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["1",1.01,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Grenville basement of Laurentia including ca. 1 Ga inliers within the hinterland",null,null,null,null,null,"Gneiss, schist, and plutonic rocks affected by the Grenville Orogeny and","associated post-orogenic granitoid bodies. Elk Park Plutonic Suite, Mount Holly","Complex, Disappointment Hill Complex",null,null,null,null,null,null,null,null,null,null,null,null]
["12a",6.01,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Mainly Cambrian (>495 Ma) ophiolitic and suprasubduction-zone magmatic rocks","with associated sedimentary rocks, broken formation and mélange. Characterized","by Laurentian fauna. Belvidere Mountain and Mt. Orford complexes; Lushs Bight","Group",null,null,null,null,null,null,null,null,null,null,null]
["12a_INT_FELSIC",6.03,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Mainly Cambrian (>495 Ma) ophiolitic and suprasubduction-zone magmatic rocks","with associated sedimentary rocks, broken formation and mélange. Characterized","by Laurentian fauna. Intrusive rocks (felsic). Belvidere Mountain and Mt.","Orford complexes; Lushs Bight Group",null,null,null,null,null,null,null,null,null,null,null]
["12a_MAFIC_OPH",6.04,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Mainly Cambrian (>495 Ma) ophiolitic and suprasubduction-zone magmatic rocks","with associated sedimentary rocks, broken formation and mélange. Characterized","by Laurentian fauna. Mafic components of an ophiolite and areas of isolated","ultramafic and metaultramafic bodies. Belvidere Mountain and Mt. Orford","complexes; Lushs Bight Group",null,null,null,null,null,null,null,null,null,null]
["12a_UMAFIC_OPH",6.05,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Mainly Cambrian (>495 Ma) ophiolitic and suprasubduction-zone magmatic rocks","with associated sedimentary rocks, broken formation and mélange. Characterized","by Laurentian fauna. Ultramafic components of an ophiolite and areas of","isolated ultramafic and metaultramafic bodies. Belvidere Mountain and Mt.","Orford complexes; Lushs Bight Group",null,null,null,null,null,null,null,null,null,null]
["12a_VOL_MAFIC",6.02,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Mainly Cambrian (>495 Ma) ophiolitic and suprasubduction-zone magmatic rocks","with associated sedimentary rocks, broken formation and mélange. Characterized","by Laurentian fauna. Volcanic rocks (mafic). Belvidere Mountain and Mt. Orford","complexes; Lushs Bight Group",null,null,null,null,null,null,null,null,null,null,null]
["12b",6.06,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Mainly Lower to Upper Ordovician ophiolitic and magmatic-arc rocks with","associated sedimentary rocks; older strata contain Laurentian fauna. Hawley","Formation, Snooks Arm Group",null,null,null,null,null,null,null,null,null,null,null,null]
["12b_INT_FELSIC",6.09,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Mainly Lower to Upper Ordovician ophiolitic and magmatic-arc rocks with","associated sedimentary rocks; older strata contain Laurentian fauna. Intrusive","rocks (felsic). Hawley Formation, Snooks Arm Group",null,null,null,null,null,null,null,null,null,null,null,null]
["12b_INT_MAFIC",6.10,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Mainly Lower to Upper Ordovician ophiolitic and magmatic-arc rocks with","associated sedimentary rocks; older strata contain Laurentian fauna. Intrusive","rocks (mafic). Hawley Formation, Snooks Arm Group",null,null,null,null,null,null,null,null,null,null,null,null]
["12b_MAFIC_OPH",6.11,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Mainly Lower to Upper Ordovician ophiolitic and magmatic-arc rocks with","associated sedimentary rocks; older strata contain Laurentian fauna. Mafic","components of an ophiolite and areas of isolated ultramafic and metaultramafic","bodies. Hawley Formation, Snooks Arm Group",null,null,null,null,null,null,null,null,null,null,null]
