"the cutoff for this NORMIN database.  The Showing area has been"]
[355,10,"further subjected to reconnaissance mapping of glacial features,"]
[355,11,"sampling of drumlin and stream sediments and airborne geophysical"]
[355,12,"magnetic and EM surveys to detect any features related to"]
[355,13,"kimberlite pipes. In 1992 the primary focus was reassessing"]
[355,14,"airborne data for potential kimberlite pipes. Prospective"]
[355,15,"localities are shown on the maps within AR 083086."]
[356,1,"The  Grid 2 showing lies within the northeastern portion of the"]
[356,2,"Archean Slave Structural Province. The region is bordered by the"]
[356,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[356,4,"Structural Province to the east. The principal underlying"]
[356,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[356,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[356,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[356,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[356,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[356,10,"Intrusive rocks of Hudsonian age and younger  diabase dykes"]
[356,11,"crosscut the older lithologies.  The Yellowknife Supergroup in the"]
[356,12,"property area is divided informally into three major sequences."]
[356,13,"The Back River Group is the lowest sequence and is comprised of"]
[356,14,"felsic to intermediate flows, tuffs and breccias. The Hackett River"]
[356,15,"Group overlies the Back and consists of  volcanic flows that range"]
[356,16,"from felsic to mafic, as well as tuffs and chemical sediments. The"]
[356,17,"uppermost sequence is the Beechey Lake Group, comprising turbidite"]
[356,18,"sediments, greywacke, mudstone and iron formation. Recent mapping"]
[356,19,"by the Geological Survey of Canada suggests that the Hackett River"]
[356,20,"and the Back River volcanic belts, which are generally spatially"]
[356,21,"separate, may be coeval in their upper parts (Williamson and Olson,"]
[356,22,"1990).  At least four periods of deformation have affected the"]
[356,23,"Yellowknife Supergroup. Metamorphic grade in the Back River Region"]
[356,24,"ranges from sub-greenschist to upper amphibolite facies."]
[357,1,"The Grid 2 showing is underlain by the Back River Group that"]
[357,2,"consists of felsic to intermediate tuffs and flows and intermediate"]
[357,3,"to mafic flows. Two types of mineralization are noted. The first"]
[357,4,"type occurs as a boulder train 5 m wide and 50-100 m long. The"]
[357,5,"boulders are gossanous and consist of mineralized smokey quartz"]
[357,6,"veins and shear zone material with 2-15% disseminated to massive"]
[357,7,"pyrite and  2-10% disseminated laths of arsenopyrite . Two samples"]
[357,8,"had assay values above cutoff (935 ppb and 720 ppb gold)."]
[357,9,"Additional minor shears are noted to the south, these are narrow 50-"]
[357,10,"100 cm wide and extend for 50-100 m in length. Two samples from"]
[357,11,"this area had gold assay values of 0.04 oz/ton and 730 ppb. The"]
[357,12,"second type of mineralization is a small occurance of disseminated"]
[357,13,"arsenopyrite and pyrite in a rhyolite flow. One sample from this"]
[357,14,"area had an assay value of 840 ppb gold.   Three diamond drill"]
[357,15,"holes were drilled into a VLF conductor. A magnetometer high was"]
[357,16,"also associated with the area drilled as were anomalous grab"]
[357,17,"samples up to 935 ppb Au. No assay values above cutoff were"]
[357,18,"recorded from the drill core results.  Work done on the showing"]
[357,19,"area consists of mapping (reconnaissance and grid), VLF-EM and"]
[357,20,"magnetometer geophysical surveys, geochemical rock and soil"]
[357,21,"sampling and diamond drilling. Further work has included"]
[357,22,"reconnaissance mapping of glacial features and airborne geophysical"]
[357,23,"magnetic and EM surveys to detect any features related to"]
[357,24,"kimberlite pipes. In 1992 the primary focus was reassessing"]
[357,25,"airborne data for potential kimberlite pipes. Prospective"]
[357,26,"localities are shown on the maps within AR 083086."]
[358,1,"The  Grid 3 showing lies within the northeastern portion of the"]
[358,2,"Archean  Slave Structural Province. The region is bordered by the"]
[358,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[358,4,"Structural Province to the east. The principal underlying"]
[358,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[358,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[358,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[358,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[358,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[358,10,"Intrusive rocks of Hudsonian age (1.8 Ga) and younger (1.2 Ga)"]
[358,11,"diabase dykes crosscut the older lithologies.  The Yellowknife"]
[358,12,"Supergroup in the property area is divided informally into three"]
[358,13,"major sequences.  The Back River Group is the lowest sequence and"]
[358,14,"is comprised of felsic to intermediate flows, tuffs and breccias."]
[358,15,"The Hackett River Group overlies the Back and consists of  volcanic"]
[358,16,"flows that range from felsic to mafic, as well as tuffs and"]
[358,17,"chemical sediments. The uppermost sequence is the Beechey Lake"]
[358,18,"Group, comprising turbidite sediments, greywacke, mudstone and iron"]
[358,19,"formation. Recent mapping by the Geological Survey of Canada"]
[358,20,"suggests that the Hackett River and the Back River volcanic belts,"]
[358,21,"which are generally spatially separate, may be coeval in their"]
[358,22,"upper parts (Williamson and Olson, 1990).  At least four periods of"]
[358,23,"deformation have affected the Yellowknife Supergroup. Metamorphic"]
[358,24,"grade in the Back River Region ranges from sub-greenschist to upper"]
[358,25,"amphibolite facies."]
[359,1,"Three samples comprise this showing, all are from gossanous"]
[359,2,"boulders that have up to 10% arsenopyrite associated with quartz"]
[359,3,"veining. Gold values are: 0.034 opt, 0.38 opt and 955 ppb. The Grid"]
[359,4,"3 Showing is underlain by Back River volcanics and volcaniclastics."]
[359,5,"Mineralization of the showing is within gossanous quartz veined"]
[359,6,"frost heaved boulders from a possible shear zone that has a strike"]
[359,7,"length of approximately 50 m.  The showing area has been exposed to"]
[359,8,"various exploration techniques including reconnaissance mapping and"]
[359,9,"prospecting, ground VLF-EM and magnetometer surveys, grid"]
[359,10,"emplacement, and rock geochemical sampling. This area has also been"]
[359,11,"subjected to reconnaissance mapping and airborne geophysical"]
[359,12,"magnetic and EM surveys to detect any features related to"]
[359,13,"kimberlite pipes. In 1992 the primary focus was reassessing"]
[359,14,"airborne data for potential kimberlite pipes. Prospective"]
[359,15,"localities are shown on the maps within AR 083086."]
[360,1,"The  Kate Zone showing lies within the northeastern portion of the"]
[360,2,"Archean Slave Structural Province.  The principal underlying"]
[360,3,"supracrustal rocks belong to the Yellowknife Supergroup and consist"]
[360,4,"mainly of volcanics and metasediments.   The Kate Zone showing is"]
[360,5,"underlain by sediments of the Beechey Lake Group.  Mineralization"]
[360,6,"consists of quartz veining with 1-8% arsenopyrite in a siliceous"]
[360,7,"and chloritized argilliceous greywacke. Of eight grab samples taken,"]
[360,8,"one had an anomalous gold value of 1.02 g/t."]
[361,1,"The Showing consists of only one sample which had an anomalous gold"]
[361,2,"value of 0.75 g/t. This sample was from a gossan that contained 8%"]
[361,3,"pyrite-pyrrhotite. The sample was from the volcanic/sediment"]
[361,4,"contact that is marked by chert-sulphide exhalites and iron"]
[361,5,"formation.  The Twin Lake East showing is underlain by rocks of the"]
[361,6,"Back River Group which is a part of the Yellowknife Supergroup that"]
[361,7,"lies within the northeastern portion of the Archean Slave"]
[361,8,"Structural Province."]
[362,1,"The Fire Showing consists of a single stream sediment sample that"]
[362,2,"had an anomalous gold value of 1650 ppb. It was taken from an area"]
[362,3,"within the northeastern portion of the Archean Slave Structural"]
[362,4,"Province. This area is underlain by volcanic and sedimentary rocks"]
[362,5,"belonging to the Yellowknife Supergroup.    The showing area has"]
[362,6,"been subjected to reconnaissance mapping, geochemical sampling"]
[362,7,"including ICP and sediment sampling for heavy minerals. Other work"]
[362,8,"done in the area included airbornel magnetic and EM surveys to"]
[362,9,"detect any geophysical features related to kimberlite. In 1992"]
[362,10,"exploration focused on kimberlites with the primary focus being on"]
[362,11,"reassessing geophysical airborne data for potential kimberlite"]
[362,12,"pipes. Prospective localities are shown on the maps within AR"]
[362,13,"083086.  Beach, esker, drumlin, stream and till samples were"]
[362,14,"collected for analyses which included heavy mineral concentrate"]
[362,15,"picking followed by electron microprobe analyses of potential"]
[362,16,"indicator minerals. After the preconcentration of heavy mineral"]
[362,17,"samples the -0.25 mm fraction was analyzed for 32 element ICP and"]
[362,18,"gold geochemical analysis."]
[363,1,"The Syn showing consists of a single stream sediment sample that"]
[363,2,"had an anomalous gold value of 3840 ppb.  It was taken from an area"]
[363,3,"within the northeastern portion of the Archean Slave Structural"]
[363,4,"Province. This area is underlain by volcanic and sedimentary rocks"]
[363,5,"belonging to the Yellowknife Supergroup.    The Showing area has"]
[363,6,"been subjected to reconnaissance mapping, geochemical sampling"]
[363,7,"including ICP and sediment sampling for heavy minerals. Other work"]
[363,8,"done in the area included airborne geophysical magnetic and EM"]
[363,9,"surveys to detect any features related to kimberlite. In 1992"]
[363,10,"exploration focused on kimberlites with the primary focus being on"]
[363,11,"reassessing airborne data for potential kimberlite pipes."]
[363,12,"Prospective localities are shown on the maps within AR 083086."]
[363,13,"Beach, esker, drumlin, stream and till samples were collected for"]
[363,14,"analyses which included heavy mineral concentrate picking followed"]
[363,15,"by electron microprobe analyses of potential indicator minerals."]
[363,16,"After the preconcentration of heavy mineral samples the -o.25 mm"]
[363,17,"fraction was analyzed for 32 element ICP and gold geochemical"]
[363,18,"analyses."]
[364,1,"The A0902 showing consists of one grab sample from a quartz vein"]
[364,2,"with chalcopyrite and sphalerite  within a dacite tuff. This sample"]
[364,3,"had  a copper value of 2900 ppm and a zinc value greater than 10000"]
[364,4,"ppm.  The A0902 showing area  is underlain by a sequence of"]
[364,5,"andesitic flows interbedded with dacitic to rhyolitic tuffs,"]
[364,6,"lapilli tuffs and breccias believed to be part of the Back River"]
[364,7,"complex (Bryan, 1983). The area of the showing has been subjected"]
[364,8,"to reconnaissance mapping and sampling. All samples were assayed"]
[364,9,"for Au, Ag, Ni, Cu, Pb, and Zn"]
[365,1,"The A0865 showing consists of one sample from  quartz  with pyrite"]
[365,2,"within a dacite lapilli tuff. This sample had  an anomalous gold"]
[365,3,"value of 686 ppb.  The A0865 showing area  is underlain by a"]
[365,4,"sequence of andesitic flows interbedded with dacitic to rhyolitic"]
[365,5,"tuffs, lapilli tuffs and breccias believed to be part of the Back"]
[365,6,"River complex which lies within the northeastern portion of the"]
[365,7,"Archean Slave Structural Province (Bryan, 1983). The area of the"]
[365,8,"showing has been subjected to reconnaissance mapping and sampling."]
[365,9,"All samples were assayed for Au, Ag, Ni, Cu, Pb, and Zn"]
[367,1,"The A0912 & A0913 Showing area  is underlain by a sequence of"]
[367,2,"andesitic flows interbedded with dacitic to rhyolitic tuffs,"]
[367,3,"lapilli tuffs and breccias believed to be part of the Back River"]
[367,4,"complex (Bryan, 1983) which lies within the NE portion of the Slave"]
[367,5,"Structural Province. The area of the showing has been subjected to"]
[367,6,"reconnaissance mapping and sampling. All samples were assayed for"]
[367,7,"Au, Ag, Ni, Cu, Pb, and Zn  This showing consists of two samples."]
[367,8,"Sample A0913 consists of a massive chalcopyrite vein in quartz and"]
[367,9,"had assay values of 2400 ppb Au and >10,000 ppm copper. Sample"]
[367,10,"A0912 is located approximately 525 m to the west and is a felsic to"]
[367,11,"intermediate brecciated tuff. This sample had an anomalous gold"]
[367,12,"value of 720 ppb. Both samples are within intermediate to felsic"]
[367,13,"tuffs."]
[368,1,"The Uist lake showing is from a single sample collected during"]
[368,2,"reconnaissance mapping.  The sample was of silicate exhalite facies"]
[368,3,"rock with arsenopyrite grains. This sample has a gold value of 549"]
[368,4,"ppb.  The Uist Lake showing lies within the northeastern portion of"]
[368,5,"the Archean Slave Structural Province.  The principal underlying"]
[368,6,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[368,7,"consist mainly of volcanics and metasediments. Archean"]
[368,8,"intrusive"]
[369,1,"The DC Grid Showing lies within the northeastern portion of the"]
[369,2,"Archean Slave Structural Province. The region is bordered by the"]
[369,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[369,4,"Structural Province to the east. The principal underlying"]
[369,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[369,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[369,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[369,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[369,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[369,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[369,11,"the older lithologies.  The Yellowknife Supergroup is divided"]
[369,12,"informally into three major sequences. The Back River Group is the"]
[369,13,"lowest sequence and is comprised of felsic to intermediate flows,"]
[369,14,"tuffs and breccias. The Hackett River Group overlies the Back and"]
[369,15,"consists of volcanic flows that range from felsic to mafic, as well"]
[369,16,"as tuffs and chemical sediments. The uppermost sequence is the"]
[369,17,"Beechey Lake Group, comprising turbidite sediments, greywacke,"]
[369,18,"mudstone and iron formation. Recent mapping by the Geological"]
[369,19,"Survey of Canada suggests that the Hackett River and the Back River"]
[369,20,"volcanic belts, which are generally spatially separate, may be"]
[369,21,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[369,22,"four periods of deformation have affected the Yellowknife"]
[369,23,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[369,24,"sub-greenschist to upper amphibolite facies."]
[370,1,"The DC Grid showing has been subjected to reconnaissance and grid"]
[370,2,"mapping, geophysical surveys - magnetometer and VLF-EM and"]
[370,3,"geochemical work. Only three grab samples have been collected for"]
[370,4,"analysis from this showing.  Geophysical results show two weak"]
[370,5,"conductors within the greywacke stratigraphy which were"]
[370,6,"interpretted as possibly being contact zones between greywacke and"]
[370,7,"slates. Silicate exhalite horizons were not well indicated by the"]
[370,8,"instruments. The magnetic survey indicated a zone which may be"]
[370,9,"silicate and oxide iron formation 50 m in width. Outcrop is sparse."]
[370,10,"One reconnaissance sample was taken in 1982 but did not have gold"]
[370,11,"values above the NORMIN cutoff.  Only two samples were taken from"]
[370,12,"the area in 1985, both samples had gold values of 0.03 oz/"]
[370,13,"ton"]
[371,1,"The DC Grid showing lies within the northeastern portion of the"]
[371,2,"Archean Slave Structural Province. The region is bordered by the"]
[371,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[371,4,"Structural Province to the east. The principal underlying"]
[371,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[371,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[371,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[371,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[371,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[371,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[371,11,"the older lithologies.  At least four periods of deformation have"]
[371,12,"affected the Yellowknife Supergroup. Metamorphic grade in the Back"]
[371,13,"River Region ranges from sub-greenschist to upper amphibolite"]
[371,14,"facies.  The H Grid is underlain by siliceous and slatey greywacke"]
[371,15,"which is cut by small pegmatitic veins. Some of the higher gold"]
[371,16,"values are obtained from mineralized quartz veins spatially"]
[371,17,"associated with the pegmatite.   Reconnaissance mapping and"]
[371,18,"sampling from 1983 produced three samples with gold values of 8914"]
[371,19,"ppb, 17,486 ppb and 53,144 ppb.  Work done in 1985 included"]
[371,20,"geophysical surveys, grid emplacement and rock geochemistry. Of 16"]
[371,21,"samples taken, 8 have gold values that range between 0.02 and 0.36"]
[371,22,"oz/ton Au. No significant VLF-EM or magnetic anomalies occur on the"]
[371,23,"grid."]
[372,1,"The As Grid showing lies within the northeastern portion of the"]
[372,2,"Archean Slave Structural Province. The region is bordered by the"]
[372,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[372,4,"Structural Province to the east. The principal underlying"]
[372,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[372,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[372,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[372,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[372,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[372,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[372,11,"the older lithologies.  The Yellowknife Supergroup is divided"]
[372,12,"informally into three major sequences. The Back River Group is the"]
[372,13,"lowest sequence and is comprised of felsic to intermediate flows,"]
[372,14,"tuffs and breccias. The Hackett River Group overlies the Back and"]
[372,15,"consists of volcanic flows that range from felsic to mafic, as well"]
[372,16,"as tuffs and chemical sediments. The uppermost sequence is the"]
[372,17,"Beechey Lake Group, comprising turbidite sediments, greywacke,"]
[372,18,"mudstone and iron formation. Recent mapping by the Geological"]
[372,19,"Survey of Canada suggests that the Hackett River and the Back River"]
[372,20,"volcanic belts, which are generally spatially separate, may be"]
[372,21,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[372,22,"four periods of deformation have affected the Yellowknife"]
[372,23,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[372,24,"sub-greenschist to upper amphibolite facies.  The As grid is"]
[372,25,"underlain by greywackes, argillites and narrow bands of silicate"]
[372,26,"iron formation of the Beechey Lake group."]
[373,1,"The As grid has been subjected to reconnaissance mapping and"]
[373,2,"prospecting, mapping at a 1:2500 scale, geochemical sampling, grid"]
[373,3,"establishment and geophysical surveys - both total field magnetics"]
[373,4,"and VLF-EM.  Reconnaissance sampling from 1983 yeilded no results"]
[373,5,"over 65 ppb Au.  In 1985 a grid was established over the area"]
[373,6,"following magnetometer and VLF-EM surveys and prospecting which"]
[373,7,"detected portions of iron formation that are conductive as well as"]
[373,8,"portions of the chemical seds that are oxide facies (>6200 gammas)."]
[373,9,"Thirty samples were taken from the As grid area, 7 had gold values"]
[373,10,"ranging between 0.02 oz/ton and 0.19 oz/ton.  3 samples had assay"]
[373,11,"values of 0.01 opt Au, the remainder of the samples had nil or"]
[373,12,"trace Au values."]
[374,1,"The Soc showing lies within the northeastern portion of the Archean"]
[374,2,"Slave Structural Province in the Hackett River Greenstone Belt. The"]
[374,3,"region is bordered by the Aphebian age Bear Structural Province to"]
[374,4,"the west, and the Rae Structural Province to the east. The"]
[374,5,"principal underlying supracrustal rocks belong to the Archean"]
[374,6,"Yellowknife Supergroup and consist mainly of volcanics and"]
[374,7,"metasediments. Archean intrusive and metamorphic rocks also"]
[374,8,"underlie the region. Early Proterozoic (Aphebian) clastic"]
[374,9,"sedimentary and carbonate sequences of the Goulburn Group"]
[374,10,"unconformably overlie the Archean rocks locally. Intrusive rocks of"]
[374,11,"Hudsonian age  and younger  diabase dykes crosscut the older"]
[374,12,"lithologies.  The Yellowknife Supergroup is divided informally into"]
[374,13,"three major sequences. The Back River Group is the lowest sequence"]
[374,14,"and is comprised of felsic to intermediate flows, tuffs and"]
[374,15,"breccias. The Hackett River Group overlies the Back and consists of"]
[374,16,"volcanic flows that range from felsic to mafic, as well as tuffs"]
[374,17,"and chemical sediments. The uppermost sequence is the Beechey Lake"]
[374,18,"Group, comprising turbidite sediments, greywacke, mudstone and iron"]
[374,19,"formation. Recent mapping by the Geological Survey of Canada"]
[374,20,"suggests that the Hackett River and the Back River volcanic belts,"]
[374,21,"which are generally spatially separate, may be coeval in their"]
[374,22,"upper parts (Williamson and Olson, 1990).  At least four periods of"]
[374,23,"deformation have affected the Yellowknife Supergroup. Metamorphic"]
[374,24,"grade in the Back River Region ranges from sub-greenschist to upper"]
[374,25,"amphibolite facies.  The Soc showing is underlain by greywackes,"]
[374,26,"argillites, felsic to intermediate tuffs and oxide-silicate-"]
[374,27,"arsenopyrite iron formation."]
[375,1,"The Soc Showing area has had two grids emplaced - the Soc and the"]
[375,2,"FFB(ID 076GSW0057) grid. See Figure 4 from assessment report 081789."]
[375,3,"The Soc Showing has been subjected to geological mapping at a 1:"]
[375,4,"2500 scale, geophysical surveys (magnetic and VLF-EM), frost heave"]
[375,5,"sampling and drilling of 3 diamond drill holes totalling 263 m."]
[375,6,"The geophysical surveys outlined the magnetic properties of the"]
[375,7,"iron formation which trends NW-SE with an average width of 75 m on"]
[375,8,"surface. the VLF-EM survey detected conductive portions of the iron"]
[375,9,"formation delineating the arsenide-sulphide bearing strata on the"]
[375,10,"Soc grid. The FFB grid did not have any conductive zones.  90 frost"]
[375,11,"heave samples were collected from the two grids, 70 on the Soc and"]
[375,12,"20 on the FFB.  On the Soc grid, 4 samples had gold values over 1.0"]
[375,13,"oz/ton (2.23 opt, 1.38 opt, 1.18 opt and 1.13 opt Au), 11 samples"]
[375,14,"had gold values ranging from 0.5 to 0.99 oz/ton, 32 samples ranged"]
[375,15,"from 0.1 to 0.5 oz/ton Au. The remainder of the samples had gold"]
[375,16,"values less than 0.1 opt.   Of 20 samples from the FFB grid 3"]
[375,17,"samples had gold values of 2.61, 1.30 and 1.02 oz/ton, 2 samples"]
[375,18,"had gold values ranging between 0.5 and 0.9 oz/ton, 10 samples"]
[375,19,"ranged from 0.1 to 0.5 oz/ton Au and the remainder had values below"]
[375,20,"0.1 opt.  The 3 drill holes intersected the silicate-oxide-"]
[375,21,"arsenopyrite facies iron formation and had the following elevated"]
[375,22,"gold values.  DDH SL-5-83 (FFB grid) had a 3 m interval with a gold"]
[375,23,"value of 0.09 oz/ton including a 1 m interval of 0.350 oz/ton.  DDH"]
[375,24,"SL-6-83 (Soc grid) had 2 intervals 1 m wide with gold values of 0."]
[375,25,"09 and 0.05 oz/ton respectively.  DDh SL-7-83 (Soc grid) had one"]
[375,26,"interval 2.5 m wide with a gold value of 0.036 oz/"]
[375,27,"ton"]
[376,1,"This showing is part of the Soc showing. For further information"]
[376,2,"and references see Normin ID #"]
[376,3,"076GSW0056"]
[377,1,"The Main showing lies within the northeastern portion of the"]
[377,2,"Archean Slave Structural Province in the Hackett River Greenstone"]
[377,3,"Belt. The region is bordered by the Aphebian age Bear Structural"]
[377,4,"Province to the west, and the Rae Structural Province to the east."]
[377,5,"The principal underlying supracrustal rocks belong to the Archean"]
[377,6,"Yellowknife Supergroup and consist mainly of volcanics and"]
[377,7,"metasediments. Archean intrusive and metamorphic rocks also"]
[377,8,"underlie the region. Early Proterozoic (Aphebian) clastic"]
[377,9,"sedimentary and carbonate sequences of the Goulburn Group"]
[377,10,"unconformably overlie the Archean rocks locally. Intrusive rocks of"]
[377,11,"Hudsonian age and younger diabase dykes crosscut the older"]
[377,12,"lithologies.  The Yellowknife Supergroup is divided informally into"]
[377,13,"three major sequences. The Back River Group is the lowest sequence"]
[377,14,"and is comprised of felsic to intermediate flows, tuffs and"]
[377,15,"breccias. The Hackett River Group overlies the Back and consists of"]
[377,16,"volcanic flows that range from felsic to mafic, as well as tuffs"]
[377,17,"and chemical sediments. The uppermost sequence is the Beechey Lake"]
[377,18,"Group, comprising turbidite sediments, greywacke, mudstone and iron"]
[377,19,"formation. Recent mapping by the Geological Survey of Canada"]
[377,20,"suggests that the Hackett River and the Back River volcanic belts,"]
[377,21,"which are generally spatially separate, may be coeval in their"]
[377,22,"upper parts (Williamson and Olson, 1990).  At least four periods of"]
[377,23,"deformation have affected the Yellowknife Supergroup. Metamorphic"]
[377,24,"grade  ranges from sub-greenschist to upper amphibolite facies."]
[377,25,"The Main showing is underlain by Archean greywackes, argillites,"]
[377,26,"felsic to intermediate tuffs and oxide-silicate-arsenopyrite iron"]
[377,27,"formation."]
[378,1,"The Main showing area has had  two grids emplaced  along strike (NW-"]
[378,2,"SE) - the East Main and the West Main (ID 076GSW0059) grids. See"]
[378,3,"Figure 3 from assessment report 081789.  The Main showing has been"]
[378,4,"subjected to geological mapping at a 1:2500 scale, geophysical"]
[378,5,"surveys (magnetic and VLF-EM), frost heave sampling and 8 diamond"]
[378,6,"drill holes totalling 798 m.  The geophysical surveys outlined the"]
[378,7,"magnetic properties of the iron formation which trends NW-SE with"]
[378,8,"an average width of 75 m on surface. the VLF-EM survey detected"]
[378,9,"conductive portions of the iron formation delineating the arsenide-"]
[378,10,"sulphide bearing strata on the Main grid.  Surface geochemical"]
[378,11,"sampling yeilded the following results:  East Main grid had 51"]
[378,12,"samples assayed for gold. Two samples had values greater than 1 oz/"]
[378,13,"ton, 8 samples had gold values ranging from 0.99 to 0.5 oz/ton."]
[378,14,"West Main grid had 41 surface samples collected, 3 had gold values"]
[378,15,"over 1 oz/ton, 2 of these samples are listed as being from 1982"]
[378,16,"(possibly from reconnaissance sampling though I cannot find an"]
[378,17,"accompanying report). 6 samples had gold values between the range"]
[378,18,"of 0.99 to 0.5 oz/ton.   Eight diamond drill holes were drilled as"]
[378,19,"well, 2 in the West Main grid and 6 in the East Main grid. Only one"]
[378,20,"drill hole, SL-10-83, did not encounter mineralization."]
[379,1,"This showing is part of the Main showing. For further information"]
[379,2,"and references see Normin ID #"]
[379,3,"076GSW0058"]
[380,1,"The Fire 10 showing lies within the northeastern portion of the"]
[380,2,"Archean Slave Structural Province in the Hackett River Greenstone"]
[380,3,"Belt. The region is bordered by the Aphebian age Bear Structural"]
[380,4,"Province to the west, and the Rae Structural Province to the east."]
[380,5,"The principal underlying supracrustal rocks belong to the Archean"]
[380,6,"Yellowknife Supergroup and consist mainly of volcanics and"]
[380,7,"metasediments. Archean intrusive and metamorphic rocks also"]
[380,8,"underlie the region. Early Proterozoic (Aphebian) clastic"]
[380,9,"sedimentary and carbonate sequences of the Goulburn Group"]
[380,10,"unconformably overlie the Archean rocks locally. Intrusive rocks of"]
[380,11,"Hudsonian age  and younger diabase dykes crosscut the older"]
[380,12,"lithologies.  At least four periods of deformation have affected"]
[380,13,"the Yellowknife Supergroup. Metamorphic grade  ranges from sub-"]
[380,14,"greenschist to upper amphibolite facies.  The Fire 10 showing is"]
[380,15,"underlain by Archean felsic tuffs with adjacent arenaceous"]
[380,16,"greywackes, slates, and intermediate volcanics.  Angular frost"]
[380,17,"heaved mineralized boulders of felsic volcanics extend over an area"]
[380,18,"of 25x75 m. These rocks are sheared and leached and contain"]
[380,19,"sphalerite, galena and pyrite. Reconnaissance mapping and"]
[380,20,"geochemical sampling has been done on the showing area."]
[381,1,"Assessment report 082927 reports of reconnaissance mapping and"]
[381,2,"sampling from 1987 in which samples of felsic volcanics had the"]
[381,3,"following values: 1.92 oz/ton Ag, 420 ppb Au, 3.19% Pb, 7.81% Zn"]
[381,4,"(#17644 from AR 082625), 95 ppb Au, 1.05% Pb, 3.86% Zn (#17645) and"]
[381,5,"1.98 oz/ton Ag, 765 ppb Au, 3.68% Pb and 16.43% Zn (#17646)."]
[381,6,"Samples from the showing area taken in 1989 yielded the following"]
[381,7,"results: 1.1-35 ppm Ag, 21-600 ppm Cu, 550-24,400 ppm Pb and 75-71,"]
[381,8,"400 ppm Zn (#59867-59875).  This area has also been subjected to"]
[381,9,"further reconnaissance mapping and airborne geophysical magnetic"]
[381,10,"and EM surveys to detect any features related to kimberlite pipes."]
[381,11,"In 1992 the primary focus was reassessing airborne data for"]
[381,12,"potential kimberlite pipes. Prospective localities are shown on the"]
[381,13,"maps within AR 083086."]
[382,1,"The Uist 1 showing lies within the northeastern portion of the"]
[382,2,"Archean  Slave Structural Province. The region is bordered by the"]
[382,3,"Aphebian age  Bear Structural Province to the west, and the Rae"]
[382,4,"Structural Province to the east. The principal underlying"]
[382,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[382,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[382,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[382,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[382,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[382,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[382,11,"the older lithologies.  The Yellowknife Supergroup is divided"]
[382,12,"informally into three major sequences. The Back River Group is the"]
[382,13,"lowest sequence and is comprised of felsic to intermediate flows,"]
[382,14,"tuffs and breccias. The Hackett River Group overlies the Back and"]
[382,15,"consists of volcanic flows that range from felsic to mafic, as well"]
[382,16,"as tuffs and chemical sediments. The uppermost sequence is the"]
[382,17,"Beechey Lake Group, comprising turbidite sediments, greywacke,"]
[382,18,"mudstone and iron formation. Recent mapping by the Geological"]
[382,19,"Survey of Canada suggests that the Hackett River and the Back River"]
[382,20,"volcanic belts, which are generally spatially separate, may be"]
[382,21,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[382,22,"four periods of deformation have affected the Yellowknife"]
[382,23,"Supergroup. Metamorphic grade  ranges from sub-greenschist to upper"]
[382,24,"amphibolite facies.  The Uist 1 showing is underlain by Beechey"]
[382,25,"Lake argilliceous greywacke turbidite sequences with silicate"]
[382,26,"facies iron formation horizons striking NNW."]
[383,1,"Arsenopyrite +/- pyrite +/- pyrrhotite mineralization is hosted"]
[383,2,"within altered silicate iron formations which are noted over a"]
[383,3,"strike length of approximately 1.65 km (See AR 083045 Map 2). The"]
[383,4,"Uist 1 showing consists of two grid/showing areas called Wallys"]
[383,5,"showing and Eds showing.  The Uist 1 showing has been subjected to"]
[383,6,"prospecting, geophysical surveys (magnetometer & EM), geological"]
[383,7,"mapping, rock, soil and till sampling and grid emplacement.  In"]
[383,8,"1990 work done on the Ed showing included prospecting and"]
[383,9,"geochemical sampling with 10 samples collected. Eight of the"]
[383,10,"samples had gold values over 1g/tonne. The highest gold value"]
[383,11,"collected was 46.66 g/tonne.  Work in 1991 consisted of mapping and"]
[383,12,"prospecting at a scale of 1:10,000. Assay values of up to 46.66, 20."]
[383,13,"64 and 11.28 g/tonne were returned from grab samples from Eds"]
[383,14,"showing. Values of up to 156.28, 63.22 and 10.01 g/tonne gold were"]
[383,15,"obtained from grab samples from Wallys showing.   In 1993 a soil"]
[383,16,"and till sampling program was carried out on the showing area"]
[383,17,"designed to evaluate the possible presence of kimberlite intrusions"]
[383,18,"to evaluate the diamond potential of the property. As well, rock"]
[383,19,"sampling was done to investigate precious and base metal deposit"]
[383,20,"possibilities. Eleven till and soil samples and 5 rock samples were"]
[383,21,"collected. No definate anomalies, indicator mineral suites or"]
[383,22,"geochemical signatures similar to those of kimberlite pipes were"]
[383,23,"discovered. No assay values are listed for the rock samples."]
[384,1,"In 1994 work carried out on the Uist 1 showing area included"]
[384,2,"geophysical surveys, geochemical sampling and geological mapping."]
[384,3,"A magnetic survey showed that the silicate facies iron formation"]
[384,4,"are adjacent and relate to a segment of a prominant oxide facies"]
[384,5,"banded iron formation that trends NW from Regan Lake. Locally the"]
[384,6,"BIF is deformed. The survey pinpointed the mineralized trend of the"]
[384,7,"IF.  An EM geophysical survey over the same area did not encounter"]
[384,8,"strong responses associated with wide sulphide rich BIF but number"]
[384,9,"of weak responses proximal to oxide facies iron formation were"]
[384,10,"present.  Sampling failed to identify zones of significant grade or"]
[384,11,"width. Of 13 samples collected, the highest gold grade was 0.04 oz/"]
[384,12,"ton gold."]
[385,1,"This showing is part of the Uist 1 showing. For further information"]
[385,2,"and references see Normin ID # 076GSW0061."]
[386,1,"The IM 1 showing lies within the northeastern portion of the"]
[386,2,"Archean Slave Structural Province. The region is bordered by the"]
[386,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[386,4,"Structural Province to the east. The principal underlying"]
[386,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[386,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[386,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[386,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[386,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[386,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[386,11,"the older lithologies.  The Yellowknife Supergroup is divided"]
[386,12,"informally into three major sequences. The Back River Group is the"]
[386,13,"lowest sequence and is comprised of felsic to intermediate flows,"]
[386,14,"tuffs and breccias. The Hackett River Group overlies the Back and"]
[386,15,"consists of volcanic flows that range from felsic to mafic, as well"]
[386,16,"as tuffs and chemical sediments. The uppermost sequence is the"]
[386,17,"Beechey Lake Group, comprising turbidite sediments, greywacke,"]
[386,18,"mudstone and iron formation. Recent mapping by the Geological"]
[386,19,"Survey of Canada suggests that the Hackett River and the Back River"]
[386,20,"volcanic belts, which are generally spatially separate, may be"]
[386,21,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[386,22,"four periods of deformation have affected the Yellowknife"]
[386,23,"Supergroup. Metamorphic grade  ranges from sub-greenschist to upper"]
[386,24,"amphibolite facies.  The IM 1 showing is underlain by Archean"]
[386,25,"interbedded greywacke and amphibolitic iron formations consisting"]
[386,26,"of silicate, oxide and sulphide facies that trend northwesterly and"]
[386,27,"have a moderate to steep dip. The best gold values occur in"]
[386,28,"siliceous, amphibolitic iron formations containing pyrrhotite. The"]
[386,29,"greywackes are metamorphosed to biotite schists."]
[387,1,"The IM 1 Showing includes the Triangle Lake Showing (ID 076GSW0064)"]
[387,2,"which is located along the same grid approximately 700 m SE. Work"]
[387,3,"done in the showing area includes reconnaissance mapping and"]
[387,4,"geochemical sampling ( including water samples for copper and zinc,"]
[387,5,"frost boil samples for copper, lead, zinc, silver and gold, and"]
[387,6,"rock samples for gold), geophysical surveys (including EM, VLF-EM,"]
[387,7,"magnetics), trenching and geochemical sampling and mapping of the"]
[387,8,"trenches.  Three samples  from reconnaissance work done in 1975 had"]
[387,9,"anomalous gold values of 1.05, 0.98 and 0.76 ppm.  Follow up work"]
[387,10,"done in 1976 included mapping at a 1:6000 scale, geochemical rock"]
[387,11,"sampling as well as soil and frost boil sampling and trenching (2)."]
[387,12,"Rock and soil samples were analyzed for copper, lead, zinc, silver,"]
[387,13,"and gold. Anomalous gold values from trenching are as follows: 0."]
[387,14,"031, 0.028, 0.059 and 0.093 oz/ton gold.  AR 080576 reports"]
[387,15,"anomalous copper (2050 & 1050 ppm) and zinc(2300 ppm) values but I"]
[387,16,"am unable to locate these samples on the map provided.  No further"]
[387,17,"work was done on the showing until 1984 when the property was"]
[387,18,"reexamined. A grid was established and the area was subjected to"]
[387,19,"geological mapping, trenching, rock sampling, and geophysical"]
[387,20,"surveys including ground magnetics and VLF. The greatest"]
[387,21,"concentration of mineralization occurs in the vicinity of Triangle"]
[387,22,"Lake (see plate 2 AR 081970 for location) which has a sulphidic"]
[387,23,"zone approximately 500 m long. 73 grab and chip samples were taken"]
[387,24,"of amophibolitic iron formations. The best gold values (10,400 ppb"]
[387,25,"grab, 1,160 ppb/4 m chip and 1.090 ppb/6 m chip) are associated"]
[387,26,"with zones of bedded  pyrrhotite in siliceous, amphibolitic iron"]
[387,27,"formation."]
[388,1,"The Triangle Lake Showing is part of the the IM 1 Showing (ID"]
[388,2,"076GSW0064) which is located along the same grid approximately 700"]
[388,3,"m NW. Work done in the showing area includes reconnaissance mapping"]
[388,4,"and geochemical sampling ( including water samples for copper and"]
[388,5,"zinc, frost boil samples for copper, lead, zinc, silver and gold,"]
[388,6,"and rock samples for gold), geophysical surveys (including EM, VLF-"]
[388,7,"EM, magnetics), trenching and geochemical sampling and mapping of"]
[388,8,"the trenches.  Three samples  from reconnaissance work done in 1975"]
[388,9,"had anomalous gold values of 1.05, 0.98 and 0.76 ppm.  Follow up"]
[388,10,"work done in 1976 included mapping at a 1:6000 scale, geochemical"]
[388,11,"rock sampling as well as soil and frost boil sampling and trenching"]
[388,12,"(2). Rock and soil samples were analyzed for copper, lead, zinc,"]
[388,13,"silver, and gold. Anomalous gold values from trenching are as"]
[388,14,"follows: 0.031, 0.028, 0.059 and 0.093 oz/ton gold.  AR 080576"]
[388,15,"reports anomalous copper (2050 & 1050 ppm) and zinc(2300 ppm)"]
[388,16,"values but I am unable to locate these samples on the map provided."]
[388,17,"No further work was done on the showing until 1984 when the"]
[388,18,"property was reexamined. A grid was established and the area was"]
[388,19,"subjected to geological mapping, trenching, rock sampling, and"]
[388,20,"geophysical surveys including ground magnetics and VLF. The"]
[388,21,"greatest concentration of mineralization occurs in the vicinity of"]
[388,22,"Triangle Lake (see plate 2 AR 081970 for location) which has a"]
[388,23,"sulphidic zone approximately 500 m long. 73 grab and chip samples"]
[388,24,"were taken of amophibolitic iron formations. The best gold values"]
[388,25,"(10,400 ppb grab, 1,160 ppb/4 m chip and 1.090 ppb/6 m chip) are"]
[388,26,"associated with zones of bedded  pyrrhotite in siliceous,"]
[388,27,"amphibolitic iron formation.  For further information and"]
[388,28,"references see Normin ID # 076GSW0063."]
[389,1,"The Orc showing is underlain by Archean volcaniclastics that strike"]
[389,2,"E-W and dip steeply to the north. Fold and fold closures give minor"]
[389,3,"evidence to tight isoclinal folding with the folds plunging"]
[389,4,"eastward. Mineralization  occurs within pyritic gossan zones hosted"]
[389,5,"in cherty rhyolite tuff and associated with acid fragmentals. Work"]
[389,6,"done on the showing includes: geological reconnaissance mapping,"]
[389,7,"soil sampling and a petrographic report of seven thin sections."]
[389,8,"Four samples from a gossanous zone with minor disseminated"]
[389,9,"sphalerite and pyrite had zinc values of: 3400, 6000, 4400 and 4100"]
[389,10,"ppm.   Reconnaissance sampling from 1983 yielded assays with the"]
[389,11,"following range of gold, zinc, copper and silver values: 1.89 - 16."]
[389,12,"7% Zn, 0.016 - 0.029 opt Au, 0.508 - 2.69% Cu and 1.49 opt Ag."]
[390,1,"Capsule"]
[390,2,"Geology"]
[391,1,"The Ray Showing is a small uranium showing exposed in Aphebian"]
[391,2,"gneiss and pegmatite over 29 meters at surface. Work included"]
[391,3,"airborne scintillometer, mapping and ground investigation of"]
[391,4,"anomalies in 1975-76. In 1978 a ground radiometric survey and"]
[391,5,"diamond drilling were completed. Indicated resources are listed as"]
[391,6,"75,000 at 1.00 lbs/t U3O8 to a depth of 60 m (1978). This showing"]
[391,7,"is small and did not continue at depth."]
[392,1,"9 significant showings."]
[393,1,"Turquetil Lake Northwest is a gold showing associated with"]
[393,2,"carbonate (-quartz) alteration within sheared mafic to intermediate"]
[393,3,"volcanics .  The host volcanic are part of the Archean Kaminak"]
[393,4,"Group supracrustral rocks in the Churchill-Hearne Structural"]
[393,5,"Province.  The alteration zone (shearing) is traceable in 4"]
[393,6,"seperate directions (north, northwest, southwest and southeast) for"]
[393,7,"up to 12 kilometres.  Gold mineralization has been encountered in"]
[393,8,"drill core on the eastern side of the  river in two carboante"]
[393,9,"altered, sheet-like zones which strike northeast and dip steeply"]
[393,10,"northwest (varying to north-northeast).  Gold mineralization in"]
[393,11,"these altered zones was encountered over a strike lenght of 940"]
[393,12,"metres.  On the western side of the Turquetil River a single gold-"]
[393,13,"bearing, carbonate altered (shear) zone occurs.  This zone is"]
[393,14,"traceable for about 1200 metres and is situated on the hanging wall"]
[393,15,"side of a northeast trending fault thats dips northward.   These"]
[393,16,"zones have alteration widths of up to 100 metres (DIAND,"]
[393,17,"Exploration Overview 1988; reference 1988).  Drill hole results"]
[393,18,"include 13.1 metres grading 7.27 grams/tonne gold and 8.5 metres"]
[393,19,"grading 9.21 grams/tonne gold.  A resource estimate was preformed"]
[393,20,"on the Turquetil Lake property with a probable resevre figure of 3,"]
[393,21,"800,000 tonnes grading 2.4 grams/ton which includes a drill-"]
[393,22,"indicated reserve of 550,000  tonnes grading 6.31 grams/tonne gold."]
[393,23,"The zone is still open along strike and at depth.  A brief history"]
[393,24,"of the area starts with exploration work in the Turquetil Lake area"]
[393,25,"by Giant Yellowknife Mines in the 1960 s followed by geological"]
[393,26,"mapping completed in the 1970 s by the Geological Survey of Canada."]
[393,27,"Essex Minerals Company, in 1976, intersected a gold-bearing zone"]
[393,28,"assaying 0.212 oz/ton over 43 feet during a drilling program."]
[393,29,"Follow-up ground geophysicals was preformed in the late 1970 s,"]
[393,30,"along with additional diamond drilling.  Nobal Peak Resources and"]
[393,31,"Dejour Mines Limited, staked claims over the"]
[393,32,"mineralized"]
[394,1,"areas around Turquetil Lake.  Regional and detailed mapping,"]
[394,2,"diamond drilling, rock sampling (including channel sampling) and"]
[394,3,"airborne geophysics were used to better define the gold-bearing"]
[394,4,"structures since 1988."]
[395,1,"The gold-bearing iron fromation comprising the Discovery prospect"]
[395,2,"occurs within the Archean Kaminak Group supracrustal rocks.  The"]
[395,3,"iron formation is along the Pyke Fault which extends for 50"]
[395,4,"kilometres (3 to 5 kilometres wide) through the Meliadine property."]
[395,5,"Three structurally distinct  folds along the same iron formation"]
[395,6,"makes up Discovery which has a strike lenght of 250 metres and a"]
[395,7,"depth of 466 metres.  In 1989 the showing was first discovered"]
[395,8,"through sampling and geophysical means.  Since then tens of drill"]
[395,9,"holes and airborne geophysical surveys were used to better define"]
[395,10,"the showing.  The diamond drilling has yielded gold values of 19.89"]
[395,11,"grams/tonne  over 4.7 metres.  The showing is reported to contain 1,"]
[395,12,"386,000 tonnes of 6.8  grams/tonne gold (proven) and a probable"]
[395,13,"resource of 455,000 tonnes grading 6.47 grams/tonne gold."]
[396,1,"The F-Zone is an cherty iron formation (magnetite-poor) with gold-"]
[396,2,"bearing quartz veins.  Theses quartz veins occur in the high"]
[396,3,"strained (fold hinges) areas of the structure.  A 4,300 foot strike"]
[396,4,"lenght is reported for the zone which is one of several iron"]
[396,5,"formations comprising the Wes Meg prospect.   Sulphide"]
[396,6,"mineralization in the iron formation includes mainly arsenopyrite"]
[396,7,"and [pyrite with lesser chalcopyrite.    Since at least 1994,  tens"]
[396,8,"of drill holes have been completed on the zone and an indentified"]
[396,9,"resource has been calculated based ion surface drilling results."]
[396,10,"The indicated reserve for the F-Zone are 1,800,000 tonnes grading 7."]
[396,11,"8 grams/tonne gold giving 0.4 million ounces of gold (reference"]
[396,12,"19980629Comaple)."]
[397,1,"The area is underlain by the easterly part of the Rankin - Ennadai"]
[397,2,"Greenstone Belt.  This belt, which is up to 380 km long, is"]
[397,3,"comprised of three east-northeast trending basins containing both"]
[397,4,"Archean and Aphebian rocks.  Archean rocks of the Kaminak"]
[397,5,"Supergroup (Lewry, Sibbald and Schledewitz, 1985) are comprised of"]
[397,6,"volcanic sequences, sediments and minor iron formation units.  At"]
[397,7,"least four complete mafic-felsic volcanic cycles are recognized"]
[397,8,"(Ridler and Shilts, 1974).   Recent mapping in the Tavani map area"]
[397,9,"has lead to further subdivision of the Kaminak Supergroup into the"]
[397,10,"Kasigialik Group and the Tagiulik Formation (Park and Ralser, 1990)."]
[397,11,"The Kasigialik Group encompasses a volcanic-sedimentary sequence"]
[397,12,"comprised of mafic pillow lavas (Atungag Formation), mafic and"]
[397,13,"felsic volcanics, volcaniclastics, breccias and conglomerates"]
[397,14,"(Akliqnaktuk Formation) and quartzofeldspathic turbidites"]
[397,15,"(Evitaruktuk Formation).  The Taguilik Formation is dominantly"]
[397,16,"quartz poor turbidites with banded ironstones.  Archean rocks in"]
[397,17,"the area generally trend northeast-southwest.   Kaminak Supergroup"]
[397,18,"rocks are unconformably overlain by Aphebian age sediments of the"]
[397,19,"Hurwitz Group which  form two elongate northeasterly striking"]
[397,20,"domains offset slightly by northwest trending dextral faults.  In"]
[397,21,"this area, Hurwitz Group is comprised of two main"]
[398,1,"ean D1 corresponds to large scale F1 folds, pervasive S1 foliation"]
[398,2,"and bedding parallel high strain zones.  D2, also Archean, is"]
[398,3,"characterized by northeast trending open to tight folds and steeply"]
[398,4,"dipping shear zones.  Proterozoic deformation, during the Hudsonian"]
[398,5,"Orogeny, resulted in the folding of both the Hurwitz Group and the"]
[398,6,"Kaminak Supergroup rocks.                    Age dating indicates"]
[398,7,"granite emplacement as syn-D1 and post-D2 (2659 +/- 4.6 Ma)."]
[398,8,"Metamorphism in Archean rocks varies from sub-greenschist to upper-"]
[398,9,"amphibolite near intrusive bodies, while Hurwitz Group reach sub-"]
[398,10,"greenschist facies.  A migmatite occurs in the western part of the"]
[398,11,"map area and is thought to have been thrust emplaced from the west"]
[398,12,"(Park and Ralser, 1990).                    Detailed mapping by Al"]
[398,13,"Miller of the GSC (Miller, 1989) divided the predominantly mafic"]
[398,14,"volcanic sequence into three meta-volcanic units with minor meta-"]
[398,15,"sedimentary units.  The entire sequence trends northeast-southwest,"]
[398,16,"dips northwest at 40? to 60? and is interpreted to be an upright"]
[398,17,"homocline.  The three volcanic units (V1-V3) are basically"]
[398,18,"comprised of pillowed and massive flows while the sedimentary units"]
[398,19,"may contain tuffaceous sediments, pyritic chert and black slates."]
[398,20,"Park and Rasler (1990) mapped these rocks as belonging to the"]
[398,21,"Akliqnaktuk Formation of the Kaminak Supergroup."]
[398,22,"The Fat Lake showing occurs in one of two quartz diorite (termed"]
[398,23,"the  Fat Lake  suite by Park and Ralser, 1990) sills characterized"]
[398,24,"by 5 mm to 10 cm sized feldspar crystals in a medium grained,"]
[398,25,"equigranular matrix.  The Fat Lake intrusion occurs at/near the"]
[398,26,"contact of the V1 volcanic unit and the S1 sedimentary unit (Miller,"]
[398,27,"1989).  Contacts of the Fat Lake sill are sheared while those of"]
[398,28,"the Caribou Horn intrusion,"]
[399,1,"further northeast, are not deformed.  The shears trend about 050?,"]
[399,2,"with related shears at 030?, and imply dextral movement.  The"]
[399,3,"shears are believed to be important to both gold mineralization and"]
[399,4,"in influencing the deposition of Proterozoic Hurwitz Group"]
[399,5,"sediments (Miller, 1989).                    Gold mineralization is"]
[399,6,"found in quartz veins in supplemental shears which may be up to 5 m"]
[399,7,"wide and 300 m long (Skillings, 1986; AR 081936).  Veins are"]
[399,8,"preferential to the quartz diorite sill and appear to die out"]
[399,9,"within meters of the contact with the surrounding mafic volcanic"]
[399,10,"rocks.  The quartz veins are generally 0.3 m wide and from 25 to"]
[399,11,"100 m long (AR 081936) and highly irregular (may be folded or"]
[399,12,"boudinaged) demonstrating several opening/filling phases (Miller,"]
[399,13,"1989).  Between two and four generations of quartz are recognized"]
[399,14,"(Skillings, 1985; Skillings, 1986).  Veins contain varying amounts"]
[399,15,"of carbonate, chlorite and disseminated pyrite, chalcopyrite,"]
[399,16,"sphalerite, galena and visible gold.  There are reportedly numerous"]
[399,17,"quartz veins in the area but four (#99 - #103) veins have received"]
[399,18,"the most interest.                    Alteration in the quartz"]
[399,19,"diorite consists of black chlorite associated with the quartz veins"]
[399,20,"and epidote-like discoloration of the intrusive between the veins"]
[399,21,"(Miller, 1989).  The shear zones are generally chloritized and"]
[399,22,"carbonitized.  Some alteration of the magnetite and titanite is"]
[399,23,"also noted in the sill.                    Gold mineralization is"]
[399,24,"dated as being Archean.  Park and Ralser (1990) state that the"]
[399,25,"auriferous veins are"]
[400,1,"Work on this showing reportedly occurred as far back as the 1940s"]
[400,2,"when Hudson Bay Mining and Smelting blasted trenches (AR 080406)."]
[400,3,"In the 1970s the property was covered by the IT claims and grab and"]
[400,4,"channel samples were collected from quartz veins and carbonate"]
[400,5,"shear zones by a Coniagas/Denison/J.A. Syme joint venture group."]
[400,6,"The best value from their sampling was 2.85 opt Au and 0.61 opt Ag"]
[400,7,"over 1 foot.  At $100 per ounce price of gold, it was recommended"]
[400,8,"no further work be done as the gold in the veins was high grade but"]
[400,9,"not sufficient in size (AR 080406).  Borealis Exploration Limited"]
[400,10,"first examined the ground as part of the exploration program on"]
[400,11,"prospecting permit 1070 (just north of Fat Lake).  The showing was"]
[400,12,"then staked as the SUSAN claims and Borealis also obtained numerous"]
[400,13,"other prospecting permits in the 55K/4 map sheet to protect ground"]
[400,14,"for further gold exploration.  Borealis work history on this"]
[400,15,"particular showing and others in the area is somewhat confusing and"]
[400,16,"hard to decipher from the various reports and the following is a"]
[400,17,"brief summary, as best as can be determined for the Fat Lake"]
[400,18,"deposit.  In  1985, Borealis did detailed mapping and grab, channel"]
[400,19,"and pan sampling on the A grid or South Zone (not to be confused"]
[400,20,"with the South Gossan zone) of Fat Lake.  (The North Zone or B grid"]
[400,21,"actually refers to the North Occurrence (see NT MINFILE showing"]
[400,22,"055KSW0042).).  The best value came from sample 15 which contained"]
[400,23,"4.02 opt Au (grab).  They also did Max-min suveys but did not get"]
[400,24,"any anomalies however a magnetic survey delineated a response"]
[400,25,"coincident with a northeast-southwest trending shear zone."]
[400,26,"Exploration work in 1986 consisted of more detailed mapping,"]
[400,27,"sampling, geophysical surveys"]
[400,28,"and"]
[401,1,"diamond drilling.  They did EM and magnetic surveys and outlined"]
[401,2,"an EM conductor under Fat Lake which was consequently drilled with"]
[401,3,"6 holes (593 m).  The holes intersected iron formation and shear"]
[401,4,"zones but no good gold values were returned from sampling (AR"]
[401,5,"082788).  Detailed mapping, trenching (not alot of details about"]
[401,6,"this) and channel sampling were also completed.  The best sample"]
[401,7,"returned a 6.8 gpt Au value but the width of the channel is not"]
[401,8,"known.  Forty-five holes were  then drilled on the Fat Lake showing"]
[401,9,"totalling 1586 m. The following year, 8 more drill holes were"]
[401,10,"completed on the Fat Lake site and with encouraging results they"]
[401,11,"decided to do some underground development.  Borealis drove a 70 m"]
[401,12,"decline shaft to the -17 m and drifted about 75 m along the length"]
[401,13,"of one of the four main veins (Vein 101) for underground mapping"]
[401,14,"and sampling.  Later that season, another 25 drill holes were"]
[401,15,"completed (1270 m ) with a best result of 14.3 opt Au over 1.10 m"]
[401,16,"from a vein named Sofyas Vein (not sure if this is one of the"]
[401,17,"original four veins numbered 99-103).  A test mill also opertated"]
[401,18,"for three days processing 150 tonnes of ore from Vein 101 (AR"]
[401,19,"082788).  In 1988, a 3 m by 3.5 m ramp was driven to the 960 (-40"]
[401,20,"m) level (AR 082788, 1988 Annual Report) and 56 samples were"]
[401,21,"collected from the walls of the ramp.  In addition, 8 drill holes"]
[401,22,"were completed for 1271 m.  Ore reserves were calculated based on"]
[401,23,"72 inclined holes drilled on the #99-103 veins (of which only 36"]
[401,24,"had acid dip tests) and reserves were only calculated for the four"]
[401,25,"main veins.  They calculated reserves of 13,895 tonnes at 15.03"]
[401,26,"grams/tonne Au (AR 082788, page 14).  In the same year, the 1988"]
[401,27,"Annual Report for Borealis Exploration Limited (released March 31,"]
[401,28,"1988)"]
[401,29,"sta"]
[402,1,"Gold mineralization within the Cache Zone is associated with pyrite,"]
[402,2,"quartz veining, structural features and alteration typical of"]
[402,3,"major producing gold deposits (Troupe et al., 1989).  The deposit"]
[402,4,"occurs in a conformable shear zone within an altered felsic to"]
[402,5,"intermediate volcanogenic unit adjacent to a contact with mafic"]
[402,6,"volcanic flows.  Diamond drilling established that gold"]
[402,7,"mineralization extends more than 200 m vertically, the width and"]
[402,8,"grade increasing with depth.  The gold is associated with"]
[402,9,"disseminated, euhedral pyrite.  Five parallel but distinct zones of"]
[402,10,"mineralization have been recognised.  Channel samples taken by"]
[402,11,"Noble Peak (1989) across a 1 m wide quartz vein gave average assay"]
[402,12,"values of 1.71 oz/ton gold over 4 metres.  The discovery channel"]
[402,13,"sample assayed 58.6 g/t gold across 4 m of quartz stockwork.  A"]
[402,14,"possible reserve of 364 000 tonnes grading 9.26 g/t gold was"]
[402,15,"indicated by the 1988 drilling program.  Four holes were drilled in"]
[402,16,"1989 in order to outline the extension of the Cache zone 100 m"]
[402,17,"below the 1988 holes.  It is now thought that the mineralized zone"]
[402,18,"plunges to the west, has a strike length of 250 m and a depth of"]
[402,19,"300 m (EMPR-GNWT, 1995).  Five grab samples were taken by D.A."]
[402,20,"Irwin (1995) just 300 m south-southeast of the main showing of the"]
[402,21,"Cache Zone.  Assays show anomalous gold for four of the five"]
[402,22,"samples, with values ranging from 840 - 7560 ppb gold (Irwin, 1995)."]
[403,1,"In Dec. 1971 Pan Ocean Oil Ltd. estimated average width to be 6"]
[403,2,"feet of 0.46% U3O8."]
[404,1,"The Tiriruniak Zone is a quartz-rich shear cutting iron formation,"]
[404,2,"basalts and sediments of the  Archean Kaminak Group.  Drill core"]
[404,3,"contains white mineralized quartz veins (possible stockwork)"]
[404,4,"containing ankerite, arsenopyrite and locally pyrrhotite.  The"]
[404,5,"mineralized zone contains significant gold assays which include 0."]
[404,6,"98 oz/ton gold over 7.7 feet (1998 dirll hole 205).   Local chert-"]
[404,7,"rich  breccia zones were intersected in drill core.  The showing"]
[404,8,"consists of two parallel zones termed the Upper Contact and Lower"]
[404,9,"Shear.  A mineralized trend extending about 1 kilometre was"]
[404,10,"delineated with diamond drilling on the Upper Contact Zone.  A"]
[404,11,"resource calculation of 8,000,000 tonnes grading 11.1 grams/tonne"]
[404,12,"gold (identified reserve) was completed in 1998 (reference"]
[404,13,"19980629Comaple)."]
[405,1,"Ground surveys and 12 diamond drill holes totalling 2234 feet cut"]
[405,2,"values in 1970.  Estimated 500 tons of U3O8 and 1000 tons of MoS2."]
[406,1,"The Heninga Lake volcanogenic massive sulphide deposits are"]
[406,2,"situated within the Rankin-Ennadai greenstone belt in the Archean"]
[406,3,"Hearne structural province. Mineralization occurs as three discrete"]
[406,4,"lenses in ash tuffs of the Kaminak Group, near the top of Leggetts"]
[406,5,"(1980) Formation A, a sequence of interlayered intermediate and"]
[406,6,"felsic lapillistones, ash tuff, volcaniclastic sediments, crystal"]
[406,7,"tuffs and mafic flows or sills. The overlying Formation B comprises"]
[406,8,"a sequence of intermediate to mafic flows, flow breccia, ash tuff,"]
[406,9,"lapillistone, breccia, volcaniclastic sediments and minor oxide"]
[406,10,"facies iron formation. Layered rocks generally strike eastnortheast"]
[406,11,"and dip vertically or steeply to the south. Archean rocks have been"]
[406,12,"regionally metamorphosed to the greenschist facies except in"]
[406,13,"contact zones around some larger intrusive bodies, where a higher"]
[406,14,"grade is developed. Large scale NNE trending isoclinal folds are"]
[406,15,"the dominant structural influence in the vicinity of the deposits."]
[406,16,"Three sulphide lenses occur in Member A4 of Formation A, a 50 - 150"]
[406,17,"m thick sequence of intermediate to felsic ash tuff and"]
[406,18,"lapillistone with lesser tuffaceous sediments and chert. The"]
[406,19,"Western Zone consists of a single, 3 - 4 m thick and 400 m long"]
[406,20,"lense, while the smaller Eastern and Central lenses are up to 3 m"]
[406,21,"thick and 90 m long. All three lenses thin rapidly laterally,"]
[406,22,"dividing into multiple narrow horizons of semi-massive to massive"]
[406,23,"sulphides interbedded with chert and ash tuffs.  The Central and"]
[406,24,"Western zones both consist of a stratiform, bedded horizon of"]
[406,25,"sphalerite, pyrite and minor galena with a central, relatively"]
[406,26,"structureless core of chalcopyrite, pyrite and minor pyrrhotite."]
[407,1,"A discordant stringer sulphide zone within a sericite-quartz-"]
[407,2,"chlorite-carbonate alteration pipe underlies the massive sulphides."]
[407,3,"The Eastern zone lacks a feeder pipe and is dominantly a horizon of"]
[407,4,"bedded sphalerite, pyrite, galena, chalcopyrite and tetrahedrite."]
[407,5,"Drilling has established a reserve of about 5.5"]
[407,6,"million tonnes grading 9.0% Zn, 1.3% Cu, 67.0 g/t Ag and 1.0 g/t Au."]
[408,1,"The Ferguson Lake Cu-Ni sulphide deposit is located in the Archean"]
[408,2,"Hearne Structural Province, part of the previously designated"]
[408,3,"Churchill Province. Mineralization is present as a 20 km long"]
[408,4,"sulphidic zone situated in an east-west trending package of mafic"]
[408,5,"volcanics sandwiched between various high grade ortho and"]
[408,6,"paragneissic terranes. The volcanic rocks have been metamorphosed"]
[408,7,"to upper amphibolite to granulite facies. Several syn to post-"]
[408,8,"tectonic gabbros and late syenite intrusives cut the stratified"]
[408,9,"rocks.  The most abundant rock type in the immediate vicinity of"]
[408,10,"mineralization is a medium grained mafic amphibolite containing 30 -"]
[408,11,"60% hornblende. No primary textures remain although a moderate to"]
[408,12,"strong subhorizontal lineation is present. Sulphide mineralization"]
[408,13,"occurs in a 50 - 200 m wide, medium to coarse grained hornblendite"]
[408,14,"subunit that has been interpreted as a metamorphosed ultramafic"]
[408,15,"sill within the amphibolites. It contains more than 60% hornblende,"]
[408,16,"plagioclase and minor garnet and locally displays modal banding"]
[408,17,"probably related to metamorphism. A moderate foliation or lineation"]
[408,18,"is often present.  The main sulphide zone generally occurs as a"]
[408,19,"single discrete horizon up to 10 metres thick but may locally"]
[408,20,"comprise a series of narrow parallel horizons. A strong gossan"]
[408,21,"marks the zone in outcrop. Mineralization consists of both"]
[409,1,"Stringer type mineralization is more continous, consisting of"]
[409,2,"stratabound veinlets of chalcopyrite, pyrite and pyrrhotite"]
[409,3,"comprising up to 10% by volume of the hornblendite. Amphibolite"]
[409,4,"immediately adjacent to sulphides is garnetiferous. Canadian Nickel"]
[409,5,"(Inco) carried out a large program of geophysics, mapping, diamond"]
[409,6,"drilling and bulk sampling in the early 1950s, eventually outlining"]
[409,7,"approximately 7.3 million tons grading 0.87% Cu and 0.75% Ni in the"]
[409,8,"main mineralized zone. The deposit was traced over a strike length"]
[409,9,"of 7700 metres and to a depth of about 250 metres. In 1987,"]
[409,10,"Homestake Mineral Development Company optioned the property and"]
[409,11,"sampled it for PGE. Samples of breccia style mineralization"]
[409,12,"contained from 50-700 ppb Pt and up to 5000 ppb Pd. Samples of"]
[409,13,"stringer style sulphides contained from 80-800 ppb Pt and 90-1200"]
[409,14,"ppb Pd. Sulphides also contain erratically anomalous levels of Co"]
[409,15,"(up to several hundred ppm) and Au (up to a few tens or hundreds of"]
[409,16,"ppb)."]
[410,1,"The Yathkyed Lake showing is an unconformity-vein type uranium"]
[410,2,"deposit at the margin of the Helikian Dubawnt Group sediments and"]
[410,3,"hosted in the underlying Archean tuffaceous and exhalative"]
[410,4,"sediments. The deposit is stratabound and is delineated as several"]
[410,5,"thin moderately plunging shoots within the interflow sediments."]
[410,6,"Work was done in the showing area from 1975-1982 and included"]
[410,7,"airborne radiometric, magnetic and VLF-EM surveys, ground"]
[410,8,"scintillator, magnetic and EM geophysical surveys, geochemical"]
[410,9,"sampling, geological mapping and diamond drilling. The drill"]
[410,10,"indicated resources of 387,619 tons at 1.05% U3O8 plus  141,934"]
[410,11,"inferred  tons at 1.24%. The resources were outlined by diamond"]
[410,12,"drilling in an nearly vertical zone 3,600 feet long to a depth of"]
[410,13,"750 feet. It is stated that this deposit would be difficult to mine"]
[410,14,"without substantial dilution."]
[411,1,"The Lone Gull showing is an unconformity related vein type deposit"]
[411,2,"located near the faulted margin of the Thelon Basin. Mineralization"]
[411,3,"is hosted in multiple lithologies. Archean feldspathic wacke and"]
[411,4,"minor pelite, Archean/Proterozoic W-Mo bearing porphyritic granite"]
[411,5,"and Dubawnt group syenitic dykes. The uranium mineralization is"]
[411,6,"close to the surface, down to 175 m and is amenable to open pit"]
[411,7,"mining.  Work on the showing commenced in1974 with the initial"]
[411,8,"field geochemical and geophysical discovery. This was followed by"]
[411,9,"diamond drilling, a biological study, geological mapping,"]
[411,10,"geophysics, geochemical sampling, a gravity survey and in 1988-89 a"]
[411,11,"feasibility study.   The calculated resource for this showing is"]
[411,12,"listed as 2.99 million metric tonnes at 0.61% U3O8."]
[412,1,"Mineralization of the Lost Lake showing is syngenetic but"]
[412,2,"remobilized uraninite dissemination within thinly interbedded"]
[412,3,"arkose-siltstone-mudstone of the upper Aphebian Amer group. The"]
[412,4,"showing is near the Thelon unconformity and this Aphebian"]
[412,5,"mineralization may have been upgraded by processes similar to"]
[412,6,"unconformity related vein type uranium mineralization.  Work on the"]
[412,7,"showing commenced in 1977 with a VLF-EM and IP geophysical survey"]
[412,8,"and geochemical sampling. in 1979 diamond drilling was done and in"]
[412,9,"1984 geochemistry, and a VLF-EM and magnetic geophysical survey was"]
[412,10,"completed. An inferred resource of 900,000 metric tonnes at 0.104%"]
[412,11,"U3O8 is listed."]
[413,1,"The Third Portage Lake deposit lies within the Tehek-Sissons"]
[413,2,"greenstone metasedimentary belt of Archean age, in the Churchill"]
[413,3,"Structural province of the Canadian shield.  The belt is subdivided"]
[413,4,"into two groups and one, the Woodburn Lake group, underlies the"]
[413,5,"area of interest.  It is comprised of a northeast-trending sequence"]
[413,6,"of metavolcanic and metasedimentary rocks (Hauseux, 1989).  This"]
[413,7,"supracrustal package is dominated by fine-grained clastics such as"]
[413,8,"greywacke, argillite and rare pelite, but is characterized by the"]
[413,9,"presence of spinifex-textured komatiites and ultramafic schists,"]
[413,10,"oxide and silicate facies iron formations and associated quartzite"]
[413,11,"units (Hughes and Legault, 1993).  Rocks of the Woodburn Group are"]
[413,12,"intruded by Kenoran-age (late Archean) unfoliated granitic plutons"]
[413,13,"and Early Proterozoic-age Amer Group and Hurwitz Group supracrustal"]
[413,14,"rocks rest unconformably on the granties to the northwest and"]
[413,15,"southeast, respectively (Hughes and Legault, 1993).  Metamorphic"]
[413,16,"grade is generally upper greenschist but locally reaches"]
[413,17,"amphibolite facies.  The regional structure involves a large shear"]
[413,18,"zone and complex folding.  The shear zone is typified by brittle"]
[413,19,"features such as fault gouge, breccia and quartz veins in the north"]
[413,20,"and mylonitic features indicative of more ductile deformation in"]
[413,21,"the south.  The Portage Fault Shear Zone trends roughly north-south"]
[413,22,"and dips moderately to the west.  Four phases of folding have been"]
[413,23,"discerned in the area (Hughes and Legault, 1993).  Two phases have"]
[413,24,"been seen in drill core.  The first is isoclinal with tight folds"]
[413,25,"on the order of 10-20 cm across.  These are folded by a more open,"]
[413,26,"asymmetrical set of folds (Hubacheck and Atkinson, 1993)."]
[414,1,"Hughes and Legault (1993) argue that the entire supracrustal"]
[414,2,"sequence has undergone significant isoclinal folding and lies"]
[414,3,"within a regional recumbant fold structure.  The Portage Fault"]
[414,4,"Shear Zone (or Third Portage Lake Fault Zone) post-dates the"]
[414,5,"folding phases and may represent the gold fluid conuit for the"]
[414,6,"known mineralization (Hughes and Legault, 1993).  Significant gold"]
[414,7,"mineralization occurs in two settings.  Pyrrhotite-bearing ductile"]
[414,8,"shear zones in magnetite-chert-grunerite iron formation is the most"]
[414,9,"common type of mineralization.  However, higher grade gold"]
[414,10,"mineralization occurs where pyrite has been introduced, either as"]
[414,11,"direct replacement of previously folded pyrrhotite and magnetite or"]
[414,12,"in association with various quartz vein events.  This high grade"]
[414,13,"gold may be related to fold axes (Hubacheck and Atkinson, 1993)."]
[414,14,"Some of the highest grade assays are contained in sections having"]
[414,15,"20-50% grey quartz with pyrite,  Values up to 20.5 g/t over 4.8"]
[414,16,"metres were returned from 1989 drilling on the Third Portage Lake"]
[414,17,"deposit (Barham and Mudry, 1990).  Work has continued on the Third"]
[414,18,"Portage Lake deposit, which has been estimated to hold a resource"]
[414,19,"of over 710 560 oz of gold within 95 metres from the surface, at an"]
[414,20,"average grade of 6.53 g/tonne (cut).  Recent engineering studies"]
[414,21,"indicat that >90% of the resource will likely be accessible by open"]
[414,22,"pit extraction (Cumberland Resources Annual Report, 1996)."]
[415,1,"The Third Portage Lake deposit lies within the Tehek-Sissons"]
[415,2,"greenstone metasedimentary belt of Archean age, in the Churchill"]
[415,3,"Structural province of the Canadian shield.  The belt is subdivided"]
[415,4,"into two groups and one, the Woodburn Lake group, underlies the"]
[415,5,"area of interest.  It is comprised of a northeast-trending sequence"]
[415,6,"of metavolcanic and metasedimentary rocks (Hauseux, 1989).  This"]
[415,7,"supracrustal package is dominated by fine-grained clastics such as"]
[415,8,"greywacke, argillite and rare pelite, but is characterized by the"]
[415,9,"presence of spinifex-textured komatiites and ultramafic schists,"]
[415,10,"oxide and silicate facies iron formations and associated quartzite"]
[415,11,"units (Hughes and Legault, 1993).  Rocks of the Woodburn Group are"]
[415,12,"intruded by Kenoran-age (late Archean) unfoliated granitic plutons"]
[415,13,"and Early Proterozoic-age Amer Group and Hurwitz Group supracrustal"]
[415,14,"rocks rest unconformably on the granties to the northwest and"]
[415,15,"southeast, respectively (Hughes and Legault, 1993).  Metamorphic"]
[415,16,"grade is generally upper greenschist but locally reaches"]
[415,17,"amphibolite facies.  The regional structure involves a large shear"]
[415,18,"zone and complex folding.  The shear zone is typified by brittle"]
[415,19,"features such as fault gouge, breccia and quartz veins in the north"]
[415,20,"and mylonitic features indicative of more ductile deformation in"]
[415,21,"the south.  The Portage Fault Shear Zone trends roughly north-south"]
[415,22,"and dips moderately to the west.  Mineralization at the Third"]
[415,23,"Portage Lake North Extension is represented by a UTEM conductor and"]
[415,24,"mineralized frost heave at the surface.  Drilling confirmed"]
[415,25,"suspected anomalous gold associated with iron formation and"]
[415,26,"shearing."]
[416,1,"A sequence of drill core comprising cherty iron formation and"]
[416,2,"quartz/muscovite-schist with pyritic and chloritic quartz veins"]
[416,3,"gave a gold of 9.2 g/tonne over seven metres (Hubacheck and"]
[416,4,"Atkinson, 1993).  The 1996 Annual Report for Cumberland Resources"]
[416,5,"Ltd indicates that the North Portage deposit holds a reserve of 259"]
[416,6,"185 tonnes gold grading 9.31 g/tonne for a total of 77 606 ounces"]
[416,7,"gold."]
[417,1,"The Goose Island prospect is located just one km south of Third"]
[417,2,"Portage Lake deposit, which lies within the Tehek-Sissons"]
[417,3,"greenstone metasedimentary belt of Archean age, in the Churchill"]
[417,4,"Structural province of the Canadian shield.  The belt is subdivided"]
[417,5,"into two groups and one, the Woodburn Lake group, underlies the"]
[417,6,"area of interest.  It is comprised of a northeast-trending sequence"]
[417,7,"of metavolcanic and metasedimentary rocks (Hauseux, 1989).  This"]
[417,8,"supracrustal package is dominated by fine-grained clastics such as"]
[417,9,"greywacke, argillite and rare pelite, but is characterized by the"]
[417,10,"presence of spinifex-textured komatiites and ultramafic schists,"]
[417,11,"oxide and silicate facies iron formations and associated quartzite"]
[417,12,"units (Hughes and Legault, 1993).  Rocks of the Woodburn Group are"]
[417,13,"intruded by Kenoran-age (late Archean) unfoliated granitic plutons"]
[417,14,"and Early Proterozoic-age Amer Group and Hurwitz Group supracrustal"]
[417,15,"rocks rest unconformably on the granties to the northwest and"]
[417,16,"southeast, respectively (Hughes and Legault, 1993).  Metamorphic"]
[417,17,"grade is generally upper greenschist but locally reaches"]
[417,18,"amphibolite facies.  The regional structure involves a large shear"]
[417,19,"zone and complex folding.  The shear zone is typified by brittle"]
[417,20,"features such as fault gouge, breccia and quartz veins in the north"]
[417,21,"and mylonitic features indicative of more ductile deformation in"]
[417,22,"the south.  The Portage Fault Shear Zone trends roughly north-south"]
[417,23,"and dips moderately to the west.  Extensional drilling on Goose"]
[417,24,"Island confirmed the presence of a significant gold bearing horizon"]
[417,25,"located 1 km south of the Third Portage Lake showing.  Initial"]
[417,26,"prospecting and mapping in 1989-90 returned anomalous assays"]
[417,27,"ranging from 1 g/tonne to 16.7 g/tonne hosted in sulphidized iron"]
[417,28,"formation."]
[418,1,"Follow-up geophysics in 1989 and 1991 indicate a strong, consistent"]
[418,2,"magnetic anomaly with moderate conductivity.  In addition, the 1991"]
[418,3,"UTEM and magnetics survey reveal the presence of a steeply dipping"]
[418,4,"conductive zone flanking the western side of the magnetic trend,"]
[418,5,"slightly offshore from the Island.  Four holes were diamond drilled"]
[418,6,"on Goose Island in 1991 and best results were returned from a"]
[418,7,"section having 20 - 50% grey quartz with pyrite and pyrrhotite (482."]
[418,8,"4 g/t over 1 metre) (Hubacheck and Atkinson, 1993).  The 1996"]
[418,9,"Annual Report for Cumberland Resources indicates a reserve of 976,"]
[418,10,"834 tonnes grading 11.46 g/tonne gold.  The tonnage was calculated"]
[418,11,"over 37 drill holes on 50 metre line spacing with a 5 g/tonne cut-"]
[418,12,"off over a minimum of 2 metre core length."]
[419,1,"The Eclipse lead-zinc prospect is situated about 26 km northeast of"]
[419,2,"the Polaris Pb-Zn mine on Little Cornwallis Island. It is one of a"]
[419,3,"number of Mississippi Valley type Pb-Zn deposits occurring in the"]
[419,4,"Cornwallis Lead Zinc district. In this district, mineralization"]
[419,5,"typically occurs in a paleokarst surface developed at an Early"]
[419,6,"Devonian unconformity within Ordovician to Silurian limestones of"]
[419,7,"the Thumb Mountain Formation. The presence of colloform sphalerite"]
[419,8,"in Devonian conglomerate clasts supports a Devonian age for"]
[419,9,"mineralization.  The main lithologies at the Eclipse deposit are a"]
[419,10,"light grey to brown, sublithographic limestone with abundant shaly"]
[419,11,"partings, contributing to rapid mechanical breakdown, and a buff to"]
[419,12,"brown dolomite with common traces of disseminated marcasite.  At"]
[419,13,"least three separate mineralized zones are located along a 2.5 km,"]
[419,14,"northerly trending axis of deformation marked by alignment of"]
[419,15,"cherty rubble patches as well as coincident geochemical and IP"]
[419,16,"anomalies. The northernmost is the largest and consists of two"]
[419,17,"major zones known as the West and East Breccias. Sulphides in the"]
[419,18,"West Breccia occur mainly as massive open space fillings in a fault"]
[419,19,"breccia with a gangue of white, coarsely crystalline calcite and/or"]
[419,20,"dolomite. Sphalerite is the dominant ore mineral and is generally"]
[419,21,"colloform-textured with alternating lighter and darker bands."]
[419,22,"Galena is abundant locally as irregular crystalline blebs but is"]
[419,23,"erratically distributed. Both minerals are also found as"]
[419,24,"disseminations adjacent to massive sulphides, as weak replacements"]
[419,25,"of breccia fragments and as narrow, irregular fracture fillings."]
[419,26,"The East Breccia is similar but of somewhat lower grade. One area"]
[419,27,"within this zone contains more abundant galena, in places as"]
[419,28,"colloform aggregates or layers up to 1 m thick."]
[420,1,"An unusual, coarse grained calcite-dolomite rock described as"]
[420,2,"having white/greenish gray salt and pepper texture was noted in"]
[420,3,"many places in both zones. Disseminated crystals of sphalerite and"]
[420,4,"galena and colloform aggregates of sphalerite are distributed"]
[420,5,"throughout this rock type, which is not correlatable between holes."]
[420,6,"In contrast to the Polaris deposit, little marcasite or pyrite is"]
[420,7,"present.  Except for slight secondary dolomitization of some"]
[420,8,"breccia fragments, little or no alteration is present. Contacts"]
[420,9,"between mineralization and wall rock are sharp and well-defined."]
[420,10,"However, up to a third of the sphalerite to the drill-tested depth"]
[420,11,"has weathered to smithsonite.  The Centre and South showings occur"]
[420,12,"in narrow breccia zones paralleling the strike of the enclosing"]
[420,13,"dolomites. Angular fragments up to 8 cm in size are cemented with"]
[420,14,"white calcite and/or dolomite. Sphalerite and galena occur in the"]
[420,15,"matrix. Little additional information is available.  Work done on"]
[420,16,"the showing area from 1960-1972 included sampling, diamond drilling,"]
[420,17,"geological mapping, soil geochemistry, and a gravity survey.  Two"]
[420,18,"zones had resources calculated: The West Breccia zone: 1,000,000 t"]
[420,19,"at 12.43% Zn and 2.18% Pb to 50 feet and the East Breccia zone: 170,"]
[420,20,"000 t at 3.6% Zn, 0.5% Pb plus 265,000 t at 3.45% Zn and 2.19% Pb."]
[421,1,"The Nickel King deposit is associated with an Early Proterozoic"]
[421,2,"mafic to ultramafic sill on the order of 60 metres thick. The sill"]
[421,3,"intrudes feldspathic to quartzose paragneisses containing granitoid"]
[421,4,"and pegmatoid segregations. Similar segregations in the sill"]
[421,5,"suggest that it predates granulite facies regional metamorphism."]
[421,6,"Subsequent tectonism, probably coeval with metamorphism, has"]
[421,7,"deformed the sill into a tight to isoclinal fold, the axis of which"]
[421,8,"trends westerly and plunges westerly at about 14 degrees. The two"]
[421,9,"fold limbs dip to the south at 30 degrees and 50 degrees. Two"]
[421,10,"northerly trending, west-side-down faults offset the limbs of the"]
[421,11,"fold.  The sill is highly heterogeneous and includes norite, gabbro,"]
[421,12,"olivine gabbro and pyroxenite. It is altered in places to a"]
[421,13,"fibrous amphibole, probably actinolite or cummingtonite, along with"]
[421,14,"chlorite and biotite. Sulphides occur as irregularly distributed"]
[421,15,"disseminations to semi-massive segregations in the sill and are not"]
[421,16,"necessarily associated with alteration. Drill information suggests"]
[421,17,"that total sulphide content increases towards the nose of the fold."]
[421,18,"Sulphide minerals are mainly pyrrhotite and chalcopyrite."]
[421,19,"Pentlandite, often partly altered to a bravoite series mineral,"]
[421,20,"tends to occur as inclusions, bands and flame-like exsolutions in"]
[421,21,"pyrrhotite.  Cu and Ni grades tend to be higher in the lower limb."]
[421,22,"A reserve has been estimated (AR 082812) at 4.9 million tons"]
[421,23,"grading 0.72% Ni and 0.19% Cu. Up to several hundred ppm Co and 200"]
[421,24,"ppb Pd are present in selected samples. Pt values are rarely above"]
[421,25,"a detection limit of 20 ppb."]
[422,1,"The Dussault uranium prospect on the west shore of MacInnis Lake is"]
[422,2,"situated within Aphebian sediments in the Nonacho Basin, an"]
[422,3,"intermontane basin perched on Archean basement rocks of the Rae"]
[422,4,"Province. Mineralization consists of stratabound veins,"]
[422,5,"disseminations and aggregates of pitchblende that are restricted to"]
[422,6,"a 10 m thick unit or zone of interbedded arkose and siltstone/shale,"]
[422,7,"apparently within the Taltson Formation. Individual veins are up"]
[422,8,"to 5 mm thick but are generally much narrower. Chloritic alteration"]
[422,9,"is closely associated with pitchblende. Pyrite occurs in quartz and"]
[422,10,"calcite stringers with pitchblende and also as disseminated cubes"]
[422,11,"in the wall rocks. Other associated minerals include hematite,"]
[422,12,"chalcopyrite and galena. Secondary U minerals are developed at the"]
[422,13,"surface on high grade veins.  The main mineralized zone has been"]
[422,14,"traced for 150 m along strike, to 60 m at depth and is generally"]
[422,15,"between 0.5 and 2.0 m thick. Strike and dip are approximately 030"]
[422,16,"degrees and 50 degrees east respectively.  Mineralization rakes to"]
[422,17,"the NNE at about 40 degrees. Canadian Pipelines and Petroleum Ltd."]
[422,18,"drilled 50 holes totalling 5194 m in the zone in 1955 - 56 and"]
[422,19,"outlined 27,000 tonnes grading 0.17% U metal."]
[423,1,"The OConnor Lake quartz vein-hosted sulphide deposit occurs in a"]
[423,2,"medium to high grade metamorphic terrane within the Taltson"]
[423,3,"magmatic arc. Lithologies in the general area of mineralization"]
[423,4,"include metasediments, amphibolites, sillimanite-garnet gneiss and"]
[423,5,"quartz-biotite schist. Numerous other quartz veins, some of which"]
[423,6,"also contain base metal sulphides, are present in the area.  The"]
[423,7,"MWK #1 vein cuts an amphibolite band where it is exposed at surface,"]
[423,8,"trending northwesterly with a dip of 65 degrees to the southwest."]
[423,9,"Its width varies between 0.5 and 2 m and averages about 1.5 m. Its"]
[423,10,"contacts are relatively sharp although minor quartz veins and"]
[423,11,"stringers in the wall rocks, averaging 15 cm in thickness, parallel"]
[423,12,"the main vein. A thin seam of graphite occurs at the footwall"]
[423,13,"contact. Sphalerite and galena are disseminated throughout the"]
[423,14,"quartz together with lesser pyrite and pyrrhotite. Pyrite and"]
[423,15,"chalcopyrite are abundant locally. Larger masses of sphalerite and"]
[423,16,"galena tend to occur near the vein margins and most exploration"]
[423,17,"work has concentrated on several shoots of this material, which"]
[423,18,"tend to pitch at 50 degrees to the northwest in the plane of the"]
[423,19,"vein.  Drilling and underground drifting have traced the"]
[423,20,"mineralized zone over 200 m in strike and to a depth of about 80 m."]
[423,21,"A drill-indicated reserve of 67,950 tons grading 7.64% Zn, 3.12% Pb,"]
[423,22,"0.13% Cu and 0.29 oz/ton Ag has been established."]
[424,1,"The Salkeld Lake Cu-Ag occurrence is situated within the Nonacho"]
[424,2,"Basin, an Aphebian intermontane basin perched on high grade Archean"]
[424,3,"basement rocks of the Rae structural province. The Nonacho Group"]
[424,4,"sediments comprise a sequence of freshwater clastic sediments"]
[424,5,"including mainly arkose with lesser conglomerate, siltstone, shale"]
[424,6,"and sandstone. All Aphebian rocks have been metamorphosed to the"]
[424,7,"lower greenschist facies with development of phyllite and some"]
[424,8,"granitization near intrusions. The area is intensely faulted and"]
[424,9,"complexly folded, with many superimposed deformational events.  The"]
[424,10,"immediate vicinity of the Salkeld Lake occurrence is underlain by"]
[424,11,"banded biotitic granite gneiss which is cut by red granite to"]
[424,12,"syenite. The red granite is commonly fractured and contains locally"]
[424,13,"abundant milky white quartz veins constituting up to 50% of the"]
[424,14,"rock. Unconformably overlying the gneiss/granites, are the lower"]
[424,15,"three formations of the Nonacho Group comprising mainly"]
[424,16,"conglomerate, arkose and greywacke.  Two mineralized zones occur at"]
[424,17,"or near the contact between sediments and basement gneisses. The"]
[424,18,"Stockwork Zone comprises fine disseminations and fracture-fillings"]
[424,19,"of bornite and chalcopyrite near sheared zones in gneiss, arkose"]
[424,20,"and conglomerate. Sheared zones are typically up to a metre wide,"]
[424,21,"schistose and contain abundant malachite and azurite. Generally"]
[424,22,"weak but locally intense silicification, biotitization and"]
[424,23,"hematization are present as well as fracture-controlled fluorite."]
[424,24,"Anomalous elements include mainly Cu and Ag with lesser Zn, Pb, Mo,"]
[424,25,"Bi and Au."]
[425,1,"The Shear-Hosted Zone is a large zone of shearing, fracturing,"]
[425,2,"silicification and quartz veining marking the contact between red"]
[425,3,"granite and overlying sediments. It is exposed over more than 200"]
[425,4,"metres and is up to 40 metres wide locally. Disseminated"]
[425,5,"chalcopyrite and bornite occur near the margins of higher-grade"]
[425,6,"shears. Within the broad contact zone and sub-parallel to the"]
[425,7,"granite-sediment contact, is a 10-30 metre wide sub-zone of intense"]
[425,8,"quartz veining and silicification. Where this is intersected by"]
[425,9,"shears, there are quartz breccias up to 5 metres wide mineralized"]
[425,10,"with massive chalcocite and lesser amounts of bornite, sphalerite,"]
[425,11,"chalcopyrite, galena and tetrahedrite. Smaller quartz veins locally"]
[425,12,"containing clots of chalcopyrite together with fractures containing"]
[425,13,"sphalerite, galena and chalcopyrite are also present.  Two minimum"]
[425,14,"reserves based on earlier drilling were calculated by Fortune"]
[425,15,"Minerals. A 150 ft wide portion of the Stockwork Zone was drilled"]
[425,16,"on 50 ft centres and contains a reserve of 64,400 tons grading 0."]
[425,17,"63% Cu. A reserve of 59,000 tons grading 1.42% Cu and 1.74 oz/ton"]
[425,18,"Ag was calculated for a 550 ft strike length of the Shear-Hosted"]
[425,19,"zone to a depth of 100 ft."]
[426,1,"The BBX Cu-Ag-Ni-Co prospect occurs in Aphebian Great Slave"]
[426,2,"Supergroup rocks within the Great Slave Basin or Fold Belt. Copper"]
[426,3,"mineralization is associated with a 1870+/-15 Ma basaltic diatreme,"]
[426,4,"one of seven volcanic centres in the vicinity of Taltheilei Narrows"]
[426,5,"that intrude sediments of the Great Slave Supergroup. The diatreme"]
[426,6,"consists mainly of accidental fragments of mafic volcanics, and"]
[426,7,"lesser sedimentary and granitic rocks set in a matrix of finely"]
[426,8,"comminuted rock debris. Juvenile volcanic material is thought to"]
[426,9,"represent less than 25% of the diatreme by volume."]
[426,10,"Mineralization at the BBX prospect is thought to be the result"]
[426,11,"of several phases of activity. An early phase involved the"]
[426,12,"deposition of Fe-Co-Ni sulphides and sulpharsenides such as"]
[426,13,"gersdorffite, arsenopyrite and glaucodot. Later phases saw the"]
[426,14,"deposition of chalcopyrite, galena, barite and specularite. These"]
[426,15,"minerals occur as disseminations in the matrix of the diatreme, and"]
[426,16,"in fractures and veinlets cutting both matrix and fragments. A last"]
[426,17,"phase involved the development of quartz-carbonate veins."]
[426,18,"In general, the diatreme exhibits pervasive chloritic"]
[426,19,"and carbonate alteration, both probably related to deuteric"]
[426,20,"processes. Hematitic alteration took place at the time of"]
[426,21,"emplacement. Potassic alteration involving the development of K-"]
[426,22,"feldspar and sericite is intimately associated with metallic"]
[426,23,"mineralization.  Work commenced on the BBX showing in 1948 when it"]
[426,24,"was staked, trenched and diamond drilled. It was again drilled in"]
[426,25,"1956. From 1971-1974 the area was subjected to geological mapping,"]
[426,26,"geochemical sampling, IP and magnetic geophysical surveys and"]
[426,27,"diamond drilling. A resource was calculated at 5,000 t at 6.13%"]
[426,28,"copper and 2.6 oz/t silver."]
[427,1,"The Sachowia Lake Ni-Co-Bi deposit area is underlain by Archean"]
[427,2,"Yellowknife Supergroup rocks, including mafic flows and fragmentals"]
[427,3,"together with metasediments. A large granitic intrusion is present"]
[427,4,"to the north; various small granite pegmatite and aplite dykes"]
[427,5,"within the layered rocks are probably related to it. Ferruginous"]
[427,6,"sediments and lava flows of the Kahochella Formation (Great Slave"]
[427,7,"Supergroup) overlie Archean basement approximately 1 km south of"]
[427,8,"the occurrences.  Niccolite, skutterudite, gersdorffite,"]
[427,9,"rammelsbergite, arsenopyrite, pyrite and chalcopyrite occur in"]
[427,10,"structurally controlled quartz-carbonate veins and vein breccias."]
[427,11,"The latter are generally less than 1 m in width but locally swell"]
[427,12,"to 3 m. Metallic mineral content varies considerably within the"]
[427,13,"veins, with one 1958 drill hole intersecting approximately 1 m of"]
[427,14,"massive niccolite."]
[428,1,"Regional: The Susu Lake Cu showing is situated within the Indian"]
[428,2,"Mountain greenstone belt which comprises mainly Archean Yellowknife"]
[428,3,"Supergroup supracrustal rocks. The belt is as much as 15 miles wide"]
[428,4,"and extends 40 miles north from Great Slave Lake.  The belt is"]
[428,5,"bounded on the east and west by granitic and migmatitic rocks but"]
[428,6,"has a core of relatively low grade metamorphic rocks(Heywood and"]
[428,7,"Davidson 1969).  The belt is seen to lie on deformed granitoid"]
[428,8,"rocks in some places and in others to be intruded by granitic"]
[428,9,"plutons of closely related age.  Property: The property in which"]
[428,10,"this showing occurs, lies approximately 8 miles west of Susu Lake."]
[428,11,"It comprises a volcanic belt that is part of the larger Indian"]
[428,12,"Mountain greenstone belt.  The volcanic belt is dominated by"]
[428,13,"rhyolites with quartz-biotite-cordierite schists.  Deformation in"]
[428,14,"the area includes shearing and brecciation.  Intrusions of quartz"]
[428,15,"veins are also noted.  Showing: The Susu Lake Cu showing occurs in"]
[428,16,"a brecciated shear zone that hosts disseminated chalcopyrite and"]
[428,17,"bornite.  Mineralization is largely hosted by rhyolites, but also"]
[428,18,"occurs in neighboring quartz-biotite-cordierite schists.  Reserves"]
[428,19,"were calculated at 142,500 tons grading 0.95% Cu in 1967 from 9"]
[428,20,"diamond drill holes that were drilled by Indian Mountain Metal"]
[428,21,"Mines.  No other work on the showing has been recorded to date"]
[428,22,"although in Canadian Mineral Deposits Not Being Mined in 1989, it"]
[428,23,"was mentioned the property had been sold to Ego Resources."]
[428,24,null]
[429,1,"The BB prospect is one of three related volcanogenic massive"]
[429,2,"sulphide occurrences situated in the Indian Mountain greenstone"]
[429,3,"belt in the southern Slave structural province. All stratified"]
[429,4,"rocks have been mapped as belonging to the Archean Yellowknife"]
[429,5,"Supergroup. The base of the stratigraphic sequence in the vicinity"]
[429,6,"of the deposits comprises a series of mafic tuffs with minor,"]
[429,7,"massive and pillowed mafic flows. The bottom of this unit is"]
[429,8,"migmatized. Overlying this mafic base are intermediate tuffs and"]
[429,9,"flows and then a felsic unit including massive rhyolite,"]
[429,10,"intermediate to felsic coarse pyroclastics, tuff, lapilli tuff and"]
[429,11,"tuff breccia. Sulphide deposits are hosted by a 1 - 10 metre thick"]
[429,12,"unit of carbonate-rich exhalite and pyritic cherty tuff, overlying"]
[429,13,"or near the top of the felsic unit. The stratigraphic succession is"]
[429,14,"completed by greywackes and argillites. All stratified rocks have"]
[429,15,"been metamorphosed to middle amphibolite facies."]
[429,16,"The BB massive sulphide deposit consists of a series of closely"]
[429,17,"spaced lenses interbedded with and grading into"]
[430,1,"Reserves were calculated for the BB showing and several values were"]
[430,2,"reported, increasing in tonnage as the number of drill holes"]
[430,3,"increased.  By the end of 1952, over 23,000 feet total drilling on"]
[430,4,"the property had been completed and reserves were calculated at 924,"]
[430,5,"000 tons grading 10.3% Zn, 0.85% Pb and 3.45 oz/ton Ag.    The BB"]
[430,6,"Lake Copper zone is situated within a discordant alteration pipe/"]
[430,7,"stringer zone underlying the BB and Kennedy Lake stratiform"]
[430,8,"mineralization. Chalcopyrite and pyrrhotite occur as stringers,"]
[430,9,"layers and seams in two bands 8 - 13 metres wide and up to 200"]
[430,10,"metres long. Sulphides in the higher grade portions of these bands"]
[430,11,"are accompanied by a black, unidentified amphibole. The alteration"]
[430,12,"pipe within which this stringer mineralization is located is zoned."]
[430,13,"An inner, intensely altered zone consists of garnet, anthophyllite,"]
[430,14,"cummingtonite, cordierite, sericite and sillimanite in a less"]
[430,15,"intensely altered envelope which is characterized more by biotite,"]
[430,16,"quartz and chlorite."]
[431,1,"Work on the BB showing began in 1948 when the property of which the"]
[431,2,"showing lies was discovered for McAvoy and was optioned off to"]
[431,3,"Hollinger Gold Mines.  Diamond drilling was started on the property"]
[431,4,"the following year.  Over 15,825 feet of core was drilled and"]
[431,5,"reserves were calculated at 270,000 tons of ore averaging 15.68% Zn,"]
[431,6,"1.67% Pb and 5.21 oz./ton Ag to a depth of 400 feet.  In 1951,"]
[431,7,"under the ownership of Indian Mountain Metal Mines Ltd., reserves"]
[431,8,"were re-calculated after drilling to the 800 foot horizon."]
[431,9,"Information of the drilling program done in 1951, gave good enough"]
[431,10,"results for another 25,000 feet of drilling to be proposed for the"]
[431,11,"following year.  By the end of 1952, the BB zone had been drilled"]
[431,12,"to the extent of 23,000 feet and the amount of reserves for the"]
[431,13,"zone increased to 924,000 tons.  Plans were under consideration for"]
[431,14,"underground development and mill construction for 1953, but were"]
[431,15,"not implemented.  In 1965, extensive electromagnetic and"]
[431,16,"magnetometer surveys were done by Indian Mountain Metals Mines Ltd."]
[431,17,"to re-examine the entire volcanic belt.  In 1966, drilling was done"]
[431,18,"on anomalies that were outlined the year before in the Kennedy Lake"]
[431,19,"area.  After 1966, no work on the BB zone has been reported.  The"]
[431,20,"property went to lease in 1974 and in 1979 the property was"]
[431,21,"optioned to Ego Resources.                         The Kennedy Lake"]
[431,22,"Zone which lies under Kennedy Lake is described in AR 061728 as the"]
[431,23,"western extension of the BB zone although it is separated from the"]
[431,24,"latter by a barren zone.  The zone is not exposed at the surface"]
[431,25,"although drilling outlined it to be 120 feet long with a maximum"]
[431,26,"width of 21 feet.  The ore is similar in all respects to that of"]
[431,27,"the BB zone.  Reserves for the Kennedy Lake zone were calculated at"]
[431,28,"43,000 tons grading 7.3% Zn, 1.1% Pb and 4.0 oz./ton Ag."]