["12b_UMAFIC_OPH",6.12,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Mainly Lower to Upper Ordovician ophiolitic and magmatic-arc rocks with","associated sedimentary rocks; older strata contain Laurentian fauna. Ultramafic","components of an ophiolite and areas of isolated ultramafic and metaultramafic","bodies. Hawley Formation, Snooks Arm Group",null,null,null,null,null,null,null,null,null,null,null]
["12b_VOL_FELSIC",6.07,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Mainly Lower to Upper Ordovician ophiolitic and magmatic-arc rocks with","associated sedimentary rocks; older strata contain Laurentian fauna. Volcanic","rocks (felsic). Hawley Formation, Snooks Arm Group",null,null,null,null,null,null,null,null,null,null,null,null]
["12b_VOL_MAFIC",6.08,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Mainly Lower to Upper Ordovician ophiolitic and magmatic-arc rocks with","associated sedimentary rocks; older strata contain Laurentian fauna. Volcanic","rocks (mafic). Hawley Formation, Snooks Arm Group",null,null,null,null,null,null,null,null,null,null,null,null]
["12c",6.13,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Lower to Upper Ordovician forearc sedimentary rocks, in part deformed into","broken formation and mélange, largely deposited above 12b during its","translation onto the Laurentian margin. Saint-Daniel Mélange, Flat Water Pond","Group",null,null,null,null,null,null,null,null,null,null,null]
["12c_INT_FELSIC",6.15,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Lower to Upper Ordovician forearc sedimentary rocks, in part deformed into","broken formation and mélange, largely deposited above 12b during its","translation onto the Laurentian margin. Intrusive rocks (felsic). Saint-Daniel","Mélange, Flat Water Pond Group",null,null,null,null,null,null,null,null,null,null,null]
["12c_UMAFIC_OPH",6.16,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Lower to Upper Ordovician forearc sedimentary rocks, in part deformed into","broken formation and mélange, largely deposited above 12b during its","translation onto the Laurentian margin. Ultramafic components of an ophiolite","and areas of isolated ultramafic and metaultramafic bodies. Saint-Daniel","Mélange, Flat Water Pond Group",null,null,null,null,null,null,null,null,null,null]
["12c_VOL_MAFIC",6.14,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Lower to Upper Ordovician forearc sedimentary rocks, in part deformed into","broken formation and mélange, largely deposited above 12b during its","translation onto the Laurentian margin. Volcanic rocks (mafic). Saint-Daniel","Mélange, Flat Water Pond Group",null,null,null,null,null,null,null,null,null,null,null]
["12d",6.17,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Upper Ordovician to Lower Silurian (445?434 Ma) magmatic-arc rocks. Locally","includes associated/interlayered sedimentary rocks. Attean pluton,","Pointe-aux-Trembles Formation, Burlington pluton",null,null,null,null,null,null,null,null,null,null,null,null]
["12d_INT_FELSIC",6.18,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Upper Ordovician to Lower Silurian (445?434 Ma) magmatic-arc rocks. Locally","includes associated/interlayered sedimentary rocks. Intrusive rocks (felsic).","Attean pluton, Pointe-aux-Trembles Formation, Burlington pluton",null,null,null,null,null,null,null,null,null,null,null,null]
["12d_INT_MAFIC",6.19,"AXIAL REALM","Northern Appalachians","Peri-Laurentian Arc System (Iapetan)",null,null,null,null,null,"Upper Ordovician to Lower Silurian (445?434 Ma) magmatic-arc rocks. Locally","includes associated/interlayered sedimentary rocks. Intrusive rocks (mafic).","Attean pluton, Pointe-aux-Trembles Formation, Burlington pluton",null,null,null,null,null,null,null,null,null,null,null,null]