[432,1,"The Kennedy Lake West prospect is one of three related volcanogenic"]
[432,2,"massive sulphide occurrences situated in the Indian Mountain"]
[432,3,"greenstone belt in the southern Slave structural province. All"]
[432,4,"stratified rocks have been mapped as belonging to the Archean"]
[432,5,"Yellowknife Supergroup. The base of the stratigraphic sequence in"]
[432,6,"the vicinity of the deposits comprises a series of mafic tuffs with"]
[432,7,"minor, massive and pillowed mafic flows. The bottom of this unit is"]
[432,8,"migmatized. Overlying this mafic base are intermediate tuffs and"]
[432,9,"flows and then a felsic unit including massive rhyolite,"]
[432,10,"intermediate to felsic coarse pyroclastics, tuff, lapilli tuff and"]
[432,11,"tuff breccia.  The stratigraphic succession is completed by"]
[432,12,"greywackes and argillites. All stratified rocks have been"]
[432,13,"metamorphosed to middle amphibolite facies.  Mineralization of the"]
[432,14,"Kennedy Lake West prospect occurs as chalcopyrite with minor"]
[432,15,"amounts of silver and sphalerite.  The chalcopyrite is associated"]
[432,16,"with amphibole and garnet rich bands of the volcanics and is"]
[432,17,"disseminated in nature.  The mineralization can be traced"]
[432,18,"discontinuously over 2,000 feet between BB Lake and Kennedy Lake."]
[432,19,"Pyrrhotite and pyrite are associated with the chalcopyrite in the"]
[432,20,"low grade sections at approximately a 1:1 ratio."]
[433,1,"The Kennedy Lake West prospect is located on the VOO claims which"]
[433,2,"were first staked by James McAvoy in 1951.  In 1952, 6 diamond"]
[433,3,"drill holes were drilled on the VOO claims totalling 2,987 feet."]
[433,4,"In 1959, trenching was carried out and 757 feet were drilled in 10"]
[433,5,"holes.  In 1965, Indian Mountain Metal Mines Ltd. located an"]
[433,6,"anomaly under Kennedy Lake which they drilled into in 1966.   The"]
[433,7,"drilling intersected a zone of low grade disseminated chalcopyrite"]
[433,8,"up to 120 feet wide.  This Kennedy Lake West copper zone has been"]
[433,9,"estimated to contain 1,000,000 tons grading 0.90% Cu over a length"]
[433,10,"of 835 feet.    In 1966, Indian Mountain Metal Mines Ltd. optioned"]
[433,11,"the VOO claims and drilled 9 holes and intersected the westward"]
[433,12,"extension of the copper zone.  The claims subsequently lapsed and"]
[433,13,"the ground was restaked by K. J. McDonald in May 1972 and later"]
[433,14,"that month transferred to Indian Mountain Metal Mines Ltd."]
[433,15,"Exploration work included geological mapping and a ground EM survey."]
[433,16,"Channel samples averaged 0.5% Cu and 0.94 oz./ton Ag over a width"]
[433,17,"of 25 feet.    In 1974, a tonnage figure for the Kennedy Lake West"]
[433,18,"zone was reported as 1,500,000 tons grading 0.62% Cu, including a"]
[433,19,"higher grade core of 612,000 tons grading 1.12% Cu.  In 1979,"]
[433,20,"Indian Mountain Metal Mines Ltd. amalgamated to form Initiative"]
[433,21,"Explorations Inc.  The property was then optioned off to Domego"]
[433,22,"Resources Ltd. in the early 1980 s, who still held the claims in"]
[433,23,"summer 1998."]
[434,1,"The area is underlain by Archean greywacke, mica schists, and"]
[434,2,"quartzite of the Yellowknife group intruded by Archean age granitic"]
[434,3,"rocks.  Proterozoic diabase and gabbro dykes intrude the earlier"]
[434,4,"Archean metasedimentary and granitic rocks.  Within the main claim"]
[434,5,"block area kimberlite pipes are the only Phanerozoic age rocks"]
[434,6,"known.  Minor amounts of metasedimentary rocks occur within the"]
[434,7,"claim area and mostly comprise thinly bedded metagreywacke outcrops"]
[434,8,"with small rafts of migmatite.  At least 5 types of granitoid"]
[434,9,"intrusive rocks occur.  A large, homogeneous pluton of equigranular,"]
[434,10,"medium grained quartz diorite occurs in the south-central portion"]
[434,11,"of the main claim block and comprises plagioclase, biotite,"]
[434,12,"hornblende, quartz and epidote.  The pluton is weakly deformed with"]
[434,13,"poor foliation development.  Hornblende plus biotite tonalite and"]
[434,14,"biotite tonalite are obseved to intrude the metagreywackes and have"]
[434,15,"weak to strong foliations.  The two most voluminous granitoid rocks"]
[434,16,"present in the main claims block area include a distinctive two"]
[434,17,"mica granite and porphyritic biotite granite.  The two mica granite"]
[434,18,"typically comprises equal proportions of quartz, plagioclase and"]
[434,19,"potassium feldspar with 5 - 10% muscovite and biotite.  Apatite and"]
[434,20,"tourmaline are common.  These granites are fine to medium grained"]
[434,21,"and generally equigranular.  A tourmaline bearing pegmatitic phase"]
[434,22,"forms dykes and small stocks up to 250 m in diameter.  The two mica"]
[434,23,"granite intrudes greywacke and both tonalite units."]
[435,1,"Diabase dykes are common in the main claims block area and post"]
[435,2,"date the granitoid rocks.  Diabase dyke swarms present within the"]
[435,3,"claim area include the McKay dyke, Contwoyto dyke swarm, Lac de"]
[435,4,"Gras dykes, Mackenzie dyke swarm and 305 dykes.  At least 26"]
[435,5,"kimberlites have been discovered within the main claims area and"]
[435,6,"post-date the granitoid rocks and diabase dykes.  The kimberlite"]
[435,7,"pipes have undergone minimal erosion as evidenced by preservation"]
[435,8,"of crater eqiclastic sediments.  The kimberlites are typically"]
[435,9,"several hundred metres in diameter, occur within glacially formed"]
[435,10,"lakes and are overlain by 5 to 30 m of sand and gravel.  Varieties"]
[435,11,"of kimberlite distinguished in drill core inlcude epiclastic,"]
[435,12,"tuffisitic and tuffisitic kimberlite breccia phases and massive"]
[435,13,"hypabyssal kimberlite.  Glacial deposits are varied and include"]
[435,14,"trunk and tributary esker ridges, drumlin-like boulder clay hills"]
[435,15,"and till sheet(s).  Glacial erosion has rounded, grooved and"]
[435,16,"polished the bedrock.  Till is the most common surficial sediment"]
[435,17,"identified in the Lac de Gras area.  A single till sheet attributed"]
[435,18,"to Late Wisconsinan Laurentide Ice represents several different"]
[435,19,"directions of transport, including east to west, southeast to"]
[435,20,"northwest and northeast to southwest.  Glaciofluvial deposits are"]
[435,21,"also geographically widespread on the main claim block and are"]
[435,22,"dominantly in the form of eskers and related kames.  The eskers"]
[435,23,"range from small sinuous ridges to large more linear features up to"]
[435,24,"45 m high, forming the major topographic relief in the area."]
[436,1,"The predominant rock type in the Fox area is a medium-grained"]
[436,2,"biotite granite.  The rock is mostly unaltered but weak to moderate"]
[436,3,"potassic alteration occurs at the east end of the ravine near the"]
[436,4,"Fox portal and also along the swamp subparallel to the ravine.  Two"]
[436,5,"diabase dykes cross the Fox Lake and were identified by an airborne"]
[436,6,"magnetometer survey and in the decline and confirmed by small"]
[436,7,"patches of outcrop located to the northeast and south of the lake."]
[436,8,"Glacial sediments on the bottom of Fox Lake range from 15 to 25"]
[436,9,"metres thick and consist of silt and sand-sized particles of quartz,"]
[436,10,"feldspar, biotite, epidote, amphibole and traces of kimberlite"]
[436,11,"indicator minerals.  Gravel-sized rock fragments included various"]
[436,12,"granitoid rocks.  Geophysical surveys and geochemical sampling was"]
[436,13,"done over the Fox pipe.  In May, 1994 a decline-ramp/underground"]
[436,14,"mining program was initiated to bulk sample the Fox kimberlite pipe."]
[436,15,"When the underground bulk sampling program of the Fox pipe had"]
[436,16,"been completed, 6,915 tonnes of kimberlite had been extracted.  The"]
[436,17,"sample yielded 11,960 diamonds weighing 1,766 carats, for and"]
[436,18,"overall grade of 0.26 carats per dry metric tonne.  The evalusation"]
[436,19,"of the diamond parce returned an average of US $126.  Underground"]
[436,20,"raises driven near the pipe periphery to a vertical height of 32"]
[436,21,"meters and near the pipe center to a height of 32 meters resulted"]
[436,22,"in higher grade samples of 0.34 and 0.38 carats per dry metric"]
[436,23,"tonne, respectively."]
[437,1,"The Ekati project is held 51% by BHP Diamonds, 29% by Dia Met"]
[437,2,"Minerals and the remaining 20% is split between Charles Fipke, the"]
[437,3,"geologist who found diamonds in the NWT and Stewart Blusson,"]
[437,4,"prospector and partner of Fipke. The mine plan for Ekati involves"]
[437,5,"the development of the Panda, Misery, Koala, Sable and Fox pipes."]
[437,6,"The Fox pipe will be subjected to open-pit mining from years 11 to"]
[437,7,"17.  Minable reserves are estimated at 16.7 million tonnes grading"]
[437,8,"0.4 carat at a value of US$125 per carat.  Fox Lake will be"]
[437,9,"dewatered during the summer before preporduction commences in this"]
[437,10,"pit, expected to be 2002, the sixth year of project development."]
[437,11,"At a pumpling rate of approximately 1,600 cubic metres per hour it"]
[437,12,"will take four months to pump out the 4.3 million cubic metres of"]
[437,13,"water contained in the lake.  The turbid water and slimes"]
[437,14,"encountered as the water level falls will be pumped to a natural"]
[437,15,"containment area diked off with rock fill in the southern portion"]
[437,16,"of the old Fox Lake bottom.  Excess water behind this impoundment"]
[437,17,"will be discharged after solids settling or treatment brings the"]
[437,18,"water quality below the discharge limits."]
[438,1,"The area is underlain by Archean greywacke, mica schists, and"]
[438,2,"quartzite of the Yellowknife group intruded by Archean age granitic"]
[438,3,"rocks.  Proterozoic diabase and gabbro dykes intrude the earlier"]
[438,4,"Archean metasedimentary and granitic rocks.  Within the main claim"]
[438,5,"block area kimberlite pipes are the only Phanerozoic age rocks"]
[438,6,"known.  Minor amounts of metasedimentary rocks occur within the"]
[438,7,"claim area and mostly comprise thinly bedded metagreywacke outcrops"]
[438,8,"with small rafts of migmatite.  At least 5 types of granitoid"]
[438,9,"intrusive rocks occur.  A large, homogeneous pluton of equigranular,"]
[438,10,"medium grained quartz diorite occurs in the south-central portion"]
[438,11,"of the main claim block and comprises plagioclase, biotite,"]
[438,12,"hornblende, quartz and epidote.  The pluton is weakly deformed with"]
[438,13,"poor foliation development.  Hornblende plus biotite tonalite and"]
[438,14,"biotite tonalite are obseved to intrude the metagreywackes and have"]
[438,15,"weak to strong foliations.  The two most voluminous granitoid rocks"]
[438,16,"present in the main claims block area include a distinctive two"]
[438,17,"mica granite and porphyritic biotite granite.  The two mica granite"]
[438,18,"typically comprises equal proportions of quartz, plagioclase and"]
[438,19,"potassium feldspar with 5 - 10% muscovite and biotite.  Apatite and"]
[438,20,"tourmaline are common.  These granites are fine to medium grained"]
[438,21,"and generally equigranular.  A tourmaline bearing pegmatitic phase"]
[438,22,"forms dykes and small stocks up to 250 m in diameter.  The two mica"]
[438,23,"granite intrudes greywacke and both tonalite units."]
[439,1,"Diabase dykes are common in the main claims block area and post"]
[439,2,"date the granitoid rocks.  Diabase dyke swarms present within the"]
[439,3,"claim area include the McKay dyke, Contwoyto dyke swarm, Lac de"]
[439,4,"Gras dykes, Mackenzie dyke swarm and 305 dykes.  At least 26"]
[439,5,"kimberlites have been discovered within the main claims area and"]
[439,6,"post-date the granitoid rocks and diabase dykes.  The kimberlite"]
[439,7,"pipes have undergone minimal erosion as evidenced by preservation"]
[439,8,"of crater eqiclastic sediments.  The kimberlites are typically"]
[439,9,"several hundred metres in diameter, occur within glacially formed"]
[439,10,"lakes and are overlain by 5 to 30 m of sand and gravel.  Varieties"]
[439,11,"of kimberlite distinguished in drill core inlcude epiclastic,"]
[439,12,"tuffisitic and tuffisitic kimberlite breccia phases and massive"]
[439,13,"hypabyssal kimberlite.  Glacial deposits are varied and include"]
[439,14,"trunk and tributary esker ridges, drumlin-like boulder clay hills"]
[439,15,"and till sheet(s).  Glacial erosion has rounded, grooved and"]
[439,16,"polished the bedrock.  Till is the most common surficial sediment"]
[439,17,"identified in the Lac de Gras area.  A single till sheet attributed"]
[439,18,"to Late Wisconsinan Laurentide Ice represents several different"]
[439,19,"directions of transport, including east to west, southeast to"]
[439,20,"northwest and northeast to southwest.  Glaciofluvial deposits are"]
[439,21,"also geographically widespread on the main claim block and are"]
[439,22,"dominantly in the form of eskers and related kames.  The eskers"]
[439,23,"range from small sinuous ridges to large more linear features up to"]
[439,24,"45 m high, forming the major topographic relief in the area."]
[440,1,"The predominant host rock type for the Koala pipe is a white to"]
[440,2,"grey, medium to coarse-grained, weakly foliated to massive biotite"]
[440,3,"granite.  The granite locally contains rounded biotite-rich mafic"]
[440,4,"xenoliths.  A variety of other rock types exist including"]
[440,5,"granodiorite, granite gneiss and small patches of diorite.  The"]
[440,6,"granite gneiss, observed about 80 m SE of the lake, contains traces"]
[440,7,"to 1% almandine garnets that are 1 to 2 mm in size and form"]
[440,8,"circular pods up to 3.5 cm diameter.  Also within the gneiss are"]
[440,9,"rare occurrences of tabular tourmaline crystals up to about 2 cm in"]
[440,10,"length.  The diorite, scattered throughout the area to the east jof"]
[440,11,"Koala Lake, contains traces of almandine garnet and traces of"]
[440,12,"disseminated sulphides.  The bottom of Koala Lake and the Koala"]
[440,13,"kimberlite pipe are covered by unconsolidated sediments of glacial"]
[440,14,"origin.  This overburden is characterized by a complex"]
[440,15,"interfingering of sediments lenses ranging from mud to gravel."]
[440,16,"Generally the uppermost part of the overburden sequence comprises"]
[440,17,"well sorted silt and mud.  Elsewhere sand and gravel dominate.  In"]
[440,18,"most cases, fine clay and silt have been washed and weathered out"]
[440,19,"of these coarse grained sediments.  Boulders and cobbles are"]
[440,20,"sporadic throughout the sequence."]
[441,1,"The Ekati project is held 51% by BHP Diamonds, 29% by Dia Met"]
[441,2,"Minerals and the remaining 20% is split between Charles Fipke, the"]
[441,3,"geologist who found diamonds in the NWT and Stewart Blusson,"]
[441,4,"prospector and partner of Fipke. The mine plan for Ekati involves"]
[441,5,"the development of the Panda, Misery, Koala, Sable and Fox pipes."]
[441,6,"It is expected that the Koala pipe will be mined by open pit"]
[441,7,"methods from years 5 to 11 and by underground methods from years 11"]
[441,8,"to 15.  Minable pit reserves are estimated at 14.6 million tonnes"]
[441,9,"grading 0.76 carat, underground reserves at 2.8 million tonnes"]
[441,10,"grading 1.63 carat.  The diamonds are valued at US$122 per carat."]
[442,1,"The area is underlain by Archean greywacke, mica schists, and"]
[442,2,"quartzite of the Yellowknife group intruded by Archean age granitic"]
[442,3,"rocks.  Proterozoic diabase and gabbro dykes intrude the earlier"]
[442,4,"Archean metasedimentary and granitic rocks.  Within the main claim"]
[442,5,"block area kimberlite pipes are the only Phanerozoic age rocks"]
[442,6,"known.  Minor amounts of metasedimentary rocks occur within the"]
[442,7,"claim area and mostly comprise thinly bedded metagreywacke outcrops"]
[442,8,"with small rafts of migmatite.  At least 5 types of granitoid"]
[442,9,"intrusive rocks occur.  A large, homogeneous pluton of equigranular,"]
[442,10,"medium grained quartz diorite occurs in the south-central portion"]
[442,11,"of the main claim block and comprises plagioclase, biotite,"]
[442,12,"hornblende, quartz and epidote.  The pluton is weakly deformed with"]
[442,13,"poor foliation development.  Hornblende plus biotite tonalite and"]
[442,14,"biotite tonalite are obseved to intrude the metagreywackes and have"]
[442,15,"weak to strong foliations.  The two most voluminous granitoid rocks"]
[442,16,"present in the main claims block area include a distinctive two"]
[442,17,"mica granite and porphyritic biotite granite.  The two mica granite"]
[442,18,"typically comprises equal proportions of quartz, plagioclase and"]
[442,19,"potassium feldspar with 5 - 10% muscovite and biotite.  Apatite and"]
[442,20,"tourmaline are common.  These granites are fine to medium grained"]
[442,21,"and generally equigranular.  A tourmaline bearing pegmatitic phase"]
[442,22,"forms dykes and small stocks up to 250 m in diameter.  The two mica"]
[442,23,"granite intrudes greywacke and both tonalite units."]
[443,1,"Diabase dykes are common in the main claims block area and post"]
[443,2,"date the granitoid rocks.  Diabase dyke swarms present within the"]
[443,3,"claim area include the McKay dyke, Contwoyto dyke swarm, Lac de"]
[443,4,"Gras dykes, Mackenzie dyke swarm and 305 dykes.  At least 26"]
[443,5,"kimberlites have been discovered within the main claims area and"]
[443,6,"post-date the granitoid rocks and diabase dykes.  The kimberlite"]
[443,7,"pipes have undergone minimal erosion as evidenced by preservation"]
[443,8,"of crater eqiclastic sediments.  The kimberlites are typically"]
[443,9,"several hundred metres in diameter, occur within glacially formed"]
[443,10,"lakes and are overlain by 5 to 30 m of sand and gravel.  Varieties"]
[443,11,"of kimberlite distinguished in drill core inlcude epiclastic,"]
[443,12,"tuffisitic and tuffisitic kimberlite breccia phases and massive"]
[443,13,"hypabyssal kimberlite.  Glacial deposits are varied and include"]
[443,14,"trunk and tributary esker ridges, drumlin-like boulder clay hills"]
[443,15,"and till sheet(s).  Glacial erosion has rounded, grooved and"]
[443,16,"polished the bedrock.  Till is the most common surficial sediment"]
[443,17,"identified in the Lac de Gras area.  A single till sheet attributed"]
[443,18,"to Late Wisconsinan Laurentide Ice represents several different"]
[443,19,"directions of transport, including east to west, southeast to"]
[443,20,"northwest and northeast to southwest.  Glaciofluvial deposits are"]
[443,21,"also geographically widespread on the main claim block and are"]
[443,22,"dominantly in the form of eskers and related kames.  The eskers"]
[443,23,"range from small sinuous ridges to large more linear features up to"]
[443,24,"45 m high, forming the major topographic relief in the area."]
[444,1,"The area is underlain by Archean greywacke, mica schists, and"]
[444,2,"quartzite of the Yellowknife group intruded by Archean age granitic"]
[444,3,"rocks.  Proterozoic diabase and gabbro dykes intrude the earlier"]
[444,4,"Archean metasedimentary and granitic rocks.  Within the main claim"]
[444,5,"block area kimberlite pipes are the only Phanerozoic age rocks"]
[444,6,"known.  Minor amounts of metasedimentary rocks occur within the"]
[444,7,"claim area and mostly comprise thinly bedded metagreywacke outcrops"]
[444,8,"with small rafts of migmatite.  At least 5 types of granitoid"]
[444,9,"intrusive rocks occur.  A large, homogeneous pluton of equigranular,"]
[444,10,"medium grained quartz diorite occurs in the south-central portion"]
[444,11,"of the main claim block and comprises plagioclase, biotite,"]
[444,12,"hornblende, quartz and epidote.  The pluton is weakly deformed with"]
[444,13,"poor foliation development.  Hornblende plus biotite tonalite and"]
[444,14,"biotite tonalite are obseved to intrude the metagreywackes and have"]
[444,15,"weak to strong foliations.  The two most voluminous granitoid rocks"]
[444,16,"present in the main claims block area include a distinctive two"]
[444,17,"mica granite and porphyritic biotite granite.  The two mica granite"]
[444,18,"typically comprises equal proportions of quartz, plagioclase and"]
[444,19,"potassium feldspar with 5 - 10% muscovite and biotite.  Apatite and"]
[444,20,"tourmaline are common.  These granites are fine to medium grained"]
[444,21,"and generally equigranular.  A tourmaline bearing pegmatitic phase"]
[444,22,"forms dykes and small stocks up to 250 m in diameter.  The two mica"]
[444,23,"granite intrudes greywacke and both tonalite units."]
[445,1,"Diabase dykes are common in the main claims block area and post"]
[445,2,"date the granitoid rocks.  Diabase dyke swarms present within the"]
[445,3,"claim area include the McKay dyke, Contwoyto dyke swarm, Lac de"]
[445,4,"Gras dykes, Mackenzie dyke swarm and 305 dykes.  At least 26"]
[445,5,"kimberlites have been discovered within the main claims area and"]
[445,6,"post-date the granitoid rocks and diabase dykes.  The kimberlite"]
[445,7,"pipes have undergone minimal erosion as evidenced by preservation"]
[445,8,"of crater eqiclastic sediments.  The kimberlites are typically"]
[445,9,"several hundred metres in diameter, occur within glacially formed"]
[445,10,"lakes and are overlain by 5 to 30 m of sand and gravel.  Varieties"]
[445,11,"of kimberlite distinguished in drill core inlcude epiclastic,"]
[445,12,"tuffisitic and tuffisitic kimberlite breccia phases and massive"]
[445,13,"hypabyssal kimberlite.  Glacial deposits are varied and include"]
[445,14,"trunk and tributary esker ridges, drumlin-like boulder clay hills"]
[445,15,"and till sheet(s).  Glacial erosion has rounded, grooved and"]
[445,16,"polished the bedrock.  Till is the most common surficial sediment"]
[445,17,"identified in the Lac de Gras area.  A single till sheet attributed"]
[445,18,"to Late Wisconsinan Laurentide Ice represents several different"]
[445,19,"directions of transport, including east to west, southeast to"]
[445,20,"northwest and northeast to southwest.  Glaciofluvial deposits are"]
[445,21,"also geographically widespread on the main claim block and are"]
[445,22,"dominantly in the form of eskers and related kames.  The eskers"]
[445,23,"range from small sinuous ridges to large more linear features up to"]
[445,24,"45 m high, forming the major topographic relief in the area."]
[446,1,"The Deb volcanogenic massive sulphide deposit is located in the"]
[446,2,"Courageous - Mackay Lake greenstone belt in the Slave structural"]
[446,3,"province.  The belt runs north-south, dips steeply to the east and"]
[446,4,"is composed of Yellowknife Supergroup volcanics.  In the east they"]
[446,5,"are overlain by Yellowknife Supergroup sediments and in the west"]
[446,6,"are assimilated from below by granites.  The Deb deposit is"]
[446,7,"contained within a series of volcanics of varying composition but"]
[446,8,"seems most closely related to felsic pyroclastics.  Around the"]
[446,9,"showing sub-volcanic gabbroic intrusions have disrupted the"]
[446,10,"volcanics.  Massive sulphides are situated within the lower felsic"]
[446,11,"unit and include massive pyrrhotite, pyrite and sphalerite"]
[446,12,"underlain by stringers of chalcopyrite and pyrrhotite. The latter"]
[446,13,"are accompanied by strong chloritization, biotitization,"]
[446,14,"sericitization and garnets in a small but well-developed alteration"]
[446,15,"pipe/stringer zone underlying the stratiform mineralization.  The"]
[446,16,"mineralized horizon is relatively undeformed and has been traced by"]
[446,17,"drilling over an 800 metre strike length, to a depth of 230 metres"]
[446,18,"and has an average width of 3.8 metres.  Mineral zonation is"]
[446,19,"recognizable in both a vertical and lateral sense with respect to"]
[446,20,"stratigraphy.  Zinc is prominent at the stratigraphic top of the"]
[446,21,"zone gradually giving way to a copper rich section.  Galena is"]
[446,22,"generally more abundant within the zinc rich portions."]
[447,1,"Drilling in 1979 (assessment report 081299) was successful in"]
[447,2,"delineating the zone of copper-zinc mineralization.  There were 3"]
[447,3,"holes drilled in 1980.  One hole tested the gravity anomaly below"]
[447,4,"the deposit and found it was due to a large gabbro body.  The 2"]
[447,5,"other holes were drilled to test the deposit at depth.  Core"]
[447,6,"samples were assayed for gold, silver, copper, lead and zinc."]
[447,7,"Results from assaying returned values to 7.21% zinc, 2.76% copper,"]
[447,8,"2.36 oz/T silver and 1.04% lead.  The 1986-87 Mineral Industry"]
[447,9,"Report for the Northwest Territories reports that drill testing of"]
[447,10,"the Deb deposit indicated 1,015,000 t containing 0.83% copper, 2."]
[447,11,"96% zinc and 21.9 ppm silver.  The Canadian Mineral Deposits Not"]
[447,12,"Being Mined in 1989 reports 1,118,000 tons at 0.83% copper, 2.96%"]
[447,13,"zinc and 0.64 oz/T silver."]
[448,1,"The Perrson Vein, BS or TK prospect, is located in the Courageous-"]
[448,2,"Mackay Lake greenstone belt in the Slave structural province. It is"]
[448,3,"hosted by a volcanosedimentary sequence belonging to the Archean"]
[448,4,"Yellowknife Supergroup. The general area of the deposit is"]
[448,5,"underlain by a stratigraphic sequence including, from oldest to"]
[448,6,"youngest: mafic flows with minor tuff, mafic tuffs, a mixed unit of"]
[448,7,"thinly-bedded and alternating mafic and felsic tuffs, felsic tuff"]
[448,8,"and then clastic sediments. Metamorphic grade at the prospect is"]
[448,9,"greenschist facies.  Two auriferous zones, the Perrson and East"]
[448,10,"Perrson zones, occur as seperate stratabound horizons in the felsic"]
[448,11,"tuff unit immediately below its contact with the overlying"]
[448,12,"sediments. Mineralization consists of 1 - 3% finely disseminated"]
[448,13,"pyrite and finely acicular needles of arsenopyrite in a very fine"]
[448,14,"grained, sericitic felsic tuff with intercalated cherty layers and/"]
[448,15,"or narrow quartz veins. The Persson horizons vary in width from a"]
[448,16,"few centimetres to 3 m. Quartz veins and/or cherty layers are"]
[448,17,"generally conformable to foliation but locally exhibit tight"]
[448,18,"folding or ptygmatic character.  A third zone, the Saucer Lake Zone,"]
[448,19,"appears to be hosted by the mixed unit and consists of a horizon"]
[448,20,"characterized by dark grey to milky quartz veins ranging in width"]
[448,21,"from 1 cm to 1 m. The veins are variable in orientation, exhibiting"]
[448,22,"both cross-cutting and conformable relationships and do not contain"]
[448,23,"sulphides. Arsenopyrite and pyrite occur as clots and crystals in"]
[448,24,"altered wall rock inclusions in the quartz, the arsenopyrite also"]
[448,25,"occurring in the wall rocks. In places, the arsenopyrite appears"]
[448,26,"crudely banded or layered."]
[449,1,"Drill logs from the Bow Valley work (AR 082546) describe alteration"]
[449,2,"in the wall rock as strong chloritization with patches of"]
[449,3,"hornblende.  The Perrson and East Perrson Zones have been traced by"]
[449,4,"drilling over lengths of several hundred to one thousand metres and"]
[449,5,"to a depth of about 125 m. Two drill-hole pierce points somewhat"]
[449,6,"below a depth of 200 m show that, at least in these areas,"]
[449,7,"mineralization does not continue to that depth. The Saucer Lake"]
[449,8,"zone has been traced by drilling over a strike length of about 350"]
[449,9,"m.  Drilling in 1958 by North Goldcrest Mines Ltd. outlined a"]
[449,10,"mineralized zone 950 feet in length, averaging 0.51 oz/ton gold"]
[449,11,"over an average width of 2.2 feet.  The best intersections included"]
[449,12,"1.54 oz/T gold over 7 feet, 1.48 oz/T gold over 1.3 feet and 0.62"]
[449,13,"oz/T gold over 2 feet.  In 1983 Roxwell Gold Mines Ltd., using the"]
[449,14,"1958 drill results, calculated ore reserves for the Perrson Zone to"]
[449,15,"be 37,500 tons proven and 75,000 tons probable with a weighted"]
[449,16,"graded average of between 0.13 to 0.15 oz/T gold.  (NMI"]
[449,17,"076D03AU_06)  The initial gold showings on the BS claims were"]
[449,18,"discovered in 1945.  Homer Yellowknife Mines conducted limited"]
[449,19,"diamond drilling in 1947 and 1949 with the first 7 holes testing"]
[449,20,"the Perrson and East Perrson veins.  All holes encountered gold"]
[449,21,"mineralization.  The property was subsequently acquired by"]
[449,22,"Goldcrest Mines Ltd. who conducted some mapping and drilling.  In"]
[449,23,"1970 the claims were restaked and optioned to Perry River Nickel"]
[449,24,"Mines in 1974.  The option terminated in 1978.  The claims lapsed"]
[449,25,"and were restaked and optioned to Roxwell Gold Mines Ltd. in 1981."]
[449,26,"In 1983 Giant Yellowknife Mines Ltd. acquired an option on the"]
[449,27,"property.  In 1987 Bow Valley Industries Ltd. entered an option"]
[449,28,"agreement with Roxwell Gold Mines."]
[450,1,"The Tundra deposit, also known as Fat, is located in the Courageous-"]
[450,2,"Mackay Lake greenstone belt in the Slave structural province. All"]
[450,3,"stratified rocks have been mapped as belonging to the Archean"]
[450,4,"Yellowknife Supergroup and have been metamorphosed to the"]
[450,5,"greenschist facies.  Two separate gold-bearing zones are present in"]
[450,6,"a volcanic sequence known as the Matthews Lake Volcanic Complex"]
[450,7,"which has been divided into a lower and upper cycle. The lower"]
[450,8,"cycle comprises a 400 metre thick unit of rhyodacitic flows"]
[450,9,"overlain by 45 - 150 metres of interbedded calcareous sediments and"]
[450,10,"calcareous rhyodacitic lapilli tuff, and capped by a narrow layer"]
[450,11,"of locally graphitic pelite. The base of the upper cycle comprises"]
[450,12,"a 180 - 300 metre thick unit of rhyodacitic lapilli tuff to"]
[450,13,"agglomerate, overlain by felsic volcanics transitional to typical"]
[450,14,"Yellowknife Supergroup sediments.  The largest auriferous zone,"]
[450,15,"known as the Tundra or Fat zone, occurs in felsic volcanics of the"]
[450,16,"upper cycle. It is a 100 - 250 metre wide zone consisting of"]
[450,17,"multiple, parallel, subvertically dipping shear zones that are"]
[450,18,"subparallel to strata. Individual shears range from 3 - 20 metres"]
[450,19,"in thickness and are characterized by variable but generally strong"]
[450,20,"sericitization, silicification, chloritization and irregular blue-"]
[450,21,"grey to dark grey quartz veins and masses. Many of the latter have"]
[450,22,"diffuse boundaries. Very finely acicular arsenopyrite is the main"]
[450,23,"sulphide mineral, occurring as disseminations throughout the"]
[450,24,"sericitized rock and as felted masses. Lesser pyrrhotite and pyrite"]
[450,25,"occur as disseminations. Chalcopyrite, sphalerite and scheelite"]
[450,26,"have been identified within the zones but are rare. Gold is largely"]
[450,27,"refractory, being tied up within arsenopyrite."]
[451,1,"However, a significant proportion occurs as free metal in extremely"]
[451,2,"fine grains averaging less than 10 microns in size. Some of these"]
[451,3,"occur in fractures or inclusions in arsenopyrite but the majority"]
[451,4,"is interstitial to silicates. Visible gold is rare and seen only in"]
[451,5,"some quartz veins.  The Tundra zone has been traced with drilling"]
[451,6,"over a 1500 metre strike length and locally to a depth of 1300"]
[451,7,"metres. It is open to depth. A 476 metre vertical shaft was sunk in"]
[451,8,"1988-89 and 2000 metres of underground development on the 425m"]
[451,9,"level were completed. In 1989, the Noranda-Hemlo-Total Energold"]
[451,10,"joint venture announced suspension of the project because of the"]
[451,11,"relatively low gold grade.  A report prepared by Noranda in 1990"]
[451,12,"estimates the total geological reserves for the Tundra deposit at"]
[451,13,"15.47 million metric tonnes grading 6.5 grams per tonne above a 3.4"]
[451,14,"gram cut-off.  In 1990 a limited surface exploration program was"]
[451,15,"carried out.  The Carbonate zone is not well described in available"]
[451,16,"literature. It occurs at the contact between felsic volcanics and"]
[451,17,"overlying pelites in the lower cycle. It apparently resembles the"]
[451,18,"Salmita Mine host rock. A reserve of 900,000 tonnes grading 12 g/t"]
[451,19,"Au is quoted in the 1986-87 DIAND MIR (p265)."]
[452,1,"The Jax Lake gold deposit is situated within the Courageous-Mackay"]
[452,2,"Lake greenstone belt in the Slave structural province. All"]
[452,3,"stratified rocks have been mapped as belonging to the Archean"]
[452,4,"Yellowknife Supergroup and have been metamorphosed to the lower"]
[452,5,"greenschist facies except at the north end of Jax Lake, where the"]
[452,6,"presence of cordierite indicates lower amphibolite facies."]
[452,7,"The stratigraphic sequence in the deposit area has been"]
[452,8,"divided into two cycles. The lower cycle begins with massive mafic"]
[452,9,"flows successively overlain by banded mafic tuffs, felsic flows and"]
[452,10,"tuffs, banded mafic tuffs and then graphitic chert. The upper cycle"]
[452,11,"begins with massive mafic flows, followed by well-banded and"]
[452,12,"carbonate-rich mafic tuffs, porphyritic massive felsic volcanics"]
[452,13,"and finally metasediments. Large sills and dykes of metagabbro and"]
[452,14,"metadiorite tend to occur at the contact between the lower banded"]
[452,15,"mafic tuffs and overlying mafic flows but are not restricted to"]
[452,16,"this interval.                      Five auriferous zones have been"]
[452,17,"identified in a long history of work in this area. The No. 1 zone"]
[452,18,"strikes northerly, dips vertically or steeply to the east and"]
[452,19,"consists of a number of light grey to blue-gray quartz veins and"]
[452,20,"stringer zones at the contact between banded mafic tuffs and"]
[452,21,"underlying massive flows in the upper cycle. Small amounts (less"]
[452,22,"than 10%) of sulphide minerals occur in both the veins and adjacent"]
[452,23,"wall rocks, including arsenopyrite, pyrrhotite, pyrite and lesser"]
[452,24,"chalcopyrite. Alteration in and around the veins includes epidote,"]
[452,25,"carbonate and sericite. Inclusions of altered wall rock in the"]
[452,26,"veins are ubiquitous and some zones contain black tourmaline. Fine"]
[452,27,"to coarse visible gold is scattered throughout the quartz."]
[453,1,"Two main veins about 8 metres apart were traced along a strike"]
[453,2,"length of about 80 metres. A reserve of 36,300 tonnes grading 14.06"]
[453,3,"g/t Au has been reported for this zone (VSE SMF for Perry River"]
[453,4,"Nickel Mines 9/18/80).  The No. 2 zone may be the faulted-off"]
[453,5,"southern extension of the No. 1 vein and occurs in a similar"]
[453,6,"geological setting. Gold values are concentrated on the hangingwall"]
[453,7,"side. Drilling has traced this vein over a strike length of 58"]
[453,8,"metres and shown it to grade 39.8 g/t Au over an average width of 0."]
[453,9,"91 metres.  The No. 3 zone is situated within massive mafic"]
[453,10,"volcanics stratigraphically below the No. 1 and 2 zones. Three"]
[453,11,"parallel veins and stringers are present in a 6.5 metre wide zone."]
[453,12,"Bluish-gray to black quartz carries up to 5% pyrite, pyrrhotite and"]
[453,13,"arsenopyrite. Surface samples have returned only trace to low"]
[453,14,"values of gold.  The No. 4 zone consists of a number of quartz"]
[453,15,"veins parallelling schistocity that are situated about 60 metres"]
[453,16,"higher in the stratigraphy than the other zones. Both pyrrhotite"]
[453,17,"and arsenopyrite are present in the veins, the arsenopyrite also"]
[453,18,"occurring locally in the wall rock as coarse crystals. Of six"]
[453,19,"samples collected across 6.5 metres, the best graded 10.6 g/t Au"]
[453,20,"over 0.7 m. A shallow hole drilled under the outcrop in 1946 cut 2."]
[453,21,"5 feet of quartz grading 0.09 oz/ton Au.  A fifth zone is plotted"]
[453,22,"on a 1960 geology map in AR 017118 and discussed in AR 062023. This"]
[453,23,"is probably the Sour Lake occurrence which has its own entry in"]
[453,24,"this database."]
[454,1,"The Perrson Vein, BS or TK prospect, is located in the Courageous-"]
[454,2,"Mackay Lake greenstone belt in the Slave structural province. It is"]
[454,3,"hosted by a volcanosedimentary sequence belonging to the Archean"]
[454,4,"Yellowknife Supergroup. The general area of the deposit is"]
[454,5,"underlain by a stratigraphic sequence including, from oldest to"]
[454,6,"youngest: mafic flows with minor tuff, mafic tuffs, a mixed unit of"]
[454,7,"thinly-bedded and alternating mafic and felsic tuffs, felsic tuff"]
[454,8,"and then clastic sediments. Metamorphic grade at the prospect is"]
[454,9,"greenschist facies.  Two auriferous zones, the Perrson and East"]
[454,10,"Perrson zones, occur as seperate stratabound horizons in the felsic"]
[454,11,"tuff unit immediately below its contact with the overlying"]
[454,12,"sediments. Mineralization consists of 1 - 3% finely disseminated"]
[454,13,"pyrite and finely acicular needles of arsenopyrite in a very fine"]
[454,14,"grained, sericitic felsic tuff with intercalated cherty layers and/"]
[454,15,"or narrow quartz veins. The Persson horizons vary in width from a"]
[454,16,"few centimetres to 3 m. Quartz veins and/or cherty layers are"]
[454,17,"generally conformable to foliation but locally exhibit tight"]
[454,18,"folding or ptygmatic character.  A third zone, the Saucer Lake Zone,"]
[454,19,"appears to be hosted by the mixed unit and consists of a horizon"]
[454,20,"characterized by dark grey to milky quartz veins ranging in width"]
[454,21,"from 1 cm to 1 m. The veins are variable in orientation, exhibiting"]
[454,22,"both cross-cutting and conformable relationships and do not contain"]
[454,23,"sulphides. Arsenopyrite and pyrite occur as clots and crystals in"]
[454,24,"altered wall rock inclusions in the quartz, the arsenopyrite also"]
[454,25,"occurring in the wall rocks. In places, the arsenopyrite appears"]
[454,26,"crudely banded or layered."]
[455,1,"Drill logs from the Bow Valley work (AR 082546) describe alteration"]
[455,2,"in the wall rock as strong chloritization with patches of"]
[455,3,"hornblende.  The Perrson and East Perrson Zones have been traced by"]
[455,4,"drilling over lengths of several hundred to one thousand metres and"]
[455,5,"to a depth of about 125 m. Two drill-hole pierce points somewhat"]
[455,6,"below a depth of 200 m show that, at least in these areas,"]
[455,7,"mineralization does not continue to that depth. The Saucer Lake"]
[455,8,"zone has been traced by drilling over a strike length of about 350"]
[455,9,"m.  Drilling in 1958 by North Goldcrest Mines Ltd. outlined a"]
[455,10,"mineralized zone 950 feet in length, averaging 0.51 oz/ton gold"]
[455,11,"over an average width of 2.2 feet.  The best intersections included"]
[455,12,"1.54 oz/T gold over 7 feet, 1.48 oz/T gold over 1.3 feet and 0.62"]
[455,13,"oz/T gold over 2 feet.  In 1983 Roxwell Gold Mines Ltd., using the"]
[455,14,"1958 drill results, calculated ore reserves for the Perrson Zone to"]
[455,15,"be 37,500 tons proven and 75,000 tons probable with a weighted"]
[455,16,"graded average of between 0.13 to 0.15 oz/T gold.  (NMI"]
[455,17,"076D03AU_06)  The initial gold showings on the BS claims were"]
[455,18,"discovered in 1945.  Homer Yellowknife Mines conducted limited"]
[455,19,"diamond drilling in 1947 and 1949 with the first 7 holes testing"]
[455,20,"the Perrson and East Perrson veins.  All holes encountered gold"]
[455,21,"mineralization.  The property was subsequently acquired by"]
[455,22,"Goldcrest Mines Ltd. who conducted some mapping and drilling.  In"]
[455,23,"1970 the claims were restaked and optioned to Perry River Nickel"]
[455,24,"Mines in 1974.  The option terminated in 1978.  The claims lapsed"]
[455,25,"and were restaked and optioned to Roxwell Gold Mines Ltd. in 1981."]
[455,26,"In 1983 Giant Yellowknife Mines Ltd. acquired an option on the"]
[455,27,"property.  In 1987 Bow Valley Industries Ltd. entered an option"]
[455,28,"agreement with Roxwell Gold Mines."]
[456,1,"The Butterfly deposit is in the Contwoyto-Itchen-Point Sedimentary"]
[456,2,"Terrane, a large arcuate belt of Archean turbiditic metasediments"]
[456,3,"belonging to the Yellowknife Supergroup, and affected by polyphase"]
[456,4,"Archean deformation and regional metamorphism. The sedimentary belt"]
[456,5,"is flanked to the west by the older, predominantly volcanic Point"]
[456,6,"Lake supracrustal belt, and invaded to the east and north by late"]
[456,7,"Archean granitoids. Late Proterozoic diabase dykes cut the"]
[456,8,"supracrustals and the granites.  The sediments in the showing area"]
[456,9,"are (garnet-staurolite)-cordierite-quartz-muscovite-biotite schists,"]
[456,10,"the lower amphibolite grade equivalents of interbedded and graded-"]
[456,11,"bedded argillites and subordinate greywackes. They are mostly fine-"]
[456,12,"grained and micaceous, less commonly siliceous, and rarely"]
[456,13,"graphitic. Cordierite is usually porphyroblastic, rarely incipient"]
[456,14,"or absent, and often replaced by sericite/muscovite. The cordierite"]
[456,15,"isograd is well to the west but dips shallowly east under the"]
[456,16,"deposit. The sillimanite isograd, marking a further rise in grade"]
[456,17,"to middle amphibolite, is immediately east of the deposit."]
[456,18,"Staurolite porphyroblasts are infrequent in the showing area,"]
[456,19,"andalusite is rare, and garnet occurs near iron formations. Bedding"]
[456,20,"strikes 120 - 140 degrees and dips 45 - 80 degrees SW in the"]
[456,21,"deposit area.  Discontinuous lenses and layers of amphibolitic iron"]
[456,22,"formation are interbedded with the clastic sediments. They are"]
[456,23,"laminated or crudely banded to massive, with garnet-rich layers,"]
[456,24,"cherty bands or pyrrhotite defining the layering."]
[457,1,"From limited drill data submitted with assessment reports, the"]
[457,2,"Butterfly deposit is hosted by a discontinuous lens of amphibolitic"]
[457,3,"iron formation which breaks up along strike into numerous narrow"]
[457,4,"bands, interdigitating and intergradational with the clastics, and"]
[457,5,"farther NW along strike becomes a coherent unit of significant"]
[457,6,"width again. Its strike length is apparently almost 400 m, and it"]
[457,7,"has been intersected at 60 m depth. Core lengths of auriferous"]
[457,8,"intersections range from 1 to 5 m. Reserves have been estimated at"]
[457,9,"100,000 tonnes grading 17 g/t Au, and it is open at depth.  Two"]
[457,10,"diabase dykes cut the Butterfly iron formation, one trending NW and"]
[457,11,"the other E.  The dominant schistocity is subparallel to bedding,"]
[457,12,"and secondary crenulation cleavages are common. Complex folding is"]
[457,13,"recorded in the compositional banding of the host iron formation."]
[458,1,"The showing is in the Contwoyto-Itchen-Point Sedimentary Terrane, a"]
[458,2,"large arcuate belt of Archean turbiditic metasediments of the"]
[458,3,"Yellowknife Supergroup, affected by polyphase Archean deformation"]
[458,4,"and regional metamorphism. It is flanked to the west by the older,"]
[458,5,"predominantly volcanic Point Lake supracrustal belt, and invaded to"]
[458,6,"the east and north by late Archean granitoids. Late Proterozoic"]
[458,7,"diabase dykes cut the supracrustals and the granites.  Little"]
[458,8,"information is available on the deposit, due primarily to a"]
[458,9,"conflict over ownership. It is probably a typical Contwoyto-type,"]
[458,10,"iron formation-hosted gold deposit. The host sediments are"]
[458,11,"cordierite-quartz-muscovite-biotite schists, the lower amphibolite"]
[458,12,"grade equivalents of interbedded and graded-bedded argillites and"]
[458,13,"greywackes. They range from fine-grained and micaceous to siliceous,"]
[458,14,"and are locally graphitic. They host conformable layers and lenses"]
[458,15,"of amphibolitic iron formation, commonly banded, and locally"]
[458,16,"sulphidic with pyrrhotite, pyrite and arsenopyrite being the most"]
[458,17,"common sulphides. Gold is assocaited with both quartz and sulphides"]
[458,18,"in the iron formation units across the Lupin area.  From drill hole"]
[458,19,"locations, limited drill log information, and AEM data, the deposit"]
[458,20,"is 500 - 1000 m long, 2 - 4 m thick, strikes WNW and dips steeply"]
[458,21,"north or south. It is probably contorted or folded, as are most of"]
[458,22,"the iron formation units in the area. It is said to be a"]
[458,23,"significant deposit (NMI).  A series of granitic sills, probably of"]
[458,24,"late Archean age, intrude the schists at depth toward the east end"]
[458,25,"of the deposit horizon (about 1 km E of inferred deposit location"]
[458,26,"and DDH 88-57); narrow granitic dykes were intersected elsewhere."]
[458,27,"A couple of NW-trending diabase dykes probably cut the Jon horizon."]
[459,1,"The showing is in the Contwoyto-Itchen-Point Sedimentary Terrane, a"]
[459,2,"large arcuate belt of Archean turbiditic metasediments of the"]
[459,3,"Yellowknife Supergroup, affected by polyphase Archean deformation"]
[459,4,"and regional metamorphism. It is flanked to the west by the older,"]
[459,5,"predominantly volcanic Point Lake supracrustal belt, and invaded to"]
[459,6,"the east and north by late Archean granitoids. Late Proterozoic"]
[459,7,"diabase dykes cut the supracrustals and the granites.  The Pan"]
[459,8,"deposit is hosted by a roughly tabular, NW-striking, moderately NE-"]
[459,9,"dipping iron formation, enclosed by massive to finely bedded,"]
[459,10,"foliated metagreywackes with slatey, argillaceous interbeds."]
[459,11,"Numerous thin, discontinuous layers of iron formation are"]
[459,12,"interbedded with the clastics up to 200 m either side of the Pan"]
[459,13,"horizon. Within a hundred metres south of the deposit the"]
[459,14,"greywackes grade into more siliceous clastics mapped as siltstones."]
[459,15,"A couple of hundred metres west of the deposit, metamorphic grade"]
[459,16,"rises from upper greenschist to lower amphibolite, marked by the"]
[459,17,"appearance of cordierite nodules and increasing schistocity in the"]
[459,18,"sediments. The cordierite isograd runs NW here and dips shallowly"]
[459,19,"NE.  Intrusion of a 2 x 2 km, late Archean syenitic plug, which"]
[459,20,"terminates the southern extent of the Pan horizon 60 m SE of the"]
[459,21,"last drill intersection, caused micaceous hornfels metamorphism of"]
[459,22,"the sediments and localized intrusive deformation. Two syenite"]
[459,23,"dykes 2 - 3 m wide strike NE through the Pan horizon. A Helikian"]
[459,24,"diabase dyke trends NNW about 150 m south of the Pan."]
[460,1,"The host unit is a silicate-(sulphide) facies, quartz-garnet-"]
[460,2,"amphibole iron formation. It is 2 - 6 m thick and auriferous along"]
[460,3,"180 m. Auriferous intersections 300 m and 780 m on strike to the NW"]
[460,4,"may derive from the same horizon; exposure is so poor this cannot"]
[460,5,"be verified. The Pan iron formation is compositionally banded,"]
[460,6,"hosting Au-poor, garnet- rich layers, and Au-rich, pyrrhotite-rich,"]
[460,7,"garnet-poor layers, and up to 50% disseminated to semi-massive"]
[460,8,"arsenopyrite. A 1984 average grade is based on 8 holes, on 40 m"]
[460,9,"centres testing 20 m and 50 m vertical depths along 183 m, and is 2."]
[460,10,"8 g/t Au across an average true width of 3.2 m."]
[461,1,"The deposit lies within the Central Volcanic Belt, an E-striking, N-"]
[461,2,"dipping and -facing sequence of mixed mafic to felsic volcanics"]
[461,3,"belonging to the Point Lake Formation of the Archean Yellowknife"]
[461,4,"Supergroup. Two cycles of volcanism have been tentatively suggested"]
[461,5,"(Bubar and Heslop, 1985). The volcanic belt is bounded to the north"]
[461,6,"by clastic metasediments of the Yellowknife Supergroup (Itchen and"]
[461,7,"Contwoyto Formations), and to the south by mixed granitoids, in"]
[461,8,"part pre-Yellowknife Supergroup basement. Small, late Archean"]
[461,9,"granitic plutons and pegmatite dykes locally intrude the"]
[461,10,"supracrustals.  A unit of massive mafic flows with minor"]
[461,11,"intercalated tuffaceous horizons forms the base of the volcanic"]
[461,12,"pile. Overlying this is a 500 metre thick sequence of intermediate"]
[461,13,"to felsic fragmental and volcaniclastic rocks, including the"]
[461,14,"chloritized tuffs and lapilli tuffs which host the deposit 250 m"]
[461,15,"above the basal mafic flows. Above the host sequence is a"]
[461,16,"predominantly felsic volcanic unit, separated from a presumed"]
[461,17,"second volcanic cycle 2km NW of the deposit by a 1km-wide, fault-"]
[461,18,"bounded band of metaturbidites.                      The immediate"]
[461,19,"footwall to the deposit comprises felsic ash and lapilli tuffs,"]
[461,20,"with minor coarser material and local thin intermediate beds. The"]
[461,21,"immediate hangingwall is similar but contains a much greater"]
[461,22,"proportion of coarse felsic volcaniclastics, including matrix-"]
[461,23,"supported breccias interpreted as debris flows. A thin but"]
[461,24,"distinctive pyrite-rich, quartz-sericite schist occurs at the"]
[461,25,"hangingwall contact with the massive sulphides."]
[461,26,"The deposit itself is a stratiform, L-shaped body of well-banded,"]
[461,27,"massive to disseminated sulphides. It lies in the NE-striking,"]
[461,28,"synformal hinge zone of a regional, open Z-fold, and comprises two"]
[461,29,"steeply dipping to vertical limbs striking at 170 degrees and 080"]
[461,30,"degrees."]
[462,1,"It is up to 40 m true thickness in the hinge zone, thins rapidly"]
[462,2,"away from the hinge, but apparently widens with depth along the"]
[462,3,"north limb where good grades were intersected. Pyrite and"]
[462,4,"sphalerite are the dominant sulphides, accompanied by variable"]
[462,5,"amounts of galena and chalcopyrite, and minor amounts of other"]
[462,6,"metallic minerals. The central portions of the deposit tend to be"]
[462,7,"enriched in Zn, Ag and Pb while outlying areas are relatively Cu-"]
[462,8,"rich. Although the deposit is also vertically zoned, with Cu grades"]
[462,9,"increasing toward the footwall, no significant stringer zone/"]
[462,10,"alteration pipe has been found to date. The main mineralized zone"]
[462,11,"in the fold hinge is primarily a Zn-Ag deposit.  Drill-indicated"]
[462,12,"reserves in 1991 (Northern Miner Dec 09/91) were 7.3 million tonnes"]
[462,13,"grading 4.8% Zn and 46 g/t Ag, with 0.2% Cu. Up to 2.8 g/t Au is"]
[462,14,"reported locally.                      Chloritization is the most"]
[462,15,"wide-spread alteration, comprising chlorite-pyrite ? cordierite ?"]
[462,16,"garnet, in semi-conformable zones adjacent to the deposit and in"]
[462,17,"fracture-controlled zones higher up the hangingwall. Sericitization"]
[462,18,"is less wide-spread and comprises mainly quartz-muscovite-"]
[462,19,"sericitized feldspar ? pyrite. A third alteration type, chlorite-"]
[462,20,"cordierite-biotite or CBC, is most distinctive, occurring in"]
[462,21,"contact with the sulphide mineralization irregularly along both"]
[462,22,"hangingwall and footwall in zones up to 5 m wide. It comprises"]
[462,23,"coarse-grained, well-foliated, dark-colored biotite-quartz-chlorite-"]
[462,24,"cordierite (pyrite-chalcopyrite-sphalerite). A later metasomatic"]
[462,25,"bleaching, characterized by quartz, K-feldspar and epidote, is"]
[462,26,"locally superimposed on the above assemblages."]
[462,27,"The area has been affected by two folding episodes, the later one"]
[462,28,"possibly related to shearing and formation of the open Z-fold"]
[462,29,"hosting the deposit."]
[463,1,"Two episodes of brittle deformation, the earlier definitely pre-"]
[463,2,"pegmatite and possibly coinciding with synvolcanic tectonic"]
[463,3,"activity and sulphide deposition (Bubar and Heslop, CIMM Bull Apr/"]
[463,4,"85), have marked the Gondor locality with numerous, steeply dipping"]
[463,5,"faults. Microfaulting and shearing have been noted in drill core"]
[463,6,"and on surface. Two regional, NE-striking Proterozoic? faults occur"]
[463,7,"about 2 km NW of the deposit."]
[464,1,"The Hackett River occurrences, also known as the Bathurst"]
[464,2,"Norsemines occurrences, include a number of volcanogenic massive"]
[464,3,"sulphide lenses hosted by metavolcanics and metasediments of the"]
[464,4,"Archean Yellowknife Supergroup in the Hackett River greenstone belt."]
[464,5,"Mineralization generally occurs in a mixed package of rhyolitic"]
[464,6,"fragmentals, epiclastics, chemical and clastic sediments known as"]
[464,7,"the Mineral Horizon sandwiched between a thick underlying sequence"]
[464,8,"of fragmental rhyolites and overlying clastic sediments. Three main"]
[464,9,"areas of mineralization have been described. The Central area"]
[464,10,"includes the A, Jo and Jo South zones while the Boot Lake and East"]
[464,11,"Cleaver areas occur at distances of 2 and 6 kilometres respectively."]
[464,12,"In the Central area, the A and Jo deposits are situated on a"]
[464,13,"common stratigraphic horizon and consist of conformable lenses of"]
[464,14,"pyrite with lesser sphalerite, galena and chalcopyrite. Both"]
[464,15,"overlie discordant, zoned alteration pipe/stringer zones containing"]
[464,16,"chalcopyrite, pyrrhotite, pyrite and magnetite. Alteration consists"]
[464,17,"of a sericite - quartz - (sillimanite - cordierite) assemblage"]
[464,18,"developed along hydrothermal fluid channelways, interspersed with"]
[464,19,"patchy anthophyllite - cordierite - biotite - garnet - quartz -"]
[464,20,"(sillimanite - sericite). Both are contained within a relatively"]
[464,21,"wide envelope of characteristically spotted sillimanite - biotite -"]
[464,22,"garnet - quartz - (cordierite - sericite) rock. The Jo South zone"]
[464,23,"occurs at a lower stratigraphic level and comprises a series of"]
[464,24,"veins and disseminations of pyrite, sphalerite, chalcopyrite and"]
[464,25,"galena. The Boot Lake zone also occurs within the Mineral Horizon"]
[464,26,"although the latter is thinner in this area, with a less complex"]
[464,27,"internal stratigraphy. Sulphides are present in small lenses and in"]
[464,28,"continuous layers of pyrite, both containing variable amounts of"]
[464,29,"pyrrhotite, sphalerite, galena and chalcopyrite."]
[465,1,"The East Cleaver zone is a single, fairly homogeneous sulphide body"]
[465,2,"containing pyrite, sphalerite and galena, also situated within the"]
[465,3,"Mineral Horizon. It has been deformed through folding and shearing"]
[465,4,"and is now highly contorted, occupying the nose of an overturned"]
[465,5,"anticline. Both zones are underlain by a stringer zone/alteration"]
[465,6,"pipe similar to those under the A and Jo deposits.  A total reserve"]
[465,7,"for the four zones is reported to be 21 million tons grading 4.98%"]
[465,8,"Zn, 0.75% Pb, 0.41% Cu, 4.37 oz/ton Ag and 0.013 oz/ton Au"]
[465,9,"(Northern Miner, 2/21/80)."]
[466,1,"The Goose Lake showing lies within the northeastern portion of the"]
[466,2,"Archean Slave Structural Province. The region is bordered by the"]
[466,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[466,4,"Structural Province to the east. The principal underlying"]
[466,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[466,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[466,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[466,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[466,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[466,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[466,11,"the older lithologies.  The Goose Lake area is within the Back"]
[466,12,"River region. The Yellowknife Supergroup in the property area is"]
[466,13,"divided informally into three major sequences. The Back Group is"]
[466,14,"the lowest sequence and is comprised of felsic to intermediate"]
[466,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[466,16,"Back and consists of  volcanic flows that range from felsic to"]
[466,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[466,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[466,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[466,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[466,21,"Back volcanic belts, which are generally spatially separate, may be"]
[466,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[466,23,"four periods of deformation have affected the Yellowknife"]
[466,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[466,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[466,26,"formation deposition have been identified within the Back and"]
[466,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[466,28,"iron formations are believed to be equivalent stratigraphically to"]
[466,29,"the uppermost iron formations in the Beechey Lake Group."]
[467,1,"The Beechey Lake Group in the Back River Region are isoclinally"]
[467,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[467,3,"interbedded with iron formation and are steeply dipping. The iron"]
[467,4,"formation consists mainly of magnetite and chert and are of the"]
[467,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[467,6,"also present (Williamson and Olson, 1990)  Map 5602-70 from"]
[467,7,"assessment report #081975 shows the location of the Goose Lake area."]
[467,8,"The Goose Lake showing is within a northwest plunging antiformal"]
[467,9,"closure. Gold zones appear axial planar to the fold structure and"]
[467,10,"reasonably continuous in nature. The mineralization is interpreted"]
[467,11,"to occur in three subparallel zones occupying the west limb, fold"]
[467,12,"nose and east limb of the fold structure. The deposit is completely"]
[467,13,"open down plunge and along the strike of the limbs (Chandler et al,"]
[467,14,"1992). The Goose Lake iron formation has a NNW strike and is at"]
[467,15,"least 8 km long and 1.5 km wide.  The Goose Lake Showing is a NW"]
[467,16,"plunging antiformal structure that is comprised of a sequence of"]
[467,17,"interbedded greywacke, oxide iron formation, sillicate iron"]
[467,18,"formation and mudstone. This sequence has been intruded by felsic"]
[467,19,"and gabbroic dykes. The Goose Lake iron formation is believed to be"]
[467,20,"stratigraphically similar to the George Lake iron formation.  The"]
[467,21,"Goose Lake mineralized zones occur in both the west and east limbs"]
[467,22,"of the antiformal structure as well as in the fold nose. Chandler"]
[467,23,"et al,1992 interprets them to be subparallel to the axial plane of"]
[467,24,"the fold and steeply dipping. Increased quartz veining,"]
[467,25,"silicification, the development of chlorite and sulphide"]
[467,26,"replacement of magnetite characterize the gold bearing zones. Three"]
[467,27,"subparallel but spatially distinct zones of higher grade gold value"]
[467,28,"occur in the west limb (West Zone), fold nose (Main Zone) and east"]
[467,29,"limb (East Zone)."]
[468,1,"Gold zones appear axial planar to the fold structure and reasonably"]
[468,2,"continuous in nature. The mineralization is interpretted to occur"]
[468,3,"in three zones subparallel to the axial plane of the fold occupying"]
[468,4,"the west limb (West Zone), fold nose (Main Zone) and east limb"]
[468,5,"(East Zone) of the fold structure. The deposit is completely open"]
[468,6,"down plunge and along the strike of the limbs(Chandler et al,1992)."]
[468,7,"The Goose Lake iron formation has a NNW strike and is at least 8 km"]
[468,8,"long and 1.5 km wide.  Increased quartz veining, silicification,"]
[468,9,"the development of chlorite and sulphide replacement of magnetite"]
[468,10,"characterize the gold bearing zones.   Oxide iron formations host"]
[468,11,"the gold bearing sulphidic zones. The sulphidic zones contain up to"]
[468,12,"8 volume percent euhedral arsenopyrite and 7 volume percent"]
[468,13,"disseminated and wispy pyrite. Near the sulphidic zones the iron"]
[468,14,"formation is chloritic, foliated and graphitic and cut by quartz"]
[468,15,"veins. Flanking the larger oxide iron formation, thin beds of"]
[468,16,"silicate iron formation are present in greywacke. These contain up"]
[468,17,"to 7 volume percent disseminated and wispy pyrite +/or pyrrhotite"]
[468,18,"which occurs adjacent to quartz veins. This silicate iron"]
[468,19,"formations are at least 10 m long and up to 0.75 m wide."]
[469,1,"Exploration in the Goose Lake area commenced in 1984 with"]
[469,2,"reconnaissance prospecting. A rock chip sample collected at Goose"]
[469,3,"Lake assayed at 1.30 g/t Au across 2.3 m and a grab sample assayed"]
[469,4,"at 17.11 g/t Au (Johnston et al,1985).  In 1985, an airborne DIGHEM"]
[469,5,"geophysical survey, reconnaissance mapping, prospecting and"]
[469,6,"sampling was done over the area, one assay had a value of 4.40 g/t"]
[469,7,"Au.  Exploration in 1986 consisted of detailed mapping, sampling,"]
[469,8,"and ground geophysical surveys of magnetometer, VLF-EM and HLEM. A"]
[469,9,"till sample survey was also done within the Goose Lake area.  Of 25"]
[469,10,"rock samples collected gold assays ranged from less than 0.7 to 8."]
[469,11,"67 g/t Au. Four samples assayed between 3.00 and 8.67 g/t Au, two"]
[469,12,"samples assayed from 0.5 and 3.0 g/t Au. Fifteen samples had an"]
[469,13,"anomalous gold value ranging from 0.15 to 0.34 g/t Au.  In 1987"]
[469,14,"infill grid surveying, prospecting, ground magnetometer and VLF-EM"]
[469,15,"surveys were carried out to extend and delineate the iron formation."]
[469,16,"From 1988 to 1991 no field work was done on the Goose Lake area."]
[469,17,"In 1992 till sampling, ground geophysics (magnetic, VLF-EM and"]
[469,18,"gradiometer) and diamond drilling of 19 holes totalling 2,729 m. A"]
[469,19,"total of 869 core samples were taken with numerous assays exceding"]
[469,20,"20 g/t Au (e.g. 77.86 g/t Au over 1.0 m and 127.44 g/t over 1.25 m)."]
[469,21,"In 1993 a detailed geophysical survey and a legal survey was"]
[469,22,"completed at the Goose Lake property.  In 1994 21 diamond drill"]
[469,23,"holes were drilled totalling 7473 m."]
[470,1,"A press release from Kit Resources on 25 March 1998 announced that"]
[470,2,"a new resource estimate had been calculated based on a drill"]
[470,3,"program from 1997. Twelve drill holes on the Goose Lake target"]
[470,4,"produced the best grades and widths and the deposit remains open to"]
[470,5,"depth. The indicated resource is 1,896,000 tonnes at 10.53 g/t and"]
[470,6,"642,00 contained ounces gold. Kit  Resources state  they intend to"]
[470,7,"test for depth extension in the next phase of drilling as well as"]
[470,8,"advance the project to prefeasibility stage as market conditions"]
[470,9,"improve."]
[471,1,"The George Lake area lies within the northeastern portion of the"]
[471,2,"Archean Slave Structural Province. The region is bordered by the"]
[471,3,"Aphebian age Bear Structural Province to the west, and the Rae"]
[471,4,"Structural Province to the east. The principal underlying"]
[471,5,"supracrustal rocks belong to the Archean Yellowknife Supergroup and"]
[471,6,"consist mainly of volcanics and metasediments. Archean intrusive"]
[471,7,"and metamorphic rocks also underlie the region. Early Proterozoic"]
[471,8,"(Aphebian) clastic sedimentary and carbonate sequences of the"]
[471,9,"Goulburn Group unconformably overlie the Archean rocks locally."]
[471,10,"Intrusive rocks of Hudsonian age and younger diabase dykes crosscut"]
[471,11,"the older lithologies.  The George Lake Area is within the Back"]
[471,12,"River region. The Yellowknife Supergroup in the property area is"]
[471,13,"divided informally into three major sequences.  The Back Group is"]
[471,14,"the lowest sequence and is comprised of felsic to intermediate"]
[471,15,"flows, tuffs and breccias. The Hackett River Group overlies the"]
[471,16,"Back and consists of  volcanic flows that range from felsic to"]
[471,17,"mafic, as well as tuffs and chemical sediments. The uppermost"]
[471,18,"sequence is the Beechey Lake Group, comprising turbidite sediments,"]
[471,19,"greywacke, mudstone and iron formation. Recent mapping by the"]
[471,20,"Geological Survey of Canada suggests that the Hackett River and the"]
[471,21,"Back volcanic belts, which are generally spatially separate, may be"]
[471,22,"coeval in their upper parts (Williamson and Olson, 1990).  At least"]
[471,23,"four periods of deformation have affected the Yellowknife"]
[471,24,"Supergroup. Metamorphic grade in the Back River Region ranges from"]
[471,25,"sub-greenschist to upper amphibolite facies.  Three periods of iron"]
[471,26,"formation deposition have been identified within the Back and"]
[471,27,"Beechey Lake Groups (Chandler et al, 1992). In the property area,"]
[471,28,"iron formations are believed to be equivalent stratigraphically to"]
[471,29,"the uppermost iron formations in the Beechey Lake Group."]
[472,1,"The Beechey Lake Group in the Back River region are isoclinally"]
[472,2,"folded greywackes, siliceous greywackes and mudstones that are"]
[472,3,"interbedded with iron formation and are steeply dipping. The iron"]
[472,4,"formation consists mainly of magnetite and chert and is of the"]
[472,5,"oxide variety. Subordinate amounts of silicate iron formation are"]
[472,6,"also present (Williamson and Olson,1990).  The Beechey Lake Group"]
[472,7,"greywackes have been intruded by sill like bodies of Archean"]
[472,8,"felsite. These sills are generally 1-3 m wide with the exception of"]
[472,9,"one at the NW end of George Lake which is up to 130 m wide and 2.3"]
[472,10,"km long.   The sedimentary rocks and the iron formations of the"]
[472,11,"Beechey Lake Group as well as the Aphebian Goulburn Group sediments"]
[472,12,"have been cut by numerous NNW trending Helikian gabbroic dykes."]
[472,13,"Approximately 50% of the Precambrian rocks of the George Lake area"]
[472,14,"are mantled by quaternary glacial material.  The metamorphic grade"]
[472,15,"of the Beechey Lake Group in the George Lake area is lower to"]
[472,16,"middle greenschist.  The George Lake area has been subject to an"]
[472,17,"increasing scale of exploration since 1982. The area has been"]
[472,18,"prospected, mapped, trenched, sampled and drilled as well as having"]
[472,19,"airborne geophysics and detailed ground geophysics done.   In the"]
[472,20,"George Lake area, iron formations within Beechey Lake sedimentary"]
[472,21,"rocks strike northwest. This 16 km long and 2.5 km wide iron"]
[472,22,"formation/sediment sequence has three major oxide iron formation"]
[472,23,"belts identified within it. These belts are: the George Lake belt,"]
[472,24,"the Fold Nose belt and the Lookout Hill belt.  Maps 6601-31 & 32"]
[472,25,"from assessment report 082117 show the three main belts as well as"]
[472,26,"the main mineral occurrences and their locations. All locations of"]
[472,27,"occurrences are taken from an approximate midpoint and located with"]
[472,28,"reference to the George Lake camp (GLC) which is on the SSW shore"]
[472,29,"of George Lake."]
[473,1,"Gold exists in sulphide facies within oxide iron formations in"]
[473,2,"several areas in the George Lake area. Five deposits are"]
[473,3,"highlighted but there are numerous gold occurrences throughout the"]
[473,4,"area. Assays (from 1988) marked with an asterick are cut assays to"]
[473,5,"34.268 g Au/t.  The George Lake North deposit consists of Locale 1 -"]
[473,6,"Locale 1 North. Locale 1 North-Locale 1(approximately 1.2 km NW of"]
[473,7,"GLC) gold bearing sulphidic zone has a minimum strike length of"]
[473,8,"approximately 960 m, an average vertical extent of approximately"]
[473,9,"200 m and a true width of 3.7 m for intersections with a gold grade"]
[473,10,"times width product over 10 g*m. One drill hole intersected a zone"]
[473,11,"with a weighted average of 9.02* g/t Au over 10.53 m core length."]
[473,12,"Locale 1 North (1.8 km NW of GLC) has two oxide iron formations"]
[473,13,"that are the steeply SW dipping limbs of a syncline. The SW limb is"]
[473,14,"gold bearing and ranges from 5 to 50 m wide. Gold in the oxide iron"]
[473,15,"formation is spatially related to quartz veins and the sulphidic"]
[473,16,"zones have abundant quartz and chlorite, up to 15% pyrrhotite and"]
[473,17,"lesser pyrite and arsenopyrite. Visible gold is present with"]
[473,18,"chlorite and sulphides within and near quartz veining.  The"]
[473,19,"Occurrence Lake deposit (formerly Locale 2, approximately 400 m SW"]
[473,20,"of GLC) has a gold bearing sulphide facies iron formation that"]
[473,21,"ranges from 2.72 to 18.77 m wide and strikes for 110 m. Mudstone"]
[473,22,"and greywacke beds are often intercalated with the iron formation."]
[473,23,"Visible gold is associated with white vein quartz and arsenopyrite"]
[473,24,"veins which crosscut the iron formation. The best drill core result"]
[473,25,"from 1988 produced a weighted average of 4.9 g/t Au over 13.32 m"]
[473,26,"core length."]
[474,1,"The Esker Pond deposit (formerly GH): The southwest oxide iron"]
[474,2,"formation (approximately 3 km S of GLC) has a gold bearing"]
[474,3,"sulphidic zone that has a minimum strike length of 240 m which"]
[474,4,"extends to a depth of at least 270 m below surface (average depth"]
[474,5,"of 120 m) and an average true width of approximately 4.9 m for"]
[474,6,"intersections with a grade times width gold value over 10 g*m. The"]
[474,7,"iron formation exists in a tight SE plunging syncline. Two drill"]
[474,8,"holes from 1988 gave weighted averages of 8.33 g/t Au over 13.65 m"]
[474,9,"core length and 17.91* g/t Au across 6.14 m core length. GH South"]
[474,10,"(2.5 km S of GLC)has an oxide iron formation within an isoclinal"]
[474,11,"syncline that contains pyrite, arsenopyrite and visible gold"]
[474,12,"associated with chlorite and quartz veining. The gold bearing"]
[474,13,"sulphidic zone has a strike length of at least 120 m in the NE part"]
[474,14,"of the iron formation. The highest weighted average obtained from"]
[474,15,"the 1988 drilling was 2.83 g Au/t over 15.27 m core length.  The"]
[474,16,"Slave deposit (approximately 1.2 km ESE of GLC) has thick oxide"]
[474,17,"iron formation as well as silicate iron formation, both are folded"]
[474,18,"and faulted. Gold exists in sulphidic zones which are spatially"]
[474,19,"related to quartz carbonate veins and usually contain chlorite."]
[474,20,"Sulphides include pyrite and arsenopyrite. At Slave Central Fold a"]
[474,21,"drillhole intersected a zone which gave a weighted average of 10."]
[474,22,"94* g/t Au over 10.14 m core length. At Slave Northern Folds, a"]
[474,23,"weighted average of 2.12 g/t Au over 10.55 m core length was"]
[474,24,"obtained.  The Lone Cow Pond deposit (approximately 3.8 km NW of"]
[474,25,"GLC) has a gold bearing zone within a siliceous iron formation and"]
[474,26,"auriferous chloritic greywacke that is interbedded with mudstone."]
[474,27,"Within the sulphide facies arsenopyrite is found up to 30% volume"]
[474,28,"and pyrite ranges from 2-20% locally. White quartz veins 1-10 cm"]
[474,29,"are found within the iron formation and the greywackes."]
[475,1,"The gold bearing zone has two high grade shoots, the larger one"]
[475,2,"plunges approximately 40 degrees NW with a true average width (for"]
[475,3,"grade times width over 10 g*m) of 3.4 m and a down plunge length of"]
[475,4,"430 m. The shoot ranges from 60-110 m in length perpendicular to"]
[475,5,"plunge axis. The highest gold weighted average from drilling in"]
[475,6,"1988 was 16.68* g/t Au over 8.23 m core length.  On March 24 1992"]
[475,7,"a public presentation to the NWT water board gave an undiluted"]
[475,8,"geological resource estimate for the five deposits of the George"]
[475,9,"Lake area as 3.1 million tonnes at a cut grade of 12.41 g/t gold to"]
[475,10,"a 300 m depth.   In 1996 when the George Lake properties changed"]
[475,11,"owners a news release from Arauco Resources Corporation  (July 2,"]
[475,12,"1996) stated that the George Lake property has over 100 surface"]
[475,13,"gold showings which assayed at over 10 g Au/t.  A 1998 press"]
[475,14,"release from Kit Resources Ltd. announced new resource estimates"]
[475,15,"based on a 21,000 m drill program conducted in 1997. Resource"]
[475,16,"estimate as follows: Locale 1: 1,228,000 tonnes @ 10.84 g/t, 428,"]
[475,17,"000 contained ounces gold Locale 2: 1,063,000 tonnes @ 11.62 g/t,"]
[475,18,"397,000 contained ounces gold Lone Cow Pond: 381,000 tonnes @ 10.74"]
[475,19,"g/t, 132,000 contained ounces gold GH: 228,000 tonnes @ 10.22 g/t,"]
[475,20,"75,000 contained ounces gold Slave: 176,000 tonnes @ 9.88 g/t, 56,"]
[475,21,"000 contained ounces gold  All of the mineralization is located"]
[475,22,"less than 300 metres below surface so a portion of the resource can"]
[475,23,"be mined by open pit. The resource was based on a cutof grade of 5"]
[475,24,"grams of gold per tonne. 93-95 percent of the gold would be"]
[475,25,"recovered using carbon in pulp milling techniques.  In July of 1998"]
[475,26,"an independent resource calculation was released in the NOrthern"]
[475,27,"Miner which expanded the size of the gold deposit. It is now"]
[475,28,"estimated to host 6.5 million tonnes averaging 9.76 g/t Au. The"]
[475,29,"increase is attributable to new inferred resources which total 2.22"]
[475,30,"million tonnes of 9.9 grams gold. The indicated resources total 4.2"]
[475,31,"million tonnes grading 9.8 grams gold."]
[476,1,"The Musk massive sulphide occurrences are located in the Hackett"]
[476,2,"River greenstone belt of the Slave structural province. They occur"]
[476,3,"near the transition between a dominantly mafic sequence and an"]
[476,4,"overlying, dominantly sedimentary sequence. This stratigraphic"]
[476,5,"position is generally occupied by a carbonate-rich, felsic"]
[476,6,"pyroclastic-tuff sequence which is well-developed.   The immediate"]
[476,7,"area of the Musk showing is underlain by a sequence of volcanic"]
[476,8,"rocks capped by chemical sediment. The deposit footwall comprises a"]
[476,9,"complexely interbedded sequence of rhyolite tuffs, lapilli tuffs"]
[476,10,"and crystal tuffs together with minor agglomerate and thin"]
[476,11,"rhyolitic flows. Massive sulphides occur near the top of a well-"]
[476,12,"foliated, recrystallized rhyolitic tuff and are manifested in a"]
[476,13,"number of small gossans sporadically developed over a 700 metre"]
[476,14,"strike length. Immediately overlying this mineralized unit are"]
[476,15,"massive pillowed basalt flows characterized by carbonate amygdules"]
[476,16,"and discontinuous zones of carbonate-cemented breccia. This unit is"]
[476,17,"overlain by a series of andesitic tuffs and flows which is in turn"]
[476,18,"overlain by a package of interbedded rhyolitic, rhyodacitic and"]
[476,19,"dacitic tuffs and agglomerates, all of which are carbonate-rich."]
[476,20,"This final sequence is capped by cherty, carbonate-rich tuffites."]
[476,21,"Diamond drilling has intersected two zones of"]
[476,22,"base metal enriched massive sulphides. The upper zone comprises"]
[476,23,"disseminated and poorly bedded to veined sphalerite, galena and"]
[476,24,"chalcopyrite with lesser pyrite and pyrrhotite, in an altered"]
[476,25,"felsic lapilli tuff."]
[477,1,"The lower sulphide horizon consists of massive sphalerite and"]
[477,2,"pyrite together with lesser pyrrhotite and galena. Chalcopyrite is"]
[477,3,"most typically found as stringer veins and disseminations in the"]
[477,4,"basal portions of the mineralized zones although it is present in"]
[477,5,"minor amounts throughout. Rough banding can be seen in some areas"]
[477,6,"and a gradation from a Zn-rich top to Cu-rich base is apparent in"]
[477,7,"most drill intersections.  Footwall alteration consisting of"]
[477,8,"chlorite, biotite, talc, sericite, garnet and minor anthophyllite"]
[477,9,"is variably developed below the mineralized horizon, which itself"]
[477,10,"is strongly silicified and is characterized by moderate chlorite,"]
[477,11,"biotite and carbonate alteration.  Work has been done on the Musk"]
[477,12,"showing area since 1974 and includes: an airborne survey which"]
[477,13,"identified a two line anomaly, this was followed up with geological"]
[477,14,"mapping and geophysical surveys including magnetometer, VLF-EM,"]
[477,15,"VLEM which identified sulphide mineralization in outcrop. Another"]
[477,16,"pass of geophysical surveys were done later on which included"]
[477,17,"gravity fluxgate magnetometer, HLEM, VLEM and VLF-EM as well as"]
[477,18,"geological mapping and diamond drilling (13 ddh totalling 1395 m)."]
[477,19,"A conductor was identified and drilling intersected high grade"]
[477,20,"massive sulphides. A follow up program of diamond drilling was done"]
[477,21,"(23 ddh totalling 2570 m) which outlined a geological inventory of"]
[477,22,"387,000 tons grading 1.2% Cu, 1.39% Pb, 10.38% Zn, 10.87 oz/ton Ag"]
[477,23,"and 0.049 oz/ton Au. Note: this geological inventory is based on a"]
[477,24,"total of 36  diamond drill holes.  The latest (1994) work done on"]
[477,25,"the showing was a DeepEM survey. AR"]
[477,26,"083324"]
[478,1,"The showing is in the predominantly volcanic, north-trending High"]
[478,2,"Lake supracrustal belt, which in this area is a mixed succession of"]
[478,3,"Archean Yellowknife Supergroup metavolcanics and metasediments"]
[478,4,"metamorphosed to lower amphibolite facies, and flanked east and"]
[478,5,"west by late Archean plutons. A structural history involving"]
[478,6,"isoclinal folding, at least 3 generations of fabric formation, and"]
[478,7,"late faulting, is not yet unravelled.                      The"]
[478,8,"geology below is largely derived from Flood (1991)."]
[478,9,"The Ulu area is a lobe of supracrustal rocks on the west"]
[478,10,"margin of the High Lake belt. It is separated from the main part of"]
[478,11,"the belt by a narrow granitic apophysis. The supracrustals comprise"]
[478,12,"a sequence of basalts, greywackes and gabbroic sills, all folded"]
[478,13,"into a 5 km-long, doubly-plunging? anticline. Later Archean"]
[478,14,"feldspar-porphyry and quartz- diorite dykes and Proterozoic diabase"]
[478,15,"dykes transect this sequence.                      Auriferous zones"]
[478,16,"are near the axis of the north-trending anticline. The largest zone,"]
[478,17,"the Flood Zone, strikes NW and dips steeply for 400 m on the west"]
[478,18,"limb of the anticline, near the sediment-filled core. The main part"]
[478,19,"of the zone is 2 - 5 m thick, increasing to 10 m at points of"]
[478,20,"flexure along the roughly tabular body, and has been intersected at"]
[478,21,"depths over 600 m. Lesser developed, en echelon hangingwall and"]
[478,22,"footwall zones have also been recognized as part of the Flood Zone."]
[478,23,"Structural features of note include brecciation and re-brecciation,"]
[478,24,"vein paragneiss, and local mineral segregation in shear banding."]
[478,25,"These point to multiphase brittle and ductile deformation."]
[478,26,"Auriferous zones comprise intense silicification and"]
[478,27,"acicular arsenopyrite development to 5%; arsenopyrite occurs as"]
[478,28,"needle aggregates within veins and fractures and as complete"]
[478,29,"replacement of basalt breccia fragments."]
[479,1,"Gold occurs mainly at quartz-arsenopyrite boundaries. Pyrrhotite,"]
[479,2,"pyrite and minor chalcopyrite are present as well as a variety of"]
[479,3,"alteration minerals (see Mineralization section). An alteration"]
[479,4,"envelope comprising a stockwork of quartz-actinolite veins and"]
[479,5,"biotite-microcline enrichment extends 2 - 5 m from the ore zone."]
[479,6,"This is consistent with the K-enrichment and Na-depletion"]
[479,7,"characteristic of Archean hydrothermal systems."]
[479,8,"Quartz-actinolite veins within the Flood Zone strike more"]
[479,9,"northerly than the zone itself, which is approximately"]
[479,10,"perpendicular to the regional foliation (S3), suggesting a left-"]
[479,11,"stepping en echelon array (Henderson 1993)."]
[479,12,"Reserves are guesstimated by DIAND geologists at over 1 million"]
[479,13,"tonnes of greater than 10 g/t Au."]
[480,1,"The Gumbo Lake Ilmenite deposit is hosted by a late Archean or"]
[480,2,"early Proterozoic mafic complex, intrusive into Archean Yellowknife"]
[480,3,"Supergroup metavolcanics of the Kathawachaga (Southern) segment of"]
[480,4,"the High Lake supracrustal belt. This segment trends NE and is cut"]
[480,5,"off from the High Lake belt proper by, and surrounded by,"]
[480,6,"batholithic intrusions of late Archean granitoids. It has undergone"]
[480,7,"polyphase Archean deformation, and metamorphism to greenschist"]
[480,8,"facies.                      The host mafic complex intruded NE to"]
[480,9,"north striking, moderately to steeply west dipping massive basalts"]
[480,10,"and tuffaceous dacites at the extreme northeast end of the"]
[480,11,"Kathawachaga segment. The gabbro-norite and leuconorite complex is"]
[480,12,"elongated NNE and shallowly dipping.                      A roughly"]
[480,13,"circular, more mafic component of the complex, near its centre,"]
[480,14,"comprises noritic metagabbro. This varies from meso to leucocratic,"]
[480,15,"and from diabasic to porphyritic and cumulate-textured. Ilmenite in"]
[480,16,"this central mafic part of the complex is ubiquitous as an"]
[480,17,"accessory, and in two significant pods varies from 10% to 70% of"]
[480,18,"the rock. The Eastern and Western pods, 400 m apart, were gridded"]
[480,19,"and sampled at 7.6 m intervals, but roughly half the 105 samples"]
[480,20,"were destroyed by fire before assaying, leaving 34 from the Eastern"]
[480,21,"grid and only 8 from the Western. From these a rough approximation"]
[480,22,"of tonnage was arrived at for the Eastern zone (AR 080184), with"]
[480,23,"grades somehow higher than any of the component sample assays: 252,"]
[480,24,"000 square ft (61,550 tons/vertical ft) at 18.42% Fe, 0.22% V and"]
[480,25,"11.86% Ti. The surface expression of the pod is approximately 600 m"]
[480,26,"long in a northerly direction and 100 m across, though"]
[481,1,"Its grade is estimated to be at least equal to that of the Eastern"]
[481,2,"pod; 3 samples along 15.2 m averaged 15.50% Fe, 0.16% V and 9.60%"]
[481,3,"Ti.                      Numerous granitic dykes intrude the"]
[481,4,"complex.                      Roscoe (GSC Paper 1985-1A) suggests"]
[481,5,"the complex is part of the Booth River Intrusive Suite, a layered"]
[481,6,"mafic/ultramafic complex 60 km to the east, intruded after Archean"]
[481,7,"granitoids and before Aphebian Goulburn Group sediments."]
[482,1,"The Anialik River Intrusive Complex hosts the North Vein, which"]
[482,2,"includes the North Central Vein deposit at its northeast end and"]
[482,3,"the North Vein South Zone showing at its southwest end, as well as"]
[482,4,"numerous other auriferous, shear-hosted quartz veins collectively"]
[482,5,"known as the Arcadia or Coronation Gulf showings. Relief in the"]
[482,6,"area is approximately 60 m, exposure about 50%.  The complex is an"]
[482,7,"elliptical, NNE-trending, 35 by 15 km pluton whose gold showings"]
[482,8,"are concentrated in the northwest portion. Its dominant phase is a"]
[482,9,"variably deformed and altered leucotonalite with subordinate"]
[482,10,"trondhjemite. Locally intermixed mesotonalite forms a variety of"]
[482,11,"migmatitic textures. Such rocks host most of the North Vein system,"]
[482,12,"including North Central Vein. Mafic phases and intensity of"]
[482,13,"deformation in the pluton increase toward its margins, so that a"]
[482,14,"margin-parallel band of mesotonalite hosts the southwest end of the"]
[482,15,"North Vein system, and grades west into the mafic marginal phase"]
[482,16,"(Abraham 1989), a heterogeneously deformed band of foliated,"]
[482,17,"sheared or migmatitic diorite, mesotonalite, and gabbro. The actual"]
[482,18,"contact of the pluton with supracrustals, approximately 1km west of"]
[482,19,"North Central Vein, is the sheeted zone of Abraham, a 200 - 800 m"]
[482,20,"wide shear zone comprising mylonitized equivalents of: plutonic"]
[482,21,"rocks; metavolcanics; and numerous, foliation-parallel,"]
[483,1,"Recent dates from the volcanic belt give roughly the same span of"]
[483,2,"activity yielded by the tonalites, minus the oldest date"]
[483,3,"(Villeneuve 1992 dates referred to by C.Relf, Geoscience Forum,"]
[483,4,"DIAND Yellowknife 1992).  The pluton is cut by at least five"]
[483,5,"generations of dykes: sheared, boudinaged and chloritized gabbro"]
[483,6,"dykes; later (syn-intrusion?) intermediate dykes; and three sets of"]
[483,7,"felsic dykes distinguished by orientation. Two of the felsic sets"]
[483,8,"are sheared, boudinaged, folded and locally mylonitized, and may"]
[483,9,"have been loci for development of shear zones; they are locally"]
[483,10,"mineralized where they occur in auriferous shears (eg. North"]
[483,11,"Central Vein). The third set of felsic dykes commonly cross-cuts"]
[483,12,"the other two but locally is cross-cut by them, and never cross-"]
[483,13,"cuts mineralized shears. All are regarded as pre to syn-shearing."]
[483,14,"Syn to post-tectonic granitoid plutons intrude the complex and the"]
[483,15,"surrounding volcanics 6 km southwest and 2 km northwest of the"]
[483,16,"deposit. Late Proterozoic diabase dykes trend northwest throughout"]
[483,17,"the area, and Proterozoic gabbro sills cap the Archean rocks"]
[483,18,"approximately 3.5 km north of the deposit.  The pluton records two"]
[483,19,"phases of Archean deformation (Abraham 1989, 1990, 1991) although"]
[483,20,"three are recognized in the surrounding supracrustals (Relf 1992)."]
[483,21,"D1 apparently coincided with diapir emplacement and generated a"]
[483,22,"margin-parallel foliation throughout the complex and some isoclinal"]
[483,23,"folding in the western portion. Metamorphism of the surrounding"]
[483,24,"volcanics to amphibolite grade and development in them of a margin-"]
[483,25,"parallel S1, also took place at this time."]
[484,1,"D2 is thought by Abraham to have been a regional translational"]
[484,2,"shearing event. It produced a mild to intense, northerly to"]
[484,3,"northeasterly fabric in the complex, as well as discrete zones of"]
[484,4,"mylonitization including four major shears and dozens of minor ones."]
[484,5,"All the mineralized shears are thought to be D2. Most of them"]
[484,6,"strike NE but some strike NNW.  The last deformation was"]
[484,7,"Proterozoic east to west, dextral and sinistral faulting which"]
[484,8,"offset Archean fabrics and late diabase dykes.  North Central Vein"]
[484,9,"belongs to the North Vein system, which is exposed intermittently"]
[484,10,"in anastomosing shears for 5.5 km. The North Central Vein is"]
[484,11,"thought to have developed by fracture-controlled, multiple-stage"]
[484,12,"quartz injections. It consists of quartz stringers, pods and lenses,"]
[484,13,"and locally of quartz matrix to a breccia of mylonitic wall-rock"]
[484,14,"fragments. The North Central Vein strikes northeast for 700 m and"]
[484,15,"is approximately 1.5 m wide. Gold mineralization is found within"]
[484,16,"the quartz, and within cross-cutting, mylonitized felsic dykes."]
[484,17,"Quartz was apparently injected in three stages, the first two late"]
[484,18,"in the D2 event (Abraham). Gold has so far been identified in the"]
[484,19,"first stage only, associated with highly deformed pyrite. The"]
[484,20,"second stage relates to extensive hydrofracturing and euhedral"]
[484,21,"pyrite. The third consists of post-tectonic quartz-(carbonate) in-"]
[484,22,"filling and often contains specular hematite.  The age of the syn-"]
[484,23,"shearing mineralization is bounded by the youngest tonalite age"]
[484,24,"(2682 +/- 2Ma) and the age of the post-tectonic Chin Lake Stock, 6"]
[484,25,"km SW of the deposit (2602 +/- 2Ma). A hydrothermal alteration"]
[484,26,"event at 2670Ma is recorded in titanite from the North Central Vein"]
[484,27,"hanging wall; this may be related to the mineralizing event"]
[484,28,"(Abraham 1990)."]
[485,1,"Excitement over the North Central Vein was generated in the 1960s"]
[485,2,"when 320 feet at its south end was opened by 10 trenches averaging"]
[485,3,"0.84 oz/ton Au across 5 ft, four trenches along 160 ft in the"]
[485,4,"middle averaged 0.48 oz/ton across 4 ft, and 26 trenches along 1200"]
[485,5,"ft at the north end averaged 0.33 oz/ton across 5 ft. By 1987, the"]
[485,6,"Vein had been tested by 74 trenches, over 150 drill holes and three"]
[485,7,"bulk samples. Reserves of 160,772 tons of 0.353 oz/ton Au proven,"]
[485,8,"probable and possible, and of 737,000 tons of 0.205 oz/ton Au"]
[485,9,"proven and probable, have been outlined using different methods"]
[485,10,"with the same data (see Reserves section of this report).  The No."]
[485,11,"11 Vein of 1965 is just northeast of the 1965 North Vein, perhaps"]
[485,12,"part of the same system. It returned trench sample assays averaging"]
[485,13,"13.03 g/t Au across 1.4 m and 60 g/t across 0.9 m. Its relationship"]
[485,14,"to the current North Central Vein is uncertain; it is definitely"]
[485,15,"nearby and may be regarded as part of it."]
[486,1,"The Anialik River Intrusive Complex hosts the Fred Vein deposit and"]
[486,2,"numerous other auriferous, shear-hosted quartz veins collectively"]
[486,3,"known as the Arcadia or Coronation Gulf showings. Relief in the"]
[486,4,"area is approximately 60 m, exposure about 50%.  The complex is an"]
[486,5,"elliptical, NNE-trending, 35 by 15 km pluton whose gold showings"]
[486,6,"are concentrated in the northwest portion. Its dominant phase is a"]
[486,7,"foliated to gneissic leucotonalite with subordinate trondhjemite."]
[486,8,"Locally intermixed mesotonalite forms a variety of migmatitic"]
[486,9,"textures. Such rocks host the Fred Vein. Mafic phases and intensity"]
[486,10,"of deformation in the pluton increase toward its margins, through a"]
[486,11,"margin-parallel band of mesotonalite to a heterogeneously deformed"]
[486,12,"band of foliated, sheared or migmatitic diorite, mesotonalite, and"]
[486,13,"gabbro (the mafic marginal phase of Abraham 1989). The actual"]
[486,14,"contact of the pluton with supracrustals, approximately 1.5 to 2 km"]
[486,15,"west of Fred, is the sheeted zone of Abraham, a 200 to 800 m wide"]
[486,16,"shear zone comprising mylonitized equivalents of plutonic rocks,"]
[486,17,"metavolcanics, and foliation-parallel felsic dykes.  The complex is"]
[486,18,"covered in the north by water. It is surrounded on all other sides"]
[486,19,"by predominantly felsic metavolcanics of the Anialik River volcano-"]
[486,20,"(sedimentary) belt, and is thought by Abraham (1990, 1991) to be"]
[486,21,"largely coeval with them and emplaced diapirically into them. (For"]
[486,22,"age dating, see the North Central Vein entry in this database.) It"]
[486,23,"is cut by a set of altered mafic dykes, another of intermediate"]
[486,24,"dykes, and three sets of felsic dykes. All are pre to syn-shearing."]
[487,1,"Syn to post-tectonic granitoid plutons intrude the complex, and the"]
[487,2,"surrounding volcanics, 8 km southwest and 3 km northwest of the"]
[487,3,"deposit. Late Proterozoic diabase dykes trend northwest, and"]
[487,4,"Proterozoic gabbro sills cap the Archean rocks approximately 3.5 km"]
[487,5,"north of the deposit.  The pluton records two phases of Archean"]
[487,6,"deformation (Abraham 1989, 1990, 1991) and one of Proterozoic"]
[487,7,"faulting (for more detail see North Central Vein). All the"]
[487,8,"mineralized shears are thought to be D2. Most of them strike NE but"]
[487,9,"some strike NNW. Quartz injection and gold mineralization took"]
[487,10,"place late in D2.  The Fred Vein is roughly 250 m long. Its"]
[487,11,"relationship to the Pick and Northwest Veins of 1965 is uncertain"]
[487,12,"but it is probably nearby. Pick was opened in 13 trenches which ran"]
[487,13,"from 2.74 g/t Au across 0.3 m to 30.86 g/t across 1.22 m. Northwest"]
[487,14,"Vein yielded a grab of 78.17 g/t and a best chip of 26.06 g/t"]
[487,15,"across 0.5 m. In the Fred Vein, reserves of 38,338 tons of 0.44 oz/"]
[487,16,"ton Au proven, probable and possible, and of 101,000 tons of 0.25"]
[487,17,"oz/ton Au proven and probable, have been outlined using different"]
[487,18,"methods with the same data (see Reserves section of this report)."]
[488,1,"The High Lake AB Zone is within the north-trending High Lake"]
[488,2,"supracrustal belt, which comprises mainly Archean Yellowknife"]
[488,3,"Supergroup metavolcanics.  The High Lake deposits are hosted by a"]
[488,4,"200 m wide unit of altered and sheared, felsic and intermediate"]
[488,5,"pyroclastics, consisting of fragments of dacite and siliceous"]
[488,6,"rhyolite in an andesitic to dacitic matrix.  A rhyolitic flow and"]
[488,7,"narrow bands or lenses of carbonate-cemented, felsic breccia are"]
[488,8,"interbedded with the pyroclastics of this unit, east of the"]
[488,9,"deposits. This unit is part of a north-striking, steeply dipping"]
[488,10,"succession, and is underlain to the east by massive, pillowed and"]
[488,11,"tuffaceous andesites and dacites, and overlain to the northwest by"]
[488,12,"rhyolite or rhyodacite tuffs.  The AB Zone, approximately 600 m"]
[488,13,"north of the D Zone (separate report in this database), is a series"]
[488,14,"of subconformable, Cu-rich, stringer-dominated sulphide lenses,"]
[488,15,"striking northeast and plunging north, within intensely altered"]
[488,16,"rocks (see Mineralogy). The zone measures maybe 150 by 75 by 75 m;"]
[488,17,"it is exposed on surface as two discontinuous, NE-trending gossans,"]
[489,1,"These range from hornblende-hornfels metamorphism and"]
[489,2,"recrystallization, to the development of dalmatianite in the"]
[489,3,"already-altered ore host (see Mineralogy).  A younger, late Archean,"]
[489,4,"granitic batholith is exposed approximately 3km east of the"]
[489,5,"deposit.  Deformational history involving at least two phases of"]
[489,6,"Archean folding is obscured by intense northerly shearing and"]
[489,7,"common northwesterly faulting. The AB Zone itself is sheared and"]
[489,8,"cut by faults. A 1 m wide, late Proterozoic diabase dyke cuts north"]
[489,9,"through the deposit area, and a 10 m wide one follows a NW-trending"]
[489,10,"fault through both the AB and D Zones, offsetting the latter by"]
[489,11,"about 40 m dextrally. The Kennarctic River, 1 km east of the"]
[489,12,"deposit, traces a regional, north-trending shear zone."]