["13",7.01,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["13_INT_FELSIC",7.04,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Intrusive rocks (felsic).",null,null,null,null,null,null,null,null,null,null,null,null,null]
["13_INT_MAFIC",7.05,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Intrusive rocks (mafic).",null,null,null,null,null,null,null,null,null,null,null,null,null]
["13_MAFIC_OPH",7.06,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Mafic components of an ophiolite and areas of isolated ultramafic and","metaultramafic bodies.",null,null,null,null,null,null,null,null,null,null,null,null]
["13_UMAFIC_OPH",7.07,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Ultramafic components of an ophiolite and areas of isolated ultramafic and","metaultramafic bodies.",null,null,null,null,null,null,null,null,null,null,null,null]
["13_VOL_FELSIC",7.02,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Volcanic rocks (felsic).",null,null,null,null,null,null,null,null,null,null,null,null,null]
["13_VOL_MAFIC",7.03,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Volcanic rocks (mafic).",null,null,null,null,null,null,null,null,null,null,null,null,null]
["13a",7.08,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Cambrian to Lower Ordovician ophiolitic and suprasubduction-zone magmatic rocks","and associated sedimentary rocks, mélange, and broken formation. Characterized","by Celtic and/or Gondwanan faunas. Ellsworth Formation, Tally Pond Group",null,null,null,null,null,null,null,null,null,null,null]
["13a_INT_FELSIC",7.11,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Cambrian to Lower Ordovician ophiolitic and suprasubduction-zone magmatic rocks","and associated sedimentary rocks, mélange, and broken formation. Characterized","by Celtic and/or Gondwanan faunas. Intrusive rocks (felsic). Ellsworth","Formation, Tally Pond Group",null,null,null,null,null,null,null,null,null,null]
["13a_INT_MAFIC",7.12,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Cambrian to Lower Ordovician ophiolitic and suprasubduction-zone magmatic rocks","and associated sedimentary rocks, mélange, and broken formation. Characterized","by Celtic and/or Gondwanan faunas. Intrusive rocks (mafic). Ellsworth","Formation, Tally Pond Group",null,null,null,null,null,null,null,null,null,null]
["13a_MAFIC_OPH",7.13,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Cambrian to Lower Ordovician ophiolitic and suprasubduction-zone magmatic rocks","and associated sedimentary rocks, mélange, and broken formation. Characterized","by Celtic and/or Gondwanan faunas. Mafic components of an ophiolite and areas","of isolated ultramafic and metaultramafic bodies. Ellsworth Formation, Tally","Pond Group",null,null,null,null,null,null,null,null,null]
["13a_UMAFIC_OPH",7.14,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Cambrian to Lower Ordovician ophiolitic and suprasubduction-zone magmatic rocks","and associated sedimentary rocks, mélange, and broken formation. Characterized","by Celtic and/or Gondwanan faunas. Ultramafic components of an ophiolite and","areas of isolated ultramafic and metaultramafic bodies. Ellsworth Formation,","Tally Pond Group",null,null,null,null,null,null,null,null,null]
["13a_VOL_FELSIC",7.09,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Cambrian to Lower Ordovician ophiolitic and suprasubduction-zone magmatic rocks","and associated sedimentary rocks, mélange, and broken formation. Characterized","by Celtic and/or Gondwanan faunas. Volcanic rocks (felsic). Ellsworth","Formation, Tally Pond Group",null,null,null,null,null,null,null,null,null,null]