[490,1,"The High Lake D Zone is within the north-trending High Lake"]
[490,2,"supracrustal belt, which comprises mainly Archean Yellowknife"]
[490,3,"Supergroup metavolcanics.  The High Lake deposits are hosted by a"]
[490,4,"200 m wide unit of altered and sheared, felsic and intermediate"]
[490,5,"pyroclastics, consisting of fragments of dacite and siliceous"]
[490,6,"rhyolite in an andesitic to dacitic matrix.  A rhyolitic flow and"]
[490,7,"narrow bands or lenses of carbonate-cemented, felsic breccia are"]
[490,8,"interbedded with the pyroclastics of this unit, east of the"]
[490,9,"deposits. This unit is part of a north-striking, steeply dipping"]
[490,10,"succession, and is underlain to the east by massive, pillowed and"]
[490,11,"tuffaceous andesites and dacites, and overlain to the northwest by"]
[490,12,"rhyolite or rhyodacite tuffs.  The D Zone polymetallic deposit,"]
[490,13,"approximately 600 m south of the AB deposit, is a NE-striking, W-"]
[490,14,"dipping, 100 m long by 100 m deep zone, ranging from 18 m thick"]
[490,15,"near surface to 60 m at depth. It comprises mainly finely"]
[490,16,"disseminated, and locally stringer and banded, sulphides within"]
[490,17,"intensely altered rocks (see Mineralogy). The E zone, 180 m east of"]
[490,18,"D Zone, and the C zone, approximately 300 m north of D Zone, are"]
[490,19,"included here with the D Zone. They have generally"]
[491,1,"These range from hornblende-hornfels metamorphism and"]
[491,2,"recrystallization to the development of dalmatianite in the already-"]
[491,3,"altered ore host (see Mineralogy).  A younger, late Archean,"]
[491,4,"granitic batholith is exposed approximately 3 km east of the"]
[491,5,"deposit.  Deformational history involving at least two phases of"]
[491,6,"Archean folding is obscured by intense northerly shearing and"]
[491,7,"common northwesterly faulting. The D Zone itself is sheared and"]
[491,8,"faulted. A 1 m wide, late Proterozoic diabase dyke cuts north"]
[491,9,"through the deposit area, and a 10 m wide one follows a NW-trending"]
[491,10,"fault through both the AB and D Zones, offsetting the latter by"]
[491,11,"about 40 m dextrally. The Kennarctic River, 1 km east of the"]
[491,12,"deposit, traces a regional, north-trending shear zone."]
[492,1,"The Pistol Lake iron formation-hosted gold deposit is located in a"]
[492,2,"supracrustal basin in the northern part of the Slave structural"]
[492,3,"province. All stratified rocks have been metamorphosed to lower"]
[492,4,"amphibolite facies. Significant gold mineralization is present in"]
[492,5,"two iron formations (IFs) situated within a tightly folded and"]
[492,6,"overturned sequence of medium grade turbiditic sediments dipping"]
[492,7,"west at about 40 degrees. Host turbidites are distal in character,"]
[492,8,"exhibiting A(D)E divisions of the Bouma sequence. The older iron"]
[492,9,"formation is silicate facies and hosts the F and Farney auriferous"]
[492,10,"zones while the younger is oxide facies and hosts the G Zone. The"]
[492,11,"iron formations are separated by about 225 metres of metasediment."]
[492,12,"No metavolcanic rocks are present in the immediate area. A late"]
[492,13,"granitoid intrusive cuts the sequence about 2 km north of the gold"]
[492,14,"occurrences. The silicate iron formation is up to 10 metres thick"]
[492,15,"and is banded on a number of scales, from mm sized laminae of"]
[492,16,"amphibole, chert and biotite-garnet schist to decimetre scale"]
[492,17,"intercalations of iron formation with clastic sediments."]
[492,18,"Significant levels of gold occur in highly siliceous iron formation"]
[492,19,"where it is deformed into 50 - 150 metre scale folds. Away from"]
[492,20,"these folds, the iron formation decreases both in thickness, silica"]
[492,21,"content and the number of included amphibolitic bands. Sulphide"]
[492,22,"minerals include pyrrhotite and arsenopyrite, the latter commonly"]
[492,23,"containing cores of loellingite. Pyrrhotite occurs most commonly in"]
[492,24,"fine grained laminae while arsenopyrite usually forms larger"]
[492,25,"subhedral to euhedral crystals, often scattered along pyrrhotitic"]
[492,26,"laminae and in aggregates in the vicinity of cross-cutting quartz"]
[492,27,"veins. Gold occurs as 5 - 100 micron grains in arsenopyrite,"]
[492,28,"frequently at the boundary between that mineral and its loellingite"]
[492,29,"core."]
[493,1,"The oxide iron formation is composite in that it consists of a"]
[493,2,"series of stacked facies types with an aggregate thickness on the"]
[493,3,"order of 50 metres. A basal horizon of silicate IF is successively"]
[493,4,"overlain by finely laminated oxide IF, silicate IF, graphitic chert"]
[493,5,"and a series of decimetre scale intercalated amphibolite and"]
[493,6,"clastic metasedimentary beds. Significant levels of gold occur in"]
[493,7,"the G Zone, situated at the base of the laminated oxide IF unit"]
[493,8,"where stratabound arsenopyrite-pyrrhotite mineralization is"]
[493,9,"associated with irregular quartz veins and masses along with"]
[493,10,"recrystallized silicate minerals. Recrystallized areas commonly"]
[493,11,"exhibit disrupted and brecciated textures, with variably"]
[493,12,"mineralized fragments in a matrix of silicate and sulphide minerals."]
[493,13,"Two main types of sulphide distribution exist. The most important"]
[493,14,"in terms of gold content is characterized by ragged blebs and"]
[493,15,"coarse disseminations of pyrrhotite occurring in recrystallized"]
[493,16,"areas proximal to quartz veins. Arsenopyrite is almost always"]
[493,17,"present and occurs as subhedral crystals and crystal aggregates. It"]
[493,18,"often contains inclusions of pyrrhotite and cores of loellingite."]
[493,19,"Gold is found as grains up to 100 microns across in arsenopyrite,"]
[493,20,"often at the boundary with loellingite, and as larger grains up to"]
[493,21,"2 mm across in the silicate matrix. Visible gold is commonly"]
[493,22,"observed in drill core. The second type of mineralization preserves"]
[493,23,"the morphology of laminated oxide IF except that magnetite is"]
[493,24,"replaced to a variable extent by pyrrhotite. Where replacement is"]
[493,25,"extensive, crystals of arsenopyrite are scattered along pyrrhotite-"]
[493,26,"rich bands. Gold is present in the former as grains up to 10"]
[493,27,"microns across."]
[494,1,"Numerous trenches were opened and sampled, and a total of about 11,"]
[494,2,"080 metres in 66 diamond drill holes were drilled, mainly in the F,"]
[494,3,"G and Farney zones (Farney is covered in a separate report),"]
[494,4,"between 1964 and 1988. A small amount of this information is"]
[494,5,"published in Assessment Reports, including such F Zone"]
[494,6,"intersections as 34 g/t Au over 3.0 m and 36 g/t over 1.5 m in hole"]
[494,7,"PL-1, and 7.9 g/t over 1.5 m, 12.5 g/t over 3.0 m and 3.8 g/t over"]
[494,8,"1.5 m in PL-2, and trench samples of 18.5 g/t Au across 0.9 m from"]
[494,9,"F Zone and 27.4 g/t across 0.6 m in G Zone. Most of the results,"]
[494,10,"however, are not public. Reserves in the northern part of F Zone"]
[494,11,"were estimated in 1984 at 218,337 indicated tonnes averaging 14.78"]
[494,12,"g/t Au, and reserves in F and G Zones combined were estimated in"]
[494,13,"1985 at 489,880 tonnes at 13.92 g/t Au (Silver Hart Mines Letter to"]
[494,14,"Shareholders)."]
[495,1,"The Turner Lake area lies in the NE corner of the Slave Province,"]
[495,2,"just west of Bathurst Inlet, toward the north end of the Hood River"]
[495,3,"Sedimentary Belt. This belt is a roughly H-shaped, NE-trending area"]
[495,4,"underlain by Archean Yellowknife Supergroup clastic sediments and"]
[495,5,"minor volcanics, locally intruded by pre-metamorphic amphibolitic"]
[495,6,"bodies. It has been affected by at least two phases of Archean"]
[495,7,"deformation, metamorphosed up to middle amphibolite facies, and is"]
[495,8,"flanked and locally invaded by late Archean granitic rocks. It is"]
[495,9,"cut off at its NE end by the Bathurst Fault, which has juxtaposed"]
[495,10,"Aphebian Goulburn Group sediments, to the east, against the Archean"]
[495,11,"rocks, to the west. Late Proterozoic gabbro sills and diabase dykes"]
[495,12,"intrude all other lithologies.  The Turner Lake area is"]
[495,13,"characterized by 30 - 130 m relief and approximately 60% outcrop,"]
[495,14,"ranging from extensive in uplands to none in valleys (AR 082608)."]
[495,15,"The deposit itself is poorly exposed. It lies about 800 m west of"]
[495,16,"Turner Lake, in an area underlain mainly by turbiditic greywackes"]
[495,17,"and minor argillites in a steeply dipping, E-facing, N-striking"]
[495,18,"homoclinal succession. Interbedded with or conformably intruding"]
[495,19,"the sediments are beds of polymict, clast-supported conglomerate,"]
[495,20,"metadiorite synvolcanic? sills, banded amphibolitic rocks, and the"]
[495,21,"host mineralized amphibole-plagioclase schist, all belonging to the"]
[495,22,"Yellowknife Supergroup, and sheets of granodiorite of later Archean"]
[495,23,"age. Pods of pegmatite cross-cutting these lithologies are probably"]
[495,24,"related to the undeformed, late Archean granitic batholith exposed"]
[495,25,"2.5 km west of the deposit. A plug of undeformed but metamorphosed,"]
[495,26,"Proterozoic? (Schaan 1992) olivine gabbro intrudes the sediments 2."]
[495,27,"4 km south of the deposit and hosts significant Ni mineralization"]
[495,28,"(the Nickel Knob showing)."]
[496,1,"NW-trending diabase and gabbro dykes and sills of at least 2"]
[496,2,"Proterozoic generations are exposed near the deposit as well."]
[496,3,"The high degree of deformation and alteration within"]
[496,4,"the older Archean rocks has hampered determination of protoliths. A"]
[496,5,"N to NNE-striking, braided shear zone transects the region, leaving"]
[496,6,"rocks within and to either side of it with a pronounced shear"]
[496,7,"fabric. 300 m to 1000 m scale drag folds are well developed on the"]
[496,8,"east side of the shear. The Turner Lake Main Gold deposit lies in"]
[496,9,"the nose and on the north limb of one such 300 m wide, E-closing"]
[496,10,"fold.                      The fold is defined primarily by a"]
[496,11,"banded (feldspar?) chlorite? biotite-amphibole schist or gneiss,"]
[496,12,"perhaps an altered mafic or ultramafic intrusive or mafic extrusive"]
[496,13,"(see Comments under Host Lithology). The structure plunges almost"]
[496,14,"vertically, closing to the east about a steeply dipping, E-W axial"]
[496,15,"plane. The north and south limbs form an angle of approximately 60"]
[496,16,"degrees and dip steeply south and north, respectively. Metadiorite"]
[496,17,"lies in the core of the fold, and metasediments surround it, along"]
[496,18,"with a metadiorite"]
[497,1,"Gold is associated with sulphides, which are associated with quartz"]
[497,2,"veining. The principal sulphides are pyrrhotite, which is"]
[497,3,"disseminated throughout the quartz-veined rock, and arsenopyrite,"]
[497,4,"which is concentrated in and around the quartz veins themselves."]
[497,5,"The quartz veins are of more than one generation, and some are"]
[497,6,"marked by hornblende - cordierite - sillimanite? garnet selvages"]
[497,7,"which may be hydrothermal alteration assemblages further altered by"]
[497,8,"regional metamorphism (Clode 1987). The best gold tenors are in the"]
[497,9,"nose of the fold and in the noseward portion of the north limb.  A"]
[497,10,"regional foliation strikes NE and dips steeply NW (AR 082608)."]
[497,11,"Movement on the major N to NNE shear was sinistral, and localized E-"]
[497,12,"W folds with associated axial planar foliations, such as hosts the"]
[497,13,"Main Gold deposit, may have formed as drag folds during the"]
[497,14,"shearing event (AR 082608, Clode 1987, Schaan 1990).  Metamorphic"]
[497,15,"grade is middle amphibolite, except within the shear zone where"]
[497,16,"upper amphibolite conditions and incipient melting have produced a"]
[497,17,"sillimanite - cordierite - microcline gneiss from a granodioritic"]
[497,18,"or pelitic protolith (Clode, 1987, AR 082608).  Based on earlier"]
[497,19,"subdivisions (eg. AR 017152), the deposit is here described in 3"]
[497,20,"zones and a fourth sample location: the easternmost Nose zone"]
[497,21,"(weighted average chip samples including 8.42 g/t Au across 13.7 m),"]
[497,22,"NC (north-central) zone approximately 250 m WNW of Nose (chips"]
[497,23,"including 11.17 g/t across 5.4 m), NW (northwest) zone"]
[497,24,"approximately 400 m WNW of Nose (chips including 17.76 g/t Au"]
[497,25,"across 1.8 m), and W (west) location approximately 600 m WNW of"]
[497,26,"Nose, which yielded anomalous grabs (5 and 18 g/t) apparently from"]
[497,27,"float transported from the other zones."]
[498,1,"Reported DDH intersections tend to be lower grade, except some"]
[498,2,"recent holes (Silver Hart Annual Report 1987) which cut such"]
[498,3,"intersections as 8.9m grading 12.86 g/t. A 1987 reserve estimate"]
[498,4,"based on 17 widely-spaced DDH and chip and panel chip samples from"]
[498,5,"47 trenches, mostly in and near the Nose zone, is 1.18 million"]
[498,6,"tonnes grading 5.35 g/t Au."]
[499,1,"Boston is a gold-bearing shear zone located in the southern portion"]
[499,2,"of the Hope Bay Greenstone Belt.  The Belt is composed of volcanic"]
[499,3,"and sedimentary rocks of Archean aged.  The shear has a strike"]
[499,4,"length of approximately 70 kilometres.    The mineralized shear was"]
[499,5,"first dicovered in 1988 by Abermin Corporation who outlined 9"]
[499,6,"kilometres of intense quartz-carbonate shearing.  Government"]
[499,7,"geologists from RWED and DIAND provided follow up mapping of the"]
[499,8,"area.  The Boston claims were staked in 1991 by BHP Minerals Canada"]
[499,9,"Ltd. and exploration on the property commensed sortly afterwards."]
[499,10,"By 1997 an underground ramp was developed into the shear zone and"]
[499,11,"over 50,700 metres of coring was completed.  A resource calculation"]
[499,12,"was also preformed on Boston resulting in figures of  2 to 3"]
[499,13,"million ounces of gold (reference RWED RWED, MOG Book (1997))."]
[500,1,"The various mineralized zones comprising the Great Slave Reef"]
[500,2,"Mississippi Valley type Pb-Zn deposits are located in the Pine"]
[500,3,"Point Pb-Zn district immediately south of Great Slave Lake."]
[500,4,"Mineralization occurs in a large, middle Devonian barrier reef"]
[500,5,"complex separating two depositional basins in the Interior Platform,"]
[500,6,"the northern Mackenzie shale-carbonate basin and the southern Elk"]
[500,7,"Point evaporite-carbonate basin. The reef complex consists of a"]
[500,8,"lower Pine Point Formation buildup of skeletal-derived carbonate"]
[500,9,"sands and muds, and an upper Sulphur Point Formation buildup of"]
[500,10,"biohermal to bioclastic limestone.  Most of the Pine Point district"]
[500,11,"Pb-Zn mineralization was deposited in interconnected paleokarst"]
[500,12,"networks that developed at the lower limits of coarse dolomite"]
[500,13,"alteration (known as Presquile dolomite) within the Sulphur Point"]
[500,14,"limestones. The karst networks are present in two main zones known"]
[500,15,"as the North and Main trends. Sphalerite, galena, pyrite and"]
[500,16,"marcasite occur as replacements and open-space fillings within"]
[500,17,"karst openings and in vuggy wall-rock peripheral to the karst"]
[500,18,"openings.  The Great Slave Reef deposits are situated immediately"]
[500,19,"west of the Pine Point property at depths between 150 and 300 m."]
[500,20,"Grid drilling resulted in the discovery of four deposits. Two more"]
[500,21,"were discovered through followup work on IP anomalies and one"]
[500,22,"deposit was found on the basis of geological and trace element data."]
[500,23,"By the end of 1981, a total of seven deposits containing an"]
[500,24,"aggregate tonnage of 7.25 million tonnes grading 10.3% combined Pb"]
[500,25,"and Zn had been outlined."]
[501,1,"The XL base metal massive sulphide prospect is located in the"]
[501,2,"Turnback Lake area. It lies in the Beaulieu Volcanic Belt, a"]
[501,3,"supracrustal belt in the Archean Slave structural province."]
[501,4,"Volcanism in this portion of the greenstone belt commenced with the"]
[501,5,"eruption of the tholeiitic Tumpline Basalt and concluded with an"]
[501,6,"approximately equal volume of felsic volcanics referred to as the"]
[501,7,"Turnback Rhyolite. Metaturbidites of the Burwash Formation overlie"]
[501,8,"the Turnback Rhyolite. A carbonate exhalite unit is commonly"]
[501,9,"developed at the contact between them. Volcanics and sediments, all"]
[501,10,"part of the Yellowknife Supergroup, are metamorphosed to"]
[501,11,"amphibolite facies. Stratified rocks are strongly deformed around"]
[501,12,"the Sleepy Dragon Complex.  The XL prospect was discovered in 1937"]
[501,13,"by prospectors Lars Johnson and Garfield Smith, and was optioned by"]
[501,14,"Westfield Mining Company Ltd. in 1938. Westfield drilled 14 holes"]
[501,15,"totalling 2450 ft, excavated 15 trenches, completed geological"]
[501,16,"mapping at a scale of 1:480 and conducted a dip needle survey. No"]
[501,17,"direct record of this work exists and the desciption below, as well"]
[501,18,"as the description of mineralization, is taken from summaries by W."]
[501,19,"M. Little in AR 017321 and C.S. Lord in GSC Memoir 261."]
[501,20,"Mineralization tends to occur within the Burwash Formation along or"]
[501,21,"near the contact between it and the Turnback Rhyolite, in places"]
[501,22,"within the carbonate exhalite between them. It has been divided"]
[501,23,"into four zones, the A, B, C and N. These appear to lie within a 40"]
[501,24,"m thick stratigraphic interval over a total strike of about 600 m"]
[501,25,"but are separated by intervals of relatively weak mineralization."]
[501,26,"In parts of the 40 m interval, only one sulphidic band is present,"]
[501,27,"while in other parts, four or more occur over the 40 m."]
[502,1,"Massive and disseminated pyrrhotite, sphalerite, chalcopyrite,"]
[502,2,"galena and pyrite are present (in that order of abundance). The N"]
[502,3,"zone occurs in amphibolite and differs somewhat in that it consists"]
[502,4,"of a large number of discontinuous stringers and fine"]
[502,5,"disseminations of chalcopyrite, along with about 1% pyrrhotite as"]
[502,6,"fine disseminations. Very minor sphalerite and a few specks of"]
[502,7,"native copper are also present. AR 082901 notes the abundant"]
[502,8,"development of a needle-like amphibole in the vicinity of the XL"]
[502,9,"deposit and the OK deposit to the southwest. This is tentatively"]
[502,10,"interpreted as the metamorphic derivative of hydrothermal"]
[502,11,"alteration in the enclosing rocks.  AR 017321 estimates a reserve"]
[502,12,"of 910 tons per vertical foot at a grade of 6% Zn, 2% Cu, 1.5% Pb"]
[502,13,"and 3 oz/ton Ag. Apparently, drilling by Westfield suggested that"]
[502,14,"mineralization was cut off by granite at a depth of about 200 feet"]
[502,15,"at the A zone and would probably be truncated above a 500 foot"]
[502,16,"depth elsewhere. AR 082654 restates the reserve figure as an"]
[502,17,"aggregate reserve of 180,000 tons at the same grades and to a depth"]
[502,18,"of 90 m."]
[503,1,"The Sunrise volcanogenic massive sulphide deposit occurs in the"]
[503,2,"Beaulieu River supracrustal belt, a predominantly volcanic belt in"]
[503,3,"the Archean Slave structural province. All stratified rocks in the"]
[503,4,"belt belong to the Yellowknife Supergroup, the volcanics in the"]
[503,5,"Sunset Lake area belonging to the Beaulieu Group. The stratigraphic"]
[503,6,"sequence forming the footwall of the deposit begins with a"]
[503,7,"rhyolitic lapilli tuff to agglomerate known as the Western Rhyolite,"]
[503,8,"and continues upward with tuffaceous argillite, sericitic felsic"]
[503,9,"tuff and rhyolitic pyroclastic breccia. Sulphide mineralization"]
[503,10,"occurs at the contact of the pyroclastic breccia with an overlying,"]
[503,11,"sericitized and occasionally chloritized, fine grained felsic tuff."]
[503,12,"Immediately overlying these mineralized and altered units is a"]
[503,13,"mafic package including intermediate to mafic pillowed flows and"]
[503,14,"lapilli tuffs. This is in turn overlain by a felsic package"]
[503,15,"including sericitized quartz eye rhyolitic tuff, argillite,"]
[503,16,"intermediate flows and felsic fragmentals, and then by a thick"]
[503,17,"package of intermediate to mafic flows. The sequence generally"]
[503,18,"strikes northnorthwesterly and dips to the east at 65 - 80 degrees."]
[503,19,"A sinistral NE fault, named the Campsite Fault, has offset"]
[503,20,"stratigraphy by about 1400 metres. The Bear massive sulphide"]
[503,21,"deposit owned by Silver Hart Mines Ltd. across the fault appears to"]
[503,22,"be at the same stratigraphic level as the Sunrise deposit."]
[503,23,"Sulphide mineralization includes pyrite, sphalerite and"]
[503,24,"galena with lesser tetrahedrite, arsenopyrite, pyrrhotite and"]
[503,25,"chalcopyrite. Other metallic minerals identified to date include"]
[503,26,"pyrargyrite, boulangerite, native silver, native gold, gudmundite"]
[503,27,"and stannite. The base of the sulphidic sequence is constituted by"]
[503,28,"a layer of semi-massive sulphides which is actually a strongly"]
[503,29,"brecciated rhyolite with a sulphide matrix."]
[504,1,"The main sulphide lens includes very well banded, fine to medium"]
[504,2,"grained material together with massive, coarse grained sulphides,"]
[504,3,"the latter being brecciated in places. Coarse lithic fragments"]
[504,4,"within the sulphide horizon suggests proximity to a vent."]
[504,5,"Footwall stringer mineralization is described only as"]
[504,6,"minor stringers of sphalerite and galena, patchy pyrite and minor"]
[504,7,"chalcopyrite accompanied by silicification. The discovery outcrop"]
[504,8,"consists of this stringer style mineralization and a sample"]
[504,9,"returned a value of 35 g Au/tonne. A limited lithogeochemical study"]
[504,10,"suggests strong Na2O depletion.  The deposit has been outlined by"]
[504,11,"65 diamond drill holes which show a strike extent of 160 metres and"]
[504,12,"an average thickness of 3 - 4 metres. It has been traced down dip"]
[504,13,"for 700 metres and is open to depth. A steep northerly plunge of"]
[504,14,"about 65 degrees is evident in longitudinal section. Reserves are"]
[504,15,"estimated at over two million tonnes grading 8.88% Zn, 4.22% Pb,"]
[504,16,"and 400 g/t Ag (Aber Interim Rpt, 10/31/88)."]
[505,1,"The Bear or M-zone volcanogenic massive sulphide deposit occurs in"]
[505,2,"the Beaulieu River greenstone belt, a supracrustal belt in the"]
[505,3,"Archean Slave structural province. All stratified rocks belong to"]
[505,4,"the Yellowknife Supergroup, the volcanics in the Sunset Lake area"]
[505,5,"belonging to the Beaulieu Group. Stratified rocks are intruded by"]
[505,6,"late Archean gabbro and granite as well as Proterozoic diabase"]
[505,7,"dykes. Massive sulphides are hosted by an east facing,"]
[505,8,"northwesterly trending and easterly dipping sequence of volcanic"]
[505,9,"and sedimentary rocks.  The base of the sequence in the immediate"]
[505,10,"vicinity of the deposit is constituted by a series of pillowed to"]
[505,11,"massive andesites to basalts. Thin units of fragmentals and"]
[505,12,"interflow sediments are present in places within this unit. Several"]
[505,13,"kilometres to the north and to the west, this unit includes oxide"]
[505,14,"iron formation. Overlying the mafic package is a unit of quartz"]
[505,15,"feldspar porphyritic rhyolite flows and fragmentals, part of which"]
[505,16,"appears to form a small endogenous dome. Alteration in the form of"]
[505,17,"kaolinitization, sericitization and silicification is present. The"]
[505,18,"rhyolites are in turn overlain by a sequence of mixed greywacke,"]
[505,19,"chert, graphitic argillite and mafic to felsic tuff. M zone massive"]
[505,20,"sulphides occur as two separate horizons at this point, a lower"]
[505,21,"silver-rich, narrow (2 m) zone sandwiched between a graphitic"]
[505,22,"argillite beneath and a carbonate-rich exhalite above, and a"]
[505,23,"thicker (15 m) zone in an overlying unit of rhyolitic tuff to"]
[505,24,"coarse pyroclastics. The mineralized horizons are successively"]
[505,25,"overlain by pillowed to fragmental mafic volcanics, intermediate"]
[505,26,"fragmentals and flows, and then argillite. A thick quartz feldspar"]
[505,27,"porphyry sill occupies the contact between the mafic and"]
[505,28,"intermediate units."]
[506,1,"The lower mineralized zone is generally less than 2 metres thick"]
[506,2,"and consists of a base of laminated pyritic argillite grading"]
[506,3,"upward into semi-massive pyrite with minor base metals and then"]
[506,4,"into variably bedded massive sphalerite, galena, pyrite and"]
[506,5,"sternbergite. A thin (20 cm), greenish and pasty band of sphalerite,"]
[506,6,"sternbergite, marcasite, galena and other silver minerals overlies"]
[506,7,"the massive sulphides. This lower zone is separated from the upper"]
[506,8,"mineralized zone by a unit of felsic fragments, carbonate, minor"]
[506,9,"argillaceous material and variable amounts of sulphides together"]
[506,10,"with tuffaceous greywacke.  The upper mineralized zone consists of"]
[506,11,"a base of semi-massive to massive pyrite successively overlain by"]
[506,12,"massive pyrite with variable but minor base metal sulphides, and"]
[506,13,"semi-massive to banded sphalerite and galena with only limited"]
[506,14,"amounts of pyrite. A third and minor sulphide horizon with a"]
[506,15,"sulphidic argillite base is seperated from the upper mineralized"]
[506,16,"zone by a debris flow.  Drilling has traced the M zone horizons"]
[506,17,"over a strike length of 160 metres and to a depth of about 400"]
[506,18,"metres. Longitudinal sections show a north northeasterly plunge of"]
[506,19,"about 70 degrees for the deposit, which is open to depth."]
[507,1,"Mineralization (massive to disseminated pyrrhotite, sphalerite,"]
[507,2,"chalcopyrite, pyrite, galena, some silver and molybdenite) forms"]
[507,3,"long narrow conductive zones parallel to the bedding of Archean"]
[507,4,"Yellowknife Supergroup metasediments that define a broad east"]
[507,5,"plunging syncline. Two zones  make up the Turnback Lake showing,"]
[507,6,"the XL zone and the OK zone. The XL zone consists of two en echelon"]
[507,7,"lenses that are 1900 feet long and terminated bynpegmatite and"]
[507,8,"granite.   Work done on this showing includes geological mapping,"]
[507,9,"geochemical sampling, magnetic (ground?) and EM surveys (airborne"]
[507,10,"and ground), trenching and diamond drilling. Resources calculated"]
[507,11,"for the XL zone are listed as diamond drill inferrred at 2,000 ton/"]
[507,12,"vertical foot at 4 oz/T Ag, 0.8% Cu, 4.7% Zn and 1% Pb. The OK zone"]
[507,13,"is reported as being 30x5.3 feet in extent at 18.8 oz/t Ag, 8.4% Pb"]
[507,14,"and 13.7% zinc."]
[508,1,"The KI pegmatite dyke swarm occurs in the Yellowknife"]
[508,2,"metasedimentary basin within the Slave structural province. It is a"]
[508,3,"member of the Yellowknife pegmatite field, a series of pegmatites"]
[508,4,"east of Yellowknife, NWT that are probably associated with a number"]
[508,5,"of late Archean granitoid intrusions of the Prosperous Granite"]
[508,6,"suite. The pegmatites tend to occur in Burwash Formation sediments"]
[508,7,"where those have been metamorphosed to lower amphibolite facies."]
[508,8,"The pegmatites show a broad zonation around the larger intrusives"]
[508,9,"in the area; an inner zone dominated by Be-rich pegmatites is"]
[508,10,"successively enclosed by zones dominated by Cb-Ta-rich varieties"]
[508,11,"and then by Li-rich varieties.  The KI dyke is of the Li-rich"]
[508,12,"variety. It strikes at about 135 degrees and dips steeply to the"]
[508,13,"southeast. It can be traced on surface for about 800 m and is 10 -"]
[508,14,"15 m thick. There is no marked zonation and the dyke is classified"]
[508,15,"as a simple pegmatite, consisting of 20 - 25% spodumene as 15 cm"]
[508,16,"pale green crystals and, in decreasing order, microcline, quartz"]
[508,17,"and muscovite. The spodumene crystals are generally oriented"]
[508,18,"perpendicular to the strike of the dyke. Hornfelsed wallrock"]
[508,19,"inclusions are common in the southern portion. Drill logs note the"]
[508,20,"development of secondary alteration comprising a fine-grained,"]
[508,21,"aplitic mixture of sericite, albite and hematite.  A reserve of 2"]
[508,22,"million tons grading 1.4% Li2O based on surface sampling and"]
[508,23,"geological projection to a depth of 500 feet is estimated in AR"]
[508,24,"080274. One bulk sample taken in 1987 (AR 082495) as part of a"]
[508,25,"program involving the FI pegmatite was submitted for metallurgical"]
[508,26,"testwork. Results indicate that a spodumene concentrate containing"]
[508,27,"5 - 6% Li2O at an overall recovery of 80% could be produced."]
[509,1,"Production of a high purity lithium carbonate product was achieved"]
[509,2,"using a standard roast and acid leach process. Mica and feldspar by-"]
[509,3,"products were produced by additional flotation steps."]
[510,1,"The Shorty (Greg) pegmatite dyke occurs in the Yellowknife Basin"]
[510,2,"within the Slave structural province. It is a member of the"]
[510,3,"Yellowknife pegmatite field, a series of pegmatites east of"]
[510,4,"Yellowknife, NWT that are probably associated with a number of late"]
[510,5,"Archean granitoid intrusions of the Prosperous Granite suite. The"]
[510,6,"pegmatites tend to occur in Burwash Formation sediments where those"]
[510,7,"have been metamorphosed to lower amphibolite facies. The pegmatites"]
[510,8,"show a broad zonation around the larger intrusives in the area; an"]
[510,9,"inner zone dominated by Be-rich pegmatites is successively enclosed"]
[510,10,"by zones dominated by Cb-Ta-rich varieties and then by Li-rich"]
[510,11,"varieties. Regional foliation in the area is parallel to sub-"]
[510,12,"parallel to bedding.  The Shorty Li-rich pegmatite intrudes medium"]
[510,13,"grade, turbiditic metasediments. It strikes 037 degrees and dips SW"]
[510,14,"at 50 - 58 degrees. The dyke is 540 m long and averages 23 m in"]
[510,15,"true thickness. A possible faulted extension can be traced for an"]
[510,16,"additional 240 m to the NE. The southern portion of the dyke"]
[510,17,"consists mainly of aplite (albite-sericite?) and narrows with depth"]
[510,18,"along with the central portion. The northern portion maintains its"]
[510,19,"thickness and grade with depth, suggesting that, to some degree,"]
[510,20,"the pegmatite plunges to the north.  The pegmatite is of the simple,"]
[510,21,"unzoned variety although banding consisting of centimetre to metre"]
[510,22,"scale alternations of medium to coarse-grained pegmatite and aplite"]
[510,23,"is common. The aplite may be an albite-sericite alteration common"]
[510,24,"in pegmatites in this area. The dyke is composed mainly of quartz,"]
[510,25,"K-feldspar, spodumene, Na-feldspar and muscovite."]
[511,1,"Spodumene occurs as white to pale green crystals up to 8 cm long"]
[511,2,"and is preferentially developed in the coarser grained bands where"]
[511,3,"it tends to be oriented perpendicular to banding. However, near the"]
[511,4,"dyke margins, it tends to be oriented parallel to the contact."]
[511,5,"Muscovite is concentrated near the dyke margins although it is"]
[511,6,"present throughout. Minor amounts of biotite, beryl, tourmaline and"]
[511,7,"cassiterite are present. Assays show that Ta, Be and Sn tend to"]
[511,8,"increase toward the hangingwall of the dyke.  Based on surface"]
[511,9,"sampling, trenching and 11 drill holes totalling 1261.2 m, a drill-"]
[511,10,"indicated reserve of 1.357 million tons grading 1.07% Li2O  has"]
[511,11,"been calculated. The reserve comprises a 400 m long section to a"]
[511,12,"depth of 100 m and assumes a 0.73% Li2O cutoff grade.  The Shorty"]
[511,13,"dyke was apparently called the Greg deposit (NMI) and prior to that"]
[511,14,"was Dyke A of Zone 1 on the Lit claims. Dykes B and C of Zone 1 are"]
[511,15,"parallel to Shorty. B is 240 m NW of Shorty, 330 m long, 3 m wide,"]
[511,16,"and contains medium-grained spodumene throughout. It is noted by"]
[511,17,"Fortier (1947) as a cassiterite occurrence. C is 480 m NW of Shorty,"]
[511,18,"490 m long, 9 m wide, and carries its best mineralization in the"]
[511,19,"northerly 170 m (Mulligan 1968)."]
[512,1,"The FI pegmatite dyke swarm lies within the Archean Yellowknife"]
[512,2,"Metasedimentary Basin, a vast area underlain largely by Burwash"]
[512,3,"Formation greywacke-argillite turbidites belonging to the"]
[512,4,"Yellowknife Supergroup (Henderson, 1985). These were intricately"]
[512,5,"folded and faulted during at least two phases of Archean"]
[512,6,"deformation, and metamorphosed to lower amphibolite grade in a 40"]
[512,7,"km wide, north trending zone. The Burwash sediments were invaded by"]
[512,8,"plutons, plugs and stocks of the Prosperous granite. These"]
[512,9,"discordant and predominantly north-south elongate bodies lie within"]
[512,10,"the amphibolite grade metamorphic zone and include the Hidden Lake"]
[512,11,"stock, 2 km west of the showing.  The FI pegmatite dyke swarm is a"]
[512,12,"member of the Yellowknife pegmatite field, a series of pegmatites"]
[512,13,"east of Yellowknife, NWT that are probably associated with the"]
[512,14,"Prosperous Granite suite. There is a broad zonation in the"]
[512,15,"distribution of pegmatite varieties relative to the larger"]
[512,16,"intrusives in the area: an inner zone dominated by Be-rich"]
[512,17,"pegmatites is successively enclosed by zones dominated by Cb-Ta"]
[512,18,"rich varieties and then by Li rich varieties. The FI dyke swarm"]
[512,19,"lies within the Li zone.  The FI swarm contains two main"]
[512,20,"northeasterly trending and vertically dipping dykes known as the"]
[512,21,"Southwest and Main Dykes as well as a number of smaller dykes. Both"]
[512,22,"may be classified as simple pegmatites since internal zoning is not"]
[512,23,"well developed. The Southwest Dyke is discussed in a separate"]
[512,24,"report.  The Main Dyke is a branching granitic pegmatite cutting"]
[512,25,"north striking Burwash sediments. It comprises fine to coarse"]
[512,26,"grained feldspar-quartz-mucsovite with variable amounts of"]
[512,27,"spodumene. Aplitic chill zones, where present, are 15 - 45 cm thick"]
[512,28,"and spodumene poor."]
[513,1,"The Main Dyke system can be traced for 1800 m along strike but is"]
[513,2,"most continuous along approximately 930 m. This portion is of"]
[513,3,"fairly consistent 20 m width at the north end, and splits into two"]
[513,4,"roughly equal, 425 m long branches in its southern part. The north"]
[513,5,"end is poor in spodumene (5-10%), while the southern part averages"]
[513,6,"about 15% and ranges up to 28%.  The west branch of the southern"]
[513,7,"part is 15.5 m wide and was tested by 6 trenches, concentrated near"]
[513,8,"its south end at approximately 30 m intervals. Spodumene content in"]
[513,9,"the rock exposed in these trenches ranged from 13 to 20%. Assays of"]
[513,10,"10-pound representative chip samples from the 6 trenches, including"]
[513,11,"chill zones, ranged from 0.66% Li2O across 6.1 m to 2.01% across 6."]
[513,12,"1 m. Weighted averages across the width of the dyke ranged up to 1."]
[513,13,"67% across 12.2 m and 1.35% across 18.3 m.  Incomplete sampling in"]
[513,14,"1975 (AR 080282) allowed a rough estimate of 7.0 million tonnes"]
[513,15,"containing 1.1% Li2O to 152 m depth in the Main Dyke. Unpublished"]
[513,16,"reports referred to in AR 082495 describe a 1978-79 program of"]
[513,17,"drilling and trenching, the results of which formed the basis for a"]
[513,18,"total FI (Main and Southwest Dykes) reserve estimate of 6,530,000"]
[513,19,"tonnes grading 1.49% Li2O to a depth of 152 m. Of this total, the"]
[513,20,"Main dyke contained 2,424,000 tonnes at 1.54% Li2O.  Five bulk"]
[513,21,"samples taken from the FI dykes in 1987 (AR 082495) were submitted"]
[513,22,"for metallurgical testwork. Results indicate that a spodumene"]
[513,23,"concentrate containing 5 - 6% Li2O at an overall recovery of 80%"]
[513,24,"could be produced. Production of a high purity lithium carbonate"]
[513,25,"product was achieved using a standard roast and acid leach process."]
[513,26,"Mica and feldspar by-products were produced by additional flotation"]
[513,27,"steps."]
[514,1,"The showing lies within the Archean Yellowknife Metasedimentary"]
[514,2,"Basin, a vast area underlain largely by Burwash Formation greywacke-"]
[514,3,"argillite turbidites belonging to the Yellowknife Supergroup"]
[514,4,"(Henderson, 1985). These were intricately folded and faulted during"]
[514,5,"at least two phases of Archean deformation, and metamorphosed to"]
[514,6,"lower amphibolite grade in a 40 km wide, north trending zone. The"]
[514,7,"Burwash sediments were invaded by plutons, plugs and stocks of the"]
[514,8,"Prosperous granite, and abundant related pegmatitic dykes and sills."]
[514,9,"These discordant and predominantly north-south elongate bodies lie"]
[514,10,"within the lower amphibolite grade metamorphic zone, mostly west of"]
[514,11,"the showing. The Hidden Lake stock is exposed 7 km west of the"]
[514,12,"showing.  The showing comprises 5 Li-bearing pegmatite dykes in an"]
[514,13,"area approximately 1 x 1 km. They all strike NE and dip 45 - 70"]
[514,14,"degrees NW, cutting NE-striking, east dipping, overturned nodular"]
[514,15,"schists of the Burwash Fm. They comprise coarse grained feldspar,"]
[514,16,"spodumene, quartz and minor muscovite, and they commonly branch and"]
[514,17,"contain horses of country rock. Widths given below are surface"]
[514,18,"widths; true widths will be smaller (note the moderate dip)."]
[514,19,"Fortier (1947) notes beryl at this location also; it may be from a"]
[514,20,"small dyke just east of Dyke 12.  Dyke 12, the largest, is 300 m"]
[514,21,"long and up to 7 m wide, but is best mineralized along 200 m where"]
[514,22,"sections up to 4 m wide were estimated to contain 35% spodumene."]
[514,23,"Banding of 25 cm pegmatitic phases with 2 cm aplitic phases is"]
[514,24,"locally well-developed. Zoning is not evident. Coarse spodumene and"]
[514,25,"feldspar crystals and streaks of grey quartz lie perpendicular to"]
[514,26,"the long axis of the dyke. It contains from 85,000 to 123,000 tons"]
[514,27,"of material, to 30 m depth, grading 1.5% Li2O."]
[515,1,"Dyke 6 is 1100 m NE of D12, measures 170 x 9 m, and is estimated to"]
[515,2,"contain, to 30 m depth, 85,000 tons grading 1.5% Li2O.  Dyke 5 lies"]
[515,3,"1200 m NE of D12, measures 158 x 4 m, and is only locally spodumene"]
[515,4,"rich. One sample (AR 080847) contained 2.12% Li2O. Dyke 2 lies 750"]
[515,5,"m NNW of D12 and is 180 x 1.8 - 9.0 m. Dyke 1 is 900 m north of D12,"]
[515,6,"measures 100 m long by up to 11 m wide, and assayed 0.85 to 1.85%"]
[515,7,"Li2O in 6 samples. These 3 dykes carry 32,000 to 43,000 tons each,"]
[515,8,"totalling 116,000 tons to 30 m depth, grading 15% spodumene, which"]
[515,9,"is the equivalent of 1.0% Li2O (080847)."]
[516,1,"The showing lies within the Archean Yellowknife Metasedimentary"]
[516,2,"Basin, a vast area underlain largely by Burwash Formation greywacke-"]
[516,3,"argillite turbidites belonging to the Yellowknife Supergroup"]
[516,4,"(Henderson, 1985). These were intricately folded and faulted during"]
[516,5,"at least two phases of Archean deformation, and metamorphosed to"]
[516,6,"lower amphibolite grade in a 40 km wide, N-trending zone. The"]
[516,7,"Burwash sediments were invaded by plutons, plugs and stocks of the"]
[516,8,"Prosperous granite. These discordant and predominantly N-S elongate"]
[516,9,"bodies lie within the higher grade metamorphic zone and include the"]
[516,10,"Hidden Lake stock, 2 km west of the showing.  The FI pegmatite dyke"]
[516,11,"swarm is a member of the Yellowknife pegmatite field, a series of"]
[516,12,"pegmatites east of Yellowknife, that are probably associated with"]
[516,13,"the Prosperous Granite suite. The pegmatites show a broad zonation"]
[516,14,"in relation to the larger intrusives in the area. An inner zone"]
[516,15,"dominated by Be-rich pegmatites is successively enclosed by zones"]
[516,16,"dominated by Cb-Ta-rich varieties and then by Li-rich varieties."]
[516,17,"The FI dyke swarm contains two main northeasterly trending and"]
[516,18,"vertically dipping dykes known as the Southwest and Main Dykes as"]
[516,19,"well as a number of smaller dykes. Both may be classified as simple"]
[516,20,"pegmatites as zoning is not well developed.  The Southwest Dyke is"]
[516,21,"a tabular, steeply dipping, 030d-striking, granitic pegmatite"]
[516,22,"cutting N-striking Burwash sediments. It comprises 15-25% pale"]
[516,23,"green spodumene as 3-6 cm crystals, 15-25% white and pink"]
[516,24,"microcline as 3-8 cm crystals and 5% muscovite. Between 40% and 60%"]
[516,25,"constitutes secondary alteration consisting of a fine-grained,"]
[516,26,"hematitic mixture of sericite and albite. This material often"]
[516,27,"occurs in alternating"]
[517,1,"The dyke can be traced for 610 m along strike and varies from 5-37"]
[517,2,"m in width. The best grades are in the central section along a"]
[517,3,"length of ~360 m averaging ~25 m in width. Spodumene content in the"]
[517,4,"central portion of the dyke averages 20% and is fairly evenly"]
[517,5,"distributed. Spodumene content decreases northward to 5%, where the"]
[517,6,"dyke contains up to 30% inclusions of country rock and is offset 3"]
[517,7,"m by a cross-cutting gabbro dyke. The southern portion of the dyke"]
[517,8,"is also less rich in spodumene and appears to be offset 9 m SE from"]
[517,9,"the central portion.  Reserves were estimated in 1975 (AR 080282)"]
[517,10,"from trench chip samples and an assumed depth of 152 m, as 4.7"]
[517,11,"million tonnes grading 1.4% Li2O. Unpublished reports referred to"]
[517,12,"in AR 082495 describe a 1978-79 program of drilling and trenching,"]
[517,13,"the results of which formed the basis for a total FI (Main &"]
[517,14,"Southwest) reserve estimate of 7,198,000 tons grading 1.49% Li2O to"]
[517,15,"a depth of 500 feet. Of this total, the Southwest dyke contained 4,"]
[517,16,"526,000 tons at 1.46% Li2O.  Five bulk sample taken from the FI"]
[517,17,"dykes in 1987 (AR 082495) were submitted for metallurgical testwork."]
[517,18,"Results indicate that a spodumene concentrate containing 5-6% Li2O"]
[517,19,"at an overall recovery of 80% could be produced. Production of a"]
[517,20,"high purity lithium carbonate product was achieved using a standard"]
[517,21,"roast and acid leach process. Mica and feldspar by-products were"]
[517,22,"produced by additional flotation steps."]
[518,1,"The Vo #2 pegmatite dyke occurs in the Yellowknife Basin within the"]
[518,2,"Slave structural province. It is a member of the Yellowknife"]
[518,3,"pegmatite field, a series of pegmatites east of Yellowknife, NWT"]
[518,4,"that are probably associated with a number of late Archean"]
[518,5,"granitoid intrusions of the Prosperous Granite suite. The"]
[518,6,"pegmatites tend to occur in Burwash Formation sediments where those"]
[518,7,"have been metamorphosed to lower amphibolite facies. The pegmatites"]
[518,8,"show a broad zonation around the larger intrusives in the area; an"]
[518,9,"inner zone dominated by Be-rich pegmatites is successively enclosed"]
[518,10,"by zones dominated by Cb-Ta-rich varieties and then by Li-rich"]
[518,11,"varieties.  The Vo #2 Li-rich dyke is a member of the Blaisdell"]
[518,12,"Lake pegmatite series. The dyke intrudes medium grade metasediments"]
[518,13,"and is more or less conformable with foliation, striking at 040"]
[518,14,"degrees with a vertical dip. It is exposed for a strike length of"]
[518,15,"about 250 m and ranges from 7 - 9 m in width. An old description"]
[518,16,"quoted in AR 080283 from GSC Economic Geology Report No. 21"]
[518,17,"describes the dyke as medium to coarse grained and banded with"]
[518,18,"respect to spodumene distribution. An analogy with other pegmatites"]
[518,19,"in the basin suggests that the banding is due to local secondary"]
[518,20,"alteration to a fine-grained mixture of albite and sericite,"]
[518,21,"commonly referred to as aplite.  Spodumene crystals are oriented"]
[518,22,"perpendicular to the dyke walls. Dark green to black crystals and"]
[518,23,"irregular masses of huhnerkobelite/triphylite are associated with"]
[518,24,"the spodumene. Scattered crystals of beryl are also present."]
[518,25,"Apatite is reported as abundant in the Blaisdell series (DIAND"]
[518,26,"Contr. to NWT Geol., v3) but is not noted in other reports."]
[519,1,"A reserve of 138,000 tons grading 1.62% Li2O to a depth of 100 feet"]
[519,2,"was calculated by Canadian Superior Exploration on the basis of"]
[519,3,"surface sampling and geological projection to depth."]
[520,1,"The Vo #5 pegmatite dyke occurs in the Yellowknife Basin within the"]
[520,2,"Slave structural province. It is a member of the Yellowknife"]
[520,3,"pegmatite field, a series of pegmatites east of Yellowknife, NWT"]
[520,4,"that are probably associated with a number of late Archean"]
[520,5,"granitoid intrusions of the Prosperous Granite suite. The"]
[520,6,"pegmatites tend to occur in Burwash Formation sediments where those"]
[520,7,"have been metamorphosed to lower amphibolite facies. The pegmatites"]
[520,8,"show a broad zonation around the larger intrusives in the area; an"]
[520,9,"inner zone dominated by Be-rich pegmatites is successively enclosed"]
[520,10,"by zones dominated by Cb-Ta-rich varieties and then by Li-rich"]
[520,11,"varieties.  The Vo #5 Li-rich dyke is a member of the Blaisdell"]
[520,12,"Lake pegmatite series. The dyke intrudes medium grade metasediments"]
[520,13,"and is more or less conformable with foliation, striking at 040"]
[520,14,"degrees with a vertical dip. It is exposed over a strike length of"]
[520,15,"about 260 m and has an average width of about 25 m. An old"]
[520,16,"description quoted in AR 080283 from GSC Economic Geology Report No."]
[520,17,"21 describes the dyke as indefinitely banded, with aplitic"]
[520,18,"(sericite-albite alteration) phases. Better grades of spodumene are"]
[520,19,"found in the coarser grained portions of the dyke and grade"]
[520,20,"diminishes towards the southwest end, where aplite is more abundant."]
[520,21,"Small white beryl crystals are fairly common near the north"]
[520,22,"contact, in association with quartz and pink cleavelandite. One"]
[520,23,"greenish mass was tentatively identified as triphylite. Apatite is"]
[520,24,"reported as abundant in the Blaisdell series (DIAND Contr. to NWT"]
[520,25,"Geol., V.3) but is not noted in other reports."]
[521,1,"A reserve of 150,000 tons grading 1.55% Li2O was calculated in 1975"]
[521,2,"by Canadian Superior Exploration based on six surface samples and"]
[521,3,"geological projection to a depth of 100 feet. The same company"]
[521,4,"drilled two short holes in 1978 showing that the dyke narrows"]
[521,5,"somewhat with depth. No new reserve was reported."]
[522,1,"Mahe is a gold-bearing, quartz breccia hosted in a folded,"]
[522,2,"carbonaceous, sulphide-rich siltstone.  The showing is situated in"]
[522,3,"Archean aged rocks of the Yellowknife Supracrustal Belt."]
[522,4,"Exploration work, including both surface and undergrounding"]
[522,5,"drilling,  has defined the deposit size as being 305 metres long, 6"]
[522,6,"to 30 metres wide and extending to a depth of 121 metres (GNWT RWED,"]
[522,7,"MOG Book (1997)).."]
[523,1,"This showing has been subjected to intermittant exploration from"]
[523,2,"1938 to 1987 in the form of: geochemical sampling, geological"]
[523,3,"mapping, diamond drilling and in 1974 a 350 foot deccline was"]
[523,4,"driven with one level (250 feet) and sampling. In 1984-85,"]
[523,5,"trenching, sampling and diamond drilling was done and, in 1987,"]
[523,6,"diamond drilling, geophysics and decline rehabilitation took place."]
[523,7,"Resources calculated (1974) are listed at 64,265 tons at 0.157 oz/t"]
[523,8,"gold and some(?) silver.  In this showing gold is associated with"]
[523,9,"sulphides (arsenopyrite-pyrrhotite-galena-pyrite-chalcopyrite-and"]
[523,10,"sphalerite) in elongated quartz masses and stockwork, spatially"]
[523,11,"related to a S-shaped fold near a fault in the greywacke and slates"]
[523,12,"of the Archean Yellowknife Supergroup."]
[524,1,"The Mitchell Lake showing has been subjected to strippong,"]
[524,2,"trenching, diamond drilling and bulk sampling. Resources calculated"]
[524,3,"(possible) are listed as 3,000 tons at 1.5 oz/t gold to 120 feet."]
[524,4,"Gold mineralization is in shear hosted quartz veins in schists and"]
[524,5,"argillites of the Archean Yellowknife Supergroup. Visible gold is"]
[524,6,"present in a mineralized lens in the No. 1 zone. This lens, having"]
[524,7,"a width of 3 m and a length of 10 m is located within the nose of a"]
[524,8,"drag fold. Gold mineralization is associated with pyrite and"]
[524,9,"arsenopyrite."]
[525,1,"Gold mineralization occurs within quartz veins in sediments within"]
[525,2,"the Archean Yellowknife group. This showing has been subjected to"]
[525,3,"various forms of exploration since 1937 which included geochemical"]
[525,4,"sampling, trenching, and diamond drilling. A decline was driven on"]
[525,5,"the Lambert vein and a bulk sample was taken in 1987. Three"]
[525,6,"separate veins with resources are as follows: Lambert Vein: 100ft"]
[525,7,"x5.1 ft at 0.663 oz/t gold(1966), No. 14 vein: 110ftx4.3ft at 0.416"]
[525,8,"oz/t gold (1986) and No. 18 vein: 320ftx5.4ft at 0.278 oz/t gold"]
[525,9,"(1986)."]
[526,1,"Pegmatite  dykes containing beryl cut a granite plug and associated"]
[526,2,"metasediments of the Archean Yellowknife Supergroup. Pegmatite"]
[526,3,"mineralogy consists of quartz-feldspar-beryl-tourmaline and minor"]
[526,4,"columbite-tantalite, apatite and Mn-alluaudite. This showing has"]
[526,5,"been subjected to trenching and shallow diamond drilling."]
[527,1,"The Best Bet pegmatite dyke occurs in the Yellowknife"]
[527,2,"metasedimentary basin within the  Slave structural province. It is"]
[527,3,"a member of the Yellowknife pegmatite field, a series of pegmatites"]
[527,4,"east of Yellowknife, NWT that are probably associated with a number"]
[527,5,"of late Archean granitoid intrusions of the Prosperous Granite"]
[527,6,"suite. The pegmatites tend to occur in Burwash Formation sediments"]
[527,7,"where those have been metamorphosed to lower amphibolite facies."]
[527,8,"The pegmatites show a broad zonation around the larger intrusives"]
[527,9,"in the area; an inner zone dominated by Be-rich pegmatites is"]
[527,10,"successively enclosed by zones dominated by Cb-Ta-rich varieties"]
[527,11,"and then by Li-rich varieties.  The Best Bet pegmatite is a Li-rich"]
[527,12,"variety belonging to the Faulkner Lake series. It is approximately"]
[527,13,"100 metres long and up to 8 metres wide. It strikes 010 degrees"]
[527,14,"with a steep westerly dip and is roughly concordant with foliation"]
[527,15,"in the enclosing schist. Some shearing has taken place along the"]
[527,16,"hangingwall contact. The pegmatite is well-zoned internally, with"]
[527,17,"the following sequence from core to border:  core: quartz -"]
[527,18,"muscovite - K-feldspar core intermediate zone: K-feldspar-quartz-"]
[527,19,"spodumene-muscovite wall zone: quartz-plagioclase-muscovite border"]
[527,20,"zone: fine-grained quartz-muscovite."]
[528,1,"In addition to the above minerals, it also contains beryl,"]
[528,2,"columbite-tantalite, amblygonite and Li-muscovite. Much of the"]
[528,3,"plagioclase has a cleavelandite habit. Most of the plagioclase-"]
[528,4,"muscovite assemblage is metasomatic and the beryl and columbite-"]
[528,5,"tantalite tend to be associated with it. Spodumene crystals and"]
[528,6,"blocks of amblygonite in the central core reach sizes of up to 2"]
[528,7,"metres and 1 metre long respectively.  The pegmatite was mined in"]
[528,8,"the past for its tantalite-columbite content.  Estimates of"]
[528,9,"spodumene content range from 25% in the northern half of the pit to"]
[528,10,"about one-half of this in the southern half. Average Lithium Oxide"]
[528,11,"contents for the spodumene are reported to be 6.49%.  In 1975"]
[528,12,"Canadian Superior Exploration claimed that the pegmatite had a"]
[528,13,"potential resource of 42,700 tons at 2.0 % Lithium Oxide to a depth"]
[528,14,"of 500 feet.  Other higher grade, lower tonnages have been"]
[528,15,"estimated by other companies from limited drilling of the pegmatite."]
[529,1,"The Moose #2 pegmatite dyke and smaller Moose #1 dyke occur in the"]
[529,2,"Yellowknife Sedimentary Basin within the Slave Structural Province."]
[529,3,"They are members of the Yellowknife pegmatite field, a series of"]
[529,4,"pegmatites east of Yellowknife, NWT that are probably associated"]
[529,5,"with a number of late Archean granitoid intrusions of the"]
[529,6,"Prosperous Granite suite. The pegmatites are most abundant in"]
[529,7,"Burwash Formation sediments where the sediments have been"]
[529,8,"metamorphosed to lower amphibolite facies. There is a broad"]
[529,9,"zonation in the distribution of pegmatite varieties relative to the"]
[529,10,"larger intrusives in the area: an inner zone dominated by Be-rich"]
[529,11,"pegmatites is closest to the intrusion, and is successively"]
[529,12,"enclosed by zones dominated by Cb-Ta-rich varieties and then by Li-"]
[529,13,"rich varieties. The Moose dykes are Li-rich varieties and are"]
[529,14,"members of the Faulkner Lake series.  The two dykes are 1600 metres"]
[529,15,"apart and appear to be aligned along the same structure. The #2"]
[529,16,"dyke strikes northerly and dips steeply to the west. It is about"]
[529,17,"420 metres long and up to 60 metres wide at surface. A 221 metre"]
[529,18,"strike length was drilled to a 30 metre depth, showing the average"]
[529,19,"thickness at that level to be 7.5 - 9 metres. The #1 dyke is"]
[529,20,"slightly less than 300 metres long with a maximum thickness of 10"]
[529,21,"metres. Both are internally zoned as follows: core is quartz-"]
[529,22,"spodumene-amblygonite;  wall zone is Kspar-quartz-muscovite-"]
[529,23,"cleavelandite;  border zone is quartz-muscovite.  Other minerals"]
[529,24,"present include schorl tourmaline, beryl, cassiterite, petalite and"]
[529,25,"lithiophyllite. Li mineral rich and Cb-Ta mineral rich zones are"]
[529,26,"largely mutually exclusive."]
[530,1,"The former are concentrated in or near the central core while the"]
[530,2,"latter are concentrated in two feldspar-rich zones near the walls"]
[530,3,"and in the fine-grained border zone. The distribution of columbite-"]
[530,4,"tantalite is also zoned, with a blocky Ta-rich variety concentrated"]
[530,5,"in the border zone and a platy Cb-rich variety elsewhere. Beryl"]
[530,6,"tends to occur as white irregular crystals and masses on the order"]
[530,7,"of 20 cm across within the wall zone bordering the core.  The"]
[530,8,"quartz core is particularly well-developed in the #2 dyke, reaching"]
[530,9,"a width of about 4 metres. Large crystals and blocks of spodumene"]
[530,10,"and amblygonite reach sizes of up to 2 metres and 1 metre"]
[530,11,"respectively. Patches and stringers of metasomatic albite and"]
[530,12,"secondary muscovite are found throughout the body.  The deposit has"]
[530,13,"been mined on two occasions, the first time involving intermittent"]
[530,14,"production in the period 1946-52 by De Staffany Tantalum-Beryllium"]
[530,15,"Mines Ltd. who produced a heavy mineral concentrate. Boreal Rare"]
[530,16,"Metals Ltd. mined the deposit in the winter of 1953-54 for both"]
[530,17,"heavy minerals and amblygonite. Beryl was stockpiled during this"]
[530,18,"period. Remaining reserves are estimated at 700,000 tonnes grading"]
[530,19,"7.44% Li and 0.25% Cb (Northern Miner, 05/06/80)."]
[531,1,"The Lens pegmatite dyke occurs in the Yellowknife metasedimentary"]
[531,2,"basin within the Slave structural province. It is a member of the"]
[531,3,"Yellowknife pegmatite field, a series of pegmatites east of"]
[531,4,"Yellowknife, NWT that are probably associated with a number of late"]
[531,5,"Archean granitoid intrusions of the Prosperous Granite suite. The"]
[531,6,"pegmatites tend to occur in Burwash Formation sediments where those"]
[531,7,"have been metamorphosed to lower amphibolite facies. The pegmatites"]
[531,8,"show a broad zonation around the larger intrusives in the area; an"]
[531,9,"inner zone dominated by Be-rich pegmatites is successively enclosed"]
[531,10,"by zones dominated by Cb-Ta-rich varieties and then by Li-rich"]
[531,11,"varieties.  The Lens pegmatite is a Li-rich variety belonging to"]
[531,12,"the Buckham Lake East series. It is about 90 m long and up to 20 m"]
[531,13,"wide. It parallels foliation in the enclosing metasediments (quartz-"]
[531,14,"biotite-cordierite schists) and strikes north-northwesterly with a"]
[531,15,"vertical dip. Internal zoning is not well-developed. It appears to"]
[531,16,"be the most spodumene-enriched pegmatite in the series, consisting"]
[531,17,"of 25 - 30% green spodumene crystals, up to 0.5 m long, that tend"]
[531,18,"to be perpendicular to the trend of the dyke, and up to 40%"]
[531,19,"secondary alteration products comprising a finer-grained mixture of"]
[531,20,"albite and muscovite. The remainder of the dyke is made up of"]
[531,21,"quartz and muscovite. Minor amounts of beryl and columbite-"]
[531,22,"tantalite are associated with the secondary alteration minerals.  A"]
[531,23,"paramarginal resource of 102,600 tons grading 1.97% Li2O has been"]
[531,24,"estimated from surface sampling of the Lens pegmatite (Lasmanis,"]
[531,25,"1978)."]
[532,1,"The Mut pegmatite dyke occurs in the Yellowknife metasedimentary"]
[532,2,"basin within the Slave structural province. It is a member of the"]
[532,3,"Yellowknife pegmatite field, a series of pegmatites east of"]
[532,4,"Yellowknife, NWT that are probably associated with a number of late"]
[532,5,"Archean granitoid intrusions of the Prosperous Granite suite. The"]
[532,6,"pegmatites tend to occur in Burwash Formation sediments where those"]
[532,7,"have been metamorphosed to lower amphibolite facies. The pegmatites"]
[532,8,"show a broad zonation around the larger intrusives in the area; an"]
[532,9,"inner zone dominated by Be-rich pegmatites is successively enclosed"]
[532,10,"by zones dominated by Cb-Ta-rich varieties and then by Li-rich"]
[532,11,"varieties.  The pegmatite is a member of the Li-rich Buckham Lake"]
[532,12,"East series. The dyke conforms with foliation in the country rock,"]
[532,13,"striking at 050 degrees with an apparently vertical dip. It is"]
[532,14,"about 80 m long and averages 5 m in width. Most of the pegmatite is"]
[532,15,"homogeneous and contains 25-35% spodumene in rather evenly"]
[532,16,"distributed green crystals up to 30 cm in length. These tend to be"]
[532,17,"oriented perpendicular to the contacts. Spodumene content decreases"]
[532,18,"where the dyke pinches out at near its ends. Another 40% of the"]
[532,19,"dyke is made up of white and pink microcline feldspar with crystals"]
[532,20,"up to 60 cm in length. Quartz pods situated near the centre"]
[532,21,"probably represent a segmented quartz core zone. Approximately 15-"]
[532,22,"20% of the dyke has been affected by secondary alteration involving"]
[532,23,"the development of a mixture of pink, fine-grained sericite and"]
[532,24,"albite, particularly near the contacts. No Be, Cb-Ta or Sn minerals"]
[532,25,"have been found to date.  A reserve of 25,000 tons grading on the"]
[532,26,"order of 2.2% Li2O was calculated by Canadian Superior Exploration"]
[532,27,"Ltd. on the basis of surface sampling and geological projection to"]
[532,28,"a depth of 100 feet."]
[533,1,"The Bin pegmatite dyke occurs in the Yellowknife metasedimentary"]
[533,2,"basin within the Slave structural province. It is a member of the"]
[533,3,"Yellowknife pegmatite field, a series of pegmatites east of"]
[533,4,"Yellowknife, NWT that are probably associated with a number of late"]
[533,5,"Archean granitoid intrusions of the Prosperous Granite suite. The"]
[533,6,"pegmatites tend to occur in Burwash Formation sediments where those"]
[533,7,"have been metamorphosed to lower amphibolite facies. The pegmatites"]
[533,8,"show a broad zonation around the larger intrusives in the area; an"]
[533,9,"inner zone dominated by Be-rich pegmatites is successively enclosed"]
[533,10,"by zones dominated by Cb-Ta-rich varieties and then by Li-rich"]
[533,11,"varieties.  The pegmatite is a member of the Li-rich Buckham Lake"]
[533,12,"East series. It strikes at about 060 degrees and although an exact"]
[533,13,"dip is not reported, it appears to be steep. The dyke is about 125"]
[533,14,"m long, averages 12 m wide and has been offset about 20 m into two"]
[533,15,"separate bodies. The western segment contains more than 25%"]
[533,16,"spodumene, 35% white microcline as crystals up to 45 cm across, 15%"]
[533,17,"quartz and 5% muscovite in books up to 3 cm across. About 10% of"]
[533,18,"the dyke has been affected by secondary alteration to a fine-"]
[533,19,"grained mixture of sericite and albite. Minor amounts of beryl and"]
[533,20,"columbite-tantalite are reported to be associated with the"]
[533,21,"secondary minerals. The eastern segment appears to contain somewhat"]
[533,22,"less than 25% spodumene but otherwise is similar to the western one."]
[533,23,"A reserve of 99,000 tons grading 1.75% Li2O was estimated by"]
[533,24,"Canadian Superior Exploration Ltd. on the basis of one chip sample"]
[533,25,"and geological projection to a depth of 100 feet (AR 080278)."]
[534,1,"The Thor Lake deposits are situated in the alkaline Blatchford"]
[534,2,"Lake Plutonic Complex which intrudes Archean plutonic rocks and"]
[534,3,"Archean metasediments of the Yellowknife Supergroup at the southern"]
[534,4,"margin of the Slave Province. Geological mapping by Davidson (1972,"]
[534,5,"1978) led to the recognition of several units that make up this"]
[534,6,"multiphase, sub-circular ring complex, some 23 km in diameter and"]
[534,7,"235 square km in area. Successive units range from gabbro, with"]
[534,8,"anorthosite inclusions, through leuco-ferrodiorite, quartz syenite"]
[534,9,"and granite, to peralkaline granite and syenite (Davidson, 1982)."]
[534,10,"It is convenient to consider the Blatchford Lake Complex in two"]
[534,11,"parts: the earlier, western part including the Caribou Lake gabbro,"]
[534,12,"Whiteman Lake quartz syenite, Hearne Channel granite and Mad Lake"]
[534,13,"granite, and the later, more extensive Grace Lake granite with its"]
[534,14,"Thor Lake syenite core. Rare element minerals are enriched in the"]
[534,15,"later peralkaline unit.  Isotopic determinations indicate an early"]
[534,16,"Aphebian age (2150 Ma) for the Complex (Davidson, 1982). Bowring et"]
[534,17,"al. (1984) obtained U-Pb zircon ages of 2175 +/- 7 Ma for an older"]
[534,18,"alkaline phase (Hearne Channel Granite) and 2094 +/- 94 Ma for the"]
[534,19,"younger peralkaline phase, the Thor Lake syenite.  Mineralization"]
[534,20,"is developed in the central core of the complex which is referred"]
[534,21,"to as the Thor Lake Syenite, a 30 square km oval in the centre of"]
[534,22,"the Grace Lake Granite pluton. Six varieties of syenite including a"]
[534,23,"pegmatitic phase have been identified on the basis of textural and"]
[534,24,"compositional differences. In the vicinity of the mineral deposits,"]
[534,25,"the syenite consists of a massive medium to coarse grained"]
[534,26,"assemblage of K-feldspar with interstitial sodic amphibole,"]
[534,27,"magnetite and minor quartz."]
[535,1,"An area of late stage veining, alteration and mineralization is"]
[535,2,"centred on Thor Lake in the western part of the Thor Lake syenite."]
[535,3,"This area contains five zones of Nb, Ta and REE enrichment along"]
[535,4,"with high concentrations of Zr, Ga, Be, F and locally Y, Th and U."]
[535,5,"Only the Lake and T zones are of potential economic interest.  Lake"]
[535,6,"Zone The Lake Zone is a 2 square km, triangular-shaped area of dark,"]
[535,7,"altered and brecciated rock beneath and south of Thor Lake. It is"]
[535,8,"the largest of the five mineralized zones and contains Nb, Ta, REE,"]
[535,9,"Y and Zr. Two main alteration types are present: 1) an albitite and"]
[535,10,"K-feldspar-rich syenitic pegmatite resembling a chaotic breccia"]
[535,11,"that has been intensely metasomatized; and 2) a diverse suite of"]
[535,12,"rocks rich in mafic minerals such as aegirine, biotite, Fe and Ti"]
[535,13,"oxides, albite, K-feldspar and quartz. Accessory minerals include"]
[535,14,"zircon, fluorite, allanite, ferro-columbite and members of the"]
[535,15,"bastnaesite-group. The mafic rocks are also brecciated but"]
[535,16,"alteration is more intense. A body of nepheline syenite including"]
[535,17,"minerals such as sodalite, pectolite, analcite, catapleiite,"]
[535,18,"eudialyte, andradite, willemite, mesolite and natrolite has been"]
[535,19,"identified below the Lake Zone. It is in part altered, but is not"]
[535,20,"enriched in incompatible elements and is believed to be a late"]
[535,21,"stage intrusion. Twenty-nine drill holes in the Lake Zone have"]
[535,22,"outlined a resource of 65 million tonnes grading 0.03% Ta, 0.4% Nb,"]
[535,23,"1.7% combined REE and 3.5% Zr (Trueman et al., 1988).  T Zone The T"]
[535,24,"Zone trends north-northwest away from the Lake Zone for"]
[535,25,"approximately 1 km, is up to 275 m in width and extends to a depth"]
[535,26,"of 150 m. It straddles the Grace Lake Granite-Thor Lake Syenite"]
[535,27,"contact and offsets it."]
[536,1,"Near the Lake Zone, it is dyke-like and is known as the South T"]
[536,2,"Zone. The northern end, known as the North T Zone, is a small"]
[536,3,"circular body. Some 15 lithologies arranged in concentric to sub-"]
[536,4,"horizontal shells have been recognized in the T Zone and have been"]
[536,5,"grouped into four zones. The T Zone is of particular interest for"]
[536,6,"its Be content.  The outermost Wall zone is a pink to buff"]
[536,7,"weathering, massive unit of variable texture dominated by relict"]
[536,8,"microcline, albite and minor quartz. Columbite is a common"]
[536,9,"accessory mineral and high levels of gallium are associated with"]
[536,10,"feldspars in which it substitutes for trivalent aluminum. Moving in,"]
[536,11,"the Lower Intermediate zone includes five lithologies consisting"]
[536,12,"of various proportions of quartz, biotite, feldspar, chlorite and"]
[536,13,"magnetite. Beryllium is present in the mineral phenacite. Yttrium"]
[536,14,"and rare-earth elements are in an intimate admixture of a metamict"]
[536,15,"species believed to be thorite. Niobium is in the mineral columbite,"]
[536,16,"which occurs as massive, granular and radiating spicular"]
[536,17,"aggregates. Other minerals include purple fluorite and dolomite."]
[536,18,"The Upper Intermediate zone is transitional between the Lower"]
[536,19,"Intermediate and central Quartz zones and is similar in gross"]
[536,20,"mineralogy to the former. It differs in that polylithionite and"]
[536,21,"phenacite are particularly abundant, making this zone the most"]
[536,22,"important host for beryllium. Polylithionite is of interest for its"]
[536,23,"lithium and rubidium content. Other Be minerals include bertrandite,"]
[536,24,"gadolinite and helvite. Y and REE are present in bastnaesite-group"]
[536,25,"minerals, thorite and Th-Y silicates.  The Quartz zone occupies the"]
[536,26,"core of the North T Zone and is present in patches within the South"]
[536,27,"T Zone. It is essentially monomineralic, consisting of white and"]
[536,28,"greyish translucent quartz."]
[537,1,"A total of 124 drill holes in the T Zone has outlined 1.6 million"]
[537,2,"tonnes grading 0.85% BeO, including 435,000 t of 1.4% BeO, 0.26%"]
[537,3,"Y2O3, plus Nd, Sm, Gd, and Ga.  Fluorite Zone The Fluorite zone is"]
[537,4,"located at the southeastern end of the Lake Zone. It is"]
[537,5,"approximately 150 m in length, up to 15 m wide and consists of a"]
[537,6,"dense, dark-brown siliceous rock with occasional pods of fluorite."]
[537,7,"Accessory minerals include zircon, xenotime, allanite and members"]
[537,8,"of the  bastnaesite-group.  R Zone The R zone is a series of"]
[537,9,"pegmatitic lenses and patchy zones of albitization in foliated"]
[537,10,"syenite. It is about 4 km long, up to 30 m wide and is locally"]
[537,11,"enriched in Be, Th, Nb and REE.  S Zone  The S zone is subparallel"]
[537,12,"to the R zone and lies about 200 m north of it. It is 300 m long,"]
[537,13,"averages 10 m in width and consists of syenite altered to albite"]
[537,14,"and albite-polylithionite. Patchy enrichments of Be, U, REE, Y and"]
[537,15,"particularly Nb in ferro-columbite are present.  The Thor Lake area"]
[537,16,"was first staked for uranium and REE in 1970. In 1976, Highwood"]
[537,17,"Resources discovered anomalous levels of Nb and Y as well as REE."]
[537,18,"By 1985, a 500 m long decline had been driven into the North T Zone"]
[537,19,"to facilitate bulk sampling for metallurgical testing and related"]
[537,20,"marketing studies. A feasibility study was completed in 1989, after"]
[537,21,"which Highwood s joint venture partner Hecla Mining Co. decided to"]
[537,22,"withdraw from the project, citing difficulties in securing"]
[537,23,"commitments from potential customers. The deposits remain one of"]
[537,24,"the largest beryllium reserves in the western world."]
[538,1,"The Hid pegmatite dyke occurs in the Yellowknife metasedimentary"]
[538,2,"basin within the Slave structural province. It is a member of the"]
[538,3,"Yellowknife pegmatite field, a series of pegmatites east of"]
[538,4,"Yellowknife, NWT that are probably associated with a number of late"]
[538,5,"Archean granitoid intrusions of the Prosperous Granite suite. The"]
[538,6,"pegmatites tend to occur in Burwash Formation sediments where those"]
[538,7,"have been metamorphosed to lower amphibolite facies. The pegmatites"]
[538,8,"show a broad zonation around the larger intrusives in the area; an"]
[538,9,"inner zone dominated by Be-rich pegmatites is successively enclosed"]
[538,10,"by zones dominated by Cb-Ta-rich varieties and then by Li-rich"]
[538,11,"varieties.  The Hid pegmatite is a Li-rich member of the Buckham"]
[538,12,"Lake West series. The dyke is approximately 200 m long, up to 6 m"]
[538,13,"wide and is discontinuous. It strikes at 070 degrees and dips"]
[538,14,"steeply to the north, crosscutting foliation in the enclosing"]
[538,15,"cordierite quartz biotite schist. The pegmatite is poorly zoned,"]
[538,16,"with microcline, quartz and muscovite as the dominant gangue"]
[538,17,"minerals. Spodumene constitutes 20-25% by volume. Irregular but"]
[538,18,"strong albitization is present.  A reserve of 50,000 tons grading 1."]
[538,19,"56% Li2O has been calculated on the basis of two surface samples"]
[538,20,"and geological projection to a depth of 100 feet (AR 080275)."]
[539,1,"The Mac or McDonald pegmatite dyke occurs in the Yellowknife"]
[539,2,"metasedimentary basin within the Slave structural province. It is a"]
[539,3,"member of the Yellowknife pegmatite field, a series of pegmatites"]
[539,4,"east of Yellowknife, NWT that are probably associated with a number"]
[539,5,"of late Archean granitoid intrusions of the Prosperous Granite"]
[539,6,"suite. The pegmatites tend to occur in Burwash Formation sediments"]
[539,7,"where those have been metamorphosed to lower amphibolite facies."]
[539,8,"The pegmatites show a broad zonation around the larger intrusives"]
[539,9,"in the area; an inner zone dominated by Be-rich pegmatites is"]
[539,10,"successively enclosed by zones dominated by Cb-Ta-rich varieties"]
[539,11,"and then by Li-rich varieties.  The Mac pegmatite is a Li-rich"]
[539,12,"member of the Buckham Lake West series. The dyke is 120 m long and"]
[539,13,"averages 10 m in width. It strikes 280 degrees, dips 60 degrees to"]
[539,14,"the south and appears to be conformable with foliation in the"]
[539,15,"enclosing cordierite quartz biotite schist. Zoning is well-"]
[539,16,"developed, particularly in the central parts of the pegmatite, with"]
[539,17,"the following sequence beginning in the core and moving outwards:"]
[539,18,"1. quartz-muscovite core  2. Kfeldspar-quartz-spodumene-amblygonite-"]
[539,19,"muscovite  3. quartz-plagioclase-spodumene-muscovite  4. quartz-"]
[539,20,"plagioclase-muscovite  5. quartz-muscovite-plagioclase border zone."]
[539,21,"The intermediate zones are the largest by volume and the core is"]
[539,22,"discontinuous, consisting of a number of separate lenses. Muscovite-"]
[539,23,"rich zones are thicker in the hangingwall area. Alteration in the"]
[539,24,"form of a mixture of albite and sericite is common, particularly in"]
[539,25,"the central part of the dyke."]
[540,1,"Individual spodumene crystals in the Mac dyke reach lengths of 3"]
[540,2,"metres and most are larger than about 30 cm. There is a tendency"]
[540,3,"for these to be oriented perpendicular to dyke contacts. The"]
[540,4,"spodumene is relatively fresh compared with that in many of the"]
[540,5,"other dykes in the area. In addition to the lithium minerals noted"]
[540,6,"above, Jolliffe has described minor quantities of lithiophyllite."]
[540,7,"Notable quantities of white beryl and both fine-grained equant and"]
[540,8,"platy columbite-tantalite are associated with the albite-sericite"]
[540,9,"alteration.  A reserve of 73,000 tons grading about 2% Li2O has"]
[540,10,"been estimated on the basis of two chip samples, visual estimates"]
[540,11,"and geological projection to a depth of 100 feet (AR 080276)."]
[540,12,"Although no assays of Ta/Nb are available, Jolliffe noted several"]
[540,13,"areas within the dyke, ranging in size from three to ten square"]
[540,14,"feet, in which he estimated between 1 and 2 percent tantalite."]
[541,1,"The Norma gold prospect is situated in the Yellowknife Basin, a"]
[541,2,"supracrustal belt within the Archean Slave structural province."]
[541,3,"Gold occurs in quartz veins hosted by turbiditic metasediments"]
[541,4,"belonging to the Burwash Formation which is part of the Archean"]
[541,5,"Yellowknife Supergroup. The sediments include medium-bedded"]
[541,6,"greywackes rhythmically interbedded with argillite and occasional"]
[541,7,"layers of grey to black, thin-bedded phyllite. The strata are"]
[541,8,"strongly deformed into folds with axes plunging steeply to the"]
[541,9,"northeast. Regional metamorphic grade is lower greenschist."]
[541,10,"The Norma vein has been traced on surface for about"]
[541,11,"550 m. It averages 15 cm in thickness and is concordant with"]
[541,12,"bedding, following an argillite layer in the turbidites. Several"]
[541,13,"minor quartz veins parallel it nearby. It is composed mainly of"]
[541,14,"rusty weathering, grey quartz containing a variable amount of wall"]
[541,15,"rock inclusions along with minor carbonate, feldspar, biotite and"]
[541,16,"chlorite. Metallic minerals constitute less than 1% of the vein by"]
[541,17,"volume and include arsenopyrite, galena, chalcopyrite, marcasite,"]
[541,18,"scheelite and native gold. Sphalerite and pyrrhotite have been"]
[541,19,"tentatively identified. Native gold tends to occur with galena and"]
[541,20,"the other sulphide minerals, particularly near the slate wall rock,"]
[541,21,"near inclusions of wall rock, and in chloritic slips."]
[541,22,"The bulk of better grade material is present in two main"]
[541,23,"shoots named the"]
[542,1,"Much of the hangingwall argillite in its vicinity has been strongly"]
[542,2,"chloritized, while silicification of the footwall greywacke appears"]
[542,3,"to have taken place. Also in the footwall is a 20 m wide area in"]
[542,4,"which the sedimentary strata have been strongly contorted, broken"]
[542,5,"and infilled with numerous stringers and irregular bodies of quartz."]
[542,6,"Shoot B was reported to be about 10 m long, 0.3 m thick and to"]
[542,7,"contain in excess of 1 oz/ton Au. Shallow diamond drilling revealed"]
[542,8,"only erratic values of gold.  Discovered in 1939, the prospect has"]
[542,9,"received much exploration attention since then. High surface assays"]
[542,10,"and heavily promoted results of a drill program led to a premature"]
[542,11,"and abortive attempt at production in 1946 with a reserve estimate"]
[542,12,"of 105,000 tons grading 1.0 oz/ton Au. A total of 252 tons were"]
[542,13,"eventually milled with a production of 7.5 oz gold. In 1947, an"]
[542,14,"independent consultant (A.D. Hellens) was called in and calculated"]
[542,15,"a new reserve of 1,200 tons grading 0.65 oz/ton Au to a depth of"]
[542,16,"225 feet."]
[543,1,"The Thor (Echo Lake, Tanco) pegmatite dyke swarm occurs in the"]
[543,2,"Yellowknife Basin within the Slave structural province. It is a"]
[543,3,"member of the Yellowknife pegmatite field, a series of pegmatites"]
[543,4,"east of Yellowknife, NWT that are probably associated with a number"]
[543,5,"of late Archean granitoid intrusions of the Prosperous Granite"]
[543,6,"suite. The pegmatites tend to occur in Burwash Formation sediments"]
[543,7,"where those have been metamorphosed to lower amphibolite facies."]
[543,8,"The pegmatites show a broad zonation around the larger intrusives"]
[543,9,"in the area; an inner zone dominated by Be-rich pegmatites is"]
[543,10,"successively enclosed by zones dominated by Cb-Ta-rich varieties"]
[543,11,"and then by Li-rich varieties.  The Thor swarm is a Li-rich member"]
[543,12,"of the Thor-Echo series. Numerous northwest striking and steeply to"]
[543,13,"vertically dipping pegmatite dykes occur in an area about 1200 m"]
[543,14,"long and 650 m wide. Both zoned and unzoned types are present"]
[543,15,"although the latter are most common. They have been divided into"]
[543,16,"four groups as follows:  WEST  Approximately 45 m long and up to 5"]
[543,17,"m thick, this dyke is well-zoned, grading from a quartz - spodumene"]
[543,18,"? K-feldspar core through a plagioclase - K-feldspar - muscovite -"]
[543,19,"quartz ? spodumene intermediate zone to a plagioclase - muscovite -"]
[543,20,"quartz wall zone. Spodumene crystals are generally oriented"]
[543,21,"perpendicular to the contacts. Alteration to a fine-grained mixture"]
[543,22,"of albite and sericite is widespread. Beryl, columbite-tantalite,"]
[543,23,"apatite and altered triphylite are associated with alteration."]
[543,24,"TANCO  This dyke lies along strike from the WEST dyke and is about"]
[543,25,"180 m long and up to 8 m wide. It is relatively homogeneous,"]
[543,26,"consisting mainly of quartz, albite and minor muscovite."]
[544,1,"Blocky K-feldspar, spodumene and amblygonite are dispersed"]
[544,2,"throughout the dyke but are more abundant in the central portions."]
[544,3,"Beryl and columbite-tantalite are generally found with them."]
[544,4,"CENTRAL  This swarm consists of two sets of dykes with slightly"]
[544,5,"differing orientations. A northwest trending set is generally"]
[544,6,"unzoned, with spodumene and K-feldspar oriented perpendicular to"]
[544,7,"dyke margins. Alteration to fine grained albite-sericite is present"]
[544,8,"although beryl, columbite-tantalite and phosphate minerals are rare."]
[544,9,"A northeast trending set of dykes connects or bridges the"]
[544,10,"northwest set and is characterized by unoriented K-feldspar and"]
[544,11,"spodumene as well as a lack of alteration and the absence of rare"]
[544,12,"element mineralization.  EASTERN  The eastern set strikes"]
[544,13,"northwesterly and dips steeply to the northeast. Internal structure"]
[544,14,"varies from completely unzoned to well-zoned along the length of"]
[544,15,"the dykes. Spodumene content varies from abundant to absent and Nb-"]
[544,16,"Ta and Be mineralization is rare.  Various phases of exploration"]
[544,17,"have been carried out since the mid-1950 s, including trenching,"]
[544,18,"bulk sampling and some diamond drilling. A reserve of 1.84 million"]
[544,19,"tons grading 1.5% Li2O based on surface sampling and geological"]
[544,20,"projection to a depth of 100 feet has been calculated by Canadian"]
[544,21,"Superior Exploration (AR 080478)."]
[545,1,"The Big Hill East pegmatite dyke swarm, also known as the BA or"]
[545,2,"Murph, occurs in the Yellowknife metasedimentary basin within the"]
[545,3,"Slave structural province. It is a member of the Yellowknife"]
[545,4,"pegmatite field, a series of pegmatites east of Yellowknife, NWT"]
[545,5,"that are probably associated with a number of late Archean"]
[545,6,"granitoid intrusions of the Prosperous Granite suite. The"]
[545,7,"pegmatites tend to occur in Burwash Formation sediments where those"]
[545,8,"have been metamorphosed to lower amphibolite facies. The pegmatites"]
[545,9,"show a broad zonation around the larger intrusives in the area; an"]
[545,10,"inner zone dominated by Be-rich pegmatites is successively enclosed"]
[545,11,"by zones dominated by Cb-Ta-rich varieties and then by Li-rich"]
[545,12,"varieties.  The Big Hill East pegmatites are Li-rich varieties"]
[545,13,"occuring in a northeasterly trending dyke swarm that cuts the trend"]
[545,14,"of bedding in the host metasediments at a low angle. The swarm has"]
[545,15,"a strike length of 1070 m and a width of about 150 m. Individual"]
[545,16,"dykes are up to 15 metres wide. Immediately north of this swarm,"]
[545,17,"the Big North swarm probably represents a faulted off extension of"]
[545,18,"the Big Hill East.  The pegmatites are classified as simple rather"]
[545,19,"than zoned, since crystals are generally a few centimetres across"]
[545,20,"and the various minerals are distributed relatively evenly"]
[545,21,"throughout. In order of abundance, the minerals present are:"]
[545,22,"microcline, spodumene, quartz and muscovite. In the larger dykes,"]
[545,23,"spodumene generally occurs as pale green crystals averaging 8 cm in"]
[545,24,"size which tend to be oriented perpendicular to the contacts and"]
[545,25,"dip east at 10 - 30 degrees. However, both microcline and spodumene"]
[545,26,"occur as crystals up to 0.5 m across locally. A secondary, fine"]
[545,27,"grained plagioclase-muscovite alteration is common, constituting as"]
[545,28,"much as 30% of the dykes in places."]
[546,1,"Where present, it has also affected spodumene and greatly reduced"]
[546,2,"its abundance. The alteration is particularly common where dykes"]
[546,3,"finger out and may be somewhat more abundant in the Big North swarm."]
[546,4,"Reserves are estimated (AR 080273) at 3.1 million tons grading 1."]
[546,5,"5% Li2O to a depth of 150 m. One old drill hole from the 1950s (AR"]
[546,6,"082348) showed the dykes to remain constant in width to that depth."]
[546,7,"At the Big North swarm, the same report estimates a reserve of 160,"]
[546,8,"000 tons grading 1.27% Li2O to a depth of 30 m."]
[547,1,"The Jake pegmatite dyke swarm occurs in the Yellowknife"]
[547,2,"metasedimentary basin within the Slave structural province. It is a"]
[547,3,"member of the Yellowknife pegmatite field, a series of pegmatites"]
[547,4,"east of Yellowknife, NWT that are probably associated with a number"]
[547,5,"of late Archean granitoid intrusions of the Prosperous Granite"]
[547,6,"suite. The pegmatites tend to occur in Burwash Formation sediments"]
[547,7,"where those have been metamorphosed to lower amphibolite facies."]
[547,8,"The pegmatites show a broad zonation around the larger intrusives"]
[547,9,"in the area; an inner zone dominated by Be-rich pegmatites is"]
[547,10,"successively enclosed by zones dominated by Cb-Ta-rich varieties"]
[547,11,"and then by Li-rich varieties.  The Jake dyke swarm consists of 15"]
[547,12,"generally northwesterly striking pegmatite dykes of the Li-rich"]
[547,13,"variety, each up to 5 m wide and 1000 m long and all contained"]
[547,14,"within an area about 1 km by 1.2 km. Unlike many of the other"]
[547,15,"members of the Yellowknife pegmatite field, these are hosted by"]
[547,16,"intrusive granodiorite of the Defeat Plutonic Suite rather than"]
[547,17,"metasediments. The dykes are immediately northeast of the Paint"]
[547,18,"dyke swarm and may in fact be related to them.  Although some of"]
[547,19,"the dykes exhibit a quartz core, in general they are not well-zoned"]
[547,20,"and can be classified as simple. Mineralogy is similar throughout"]
[547,21,"the swarm although the proportions of minerals in each vary to some"]
[547,22,"degree. The Jake #1 dyke is described in most detail and consists"]
[547,23,"mainly of white, euhedral feldspar, quartz and muscovite together"]
[547,24,"with about 10% spodumene and minor amblygonite. Spodumene occurs as"]
[547,25,"colourless to pale green-grey, zoned crystals up to 30 cm long that"]
[547,26,"are generally oriented perpendicular to the contacts with host"]
[547,27,"granodiorite."]
[548,1,"Spodumene tends not to occur in the margins of the dyke."]
[548,2,"Amblygonite is greyish-white and typically contains small amounts"]
[548,3,"of pale blue lazulite. Feldspar crystals occasionally contain minor"]
[548,4,"amounts of platy tantalite-columbite. Other minor accessory"]
[548,5,"minerals include yellow-green apatite, galena, cassiterite and"]
[548,6,"possible wolframite.  Five of the thirteen dykes contain"]
[548,7,"significant amounts of spodumene. A 1981 assessment report (AR"]
[548,8,"081352) calculates a reserve of approximately 2.1 million tonnes"]
[548,9,"grading 1.12% Li2O on the basis of surface sampling, visual"]
[548,10,"estimation and geological projection to a depth equivalent to 1/2"]
[548,11,"of the sampled strike-length (maximum of 380 m). Two more dykes"]
[548,12,"were described as potentially interesting but having lower visual"]
[548,13,"estimates of grade."]
[549,1,"The Paint pegmatite dyke swarm occurs in the Yellowknife"]
[549,2,"metasedimentary basin within the Slave structural province. It is a"]
[549,3,"member of the Yellowknife pegmatite field, a series of pegmatites"]
[549,4,"east of Yellowknife, NWT that are probably associated with a number"]
[549,5,"of late Archean granitoid intrusions of the Prosperous Granite"]
[549,6,"suite. The pegmatites tend to occur in Burwash Formation sediments"]
[549,7,"where those have been metamorphosed to lower amphibolite facies."]
[549,8,"The pegmatites show a broad zonation around the larger intrusives"]
[549,9,"in the area; an inner zone dominated by Be-rich pegmatites is"]
[549,10,"successively enclosed by zones dominated by Cb-Ta-rich varieties"]
[549,11,"and then by Li-rich varieties.  The Paint Li-rich dyke swarm"]
[549,12,"consists of four northwesterly striking and steeply southwesterly"]
[549,13,"dipping pegmatite dykes up to 1.6 m wide and 1000 m long. Unlike"]
[549,14,"many of the other members in the Yellowknife pegmatite field, they"]
[549,15,"are hosted by intrusive granodiorite of the Defeat Plutonic Suite"]
[549,16,"rather than metasediments. They are immediately southwest of the"]
[549,17,"Jake swarm and may in fact be related to them.  The spodumene-"]
[549,18,"bearing dykes are not zoned and may be classified as simple,"]
[549,19,"although a number of smaller, non-lithium rich dykes in the"]
[549,20,"vicinity are well-zoned. The gangue mineralogy of the dykes is not"]
[549,21,"discussed in available references other than mentioning the"]
[549,22,"presence of pink feldspar. Spodumene and much lesser amblygonite"]
[549,23,"are the only potentially economic minerals.  Accessory minerals"]
[549,24,"include columbite-tantalite, sphalerite, galena and cassiterite."]
[549,25,"Spodumene occurs as large, light green crystals usually oriented at"]
[549,26,"high angles to dyke contacts. On surface, these have been altered"]
[549,27,"to a chalky white colour."]
[550,1,"Amblygonite occurs in amounts of up to 5% as small patches lacking"]
[550,2,"crystal form. It is also found in one of the smaller, zoned and"]
[550,3,"presumably unrelated pegmatites.  A reserve of 2.774 million tonnes"]
[550,4,"grading 1.75% Li2O was calculated in AR 081137 on the basis of"]
[550,5,"crystal counting (with some check assays) and geological projection"]
[550,6,"to a depth of 500 m. A 100 kg bulk sample was submitted to"]
[550,7,"Lakefield Research for metallurgical testing. The results showed"]
[550,8,"that a high grade lithium concentrate assaying 6.2% Li2O could be"]
[550,9,"produced at a recovery of 87%."]
[551,1,"The Ann (Reid Lake) pegmatite dyke occurs in the Yellowknife"]
[551,2,"metasedimentary basin within the Slave structural province. It is a"]
[551,3,"member of the Yellowknife pegmatite field, a series of pegmatites"]
[551,4,"east of Yellowknife, NWT that are probably associated with a number"]
[551,5,"of late Archean granitoid intrusions of the Prosperous Granite"]
[551,6,"suite. The pegmatites tend to occur in Burwash Formation sediments"]
[551,7,"where those have been metamorphosed to lower amphibolite facies."]
[551,8,"The pegmatites show a broad zonation around the larger intrusives"]
[551,9,"in the area; an inner zone dominated by Be-rich pegmatites is"]
[551,10,"successively enclosed by zones dominated by Cb-Ta-rich varieties"]
[551,11,"and then by Li-rich varieties.  The Ann dyke is a Li-rich variety."]
[551,12,"It strikes at 130 degrees, dips steeply to the south and is roughly"]
[551,13,"conformable with foliation in the enclosing metasediments. It has"]
[551,14,"been traced on land and under a lake by drilling for a strike"]
[551,15,"length of 1200 m and has an average thickness of 12 m. The"]
[551,16,"pegmatite is unzoned, consisting of grey plagioclase, milky to grey"]
[551,17,"quartz, a variable amount of pink feldspar and scattered books of"]
[551,18,"muscovite. Spodumene occurs as platy greenish grey crystals up to"]
[551,19,"25 cm long. Amblygonite is reported and the presence of high Li2O"]
[551,20,"assays in the absence of spodumene suggests that it may be"]
[551,21,"relatively abundant.  Drilling in 1956 (AR 082243) intersected the"]
[551,22,"dyke at depths of over 100 m and demonstrated continuity in width"]
[551,23,"and grade. A possible reserve of 3,335,600 tons grading 1.92% Li2O"]
[551,24,"is reported in Canadian Deposits Not Currently Being Mined (1989);"]
[551,25,"estimate is from Lasmanis (1978)."]
[552,1,"The Cassidy Point deposit lies near the western edge of the Archean"]
[552,2,"Yellowknife Metasedimentary Basin, a vast area underlain largely by"]
[552,3,"Burwash Formation greywacke-argillite turbidites belonging to the"]
[552,4,"Yellowknife Supergroup (Henderson, 1985). These were folded and"]
[552,5,"faulted during at least two phases of Archean deformation, and"]
[552,6,"metamorphosed to lower amphibolite grade in a 40 km wide band"]
[552,7,"including the Cassidy Point deposit. The deposit lies approximately"]
[552,8,"3 km west of a north-south elongate pluton belonging to the Archean"]
[552,9,"Prosperous granite, which is a group of plutons and smaller bodies"]
[552,10,"of massive, unmetamorphosed granite, and abundant related pegmatite"]
[552,11,"dykes.  The deposit is an auriferous quartz vein system within a"]
[552,12,"shear, cutting folded metagreywackes and incipiently nodular"]
[552,13,"schists of the Burwash Formation. The sediments in the southern"]
[552,14,"Prosperous Lake area have been folded about moderately to gently SE-"]
[552,15,"plunging and moderately to steeply NW-plunging axes, while the"]
[552,16,"auriferous zone trends NE/40 degrees NW (MIR 81). According to AR"]
[552,17,"081344, the veins occupy a shear folded into a syncline plunging"]
[552,18,"gently along an east-west axis; this plunge, and the dips of the"]
[552,19,"shear"]
[553,1,"Numerous grab samples from the main pit have assayed over 30 g/t Au."]
[553,2,"Typically, gold values increase with sphalerite content, and a 0.5"]
[553,3,"m drill intersection in 1955 assayed 26 g/t Au and 4.4% Zn. A 0.2 m"]
[553,4,"intersection assayed 32 g/t Au and 26.2% Zn, and a 1.2 m section"]
[553,5,"assayed 0.12% Zn, 2.4% Pb and 20 g/t Au.  A bulk sample weighing"]
[553,6,"1112 tonnes was taken from a decline driven into the main vein in"]
[553,7,"1986, and was processed at the Con mill, where a 97.12% recovery"]
[553,8,"was attained. The ore averaged 12.7 g/t Au. The latest reserve"]
[553,9,"estimates are from 1981 (AR 081344) and state proven reserves of"]
[553,10,"1400 tonnes grading 15.43 g/t Au, amenable to open pit mining with"]
[553,11,"a strip ratio of 4:3."]
[554,1,"The Vega showing or deposit lies near the western side of the"]
[554,2,"Archean Yellowknife Metasedimentary Basin, a vast area underlain"]
[554,3,"largely by Burwash Formation greywacke- argillite turbidites"]
[554,4,"belonging to the Yellowknife Supergroup (Henderson, 1985). These"]
[554,5,"were folded and faulted during at least two phases of Archean"]
[554,6,"deformation (Fyson 1987, Brophy 1987), and metamorphosed to lower"]
[554,7,"amphibolite grade in a 40km-wide band including the showing. The"]
[554,8,"showing lies ~2.5km SW of a N-S elongate pluton belonging to the"]
[554,9,"Prosperous granite, which is a group of plutons and smaller bodies"]
[554,10,"of massive, unmetamorphosed granite, and abundant related pegmatite"]
[554,11,"dykes, which invaded the Burwash sediments in the late Archean."]