["13a_VOL_MAFIC",7.10,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Cambrian to Lower Ordovician ophiolitic and suprasubduction-zone magmatic rocks","and associated sedimentary rocks, mélange, and broken formation. Characterized","by Celtic and/or Gondwanan faunas. Volcanic rocks (mafic). Ellsworth Formation,","Tally Pond Group",null,null,null,null,null,null,null,null,null,null]
["13b",7.15,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Lower to Upper Ordovician ophiolitic, suprasubduction-zone, and rifted","volcanic-arc magmatic rocks with associated sedimentary rocks, mélange, and","broken formation. Older strata characterized by Celtic and/or peri-Gondwanan","faunas. Ammonoosuc Volcanics, Oliverian Plutonic Suite, Tetagouche Group,","Exploits Group",null,null,null,null,null,null,null,null,null]
["13b_INT_FELSIC",7.18,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Lower to Upper Ordovician ophiolitic, suprasubduction-zone, and rifted","volcanic-arc magmatic rocks with associated sedimentary rocks, mélange, and","broken formation. Older strata characterized by Celtic and/or peri-Gondwanan","faunas. Intrusive rocks (felsic). Ammonoosuc Volcanics, Oliverian Plutonic","Suite, Tetagouche Group, Exploits Group",null,null,null,null,null,null,null,null,null]
["13b_INT_MAFIC",7.19,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Lower to Upper Ordovician ophiolitic, suprasubduction-zone, and rifted","volcanic-arc magmatic rocks with associated sedimentary rocks, mélange, and","broken formation. Older strata characterized by Celtic and/or peri-Gondwanan","faunas. Intrusive rocks (mafic). Ammonoosuc Volcanics, Oliverian Plutonic","Suite, Tetagouche Group, Exploits Group",null,null,null,null,null,null,null,null,null]
["13b_MAFIC_OPH",7.20,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Lower to Upper Ordovician ophiolitic, suprasubduction-zone, and rifted","volcanic-arc magmatic rocks with associated sedimentary rocks, mélange, and","broken formation. Older strata characterized by Celtic and/or peri-Gondwanan","faunas. Mafic components of an ophiolite and areas of isolated ultramafic and","metaultramafic bodies. Ammonoosuc Volcanics, Oliverian Plutonic Suite,","Tetagouche Group, Exploits Group",null,null,null,null,null,null,null,null]
["13b_ORTHOGNEISS",7.22,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Lower to Upper Ordovician ophiolitic, suprasubduction-zone, and rifted","volcanic-arc magmatic rocks with associated sedimentary rocks, mélange, and","broken formation. Older strata characterized by Celtic and/or peri-Gondwanan","faunas. Orthogneiss. Ammonoosuc Volcanics, Oliverian Plutonic Suite, Tetagouche","Group, Exploits Group",null,null,null,null,null,null,null,null,null]
["13b_UMAFIC_OPH",7.21,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Lower to Upper Ordovician ophiolitic, suprasubduction-zone, and rifted","volcanic-arc magmatic rocks with associated sedimentary rocks, mélange, and","broken formation. Older strata characterized by Celtic and/or peri-Gondwanan","faunas. Ultramafic components of an ophiolite and areas of isolated ultramafic","and metaultramafic bodies. Ammonoosuc Volcanics, Oliverian Plutonic Suite,","Tetagouche Group, Exploits Group",null,null,null,null,null,null,null,null]
["13b_VOL_FELSIC",7.16,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Lower to Upper Ordovician ophiolitic, suprasubduction-zone, and rifted","volcanic-arc magmatic rocks with associated sedimentary rocks, mélange, and","broken formation. Older strata characterized by Celtic and/or peri-Gondwanan","faunas. Volcanic rocks (felsic). Ammonoosuc Volcanics, Oliverian Plutonic","Suite, Tetagouche Group, Exploits Group",null,null,null,null,null,null,null,null,null]