[554,12,"Jolliffe (1941) shows a Au occurrence in a NW-trending vein on the"]
[554,13,"south side of McKeekan Bay, the southern bay of Prosperous Lake"]
[554,14,"(GSC Map 868A). Assessment records show that trenching and drilling"]
[554,15,"tested two quartz veins here in 1944, one of the south side of"]
[554,16,"Mckeekan Bay striking NW for 128m, and one on the north side, 300m"]
[554,17,"NNE of the first, striking WNW for 106m. The northern one was"]
[554,18,"opened in 5 trenches. Another trench tested a target inbetween the"]
[554,19,"two veins (another vein?). The southern quartz vein coincides with"]
[554,20,"Jolliffe s gold occurrence and was tested with 6 trenches. Five"]
[554,21,"holes were drilled along 400m including the south vein and the area"]
[554,22,"to its north. A sixth drill hole was collared on a small island in"]
[554,23,"the Bay roughly 750m SE of the vein exposure.  Results of this work"]
[554,24,"are not available, but in a report dealing with the Tom and"]
[554,25,"Ptarmigan Mines property, 1500m SW of Vega, the Vega is referred to"]
[554,26,"as a deposit for which small reserves of gold ore were outlined,"]
[554,27,"presumably in the late 1940s."]
[555,1,"Nearby deposits such as Tom, Ptarmigan and Cassidy Point are hosted"]
[555,2,"by discordant quartz veins mineralized with pyrite, sphalerite,"]
[555,3,"galena and locally other sulphides, cutting turbiditic"]
[555,4,"metasediments near NNW-trending, Early Proterozoic sinistral faults."]
[556,1,"The showing occurs in the Yellowknife (YK) Volcanic Belt. This"]
[556,2,"Archean supracrustal belt trends north for roughly 8.5 km and"]
[556,3,"includes a 10 - 12 km thick, tholeitic basal sequence, the Kam"]
[556,4,"Group, overlain by 2 km of dominantly calc-alkaline volcanics and"]
[556,5,"turbiditic sediments of the Banting Group. The volcanic belt is a"]
[556,6,"SE-facing, steeply dipping homoclinal sequence, flanked on the east"]
[556,7,"by a vast basin of Archean turbiditic metasediments, intruded to"]
[556,8,"the west by the Archean Western Plutonic Complex, and cut by"]
[556,9,"Proterozoic diabase dykes of the Dogrib and Indin generations."]
[556,10,"Regional metamorphism in the belt does not exceed greenschist"]
[556,11,"facies, except adjacent to the Western granodiorite. The entire"]
[556,12,"belt has been subjected to compressional stress that is manifested"]
[556,13,"by anastomosing, high-angle, reverse shear zones (Lewis 1987, MDD"]
[556,14,"GAC YK Field Guide p191). These early shears are pre-diabase in age,"]
[556,15,"and host most of the gold mineralization discovered to date in the"]
[556,16,"belt. A set of regional, Proterozoic sinistral faults post-date the"]
[556,17,"diabase; one of these is the Akaitcho Fault, which strikes NW just"]
[556,18,"south of the deposit.  The four formations of the Kam Group"]
[556,19,"comprise predominantly mafic volcanics with minor amounts of"]
[556,20,"dacitic volcanics and tuffaceous sediments, intruded by metagabbro"]
[556,21,"sills and sheeted dykes. The Crestaurum Formation, second from the"]
[556,22,"base, is regionally characterized by massive and pillowed basalts"]
[556,23,"or andesites with a number of laterally continuous felsic horizons,"]
[556,24,"invaded by synvolcanic(?) metagabbro sills and cut by a N-trending"]
[556,25,"swarm of metagabbro dykes (Padgham 1987; MDD GAC YK Field Guide"]
[556,26,"p11). The overlying Townsite Formation, on the other hand,"]
[556,27,"comprises dacitic pyroclastics intruded by metagabbro dykes and"]
[556,28,"sills, particularly one large sill which invaded the central part"]
[556,29,"of the Formation."]
[557,1,"On the property, the stratigraphy strikes 030 - 050 degrees and"]
[557,2,"dips 70 - 85 degrees east except in the vicinity of the west zone"]
[557,3,"where dips are 75 - 85 degrees west.  At the showing, massive,"]
[557,4,"pillowed and variolitic andesites of the Crestaurum have been noted"]
[557,5,"in the hangingwall of the west zone. Porphyritic dacite and the"]
[557,6,"major, central gabbro sill of the Townsite Formation form the"]
[557,7,"footwall, and a younger? (AR 082156) gabbro of the Townsite"]
[557,8,"Formation hosts the east zone. The volcanics have been"]
[557,9,"metamorphosed to lower greenschist facies, consisting of chlorite"]
[557,10,"and epidote after hornblende, hornblende after pyroxene, and"]
[557,11,"epidotized feldspar.  The anastomosing shear system which hosts the"]
[557,12,"ore at Giant Mine, to the south, is apparently displaced 1900 m NW"]
[557,13,"by the Akaitcho Fault, to continue as the Lynx west zone. The Lynx"]
[557,14,"shear system has been described as a west-dipping west zone, and a"]
[557,15,"subsidiary, gently east-dipping east zone, forming an anticlinal"]
[557,16,"geometry similar to that seen at Giant Mine, but with the crest of"]
[557,17,"the anticline removed by erosion. The Lynx deposits occur north of"]
[557,18,"Gold Lake and south of Vee Lake, but the NT MINFILE showing"]
[557,19,"Supercrest GKP Zone, just south of Gold Lake, partially underlies"]
[557,20,"the Lynx property and is geologically part of the Lynx system.  The"]
[557,21,"east zone shear strikes NE and dips 20 degrees SE. About 100 m"]
[557,22,"north of Gold Lake, where the shear is approximately 100 m wide, a"]
[557,23,"SW-plunging synclinal undulation in it hosts the Original Discovery."]
[557,24,"The Discovery comprises two strongly sheared, carbonatized and"]
[557,25,"silicified auriferous zones along the boundaries of the shear."]
[557,26,"South of the Original Discovery, the Lynx Fault, a west-trending"]
[557,27,"dextral splay of the Akaitcho Fault, probably displaces the zone"]
[557,28,"275 m west, from which point it continues south to the Akaitcho"]
[557,29,"Fault (AR 082156)."]
[558,1,"Its total length is roughly 730 m, and it has been traced down-dip"]
[558,2,"an unknown distance. About a kilometre NE of the Discovery, minor"]
[558,3,"gold values are present in chlorite-sericite schists in the NE"]
[558,4,"extension of the east zone (NMI Au 09). Grades and sizes in the"]
[558,5,"east zone were sub-economic in 1965 (AR 082156).  The west zone"]
[558,6,"occurs along the locus of the Vee Lake fault, an early (pre-"]
[558,7,"diabase) thrust fault with unknown vertical displacement and 1500 -"]
[558,8,"3000 m horizontal displacement. It strikes 010 - 020 degrees and"]
[558,9,"dips 70 - 75 degrees west, partially along the west side of the"]
[558,10,"Townsite central gabbro sill and partially along the Townsite -"]
[558,11,"Crestaurum contact. The fault extends 7 km, from the Akaitcho Fault"]
[558,12,"south of Gold Lake, through Vee Lake to the Hay-Duck Fault at"]
[558,13,"Jackson Lake, and is variably sheared along its length. It crosses"]
[558,14,"through Townsite dacites and metagabbros in the showing area, and"]
[558,15,"Crestaurum andesties and metagabbros north of Vee Lake. Drilling"]
[558,16,"has tested the west zone shear along most of the 1km between Gold"]
[558,17,"and Vee Lakes to an unknown depth. It comprises chlorite +/-"]
[558,18,"sericite schist. Mineralized lenses within this part of the shear"]
[558,19,"are small, and comprise lenses and veins of quartz +/- carbonate,"]
[558,20,"mineralized with pyrite +/-arsenopyrite and gold. The gold occurs"]
[558,21,"with the sulphides or as free gold. Good grades have been"]
[558,22,"encountered over narrow widths (Knutsen 1974). The zone has also"]
[558,23,"been drill-tested beneath Vee Lake (by different operators, working"]
[558,24,"the PRW claims) with negative results (NMI Au 10 and AR 061044)."]
[558,25,"In 1977 the west zone was judged to have a small open pit potential"]
[558,26,"(NMI Au 08)."]
[559,1,"The Big Hill West dyke swarm, also known as the BA or Murph, occurs"]
[559,2,"in the Yellowknife metasedimentary basin within the Slave"]
[559,3,"structural province. It is a member of the Yellowknife pegmatite"]
[559,4,"field, a series of pegmatites east of Yellowknife, NWT that are"]
[559,5,"probably associated with a number of late Archean granitoid"]
[559,6,"intrusions of the Prosperous Granite suite.  The pegmatites tend to"]
[559,7,"occur in Burwash Formation sediments where those have been"]
[559,8,"metamorphosed to lower amphibolite facies. The pegmatites show a"]
[559,9,"broad zonation around the larger intrusives in the area; an inner"]
[559,10,"zone dominated by Be-rich pegmatites is successively enclosed by"]
[559,11,"zones dominated by Cb-Ta-rich varieties and then by Li-rich"]
[559,12,"varieties.  The Big Hill West pegmatites are Li-rich varieties that"]
[559,13,"occur in a northeasterly trending dyke swarm, cutting the trend of"]
[559,14,"bedding in the host metasediments at a low angle. The swarm has a"]
[559,15,"strike length of 1280 metres and a width of about 150 metres. It"]
[559,16,"consists of four main subparallel dykes which are each up to 20"]
[559,17,"metres wide. The pegmatites are classified as simple rather than"]
[559,18,"zoned, since crystals are generally a few centimetres across and"]
[559,19,"the various minerals are distributed relatively evenly throughout."]
[559,20,"Minerals present, listed in order of abundance, are: microcline,"]
[559,21,"spodumene, quartz and muscovite. A secondary, fine grained"]
[559,22,"plagioclase-muscovite alteration is common, constituting as much as"]
[559,23,"50% of the dykes in places. It has affected spodumene and greatly"]
[559,24,"reduced its abundance in places. The alteration is particularly"]
[559,25,"common where dykes finger out. Although most of the dykes contain"]
[559,26,"abundant spodumene (up to 30% by volume), some contain less than 5%."]
[559,27,null]
[560,1,"Reserves are estimated (AR 080273) at 1.3 million tons grading 2%"]
[560,2,"Li2O although the writer felt that the number of samples taken was"]
[560,3,"too low to justify this grade figure. He noted, however, that"]
[560,4,"drilling in the 1950s (AR 082348) proved that the dykes continued"]
[560,5,"to at least a depth of 150 metres. In 1979, Canadian Superior"]
[560,6,"returned to excavate 13 new trenches. No new reserve figure was"]
[560,7,"estimated (AR 080957). Lasmanis (1978) estimates 7,888,000 tons of"]
[560,8,"rock grading 1.47% Li2O under the property, which includes the Big"]
[560,9,"North and Big Hill East deposits."]
[561,1,"The showing occurs in the Western Plutonic Complex where the"]
[561,2,"plutonic rocks invade the western edge of the Yellowknife Volcanic"]
[561,3,"Belt. This belt is a north trending, steeply dipping sequence of"]
[561,4,"Archean Yellowknife Supergroup volcanics and minor sediments. The"]
[561,5,"Complex along its western margin comprises felsic intrusions of at"]
[561,6,"least five ages, each mappable in a distinct terrane, forming a"]
[561,7,"body of batholithic proportions ranging from gabbro-tonalite to"]
[561,8,"trondhjemite-granodiorite-granite in composition. The Belt and the"]
[561,9,"Complex are cut by Proterozoic diabase dykes of two or three"]
[561,10,"generations. Regional metamorphism in the Belt achieved lower"]
[561,11,"amphibolite grade adjacent to the Plutonic Complex. Regional, high-"]
[561,12,"angle, reverse shear zones within the Belt locally host significant"]
[561,13,"gold deposits (eg. Giant Mine, Con Mine) but do not cut the Complex."]
[561,14,"Later Proterozoic faults cut both the Belt and the Plutonic"]
[561,15,"Complex, locally displacing their mutual contact on a regional"]
[561,16,"scale.  The showing is 4.5 to 5.0 km west of Yellowknife Bay and"]
[561,17,"just SW of Baker Lake, in an area underlain by massive, fine to"]
[561,18,"coarse-grained, grey and pink biotite granodiorite intruded by"]
[561,19,"pegmatite and aplite and locally containing volcanic inclusions."]
[561,20,"Areas of the host granite containing volcanic inclusions appear to"]
[561,21,"be important to mineralization (GSC P 65-11). According to Atkinson"]
[561,22,"and van Breeman s (DIANDEO 90) descriptions, the host unit must be"]
[561,23,"part of the Upper Defeat Suite phase, a series of homogeneous,"]
[561,24,"porphyritic, biotite trondhemite-granodiorite-granite lobes"]
[561,25,"representing the late uppermost level of the Defeat Suite, and"]
[561,26,"invading the Volcanic Belt at the eastern edge of the Complex. The"]
[561,27,"Martin Fault, a regional Proterozoic fault, cuts NW through Baker"]
[561,28,"Lake about 1 km NE of No.15 and 1.4 km NE of No.22."]
[562,1,"Gold is hosted by various altered, quartz-filled fractures,"]
[562,2,"fracture zones, and shear zones, the main ones being Veins No.15,"]
[562,3,"No.22 and No.11S. The zones are generally consistent in width but"]
[562,4,"do vary, from one narrow crack to a 3.5 m wide shear. The wallrock"]
[562,5,"is invariably hematized, for 0.3 to 1.0 m from the zone. The main"]
[562,6,"zones in the area comprise sheared quartz in pinched out lenses,"]
[562,7,"stringers and pods, often ribboned with aplitic material, and"]
[562,8,"surrounded by sheared granitic and aplitic rocks (GSC P 64-22)."]
[562,9,"The quartz is lightly mineralized with pyrite and hematite (less"]
[562,10,"than 1% combined), and locally galena, chalcopyrite and sphalerite."]
[562,11,"Gold occurs free and associated with sulphides, and visible gold"]
[562,12,"has been observed in numerous different zones on the Rodstrom"]
[562,13,"property (see also J Group and C Group).  No.15 Vein is the object"]
[562,14,"located by the given coordinates. It has been exposed along 55 m at"]
[562,15,"NE/65E, with possible extensions 50 m NE and 45 m south. The"]
[562,16,"innumerable quartz lenses comprising the Vein yielded encouraging"]
[562,17,"gold values in trenches along a 24 m length in 1963 (GSC P 64-22),"]
[562,18,"and drilling of 2342 m in 57 holes in 1964 defined a 33.5 m long"]
[562,19,"shoot at about 7.5 m depth, which averaged 46.6 gpt Au across 1.1 m."]
[562,20,"Interest in the showing waned until it was re-staked in 1975."]
[562,21,"Reserves for No.15 were calculated in 1976 at 843 tonnes grading 49"]
[562,22,"gpt Au across 1.1 m, with additional inferred reserves of 1397"]
[562,23,"tonnes grading 28 gpt Au across 1.1 m (MIR 1976).  The No.22 Vein"]
[562,24,"is about 550 m WNW of No.15. It is exposed along 37 m at 050/45 -"]
[562,25,"50dSE, and is traceable for several hundred fee, possibly more than"]
[562,26,"a thousand feet (300 m)."]
[563,1,"Surface sampling after its discovery in 1964 indicated an average"]
[563,2,"grade of 93.9 gpt Au across 0.8 m for a length of the vein (GSC P"]
[563,3,"65-11); re-evaluation in 1975/76 resulted in calculated reserves of"]
[563,4,"141 tonnes at the same grade and width (MIR 1976). The No.22 Vein"]
[563,5,"contains a greater proportion of chloritic volcanic inclusions at"]
[563,6,"depth (GSC P 65-11).  The No.11S Vein lies between the other two,"]
[563,7,"about 450 m NW of No.15. Parts of it are said to contain lenses of"]
[563,8,"high-grade material (GSC P 65-11).  A 1976 test by Cominco Limited"]
[563,9,"on a sample of ore grading 77.6 gpt Au (presumably from No.15)"]
[563,10,"showed a 99.07% recovery using standard cyanidation techniques."]
[564,1,"The Cab (Gar) Bi-Co-Cu-Au deposits are located in the southern"]
[564,2,"Great Bear Magmatic zone, a 1.88-1.86 Ga zone of calc-alkaline,"]
[564,3,"mainly intermediate, subaerial volcanic and plutonic rocks within"]
[564,4,"the Wopmay orogen. Mineralization occurs in a northwesterly"]
[564,5,"trending belt of Aphebian Snare Group sediments which are"]
[564,6,"unconformably overlain by rhyolitic volcanic rocks related to the"]
[564,7,"Great Bear Zone. The rhyolites and related volcaniclastic rocks are"]
[564,8,"relatively undeformed and are tilted gently to moderately to the"]
[564,9,"north. All stratified rocks are surrounded by granodiorite, quartz"]
[564,10,"monzonite and granite intrusives of the Great Bear Zone. Snare"]
[564,11,"Group rocks are metamorphosed to greenschist facies.  Bi-Co-Cu-Au"]
[564,12,"mineralization is hosted within metasediments of the Snare Group"]
[564,13,"which strike northwest and dip steeply to the northeast."]
[564,14,"Lithologies are broadly divided into a relatively uniform, fine"]
[564,15,"grained, thinly bedded siltstone and a more variable unit of"]
[564,16,"quartzite-argillite. The latter includes massive quartzite which"]
[564,17,"grades into thinly bedded argillites containing variable amounts of"]
[564,18,"chlorite and/or magnetite as laminae. These have been interpreted"]
[564,19,"by some as oxide facies iron formations and in places grade from a"]
[564,20,"magnetite-rich base up into a chlorite-biotite rock and then into"]
[564,21,"argillaceous quartzite. In the deposit area, one of these horizons"]
[564,22,"has been traced over a 1 km strike length and varies in thickness"]
[564,23,"from a few centimetres to 2 m. A second chlorite-rich unit higher"]
[564,24,"in the section includes thinly bedded dolomite. Chlorite-rich"]
[564,25,"horizons are often complexly and tightly folded."]
[565,1,"All major sulphide occurrences are associated with the chlorite-"]
[565,2,"rich rocks. Arsenopyrite is the predominant sulphide and occurs as"]
[565,3,"disseminations, coarse-grained aggregates of subhedral to euhedral"]
[565,4,"crystals, and veins. In chlorite-rich horizons, it forms thin"]
[565,5,"layers and lenses parallel to bedding while in more competent"]
[565,6,"quartzite it tends to occur in cross-cutting veins or fracture"]
[565,7,"zones. Where chlorite-rich rocks are strongly folded, it may occur"]
[565,8,"as cross-cutting veinlets. Disseminations occur in both rock types."]
[565,9,"Pyrite and chalcopyrite occur as coarse aggregates with"]
[565,10,"arsenopyrite in places. Bismuth minerals, including mainly"]
[565,11,"bismuthinite, native Bi and emplectite, are present in small grains,"]
[565,12,"either interstitially in arsenopyrite aggregates or within"]
[565,13,"arsenopyrite crystals. Cobalt is present mainly within the"]
[565,14,"arsenopyrite lattice and to a much lesser extent as small grains of"]
[565,15,"cobaltite.  Many of the occurrences are cut by feldspar porphyry"]
[565,16,"dykes and arsenopyrite appears to have been remobilized into"]
[565,17,"fractures within the dykes as well as into massive podiform"]
[565,18,"accumulations within layered rocks near the dyke margins. The"]
[565,19,"maximum strike length of any of the showings is on the order of 100"]
[565,20,"m and some reach a maximum width of about 10 m. Many consist of"]
[565,21,"several sub-parallel zones.  New Athona Mines Ltd. outlined two"]
[565,22,"main zones of mineralization with trenching and drilling in the"]
[565,23,"late 1960 s. Based on this work, they reported a reserve of 194,700"]
[565,24,"tonnes grading 0.162% Bi and unspecified levels of Cu, Co and Au in"]
[565,25,"the No. 1 zone.  The No. 2 zone is a 3 m wide zone of massive"]
[565,26,"arsenopyrite with very short strike length from which individual"]
[565,27,"samples returned values of up to 0.21 opt Au, 0.66% Bi and 3.28% Co."]
[566,1,"Sue (commonly known as Sue-Dianne) is an Olympic Dam-type"]
[566,2,"mineralization containing copper, uranium, gold, silver and iron"]
[566,3,"concentrations.  Ore minerals occuring on the showing include"]
[566,4,"chalcopyrite, bornite, chalcocite and pitchblende.  The deposit"]
[566,5,"occurs in a pipe-like, magnetite cemented, brecciated horizon"]
[566,6,"comformable with a package of thick ash flows.  These rocks are"]
[566,7,"situated on the eastern side of the Bear Structural Province"]
[566,8,"(Proterzoic aged rocks) within the Great Bear Magmatic Zone.  The"]
[566,9,"property operated through a joint venture between Fortune Minerals"]
[566,10,"NWT and Noranda Inc. (GNWT RWED, MOG Book (1997))."]
[567,1,"The Lou Lake showing is a gold, bismuth, cobalt, copper and"]
[567,2,"tungsten oxide showing  occurring within 4 kilometres south-"]
[567,3,"southeast of Lou Lake.  The showing, comprise of three closely"]
[567,4,"spaced mineralized zones (Summit Peak, Bowl and Nico Lake),  occur"]
[567,5,"in 1 to 65 metre stacked lens of black rock schists and breccias"]
[567,6,"with variable mineralization.  These lens are stratabound and"]
[567,7,"strike southeast for approximately 900 metres (GNWT RWED, MOG Book"]
[567,8,"(1997))."]
[568,1,"The Camp Lake gold showing consists of auriferous lenticular zones"]
[568,2,"containing sulphide bearing (pyrite, pyrrhotite, arsenopyrite,"]
[568,3,"sphalerite, galena and chalcopyrite) in stringers within shear"]
[568,4,"zones which are conformable with greywackes of the Archean"]
[568,5,"Yellowknife Supergroup. Diamond drill indicated resources of 51,150"]
[568,6,"tons at 0.40 oz/t OR 13,050 tons at 0.35 oz/t gold are listed."]
[568,7,"This showing has been subjected to intermittant exploration from"]
[568,8,"1938 to 1981. Work included: surface exploration, sampling, diamond"]
[568,9,"drilling and a feasibility study (1981)."]
[569,1,"The Slemon showing is underlain by Archean Yellowknife Supergroup"]
[569,2,"sediments and intrusive quartz porphyry sills which contain gold"]
[569,3,"bearing quartz veins, stockworks and breccia zones. The latter"]
[569,4,"contain gold bearing bands of massive pyrite plus some silver and"]
[569,5,"bismuth tellerides. Possible mineral resources are listed at 35.000"]
[569,6,"tons at 0.2 oz/t gold OR 60,000 tons at 0.4 oz/t gold using diamond"]
[569,7,"drill sludge samples.  This showing has been subjected to sporatic"]
[569,8,"exploration from 1939 to 1987. Work included trenching, diamond"]
[569,9,"drilling, test pitting, soil sampling, mapping, pitting and bulk"]
[569,10,"sampling."]
[570,1,"Regional The region is predominantly underlain by massive"]
[570,2,"greywackes and minor argillites of the Archean Yellowknife"]
[570,3,"Supergroup which strike NNE and dip nearly vertically. A band of"]
[570,4,"mafic to intermediate volcanics several hundred meters wide,"]
[570,5,"extends along the east side of Goodwin Lake, while chloritic tuffs,"]
[570,6,"mixed with greywackes occur near Barker Lake. Coarse grits to"]
[570,7,"pebble conglomerate were observed locally. Bedding tops generally"]
[570,8,"point to the west.  Conformable with the stratigraphy are a number"]
[570,9,"of medium grained quartz diorite sills. Contacts are often not too"]
[570,10,"sharp because of the fine grained chill margin and alteration of"]
[570,11,"the enclosing sediments. Many showings are located in proximal to"]
[570,12,"these sills. An erratic distribution of diabase dykes occur on the"]
[570,13,"property as a late stage post mineralization event.  Two stages of"]
[570,14,"deformation have affected the stratigraphic sequence, resulting in"]
[570,15,"tight isoclinal folds with very steep plunges and long limbs that"]
[570,16,"are nearly vertical. Usually only minor flexures such as small drag"]
[570,17,"folds and minor strike slip faults are observed near the fold noses."]
[570,18,"Metamorphism is of the lower greenschist facies."]
[571,1,"Property The claims are underlain by sedimentary rocks which are a"]
[571,2,"series of interbedded, fine-to-medium grained greywackes and"]
[571,3,"argillites of the Yellowknife Supergroup which strike NNE and dip"]
[571,4,"nearly vertical. A band of mafic to intermediate volcanics several"]
[571,5,"hundred meters wide extends along the east side of Goodwin Lake,"]
[571,6,"while chloritic tuffs mixed with greywackes occur near Barker Lake."]
[571,7,"Coarse grits to pebble conglomerate were observed locally. Bedding"]
[571,8,"tops generally point to the west.  Conformable with the"]
[571,9,"stratigraphy are a number of medium grained quartz diorite sills."]
[571,10,"Contacts are often not too sharp because of the fine grained chill"]
[571,11,"margin and alteration of the enclosing sediments. Many of the"]
[571,12,"showings are located in proximity to these sills. An erratic"]
[571,13,"distribution of diabase dykes occur on the property as a late stage"]
[571,14,"post mineralization event.  The host of the deposit is a quartz"]
[571,15,"diorite sill which intrudes these sedimentary rocks. The sill"]
[571,16,"outcrops at intervals for a length of 2,400 feet and varies from 15"]
[571,17,"to 60 feet in width. It strikes nearly north 35 degrees east and"]
[571,18,"dips about 80 degrees southeast parallel with the enclosing strata."]
[572,1,"Showing The diorite host sill contains rounded fibrous clots of"]
[572,2,"amphibole from one sixteenth to one eighth of an inch in diameter."]
[572,3,"Minute grains and blebs of pyrrhotite occur throughout, and"]
[572,4,"together with a little pyrite, comprise several percent of the rock."]
[572,5,"Quartz bodies cut the diorite and generally do not extend into"]
[572,6,"the adjacent strata. The quartz is commonly concentrated near or at"]
[572,7,"the walls of the sill, particularly the northeast wall. The quartz"]
[572,8,"is light and dark grey and mottled, and adheres firmly to the wall"]
[572,9,"rock. It occurs as veins and irregular masses ranging from an inch"]
[572,10,"to several feet in width.  Metallic minerals, comprising less than"]
[572,11,"one percent of the vein matter, are mainly arsenopyrite, pyrite,"]
[572,12,"and pyrrhotite: others noted are galena, chalcopyrite, and"]
[572,13,"sphalerite. Gold is reported in the quartz and in the adjacent"]
[572,14,"diorite. Both the quartz bodies and enclosing quartz diorite are"]
[572,15,"cut by rare veinlets of drusy white calcite and possibly pyrite."]
[573,1,"Exploration The main zone was trenched and was tested by 13,600"]
[573,2,"feet of diamond drilling. In 1947 a shaft was sunk to a depth of"]
[573,3,"160 feet. It is inclined at 65 degrees in the direction N 35"]
[573,4,"degrees E. Underground development was done on the 150 foot level"]
[573,5,"and the mined material was sent to Yellowknife for assay. Some"]
[573,6,"diamond drilling was done underground. No results from trenching or"]
[573,7,"diamond drilling could be located. The economic potential for this"]
[573,8,"showing was calculated at 700 tons per vertical foot at a gold"]
[573,9,"grade of 0.60 oz/ton."]
[574,1,"Regional  This Showing is in the Russell Lake - Slemon Lake"]
[574,2,"Supracrustal belt. These rocks are part of the Archean Slave"]
[574,3,"Province. Supracrustal rocks include minor amounts of mafic and"]
[574,4,"felsic metavolcanics and abundant greywacke-mudstone metasediments,"]
[574,5,"which represent a turbidite sequence similar to that found"]
[574,6,"elsewhere in the Slave Province. The metasedimentary succession at"]
[574,7,"Russell and Slemon lakes is characterized by abundant oxide and"]
[574,8,"silicate amphibolitic iron formation that is locally sulphide rich"]
[574,9,"(pyrite, pyrrhotite and arsenopyrite) and auriferous.  The"]
[574,10,"supracrustal rocks have undergone at least three phases of folding,"]
[574,11,"with F1 and F2 isoclines refolded about more open F3 folds. Three"]
[574,12,"foliation subsets post-date F2 isoclines. Two major sets of post-"]
[574,13,"Archean faults transect the area: N-NW trending sinistral faults"]
[574,14,"and easterly trending dextral faults. Quartz and quartz-carbonate"]
[574,15,"veins were injected througout the deformational history of the area."]
[574,16,"Metamorphic grade ranges from greenschist to amphibolite facies."]
[574,17,"Within the metasedimentary rocks this transition is marked by a"]
[574,18,"regional cordierite isograd. The isograd parallels the contact"]
[574,19,"between the supracrustal rocks and the bounding granitic rocks and"]
[574,20,"is offset by post-Archean faults. (MIR 1986-"]
[574,21,"87)"]
[575,1,"Property/Showing  A thick mafic intrusion cuts metasediments north"]
[575,2,"of the Bugow deposits. All stratified rocks have been metamorphosed"]
[575,3,"to at least upper greenschist facies and in the area of the"]
[575,4,"deposits, to lower amphibolite facies. Structure in the area of the"]
[575,5,"deposits is complex, recording at least two periods of folding."]
[575,6,"The Bugow iron formation is the most significant of several iron"]
[575,7,"formations situated within a sequence of turbiditic metasediments."]
[575,8,"In general, sediments underlying it are more psammitic and those"]
[575,9,"above it, in which the minor iron formations are situated, are more"]
[575,10,"pelitic. Intercalated with and enclosing the iron formations are"]
[575,11,"black pelitic schists containing garnet, chlorite and quartz. A"]
[575,12,"locally tuffaceous, intermediate to mafic volcanic unit underlies"]
[575,13,"the metasediments. Numerous small pegmatites intrude both iron"]
[575,14,"formation and metasediments and a large mafic intrusive has been"]
[575,15,"intersected in drill core.  The iron formations are well-laminated"]
[575,16,"and have been divided into a silicate facies and silicate-sulphide"]
[575,17,"facies on the basis of sulphide content. Both are characterized by"]
[575,18,"alternating laminae of chert and various proportions of grunerite/"]
[575,19,"hornblende, garnet, chlorite, and sulphides together with minor"]
[575,20,"iron oxide and carbonate. Silicate-sulphide iron formation is also"]
[575,21,"distinguished by a larger proportion of cross-cutting quartz veins,"]
[575,22,"an increase in hornblende at the expense of grunerite, more"]
[575,23,"siliceous character and the presence of significant quantities of"]
[575,24,"gold.  Sulphide minerals include, in decreasing order of abundance,"]
[575,25,"pyrite, pyrrhotite, chalcopyrite, arsenopyrite, loellingite and"]
[575,26,"sphalerite. Arsenopyrite is rare in"]
[575,27,"contrast"]
[576,1,"with other iron formation-hosted gold deposits in the Slave"]
[576,2,"Province.  Significant levels of gold are present in a number of"]
[576,3,"discrete zones in the Bugow iron formation, including the Cabin"]
[576,4,"Lake, Andrew South, Andrew North, Camp, Beaver and Twilight zones."]
[576,5,"All zones are located along fold limbs despite higher levels of"]
[576,6,"sulphides in fold noses. Gold occurs in association with sulphides"]
[576,7,"although in detail, it is not found within sulphide grains. It is"]
[576,8,"most common as 10-20 micron grains interstitial to silicates and at"]
[576,9,"the boundary between quartz veins and chlorite-hornblende-rich iron"]
[576,10,"formation. Less common sites include fractures near quartz veins"]
[576,11,"and as inclusions in rare arsenopyrite and in pyrite.  The Cabin"]
[576,12,"Lake zone has received the most exploration attention to date."]
[576,13,"Erratic, high grade drill intersections are concentrated in an area"]
[576,14,"about 100 m long, 60 m deep and 12 m wide. Although the zone is"]
[576,15,"stratabound, it transgresses the Bugow iron formation internally,"]
[576,16,"crossing from a location near the base of the unit to one near the"]
[576,17,"top. A reserve of 70,000 tonnes grading 10.29 g/t Au is reported in"]
[576,18,"DIAND Mineral Industry Report 1986-87. Aber Resources  1987 Annual"]
[576,19,"Report states a figure of 100,000 tons grading 0.3 oz/ton Au."]
[577,1,"The Andrew zones are reported to contain 43,900 tonnes grading 4.46"]
[577,2,"g/t Au (Bugow or Andrew South) and 18,100 tonnes grading 7.89 g/t"]
[577,3,"Au (Andrew North, #085OSW0040) (Canadian Deposits Not Being Mined"]
[577,4,"1989).  The Bugow Showing ( Andrew South) has two satellite"]
[577,5,"showings. One to the north is the Andrew North Showing (NORMIN"]
[577,6,"Showing Number 085OSW0040) and the other to the south is the AH 205"]
[577,7,"(# 085OSW0041). Both of these showings are within the same iron"]
[577,8,"formation unit that hosts the Bugow Showing.  North of the Cabin"]
[577,9,"Lake Showing and along strike are, from south to north, the Beaver"]
[577,10,"Showing (085OSW0043), the Camp Showing (085OSW0044) and the Camp"]
[577,11,"North Showing (085OSW0045). All of these showings are within the"]
[577,12,"same iron formation unit that hosts the Cabin Lake Showing."]
[578,1,"The Bugow claim group has had trenching, sampling, detailed mapping,"]
[578,2,"diamond drilling of the key showings and both ground and airborne"]
[578,3,"geophysics. The ground and airborne geophysics done include"]
[578,4,"magnetetometer, electromagnetics and induced polarization."]
[579,1,"Regional The area is within the Slave Structural Province and lies"]
[579,2,"near the south end of the Russell Lake-Slemon Lake Supracrustal"]
[579,3,"belt. This supracrustal belt comprises Archean metavolcanics and"]
[579,4,"metasediments of the Yellowknife Supergroup.  The Russell Lake area"]
[579,5,"is largely underlain by greywacke-mudstone metaturbidites and"]
[579,6,"lesser amounts of felsic and mafic metavolcanics. Felsic"]
[579,7,"metavolcanics are exposed along the eastern shore of Russell Lake"]
[579,8,"in a southwest trending belt. Mafic metavolcanics occur five"]
[579,9,"kilometres west of Russell Lake in two narrow southwest trending"]
[579,10,"belts and as a narrow southwest trending belt at Mosher Lake, some"]
[579,11,"10 kilometres east of Russell Lake. Later Archean granitoid"]
[579,12,"intrussions cut the supracrustal sequences. These consist of"]
[579,13,"tonalitic to granitic plutons to the northwest, northeast and south."]
[579,14,"Numerous small granitic plugs are exposed throughout the Russell"]
[579,15,"Lake area.  The strike of the metasediments is generally northeast"]
[579,16,"with some wrapping of the metasediments around a granitic plug near"]
[579,17,"Murkey Bay on Russell Lake. The metasediments are isoclinally"]
[579,18,"folded about northeast trending anticlinal and synclinal axes with"]
[579,19,"preferential overturning to the west. The fine grained"]
[579,20,"metasedimentary unit which hosts silicate and minor sulphide facies"]
[579,21,"iron formation is repeated across Russell Lake between the"]
[579,22,"metavolcanic rocks to the east and west."]
[580,1,"Property The property is underlain by a narrow belt of volcanic"]
[580,2,"rocks of the Yellowknife Supergroup that strike N-NE through Mosher"]
[580,3,"Lake. On both sides greywacke and slate rocks bound the volcanics"]
[580,4,"which are light to dark green andesite and basalts and massive"]
[580,5,"schistose and pillowed flows. At the contacts they are interbedded"]
[580,6,"with white-weathering porphyritic rhyolite and schistose tuff,"]
[580,7,"agglomerate and breccia.  The slightly altered sedimentary rocks"]
[580,8,"are interbedded slates, arkoses, quartzites and phyllites. The"]
[580,9,"greywackes are dark grey and sandy textured and weather to a dark"]
[580,10,"grey, greenish or buff colour. The sediments lie in a series of"]
[580,11,"tight isoclinal folds with steep dipping or overturned axial planes."]
[580,12,"The volcanics also dip steeply but the folds seem to be broader."]
[580,13,"Showing The showing strikes northeasterly and lies between"]
[580,14,"schistose and massive basic flows in a rusty mineralized zone. The"]
[580,15,"zone can be traced for 1,200 feet and carries massive, fine-grained,"]
[580,16,"schistose amphibolite mineralized with pyrrhotite, pyrite, and"]
[580,17,"arsenopyrite. Quartz stringers parallel the schistosity in"]
[580,18,"irregular lenses and veins and also crosscut in gash veins.  The"]
[580,19,"south end of the mineralized zone is terminated by tourmaline"]
[580,20,"pegmatites. A fault, filled by diabase, offsets the centre of the"]
[580,21,"zone 50 feet."]
[581,1,"The gold assays from trenching on the north section returned values"]
[581,2,"from trace to 0.49 oz/ton over 6 feet. Diamond drilling returned"]
[581,3,"gold assays from trace to 0.70 oz/ton over 5 feet. The zone"]
[581,4,"averages 0.15 oz/ton gold over 25 feet for 300 feet based on"]
[581,5,"surface trenching. The zone averages 0.07 oz/ton across 58 feet"]
[581,6,"based on diamond drilling for the full strike length of 1200 feet."]
[581,7,"Drill indicated reserves to a depth of 170 feet is 552,000 tons"]
[581,8,"grading 0.082 oz/ton gold.  Exploration This showing has had"]
[581,9,"trenching and diamond drilling done. A resource has been calculated"]
[581,10,"based on this information. Drill indicated reserves to a depth of"]
[581,11,"170 feet is 552,000 tons grading 0.082 oz/ton gold."]
[582,1,"Regional The area is within the Slave Structural Province and lies"]
[582,2,"near the south end of the Russell Lake-Slemon Lake Supracrustal"]
[582,3,"belt. This supracrustal belt comprises Archean metavolcanics and"]
[582,4,"metasediments of the Yellowknife Supergroup.  The Russell Lake area"]
[582,5,"is largely underlain by greywacke-mudstone metaturbidites and"]
[582,6,"lesser amounts of felsic and mafic metavolcanics. Felsic"]
[582,7,"metavolcanics are exposed along the eastern shore of Russell Lake"]
[582,8,"in a southwest trending belt. Mafic metavolcanics occur five"]
[582,9,"kilometres west of Russell Lake in two narrow southwest trending"]
[582,10,"belts and as a narrow southwest trending belt at Mosher Lake, some"]
[582,11,"10 kilometres east of Russell Lake. Later Archean granitoid"]
[582,12,"intrusions cut the supracrustal sequences. These consist of"]
[582,13,"tonalitic to granitic plutons to the northwest, northeast and south."]
[582,14,"Numerous small granitic plugs are exposed throughout the Russell"]
[582,15,"Lake area.  The strike of the metasediments is generally northeast"]
[582,16,"with some wrapping of the metasediments around a granitic plug near"]
[582,17,"Murkey Bay on Russell Lake. The metasediments are isoclinally"]
[582,18,"folded about northeast trending anticlinal and synclinal axes with"]
[582,19,"preferential overturning to the west. The fine grained"]
[582,20,"metasedimentary unit which hosts silicate and minor sulphide facies"]
[582,21,"iron formation is repeated across Russell Lake between the"]
[582,22,"metavolcanic rocks to the east and west."]
[583,1,"Property/Showing Significant levels of gold are present in a number"]
[583,2,"of discrete zones in the Bugow iron formation, including the Cabin"]
[583,3,"Lake, Andrew South, Andrew North, Camp, Beaver and Twilight zones."]
[583,4,"All zones are located along fold limbs despite higher levels of"]
[583,5,"sulphides in fold noses. Gold occurs in association with sulphides"]
[583,6,"although in detail, it is not found within sulphide grains. It is"]
[583,7,"most common as 10-20 micron grains interstitial to silicates and at"]
[583,8,"the boundary between quartz veins and chlorite-hornblende-rich iron"]
[583,9,"formation. Less common sites include fractures near quartz veins"]
[583,10,"and as inclusions in rare arsenopyrite and in pyrite.  The Cabin"]
[583,11,"Lake zone has received the most exploration attention to date."]
[583,12,"Erratic, high grade drill intersections are concentrated in an area"]
[583,13,"about 100 m long, 60 m deep and 12 m wide. Although the zone is"]
[583,14,"stratabound, it transgresses the Bugow iron formation internally,"]
[583,15,"crossing from a location near the base of the unit to one near the"]
[583,16,"top. A reserve of 70,000 tonnes grading 10.29 g Au/t is reported in"]
[583,17,"DIAND Mineral Industry Report 1986-87. Aber Resources  1987 Annual"]
[583,18,"Report states a figure of 100,000 tons grading 0.3 oz/ton Au.  An"]
[583,19,"Aber Resources Ltd. press release dated 1986/08/18 summarizes the"]
[583,20,"assay results from the first four diamond drill holes from the"]
[583,21,"Cabin Zone. Hole A86-1 averaged 0.35 oz/ton Au across 29 feet, hole"]
[583,22,"A86-2 averaged 0.24 oz/ton Au across 16 feet, hole A86-3 averaged 0."]
[583,23,"46 oz/ton Au across 26.3 feet and A86-4 averaged 0.23 oz/ton Au"]
[583,24,"across 5.0 feet, 0.20 oz/ton Au across 10.0 feet and 0.46 oz/ton Au"]
[583,25,"across 20.0 feet."]
[584,1,"Work on the Bugow claim group includes trenching, sampling,"]
[584,2,"detailed mapping, diamond drilling of the key showings and both"]
[584,3,"ground and airborne geophysics. The ground and airborne geophysics"]
[584,4,"done include magnetometer, electromagnetics and induced"]
[584,5,"polarization."]
[585,1,"The Nicholas Lake vein gold deposit is located near the northern"]
[585,2,"end of the Yellowknife Basin, a supracrustal belt within the"]
[585,3,"Archean Slave structural province. Turbiditic metasediments of the"]
[585,4,"Burwash Formation, part of the Yellowknife Supergroup, have been"]
[585,5,"intruded by pink granite and a medium to coarse-grained"]
[585,6,"granodiorite which is the host for mineralization. Numerous dykes"]
[585,7,"and irregular masses of granodiorite are present in an area"]
[585,8,"extending southwest of the main granodiorite intrusion. The"]
[585,9,"metasediments have been deformed into tight folds with bedding now"]
[585,10,"generally striking northwesterly with a steep dip. A strong,"]
[585,11,"parallel to subparallel axial plane foliation is superimposed on"]
[585,12,"the stratified rocks. Regional metamorphic grade is lower"]
[585,13,"amphibolite facies.  The Nicholas Lake deposit comprises a series"]
[585,14,"of essentially vertical quartz-sulphide veins in a subvertical to"]
[585,15,"vertical, altered granodiorite stock about 200 m in diameter"]
[585,16,"intruding metasediments. Intense shearing, sericitization and"]
[585,17,"silicification are common, particularly along the southern contact."]
[585,18,"At least three varieties of quartz have been recognized and"]
[585,19,"multiple episodes of brecciation and rehealing are evident. The"]
[585,20,"best veins and gold values are concentrated along the southern"]
[585,21,"altered border zone and are restricted to the granodiorite.  Higher"]
[585,22,"grade gold values are associated with massive, fine-grained"]
[585,23,"pyrrhotite coating angular fragments of arsenopyrite and quartz,"]
[585,24,"massive arsenopyrite and pyrite with lesser sphalerite and galena,"]
[585,25,"vein quartz with visible gold and coarse-grained sphalerite and"]
[585,26,"galena, and quartz veins with pyrite. Some gold is present in"]
[585,27,"association with disseminated sphalerite and minor quartz veinlets"]
[585,28,"within zones of brecciated and fractured granodiorite."]
[586,1,"Sulphides may also occur as massive lenses up to 65 cm wide.  The"]
[586,2,"deposit has been traced by drilling over a strike length of 200 m"]
[586,3,"and to a depth of about 300 m. A reserve (indicated and inferred)"]
[586,4,"of 1,114,600  tonnes grading 12.16 g Au/t has been calculated using"]
[586,5,"a cutoff grade of 5.0 g Au/t. Metallurgical tests established that"]
[586,6,"94% of the gold could be recovered using a 60% minus 200 mesh grind"]
[586,7,"and flotation of sulphides followed by a regrind to 90% minus 350"]
[586,8,"mesh and cyanidization."]
[587,1,"Gold mineralization occurs in short, narrow quartz veins cutting"]
[587,2,"fragmented Archean amphibole gneiss of the Yellowknife Supergroup."]
[587,3,"Diamond drill intersected gold bearing veins at 400 and 800 feet"]
[587,4,"gave a reported average grade of 0.3 oz/t in the main zone. A"]
[587,5,"resource of 100,000 tons at 0.62 oz/t is listed.  Sporatic"]
[587,6,"exploration was done from 1944-56 and included trenching,"]
[587,7,"geological mapping, sampling and diamond drilling. In 1981 Newmont"]
[587,8,"Exploration Canada optioned the property and subjected the showing"]
[587,9,"to geological mapping, sampling, geophysical surveys of magnetics,"]
[587,10,"EM, IP and diamond drilling."]
[588,1,"In the Cross Lake showing visible gold is associated with sulphides"]
[588,2,"in quartz veins within a shear zone cutting a knotted quartz mica"]
[588,3,"schist derived from impure greywacke and slate of the Archean"]
[588,4,"Yellowknife Supergroup.  A diamond drill indicated resource was"]
[588,5,"listed 30,000 tons at 0.31 oz/"]
[588,6,"t"]
[589,1,"Visible gold in discontinuous quartz veins in greywacke of the"]
[589,2,"Archean Yellowknife Supergroup. This showing has been subjected to"]
[589,3,"sporatic exploration since the 1940s including, pitting, trenching"]
[589,4,"and diamond drilling. A diamond drill indicated resouerce of 4,400"]
[589,5,"tons at 0.47 oz/t is listed."]
[590,1,"The Kim prospect (Main Zone) is located in the Indin Lake"]
[590,2,"supracrustal belt, part of the Archean Slave structural province."]
[590,3,"The belt consists of irregular, generally north-trending belts of"]
[590,4,"Archean Yellowknife Supergroup rocks, including mainly basaltic"]
[590,5,"volcanic rocks, turbiditic greywackes and mudstones dated at 2669 +/"]
[590,6,"- 15 Ma. Intervening areas are made up of hybrid rocks derived from"]
[590,7,"both basement granitoid and supracrustal rocks as well as plutonic"]
[590,8,"rocks, generally granite or granodiorite.  Detailed mapping by Echo"]
[590,9,"Bay Mines has identified the following stratigraphy in the area of"]
[590,10,"the deposit: a basal sequence of pillowed and massive basalts and"]
[590,11,"irregular gabbroic bodies overlain by the lower massive basalt, a"]
[590,12,"lower amygdaloidal pillow unit characterised by carbonate amygdules,"]
[590,13,"an upper massive basalt and finally an upper amygdaloidal pillow"]
[590,14,"unit characterised by quartz-feldspar amygdules. The volcanic"]
[590,15,"package has been metamorphosed to amphibolite facies, but is in"]
[590,16,"fault contact with a package of turbidites which are at lower"]
[590,17,"greenschist facies. This vertical ductile fault represents a major"]
[590,18,"break in the area, which is structurally complex. Sedimentary rocks"]
[590,19,"are isoclinally folded and broader folding is recognised within the"]
[590,20,"volcanics. Northwest-trending left-lateral strike-slip faults with"]
[590,21,"near vertical dips, are the latest and predominant faults in the"]
[590,22,"area.  The Main Zone on Lex Lake is a stratabound deposit,"]
[590,23,"consisting of quartz-carbonate veins in fractured, sulphide-rich,"]
[590,24,"silicified massive basalt flows about 60 metres from their contact"]
[590,25,"with the sediments. It strikes northerly and dips steeply to the"]
[590,26,"west. An early white quartz vein set is cut by a later smoky quartz-"]
[590,27,"carbonate set with which the gold is associated."]
[591,1,"Veins are deformed and show strong ribbon textures along their"]
[591,2,"contacts. Both arsenopyrite and pyrrhotite are found within the"]
[591,3,"veins and in haloes extending 20 to 30 cm from them. Pyrrhotite"]
[591,4,"crystals are aligned along a prominent and steeply plunging"]
[591,5,"stretching lineation commonly developed in basalts in the immediate"]
[591,6,"area of the deposit. Arsenopyrite is generally massive to euhedral,"]
[591,7,"overgrows and possibly replaces pyrrhotite and is commonly brittley"]
[591,8,"deformed along the stretching lineation. Free gold, in places"]
[591,9,"visible, is found in quartz-carbonate veins, in fractures cutting"]
[591,10,"arsenopyrite crystals and in sulphide-rich haloes adjacent to veins."]
[591,11,"Total drilling on the Main zone in the period 1984-1990 was 13,"]
[591,12,"607.5 metres. Mineralization has been intersected over a strike"]
[591,13,"length of 731 metres and has an average width of 4.6 metres. The"]
[591,14,"zone has been divided by faulting into six blocks. In 1987, a"]
[591,15,"reserve totalling 112,500 tonnes grading 7.89 g Au/t was calculated"]
[591,16,"for one block containing about 10% of the total tonnage. The cutoff"]
[591,17,"grade used was 4.00 g Au/t and minimum width 1.5 metres. Four deep"]
[591,18,"drill holes have confirmed the depth extension of mineralization to"]
[591,19,"365 metres and the deposit remains open at depth. A three tonne"]
[591,20,"bulk surface sample was collected for metallurgical and"]
[591,21,"conductivity sorting tests."]
[592,1,"The Cass prospect is located in the Indin Lake supracrustal belt,"]
[592,2,"within the Archean Slave structural province. The belt consists of"]
[592,3,"irregular, generally north-trending belts of Archean Yellowknife"]
[592,4,"Supergroup rocks, including mainly basaltic volcanic rocks,"]
[592,5,"turbiditic greywackes and mudstones dated at 2669 +/- 15 Ma."]
[592,6,"Intervening areas are made up of hybrid rocks derived from both"]
[592,7,"basement granitoid and supracrustal rocks as well as plutonic rocks,"]
[592,8,"generally granite or granodiorite.  The Cass zone is located about"]
[592,9,"3 km southwest of the Main zone constituting the Kim prospect. Gold"]
[592,10,"occurs in steeply dipping quartz-carbonate veins cutting and"]
[592,11,"restricted to a northeast-trending, subvolcanic gabbroic sill which"]
[592,12,"intrudes a sequence of intermediate to felsic flows and"]
[592,13,"pyroclastics. The gabbro varies in width from 20 to 100 m and has a"]
[592,14,"strike length of approximately 2 km.  Mineralization is associated"]
[592,15,"with two sets of smoky-white, mottled  quartz and quartz-carbonate"]
[592,16,"veins up to several metres long and up to 0.5 m wide. The less"]
[592,17,"abundant quartz-rich set is sub-parallel to regional foliation"]
[592,18,"while the quartz-carbonate set cuts it at 70-80 degrees and is"]
[592,19,"oriented at a high angle relative to the gabbro contacts. Several"]
[592,20,"layers of carbonate and quartz are present in each vein, with"]
[592,21,"carbonate tending to occur in the central portions. The veins are"]
[592,22,"folded about steeply plunging axes, both in a gross sense involving"]
[592,23,"the entire vein and internally. Grunerite-garnet veins with diffuse"]
[592,24,"contacts extend outward from the quartz-carbonate veins and form"]
[592,25,"selvages around them. Garnet is also present in haloes around the"]
[592,26,"veins."]
[593,1,"Arsenopyrite occurs in diffuse zones of coarse-grained euhedral"]
[593,2,"crystals adjacent to veins in the silicified metagabbro and as"]
[593,3,"anhedral crystal masses within the veins and along vein contacts."]
[593,4,"Pyrrhotite is most abundant in haloes 30 - 50 cm wide adjacent to"]
[593,5,"veins but is also disseminated throughout the sill. Pyrite is found"]
[593,6,"as cubes and irregular aggregates. Gold occurs within sulphides and"]
[593,7,"as native metal concentrated along the contacts of the quartz-"]
[593,8,"carbonate veins. Both arsenopyrite and pyrrhotite have been"]
[593,9,"deformed, the former fractured and brittly boudinaged along a"]
[593,10,"regional lineation, the latter elongated parallel to it.  Drilling"]
[593,11,"in the period between 1984 and 1990 totalled 10,479 m. The Cass"]
[593,12,"zone has been traced by drilling over a strike length of 300 m, to"]
[593,13,"a depth of 210 m and is open to the southwest. It ranges between 1"]
[593,14,"and 15 m in thickness, averaging 4.9 m. A probable reserve on a 120"]
[593,15,"m long by 210 m deep block has been calculated at 336,300 tonnes"]
[593,16,"grading 7.17 g Au/t. A three tonne bulk surface sample was"]
[593,17,"collected for metallurgical and conductivity sorting tests."]
[594,1,"Mineralization withion a series of conformable auriferous quartz"]
[594,2,"veins, stringers and lenses hosted by by N-NNE striking greywackes,"]
[594,3,"slates and volcanics of the Archean Yellowknife Supergroup. The No."]
[594,4,"1 vein mineralogy consists of quartz-pyrite-arsenopyrite,"]
[594,5,"pyrrhotite, chalcopyrite and visible gold. A resource of 29,000"]
[594,6,"tons at 0.35 oz/t has been calculated.  Work on the showing"]
[594,7,"includes trenching, diamond drilling, geochemical sampling and"]
[594,8,"geological mapping."]
[595,1,"Galena, sphalerite, arsenoipyrite, chalcopyrite and gold"]
[595,2,"mineralization occurs in a 100 foot wide belt of argillite-quartz"]
[595,3,"veining in siltstone-shale unit within the Proterozoic Snare Group."]
[595,4,"A 5x8 foot wide mineralized zone plunges 45 degrees below the lake"]
[595,5,"to a depth of 300 feet below the lake. Exploration on this showing"]
[595,6,"include trenching, geological mapping and sampling, diamond"]
[595,7,"drilling, EM geophysical surveys and a petrographic study. A"]
[595,8,"diamond drill inferred resource of 81,000 T at 0.228 oz/t gold"]
[595,9,"(uncut) is listed."]
[596,1,"In this showing gold is found in sediments of the Yellowknife"]
[596,2,"Supergroup at or near the conbtact with volcanics. Aurioferous"]
[596,3,"zones are generally silicified, probably due to the intrusion of"]
[596,4,"the 6-12 m wide Gamble Dyke, an albite-porphyritic ENE trending"]
[596,5,"dyke. Work done on the showing includes trenching, geological"]
[596,6,"sampling, diamond drilling, geological mapping, soil sampling and"]
[596,7,"geophysical magnetic and EM surveys. Resources calculated are"]
[596,8,"probable at 116,185 tons at 0.411 oz/t gold (diluted) plus 33,972"]
[596,9,"tons at 0.128 oz/t gold."]
[597,1,"Zones of auriferous quartz veins and stringers are offset by NNW"]
[597,2,"trending faults in schistose greywackes and argillites of the"]
[597,3,"Archean Yellowknife Supergroup. Metallic minerals comprise"]
[597,4,"approximately 1% of the vein material and include pyrite-"]
[597,5,"arsenopyrite-pyrrhotite-galena-chalcopyrite-sphalerite and"]
[597,6,"jamesonite and free gold.A resource of 72,500 tons at 0.36 oz/t"]
[597,7,"gold is listed.  Work done on the showing includes: 1945-49:"]
[597,8,"trenching, diamond drilling, sinking a shaft to the 525 foot level"]
[597,9,"(3 levels, 1979-82: shaft rehabilitation and dewatering, 1988:"]
[597,10,"diamond drilling."]
[598,1,"Two zones, the Main and the A make up this showing. The Main zone"]
[598,2,"comprises a gold bearing stockwork of quartz veinlets in"]
[598,3,"aconformable graphitic shear in sediments of the Archean"]
[598,4,"Yellowknife Supergroup. Outside the Main shear, gold occurrences"]
[598,5,"are associated with conformable quartz veins in volcanics. A shaft"]
[598,6,"was sunk to 525 feet and lateral work explored the A zone on the"]
[598,7,"175 foot level and the Main zone on the 300 foot level.  Resources"]
[598,8,"calculated: A zone = 23,000 tons diamond drill indicated at 0.54 oz/"]
[598,9,"t (1948); Main zone = 600x5 at 0.44 oz/t gold to depths of 160 feet"]
[598,10,"to 300 feet. A 1980 reevaluation of unspecified North Inca"]
[598,11,"deposit(s) produced an estimate of 90,000 tons at 0.20 oz/t gold."]
[599,1,"The Indin Lake area is situated in the southwestern portion of the"]
[599,2,"Slave Structural Province near the contact with the Bear Structural"]
[599,3,"Province (Wopmay Oregon).  It is underlain by Archean age rocks"]
[599,4,"which are part of the Yellowknife Supergroup and are comprised of"]
[599,5,"volcanic and sedimentary strata forming a north-northeast trending"]
[599,6,"supracrustal belt. This irregular shaped belt extends south"]
[599,7,"approximately from the south side of Truce Lake to the southern"]
[599,8,"portion of the Snare River.  The Indin Lake Supracrustal Belt is"]
[599,9,"bounded to the west by Archean granitoid plutons and migmatites"]
[599,10,"while gneissic rocks flank the eastern side and are thought to be"]
[599,11,"basement rocks to the belt.  All the rocks within the belt are"]
[599,12,"strongly folded and there is a  complicated deformation history"]
[599,13,"associated with the area.    Volcanic rocks of the Indin Lake area"]
[599,14,"occur as mafic, intermediate and felsic units.  Mafic lithologies"]
[599,15,"dominate the volcanic suite of rocks, which include pillowed flows"]
[599,16,"(minor andesite) and local interflow breccias. Intermediate rocks"]
[599,17,"include volcaniclastic units (mainly breccias) occurring usually as"]
[599,18,"lens shaped bodies and may dominate the lithology within small"]
[599,19,"isolated portions of the belt (eg. Leta Arm and Spanner Lake areas)"]
[599,20,".  Ocurrences of quartz diorite and gabbro sills, scattered"]
[599,21,"throughout the Indin Lake Belt, are thought to be related to the"]
[599,22,"volcanic units in the area .  One of these sills adjacent to Baton"]
[599,23,"Lake is an albitic and auriferous intrusive within a mafic volcanic"]
[599,24,"package and hosts the Colomac Mine deposit (showing I.D. No."]
[599,25,"086BSW0004 and reference I.D. No. 1994-Cp91)."]
[600,1,"Sediments in the area comprises turbiditic greywackes and mudstones."]
[600,2,"Hosted within the sediments in the eastern portion of the Indin"]
[600,3,"Lake Belt are strongly folded banded iron formation units"]
[600,4,"consisting of  five main facies: silicate-oxide facies, silicate-"]
[600,5,"amphibolite facies, silicate-sulphide facies, silicate-chlorite"]
[600,6,"facies and cherty exhalitive facies.  These iron formation units"]
[600,7,"occur as lens/pods or conformable beds that may be traced out for"]
[600,8,"several kilometres with widths up to 10s of metres and are locally"]
[600,9,"auriferous.  Quartz veins (locally auriferous) often cut the"]
[600,10,"exhalitive and turbiditic units, with increased concentrations in"]
[600,11,"the area of the fold noses (reference I.D. No. 1994-Cp91 and"]
[600,12,"083396).  Granodiorites and pegmatites intrude the belt and"]
[600,13,"generally cut the volcanic and turbidite rocks with variable"]
[600,14,"emplacement ages.  Possible synvolcanic emplacement has been"]
[600,15,"obsereved locally within the area.  The Cotterrill Lake complex"]
[600,16,"(hornblende - biotite granodiorite/hornblende monzogranite) is"]
[600,17,"basement rock within the belt.  Diabase (to gabbro) dyke swarms"]
[600,18,"occur throughout the Indin Lake area and cut all pre-existing rock"]
[600,19,"units.   Evidence of four deformational events was observed by"]
[600,20,"Pehrsson and Beaumont-Smith (reference I.D. No. 1994-Cp91) while"]
[600,21,"preforming mapping in the Indin Lake Supracrustal Belt.  All the"]
[600,22,"rocks in the belt have been metamorphosed to lower greenschist to"]
[600,23,"amphibolitic facies."]
[601,1,"The Horseshoe Zone is described as a banded iron formation hosted"]
[601,2,"within a greywacke-argillite package all of Archean age.  The zone"]
[601,3,"is situated within a synclinal fold structure with the main"]
[601,4,"mineralization occuring at the closure, extending into the limbs of"]
[601,5,"the fold.  Drilling has indicated that gold is concentrated in"]
[601,6,"layers through the iron formation.  A strike length of at least 1,"]
[601,7,"000 feet has been intersected during the exploration surface"]
[601,8,"drilling.  Information on the showing is available only from news"]
[601,9,"releases where only limited details are given."]
[602,1,"The Horseshoe Zone is located along the southern shore of Damoti"]
[602,2,"Lake and is associated with several other banded iron formation"]
[602,3,"gold showings in the vicinity.  The Horseshoe Zone has two other"]
[602,4,"smaller zones (Pyrite Zone and Red Mountain Zone) directly adjacent"]
[602,5,"to it and can be considered all part of one zone.  The zone was"]
[602,6,"first discovered in a 1993 exploration programme which included"]
[602,7,"bedrock sampling and mapping at a 1:2000 scale, over the southern"]
[602,8,"portion of the Damoti Lake property.  One grab sample described as"]
[602,9,"a medium grained amphibolite with thin pyrite stringers assayed 1."]
[602,10,"41 g/t gold. Additional work (1994 to 1998) included surface"]
[602,11,"exploration drilling and an underground decline into the zone in"]
[602,12,"order to better delineate the mineralization.  Mineralized iron"]
[602,13,"formation (4000 tons) was mined from 2 exploration drifts and"]
[602,14,"stocked piled for future processing.  A  few underground"]
[602,15,"exploration diamond drill holes were completed to aide in"]
[602,16,"delineating the extent of gold mineralization.  More than 35"]
[602,17,"surface diamond drill holes have been drilled into the Horseshoe"]
[602,18,"Zone todate with very significant results including 12.143 feet at"]
[602,19,"4.380 oz/ton gold (D94-113) and 10.50 feet of 0.680 oz/ton gold"]
[602,20,"(D97-307).  Reserve calculations were completed on the zone"]
[602,21,"resulting in a demonstrated reserve figure of 212,350 ounces of"]
[602,22,"gold  and an inferred resource of 148,178 ounces of gold."]
[603,1,"Numerous occurrences, generally high grade pitchblende pods of"]
[603,2,"restricted spatial extent. Numerous of these have been examined by"]
[603,3,"drilling, open pits, or underground work including drifting and"]
[603,4,"raising. No. 3 and No. 4 as sampled underground on three"]
[603,5,"consecutive raise faces yielded an average of 0.678% U3O8 across 3."]
[603,6,"88 ft for a raise length of 16 ft. A combined 1.5 tons of ore"]
[603,7,"assaying 40.5% U3O8, taken mostly from pits on No. 3 and No. 4, is"]
[603,8,"said to have basically cleaned out those two showings; however, two"]
[603,9,"lenses in the No. 3 and No. 4 area are also said to contain an"]
[603,10,"estimated 200 tons grading 3% U3O8. 1970s drilling could find no"]
[603,11,"extensions to these lenses."]
[604,1,"Undg dvlp outlined ore zone of 300 by 1.5 ft with 0.35% U3O8."]
[605,1,"The Izok Lake deposit lies within the Point Lake Volcanic Belt, a"]
[605,2,"north trending belt of Archean mafic to felsic volcanics and"]
[605,3,"subordinate sediments which have been subjected to polyphase"]
[605,4,"Archean deformation and regional metamorphism. The deposit is"]
[605,5,"beneath Izok Lake, in the Izok sub-belt, a NE to north trending arm"]
[605,6,"of volcanic supracrustals which juts from the east side of the"]
[605,7,"Point Lake Belt just north of Itchen Lake. The rocks in these belts"]
[605,8,"belong to the Point Lake Formation of the Yellowknife Supergroup."]
[605,9,"Itchen and Contwoyto Formation metaturbidites, also of the"]
[605,10,"Yellowknife Supergroup, overlie the Point Lake Fm and are exposed"]
[605,11,"about 2 km SE of Izok. 2 km SW of Izok, a sedimentary-felsic"]
[605,12,"volcanic sequence is now exposed as siliceous gneisses. Within a"]
[605,13,"kilometre north and east of Izok, a mixed sedimentary-volcanic"]
[605,14,"sequence correlative with Yellowknife Supergroup rocks, is intruded"]
[605,15,"by numerous, late Archean granitic sheets, creating lit-par-lit"]
[605,16,"gneisses. The granitic bodies coalesce into the Rockinghorse"]
[605,17,"Batholith about 2 km NE of Izok.  The deposit is hosted near the"]
[605,18,"top of a thick felsic pile, by rhyolitic and dacitic flows and"]
[605,19,"tuffs metamorphosed to felsic gneisses. It is conformably underlain"]
[605,20,"by similar rocks, and toward the edges of the Central Zone is"]
[605,21,"underlain by rhyolite agglomerate. It is conformably overlain by"]
[605,22,"felsic flows and tuffs, and near the felsic centre by a pyritic"]
[605,23,"muscovite schist, perhaps derived from a cherty tuff. Minor mafic"]
[605,24,"gneisses in the hangingwall are probably derived from intermediate"]
[605,25,"to mafic tuffs. An amphibolite unconformably overlies the host"]
[605,26,"felsic volcanics, and three bodies of amphibolitic metagabbro"]
[605,27,"intrusive into the volcanics outcrop around Izok Lake."]
[606,1,"Massive to pillowed, mafic to intermediate flows overlie the felsic"]
[606,2,"pile. A late Archean, tourmaline granite-pegmatite cutting the"]
[606,3,"deposit is locally Pb-enriched.  The deposit consists of the North"]
[606,4,"and Central Zones, initially described separately but recently"]
[606,5,"discussed as one; the Northwest Zone; and the recently discovered"]
[606,6,"Inukshuk Zone. The Central-North Zones form a trough-shaped, flat-"]
[606,7,"lying, composite lens of massive sulphides measuring 450 by 110 m"]
[606,8,"horizontally. Its long axis trends ENE and plunges 15-30 degrees"]
[606,9,"ENE. It has a highly variable thickness, from 0 - 160 m deep. A Cu-"]
[606,10,"rich stringer zone under the west end of the Central Zone is south"]
[606,11,"dipping, about 100 m long x 20 m deep, at a depth of 100 - 160 m"]
[606,12,"from surface.  The Northwest Zone, centred about 250 m NW of the"]
[606,13,"Central Zone, is a fairly flat-lying lens, somewhat concave upwards"]
[606,14,"and dipping shallowly north. Its surface lies at 30 - 130 m depth"]
[606,15,"and it measures 200 by 280 m horizontally and 22 m vertically. Both"]
[606,16,"the Central and the Northwest Zones are open-pit prospects with a"]
[606,17,"stripping ratio of 3:1. The Inukshuk Zone, discovered in 1992 400 m"]
[606,18,"east of the main deposit, is an elongate, ENE-trending lens dipping"]
[606,19,"shallowly south. It measures greater than 300 m long by 150 m by 10"]
[606,20,"m thick, at 60 - 400 m depths. It partly underlies Izok Lake and,"]
[606,21,"unlike the main deposit, is an underground mining prospect.  The"]
[606,22,"main deposit (Central and Northwest Zones) lies in NE-trending and"]
[606,23,"plunging, synclinal folds. The variable thicknesses of the sulphide"]
[606,24,"layers is interpreted to be partly an original depositional feature,"]
[606,25,"which may have localized fold axes, and partly due to"]
[606,26,"deformational boudinaging and necking.  Sulphides are coarse"]
[606,27,"grained and massive, comprised of mainly sphalerite, chalcopyrite,"]
[606,28,"pyrite and pyrrhotite."]
[607,1,"Zoning in the Central Zone, above the Cu-rich stringer zone,"]
[607,2,"consists of a massive, Cu-rich basal section overlain by a Zn-rich"]
[607,3,"section, itself locally overlain by a Zn-Pb-rich section. There is"]
[607,4,"considerable evidence for re-mobilization of galena and"]
[607,5,"chalcopyrite during deformation and/or metamorphism, and this"]
[607,6,"apparently has disrupted more subtle zonations.  Sericite-biotite"]
[607,7,"alteration is pervasive in an envelope around the deposit,"]
[607,8,"silicification is less extensive and intensive, and minor"]
[607,9,"aluminosilicate alteration has been noted. A Mg-enriched, chlorite-"]
[607,10,"cordierite-anthophyllite rock underlies a marked thinning of the"]
[607,11,"Central Zone and is interpreted to represent a conduit for"]
[607,12,"upwelling hydrothermal solutions through a volcanic cone or ridge."]
[607,13,"Reserves were estimated in 1992 at 2 million tonnes of 2% Cu and 8%"]
[607,14,"Zn, inferred, for the Inukshuk Zone, open down-plunge. Also in 1992,"]
[607,15,"the main deposit was estimated, on the basis of 148 DDH on 60 m"]
[607,16,"centres, to have probable and possible reserves of 12.0 million"]
[607,17,"tonnes grading 31.% Cu, 1.4% Pb, 14.5% Zn and 74.8 g/t Ag, and"]
[607,18,"inferred reserves of 1.4 million tonnes grading 3.8% Cu, .8% Pb, 13."]
[607,19,"1% Zn and 66.5 g/t Ag."]
[608,1,"The showing is in the Contwoyto - Itchen - Point Sedimentary"]
[608,2,"Terrane, a large arcuate belt of Archean turbiditic metasediments"]
[608,3,"of the Yellowknife Supergroup. It is flanked 5 km to the west by"]
[608,4,"the older, predominantly volcanic Point Lake supracrustal belt, and"]
[608,5,"invaded to the east by late Archean granitoids. Late Proterozoic"]
[608,6,"diabase dykes cut all other lithologies.  The Contwoyto Formation"]
[608,7,"sediments underlying the showing area consist of schistose"]
[608,8,"argillites with subordinate greywacke and interbedded lenses and"]
[608,9,"layers of iron formation. These strike N and dip 50E to vertically."]
[608,10,"A cordierite isograd marking a transition to lower amphibolite"]
[608,11,"facies is immediately east of the showing.  The showing is a zone"]
[608,12,"of iron formation and interbedded black, fine grained, graded-"]
[608,13,"bedded argillite locally grading into greywacke. The iron formation,"]
[608,14,"in 3 and locally 4 discrete members, is folded and overall N-"]
[608,15,"striking and almost vertical. It a garnet-amphibole iron formation"]
[608,16,"with abundant cross-cutting and conformable quartz veins, and"]
[608,17,"conformable sulphide layers made up of disseminated pyrrhotite,"]
[608,18,"arsenopyrite, and pyrite. The host unit has been traced by exposure"]
[608,19,"and geophysical response for 700-800 m, the northernmost 490 m of"]
[608,20,"which is overburden-covered. At least 100 m and probably 350 m of"]
[608,21,"its strike length has been systematically drill-tested. It averages"]
[608,22,"3.5 m thick at surface but ranges between 10 and 35 m thick to"]
[608,23,"depths of 300 m. Gold appears to be evenly distributed throughout"]
[608,24,"and the potential exists for 2 to 3 million tons grading 0.29 oz/"]
[608,25,"ton (George Cross Newsletter, 1989 No.235 & 1990 No.89 & 179)."]
[609,1,"The Takijuq-Hood deposits lie in the northern Slave Province, in"]
[609,2,"the Takijuq Lake-Hood River Supracrustal Belt, a 125 km long, NNE-"]
[609,3,"trending belt of Archean Yellowknife Supergroup mafic to felsic"]
[609,4,"volcanics and various intrusives into them. At its north end, the"]
[609,5,"Belt is only a few kilometres south of the southern end of the"]
[609,6,"Anialik River Supracrustal Belt, and its south end apparently"]
[609,7,"adjoins the north end of the Point Lake Belt (EGS 1992-16). Near"]
[609,8,"its south end, at the south end of Takijuq Lake, the belt widens"]
[609,9,"into an ENE-trending segment 8 km long and 1.5 km wide. This"]
[609,10,"Takijuq South Segment hosts the Takijuq-Hood deposits and showings."]
[609,11,"The Segment contains a greater proportion of felsics than the rest"]
[609,12,"of the belt. The felsics are under and overlain by intermediate to"]
[609,13,"mafic volcanics, and all are intruded by common, subconformable,"]
[609,14,"gabbro and porphyritic gabbro bodies. The felsics are thought to"]
[609,15,"represent a volcanic centre. North of it, a highly deformed,"]
[609,16,"gabbroic to tonalitic complex cut by mafic and ultramafic dykes is"]
[609,17,"thought to be pre-Yellowknife Supergroup (EGS 1992-16). All these"]
[609,18,"earlier Archean rock types are invaded along the north and south"]
[609,19,"edges of the Segment by mixed, diorite/gabbro plutonic complexes."]
[609,20,"These in turn are cut by granitic dykes related to late Archean"]
[609,21,"granitoid plutons which flank the Segment to the north and south"]
[609,22,"and pinch it off to the NE.  To the west, a NNE-trending fault"]
[609,23,"brought a wedge of fine clastic metasediments, of uncertain"]
[609,24,"stratigraphic postition within the Yellowknife Supergroup, into"]
[609,25,"contact with the volcanics. The wedge or belt is less than 1 km"]
[609,26,"across, it s eastern limit defined by late Archean plutonic rocks."]
[610,1,"Proterozoic diabase dykes of 2 generations cut all other"]
[610,2,"lithologies. The most abundant are NNW to NW-trending dykes of the"]
[610,3,"Mackenzie swarm.  The Takijuq H-41, or Hood 41, deposit is in an"]
[610,4,"area of predominantly mafic volcanic rocks south of the felsic"]
[610,5,"centre, invaded by both mixed plutonic rocks and late granitic"]
[610,6,"rocks. The deposit is hosted by andesites and to a lesser extent by"]
[610,7,"felsics, and follows the contorted, NNE-trending contact between"]
[610,8,"them. The felsics form a wedge between the host andesitic unit to"]
[610,9,"the NW and a major unit of amygdaloidal andesite to the SE (thought"]
[610,10,"to be stratigraphically below). A granitic intrusive body (late"]
[610,11,"Archean?) cuts off the NE end of the felsic wedge and the sulphide"]
[610,12,"zone, and granitic rocks of a mixed diorite/gabbro plutonic complex"]
[610,13,"are exposed 60m west of the deposit and cut it off to the SW at"]
[610,14,"depth.  Regionally, the deposit is far out on the SE limb of a SW-"]
[610,15,"plunging, macro-syncline whose axial plane strikes NE and dips"]
[610,16,"steeply SE.  Regional metamorphism to lower greenschist grade has"]
[610,17,"been overprinted by contact metamorphism to lower amphibolite grade."]
[610,18,"The host massive and pillowed andesites are now well-foliated and"]
[610,19,"chloritic. The host felsics are now mica-chlorite-sericite-quartz"]
[610,20,"schists, locally exhibiting chlorite and sericite bands (possible"]
[610,21,"remnant tuffaceous banding), and rarely hosting sericitized"]
[610,22,"fragments. Massive magnetite at the contact between granitic rocks"]
[610,23,"of the complex and the sulphide layer is thought to derive from a"]
[610,24,"contact metamorphic reaction in the sulphide layer.  The sulphides"]
[610,25,"are massive at the NE end and stringer to massive at the SW, in a"]
[610,26,"layer at least 120 m long and 25 m wide, and intersected to 200 m"]
[610,27,"down-dip."]
[611,1,"Surface exposure is a 61 x 15 m gossan which yielded chip samples"]
[611,2,"assaying up to 4% Cu and 10% Zn, and grabs up to 6% Cu, 5% Zn and"]
[611,3,"144 g/t Ag. Drilling in 1975 cut slightly lower grades over 8 to 38"]
[611,4,"m widths. Subsequent drill results were not reported but in 1991"]
[611,5,"Minnova announced reserves in two zones, 900,000 tonnes in Zone 41"]
[611,6,"grading 3.2% Zn, 1.4% Cu and 12 g/t Ag, and 1,100,000 tonnes in"]
[611,7,"Zone 41A grading 3.3% Zn, 2.4% Cu and 16 g/t Ag."]
[612,1,"The Takijuq-Hood deposits lie in the northern Slave Province, in"]
[612,2,"the Takijuq Lake-Hood River Supracrustal Belt, a 125 km long, NNE-"]
[612,3,"trending belt of Archean Yellowknife Supergroup mafic to felsic"]
[612,4,"volcanics and various intrusives into them. At its north end, the"]
[612,5,"Belt is only a few kilometres from the southern end of the Anialik"]
[612,6,"River Supracrustal Belt, and its south end apparently adjoins the"]
[612,7,"north end of the Point Lake Belt (EGS 1992-16). Near its south end,"]
[612,8,"at Takijuq Lake, the belt widens into an ENE-trending segment 8 km"]
[612,9,"long and 1.5 km wide. This Takijuq South Segment hosts the Takijuq-"]
[612,10,"Hood deposits and showings.  The Segment contains a greater"]
[612,11,"proportion of felsics than the rest of the belt. The felsics are"]
[612,12,"under and overlain by intermediate to mafic volcanics, and all are"]
[612,13,"intruded by common, subconformable, gabbro and porphyritic gabbro"]
[612,14,"bodies. The felsics are thought to represent a volcanic centre."]
[612,15,"North of them, a highly deformed, gabbroic to tonalitic complex cut"]
[612,16,"by mafic and ultramafic dykes is thought to be pre-Yellowknife"]
[612,17,"Supergroup (EGS 1992-16). All these earlier Archean rock types are"]
[612,18,"invaded along the north and south margins of the Segment by mixed"]
[612,19,"diorite/gabbro plutonic complexes. These in turn are cut by"]
[612,20,"granitic dykes related to late Archean granitoid plutons which"]
[612,21,"flank the Segment to the north and south and pinch it off to the"]
[612,22,"northeast.  To the west, a NNE-trending fault zone and cross-faults"]
[612,23,"have brought wedges of fine clastic metasediments, of uncertain"]
[612,24,"stratigraphic position within the Yellowknife Supergroup, and"]
[612,25,"blocks of late Archean plutonic rocks into contact with the"]
[612,26,"volcanics.  Proterozoic diabase dykes of two generations cut all"]
[612,27,"other lithologies."]
[613,1,"The most abundant are NNW to NW-trending dykes of the Mackenzie"]
[613,2,"swarm.  The Takijuq H-10, or Hood 10, deposit is in the felsic dome."]
[613,3,"This consists mainly of massive to well-foliated quartz-eye"]
[613,4,"rhyolite, rhyolite agglomerate, rhyolite tuff and dacite."]
[613,5,"Regionally the felsics are underlain by mafic flows and tuffs with"]
[613,6,"intercalated carbonate beds, and overlain by laterally extensive,"]
[613,7,"pillowed and massive mafic flows and tuffs. The felsics are"]
[613,8,"restricted in areal extent and may represent the explosive end"]
[613,9,"stage of the first of two cycles of volcanism in the Takijuq Belt"]
[613,10,"(Gill 1976).  A narrow, mafic to ultramafic dyke which is"]
[613,11,"calcareous, chlorite-rich and locally serpentinized, cuts the H-10"]
[613,12,"deposit in the vicinity of DDH H-10-5, trending 040 - 050 degrees"]
[613,13,"(parallel to the main penetrative foliation).  Late Archean"]
[613,14,"granitic rocks are in intrusive contact with the felsic volcanics"]
[613,15,"150 m south of the deposit, and in NW-trending fault contact with"]
[613,16,"them 150 m west of the deposit. Emplacement of these plutonic rocks"]
[613,17,"was preceded by at least two phases of deformation, the first"]
[613,18,"producing a major syncline, the second only minor folds, and lower"]
[613,19,"greenschist facies regional metamorphism, and was accompanied by"]
[613,20,"contact metamorphism which raised the grade of nearby rocks,"]
[613,21,"including the deposit, to lower amphibolite.  A number of 1 - 2 m"]
[613,22,"wide Proterozoic diabase dykes cut the deposit area.  The main"]
[613,23,"deposit consists of four separate, possibly en echelon, pencil-"]
[613,24,"shaped lenses of massive sulphides, possibly representing four"]
[613,25,"separate mineralizing events. The lenses plunge NNE at 60 degrees,"]
[613,26,"and the deposit as a whole is about 270 m long, on average"]
[613,27,"approximately 12 m but up to 70 m wide, and about 250 m deep, based"]
[613,28,"on information to 1976."]
[614,1,"It strikes SE, dips subvertically NE, and probably faces NE,"]
[614,2,"although other lithological contacts in the vicinity strike east."]
[614,3,"Exposure is poor and structural interpretation was preliminary and"]
[614,4,"inadequate in the latest available reports (1976), which suggest"]
[614,5,"that the deposit lies on the SE limb of a major NE-trending"]
[614,6,"syncline affected by minor north trending folds.  The sulphides are"]
[614,7,"hosted mainly by a laterally extensive unit of amygdaloidal"]
[614,8,"andesite, over and underlain by cherty rhyolite which is a"]
[614,9,"subordinate host. Chloritic alteration is locally heavy, especially"]
[614,10,"to the north. A well-defined alteration pipe is absent (Gill 1976),"]
[614,11,"although stringer sulphides to the west underlie the massive,"]
[614,12,"banded and non-banded zone. The sulphide lenses comprise massive to"]
[614,13,"disseminated to stringer pyrrhotite-chalcopyrite-pyrite-sphalerite-"]
[614,14,"(galena)-(marcasite), with clear mineralogical and metal zoning"]
[614,15,"indicating Cu-rich zones underlying Zn-rich zones. A hundred and"]
[614,16,"fifty metres north of the main H-10 zone is a second sulphide"]
[614,17,"deposit, relatively Pb-Zn rich and known as the 10b zone. It is"]
[614,18,"characterized by pyrite-pyrrhotite-sphalerite-galena as amygdule"]
[614,19,"cores and partial infillings.  Grabs assaying up to 0.51% Cu, 2.1%"]
[614,20,"Pb, 12% Zn and 48 g/t Ag stimulated interest in the showing. Later"]
[614,21,"drill intersections assayed as much as 8% Cu, 2.7% Pb, 19% Zn, 65 g/"]
[614,22,"t Ag and 4 g/t Au over 1 m to 16 m core lengths, and selected 1991"]
[614,23,"drill intersections are 5.7% Cu and 5.1% Zn over 46 m, and 3.5% Cu"]
[614,24,"and 3.3% Zn over 36 m.  A 1991 estimate of drill-indicated reserves"]
[614,25,"is 1.2 million tonnes grading 4.1% Cu, 4.4% Zn and 27 g/t Ag"]
[614,26,"(Minnova Inc, Toronto, Press Release, Nov 29/91)."]
[615,1,"Bornite, chalcopyrite, pyrite, hematite and carbonate found in vugs,"]
[615,2,"fractures and vein breccia in 2 quartz stockworks cutting dacite"]
[615,3,"of the Aphebian Cameron Bay Group.  Work done on the showing"]
[615,4,"includes: 1921: discovery 1950-57: test pitting, sampling, diamond"]
[615,5,"drilling (in 1957, 3,473 feet of widely spaced diamond drilling was"]
[615,6,"done) 1968-69: geological mapping, prospecting, trenching,"]
[615,7,"radiometric, EM and magnetic surveys were done. Diamond drill"]
[615,8,"inferred resources are listed as 100,000 tons at 8.4% copper to 275"]
[615,9,"feet."]
[616,1,"Chalcocite and malachite occur in a brecciated shear zone in"]
[616,2,"basalts of the Neohelikian Copper Creek Formation - Coppermine"]
[616,3,"River Group. The showing area was worked from 1967-68 and included"]
[616,4,"prospecting, geological mapping, geophysical surveys and diamond"]
[616,5,"drilling. Drilling indicated a deposit having the dimensions of 107"]
[616,6,"m x 1.2 m x 46 m deep with an estimated resource calculated at 125,"]
[616,7,"000 tons at 2% copper to a 600 foot depth."]
[617,1,"Chalcocite and bornite occur as narrow veinlets in fault hosted"]
[617,2,"quartz veins that crosscut brecciated basalts of the Coppermine"]
[617,3,"River Group.  From 1967-69 the showing was subjected to prospecting,"]
[617,4,"geological mapping, IP survey and 22 diamond drill holes. A"]
[617,5,"tonnage and grade of 131,000 tons at 2.89% copper (1968) was based"]
[617,6,"on 8 drill holes totalling 840 feet."]
[618,1,"Mineralization occurs as a tabular body (1,500 feet long x 35 feet"]
[618,2,"wide) containing chalcocite and some bornite in a fractured and"]
[618,3,"shattered zone along a fault cutting basaltic flowss of the"]
[618,4,"Neohelikian Coppermine River Group.  Work done on the showing"]
[618,5,"includes: 1967-68: EM, IP and magnetic surveys, geological mapping,"]
[618,6,"diamond drilling, airfield and tote road building, milling tests"]
[618,7,"(60% copper concentrate with 4 to 5 oz/t silver and 92% copper"]
[618,8,"recovery). 1971-72: gerochemical work 1981: results of the"]
[618,9,"geochemical work under study  Resources calculated are listed as 4,"]
[618,10,"162,000 tons at 2.96% copper, 10% dilution. The estimated tonnage"]
[618,11,"is to 600 feet, open at depth and along strike to the SW."]
[619,1,"Mineralization consists of chalcocite, minor bornite, chalcopyrite"]
[619,2,"and pyrite in a highly fractured/brecciated basalt of the"]
[619,3,"Neohelikian Coppermine River Group. Mineralization is exposed"]
[619,4,"intermittantly over 213x4.5 m. Resources calculated in 1969 are"]
[619,5,"listed as 1,000,000 tons at 2.5% copper."]
[620,1,"The Muskox Intrusion is a layered ultramafic body containing"]
[620,2,"chromium, copper, nickle plus minor platinum and palladium.  The"]
[620,3,"showing is situated in the northwestern portion of the Bear"]
[620,4,"Structural Province and is of Mesoproterzoic age.  A 500 metre wide"]
[620,5,"feeder dyke to the intrusion is traceable for about 55 kilometres"]
[620,6,"south-southeasterly from the Coppermine River while a funnel-shaped,"]
[620,7,"layered complex is exposed for 50 kilometres north of the"]
[620,8,"Coppermine River.  The width of the complex varies but has a"]
[620,9,"maximium width of 9 kilometres.  Exploration has been targeted on"]
[620,10,"the central layered portion and the marginal sulphide zones in the"]
[620,11,"complex.  Sulphides along the margin are generally greater than 1"]
[620,12,"percent and form two thick (60 to 350 metre) gossanous bands.  At"]
[620,13,"the intrusive/country rock contact layers to pods of massive"]
[620,14,"pyrrhotite (minor pentlandite and chalcopyrite) occurs.   A"]
[620,15,"chromite seam (38 centimetres thick) is exposed at the center of"]
[620,16,"the intrusion and a resource figure is reported for this layer"]
[620,17,"(GNWT RWED, MOG Book (1997))."]
[621,1,"Lead and zinc sulphides occur as pods, lenses and in fractures in"]
[621,2,"sheared skarn at the contact of Cretaceous quartz monzonite with"]
[621,3,"Cambrian sediments. The main B zone is a vein system with sheared"]
[621,4,"carbonate replaced by sulphides. A resource estimate of 1,635 T/VF"]
[621,5,"at 5.12% lead, 5.42% zinc and 0.71 oz/ton silver was based on"]
[621,6,"mapping, trenching and sampling of the B zone in 1974. Diamond"]
[621,7,"drilling was done in 1975."]
[622,1,"Mineralization exists as veins of massive argentiferous galena and"]
[622,2,"sphalerite plus tetrahedrite, minor chalcopyrite in a shear zone"]
[622,3,"hosted by cherty dolostone of the Ordovician Whittaker Formation."]
[622,4,"The showing is situated at a facies change between platformal"]
[622,5,"carbonates and basinal calcareous shales of the Selwyn Basin."]
[622,6,"Twelve zones of mineralized veins and and a few stratiform deposits"]
[622,7,"giving a total strike lenght of 20 kilometres.    Work done on the"]
[622,8,"showing includes: 1928: discovery 1959-60: staking, mapping and"]
[622,9,"trenching 1966-69: stripping, geophysics, diamond drilling, two"]
[622,10,"adits were driven with crosscuts 1970-74: diamond drilling,"]
[622,11,"drifting, raises driven, soil geochemical sampling, metallurgical"]
[622,12,"testing,  1974-75: recalculation of reserves, surface and"]
[622,13,"underground diamond drilling and tunnelling 1981-82: preproduction"]
[622,14,"development, a 1,000 ton per day mill erected  A resource estimate"]
[622,15,"of 2,143,000 tons (proven, probable and possible) at 10.9% lead, 13."]
[622,16,"5% zinc, 0.52% copper, 0.087% cadmium and5.58 oz/t silver was"]
[622,17,"listed in 1974. In 1982 a resource calculation for Zone 3 was given"]
[622,18,"as 1,629,000 tons proven and possible at 11.16% lead, 12.17% zinc,"]
[622,19,"0.44% copper and 5.4 oz/t silver.  In 1995 the in situ metal"]
[622,20,"inventory was reported to be 565 kt zinc, 502 kt lead and 780 t"]
[622,21,"silver."]
[623,1,"The Coates Lake showing has Zambian-type stratiform mineralization"]
[623,2,"consisting of pyrite, chalcopyrite, bornite, digenite, chalcocite,"]
[623,3,"covellite, plus malachite and azurite which is disseminated within"]
[623,4,"beds of Hadrynian limestone and dolomite at the transition between"]
[623,5,"red beds and grey Coppercap Formation limestone of the Hadrynian"]
[623,6,"Coates Lake Group.  The area is known as the Redstone Copper Belt ."]
[623,7,"The cooper-bearing rocks have a maximum thickness of 110 metres"]
[623,8,"and a strike lenght of 30 kilometres.  Work was done on the showing"]
[623,9,"site from 1960 - 1989 (when it was reassessed). Work includes:"]
[623,10,"geochemical sampling, geological mapping, geophysics and diamond"]
[623,11,"drilling (including 24,000 feet in 1976-77 by Shell Canada"]
[623,12,"Resources). Tonnage and grade were calculated for the B-1 copper"]
[623,13,"bearing bed that dips 30 degrees W with a strike length of 20,000"]
[623,14,"feet and continues downdip 8,000 feet.  Diamond drill indicated"]
[623,15,"reserves  are listed as: 37,000,000 tons at 3.9% copper, 0.33 oz/t"]
[623,16,"silver, over a thickness of 3.3 feet OR 20,500,000 tons at 4.2% Cu,"]
[623,17,"0.27 oz/t silver (1977)."]
[624,1,"Mineralization includes pyrite, chalcopyrite, bornite, digenite,"]
[624,2,"chalcocite and covellite in a lensoid Zambian type copper deposit"]
[624,3,"in do;lomites of the Lower Coppercap Formation at the top of the"]
[624,4,"Hadrynian Coates Lake Group within the Keele River embayment. A"]
[624,5,"resource was estimated at 1,200,000 tonnes at 2.7% copper across 12."]
[624,6,"5 m (1976) - this estimate is based on diamond rilling (? amount)."]
[625,1,"June creek north located 1 mile N, keele west and trudy creek 0.75"]
[625,2,"mile E."]
[626,1,"Mineralization consists of sphalerite and galena disseminated in"]
[626,2,"Middle Devonian bitumen-bearing limestone, it also appears to lie"]
[626,3,"along fault zones as fractures and breccia fillings.  Work done on"]
[626,4,"the showing area includes: 1967-74: trenching, geological mapping,"]
[626,5,"geochemical sampling, IP and diamond drilling 1987: sampling."]
[626,6,"Potential resources indicated are: 1,000,000 tons at 8-10% lead"]
[626,7,"zinc."]
[627,1,"Mineralization consists of disseminated pyrite, pyrrhotite and"]
[627,2,"minor chalcopyrite along thin fractures in bedded limey quartzite"]
[627,3,"and shale close to a granitic intrusion.  Work on the showing"]
[627,4,"included prospecting and diamond drilling (786 feet in 5 holes). An"]
[627,5,"inferred resource was calculated at 25,000 tons at 0.5% copper."]
[628,1,"Mineralization consists of scheelite and chalcopyrite in garnet-"]
[628,2,"diopside and massive pyrrhotite skarns in Cambro-Ordivician wavy-"]
[628,3,"banded limestone unit adjacent to a Cretaceous quartz monzonite"]
[628,4,"stock.  Work done on the showing includes: 1960-61: staking,"]
[628,5,"geological mapping, diamond drilling 1967: restaking, soil sampling,"]
[628,6,"mapping, magnetic survey 1973: geological mapping, trenching 1977:"]
[628,7,"geological mapping, soil sampling, EM and magnetic surveys and"]
[628,8,"diamond drilling. Diamond drill indicated resources from 1986 are"]
[628,9,"listed as 750,000 tonnes at 1.17% WO3, and an estimated 0.15%"]
[628,10,"copper."]
[629,1,"The Howard Pass (XY) deposit is a Silurian aged stratibound"]
[629,2,"sedimentary hosted zinc-lead showing located in the Cordillera"]
[629,3,"Structural Province along the NWT-Yukon Border .  The showing is"]
[629,4,"hosted in a chert, limestone and mudstone (slate) unit termed the"]
[629,5,"Active Member which obtains a maximum width of 50 meters in the"]
[629,6,"center of the unit, thining towards the outer margins.   The unit"]
[629,7,"is situated in a paleo-basin  which allowed concentrations of"]
[629,8,"sphalerite, galena and pyrite to accumulate.  Pyrite is strongly"]
[629,9,"associated with the occurance of sphalerite and galena.  Other"]
[629,10,"minerals associated with the deposit include nickel, colbalt,"]
[629,11,"arsenopyrite, stibnite and selenium.  The Active Member is sub-"]
[629,12,"divided into an upper and lower sequence.  The upper portion of the"]
[629,13,"unit is dominated by  carbonaceous chert while the lower portion is"]
[629,14,"limestone and cherty limestone along with some carbonaceous"]
[629,15,"mudstones (CIMM, Special Volume 37; referenced as V3719)."]
[629,16,"Mineralization occurs throughout the Active Member with erratic"]
[629,17,"occurances and a decrease in lead and zinc values along the thinner"]
[629,18,"margins.   The footwall sediments consist mainly of carbonaceous"]
[629,19,"mudstone with a reported thickness of 50 metres  while the hanging"]
[629,20,"wall sediments are phosphatic carbonaceous chert.  Both of these"]
[629,21,"units are black in colour and are eith massive to more commonly"]
[629,22,"laminated.  Some sphalerite, galena and pyrite occur within these"]
[629,23,"units but of much lesser concentration then within the Active"]
[629,24,"Member."]
[630,1,"Work preformed on the showing include exploration diamond drilling"]
[630,2,"soon after the discovery in 1968.  An all-weather road was"]
[630,3,"constucted in the early to mid 1970s.  More recently , early 1980s,"]
[630,4,"underground exploration was conducted in order to bulk sample and"]
[630,5,"test (metallugical) the depost.  The showing has a drill-indicated"]
[630,6,"reserve of 59,000,000 tonnes grading 5.4 percent zinc and 2.1"]
[630,7,"percent lead."]
[631,1,"Work done on the showing include: 1962-68: exploration and sampling,"]
[631,2,"geochemistry, mapping and diamond drilling 1973: An adit was"]
[631,3,"opened, crosscuts driven and underground diamond drilling done as"]
[631,4,"well as metallurgical testing 1974-77: environmental and"]
[631,5,"feasibility studies were done 1979-80: diamond drilling,"]
[631,6,"underground bulk sampling and ecological studies  were done  The"]
[631,7,"Mactung showing consists of two zones, in 1983, resources were"]
[631,8,"calculated: Lower zone: 6.1 million metric tonnes minable"]
[631,9,"underground at 1.16% WO3; Upper zone: 17.2 million metric tonnes"]
[631,10,"minable by open pit at 0.78% WO3."]
[632,1,"The Bear-Twit showing has been subjected to geochemical sampling"]
[632,2,"and diamond drilling. Resources are listed as 8-10 million tons at"]
[632,3,"up to 5.4% zinc, 2.6% lead and 0.5 oz/t silver. Diamond drilling in"]
[632,4,"1976 by Bethlehem Copper Corp indicated the deposit to be sub-"]
[632,5,"economic."]
[633,1,"This showing is a carbonate hosted zinc-lead deposit in the"]
[633,2,"Grainstone and Basinal Formations of the Hadrynian Little Dal Group."]
[633,3,"Mineralization consists of sphalerite, galena,  and minor pyrite"]
[633,4,"in breccias of Mississippi Valley Type tabular to pillarlike bodies"]
[633,5,"near stromatolite reefs. Work done on this showing includes"]
[633,6,"geochemical sampling, IP, geological mapping, geophysics,"]
[633,7,"lithogeochem and diamond drilling (at least 89,400 feet in 169"]
[633,8,"holes). Resources are estimated to be 50,000,000 tons at 4.7% zinc"]
[633,9,"and 0.3% lead . Typical individual diamond drill indicated bodies"]
[633,10,"where zinc is greater than lead include: 56,300 tons at 14.52% Zn-"]
[633,11,"Pb; 95,000 tons at 9.85% zn-Pb and 1,066,800 tons at 4.51% Zn-Pb."]
[634,1,"Crest is an iron deposit hosted in the Rapitan Group of glacial-"]
[634,2,"marine sediments containing a 150 metre thick hydrothermally"]
[634,3,"deposited iron formation of Late Proterozoic age.  The Rapitan"]
[634,4,"Group strikes southeast for 640 kilometres and obtains a width of"]
[634,5,"40 kilometres and has a basal unconformity related to rifting in"]
[634,6,"the Late Proterozoic.  This group of glacial-marine sediments is"]
[634,7,"conformably overlain by Cambrian aged shales and carbonates.   The"]
[634,8,"Crest showing is located in the northern portion of the Rapitan"]
[634,9,"Group in the Snake River area and is the most iron-rich portion of"]
[634,10,"the Rapitan Group.  The iron formation consists of 10 iron-rich"]
[634,11,"layers (each about 24 metres thick)  characterized by hematite-"]
[634,12,"jasper pistolite, pod and wave rhythmites.  The laminae within the"]
[634,13,"rhythmites are of millimetre to centimetre thick.  Hematite is the"]
[634,14,"iron-ore mineral within the showing which has a resource of 5.6"]
[634,15,"billion tonnes grading about 47.2% iron.      The region contains"]
[634,16,"the third largest deposit of iron in North America with a total"]
[634,17,"resource estimate of greater than 18.6 billion tonnes.  Iron"]
[634,18,"concentration was first note around the turn of the century (1906)"]
[634,19,"during the Klondike gold rush by prospectors.  But it was not until"]
[634,20,"1961 that an iron-enriched strata was discovered in the Rapitan"]
[634,21,"Group of sediments.    During the 1960 s at least 3048 metres (25"]
[634,22,"diamond drill holes) of diamond drilling, channel sampling and bulk"]
[634,23,"sampling  were completed in the Snake River basin."]