["13b_VOL_MAFIC",7.17,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Lower to Upper Ordovician ophiolitic, suprasubduction-zone, and rifted","volcanic-arc magmatic rocks with associated sedimentary rocks, mélange, and","broken formation. Older strata characterized by Celtic and/or peri-Gondwanan","faunas. Volcanic rocks (mafic). Ammonoosuc Volcanics, Oliverian Plutonic Suite,","Tetagouche Group, Exploits Group",null,null,null,null,null,null,null,null,null]
["13c",7.23,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Upper Cambrian to Upper Ordovician magmatic and sedimentary rocks of unknown","affinity. Marlboro Formation",null,null,null,null,null,null,null,null,null,null,null,null]
["13c_INT_MAFIC",7.25,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Upper Cambrian to Upper Ordovician magmatic and sedimentary rocks of unknown","affinity. Intrusive rocks (mafic). Marlboro Formation",null,null,null,null,null,null,null,null,null,null,null,null]
["13c_VOL_MAFIC",7.24,"AXIAL REALM","Northern Appalachians","Peri-Gondwanan Arc System (Iapetan)",null,null,null,null,null,"Lower Paleozoic oceanic and volcanic-arc rocks commonly deposited on Ganderia.","Upper Cambrian to Upper Ordovician magmatic and sedimentary rocks of unknown","affinity. Volcanic rocks (mafic). Marlboro Formation",null,null,null,null,null,null,null,null,null,null,null,null]
["16a",8.01,"PERI-GONDWANAN REALM","Northern Appalachians","GANDERIA","Peri-Gondwanan basements",null,null,null,null,"Migmatite, paragneiss, pelite, marble, platformal quartzite-carbonate","sequences, and olistostromal clastic rocks; >630 Ma. Blackstone Group, Westboro","Formation, Green Head Group, Blues Brook Formation, Islesboro Formation",null,null,null,null,null,null,null,null,null,null,null,null]
["16b",8.02,"PERI-GONDWANAN REALM","Northern Appalachians","GANDERIA","Peri-Gondwanan basements",null,null,null,null,"Orthogneiss; >700 Ma (confined to Avalonia). Economy River Gneiss",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["16c",8.03,"PERI-GONDWANAN REALM","Northern Appalachians","GANDERIA","Peri-Gondwanan basements",null,null,null,null,"Mafic magmatic rocks with associated clastic sedimentary rocks; ca. 760 Ma","(confined to Avalonia). Burin Group",null,null,null,null,null,null,null,null,null,null,null,null,null]
["16c_MAFIC_OPH",8.04,"PERI-GONDWANAN REALM","Northern Appalachians","GANDERIA","Peri-Gondwanan basements",null,null,null,null,"Mafic magmatic rocks with associated clastic sedimentary rocks; ca. 760 Ma","(confined to Avalonia). Mafic components of an ophiolite and areas of isolated","ultramafic and metaultramafic bodies. Burin Group",null,null,null,null,null,null,null,null,null,null,null,null]
["17",9.01,"PERI-GONDWANAN REALM","Northern Appalachians","GANDERIA","Magmatic arc",null,null,null,null,"Mainly Upper Neoproterozoic to Lower Cambrian continental magmatic-","arc/back-arc rocks with associated clastic sedimentary rocks. Peak magmatism at","ca. 620 Ma and ca. 570 to 540 Ma. Includes locally minor Middle to Late","Cambrian magmatism. Dry Hill Gneiss, Massabesic Gneiss, Brookville Gneiss",null,null,null,null,null,null,null,null,null,null,null]
["17_INT_FELSIC",9.03,"PERI-GONDWANAN REALM","Northern Appalachians","GANDERIA","Magmatic arc",null,null,null,null,"Mainly Upper Neoproterozoic to Lower Cambrian continental magmatic-","arc/back-arc rocks with associated clastic sedimentary rocks. Peak magmatism at","ca. 620 Ma and ca. 570 to 540 Ma. Includes locally minor Middle to Late","Cambrian magmatism. Intrusive rocks (felsic). Dry Hill Gneiss, Massabesic","Gneiss, Brookville Gneiss",null,null,null,null,null,null,null,null,null,null]
["17_INT_MAFIC",9.04,"PERI-GONDWANAN REALM","Northern Appalachians","GANDERIA","Magmatic arc",null,null,null,null,"Mainly Upper Neoproterozoic to Lower Cambrian continental magmatic-","arc/back-arc rocks with associated clastic sedimentary rocks. Peak magmatism at","ca. 620 Ma and ca. 570 to 540 Ma. Includes locally minor Middle to Late","Cambrian magmatism. Paragneiss and metavolcanic rock. Dry Hill Gneiss,","Massabesic Gneiss, Brookville Gneiss",null,null,null,null,null,null,null,null,null,null]
["17_PARAGNEISS",9.05,"PERI-GONDWANAN REALM","Northern Appalachians","GANDERIA","Magmatic arc",null,null,null,null,"Mainly Upper Neoproterozoic to Lower Cambrian continental magmatic-","arc/back-arc rocks with associated clastic sedimentary rocks. Peak magmatism at","ca. 620 Ma and ca. 570 to 540 Ma. Includes locally minor Middle to Late","Cambrian magmatism. Paragneiss and metavolcanic rock. Dry Hill Gneiss,","Massabesic Gneiss, Brookville Gneiss",null,null,null,null,null,null,null,null,null,null]
["17_VOL_FELSIC",9.02,"PERI-GONDWANAN REALM","Northern Appalachians","GANDERIA","Magmatic arc",null,null,null,null,"Mainly Upper Neoproterozoic to Lower Cambrian continental magmatic-","arc/back-arc rocks with associated clastic sedimentary rocks. Peak magmatism at","ca. 620 Ma and ca. 570 to 540 Ma. Includes locally minor Middle to Late","Cambrian magmatism. Volcanic rocks (felsic). Dry Hill Gneiss, Massabesic","Gneiss, Brookville Gneiss",null,null,null,null,null,null,null,null,null,null]
["18",10.00,"PERI-GONDWANAN REALM","Northern Appalachians","GANDERIA","Passive margin",null,null,null,null,"Mainly Cambrian to Lower Ordovician quartzose clastic slope-and-rise deposits;","locally contains mafic dikes. Albee Formation, Baskahegan Lake Formation, Grand","Pitch Formation, Cape Elizabeth Formation, Miramichi Group, Cookson Group,","Gander Group",null,null,null,null,null,null,null,null,null,null,null]
["19a",11.01,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,null,"unconformity","Younger Neoproterozoic magmatic arcs ? felsic magmatic rocks with intermediate","and mafic magmatic rocks and marine to terrestrial clastic sedimentary rocks;","ca. 630 to 580 Ma. Dedham Granite, Marystown Group, Love Cove Group, Conception","Group, Broad River Group",null,null,null,null,null,null,null,null,null,null,null]
["19a_INT_FELSIC",11.04,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,null,null,"Younger Neoproterozoic magmatic arcs ? felsic magmatic rocks with intermediate","and mafic magmatic rocks and marine to terrestrial clastic sedimentary rocks;","ca. 630 to 580 Ma. Intrusive rocks (felsic). Dedham Granite, Marystown Group,","Love Cove Group, Conception Group, Broad River Group",null,null,null,null,null,null,null,null,null,null,null]
["19a_INT_MAFIC",11.05,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,null,null,"Younger Neoproterozoic magmatic arcs ? felsic magmatic rocks with intermediate","and mafic magmatic rocks and marine to terrestrial clastic sedimentary rocks;","ca. 630 to 580 Ma. Intrusive rocks (mafic). Dedham Granite, Marystown Group,","Love Cove Group, Conception Group, Broad River Group",null,null,null,null,null,null,null,null,null,null,null]
["19a_SHEAR",11.06,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,null,null,"Younger Neoproterozoic magmatic arcs ? felsic magmatic rocks with intermediate","and mafic magmatic rocks and marine to terrestrial clastic sedimentary rocks;","ca. 630 to 580 Ma. Shear zone. Dedham Granite, Marystown Group, Love Cove","Group, Conception Group, Broad River Group",null,null,null,null,null,null,null,null,null,null,null]
["19a_VOL_FELSIC",11.02,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,null,null,"Younger Neoproterozoic magmatic arcs ? felsic magmatic rocks with intermediate","and mafic magmatic rocks and marine to terrestrial clastic sedimentary rocks;","ca. 630 to 580 Ma. Volcanic rocks (felsic). Dedham Granite, Marystown Group,","Love Cove Group, Conception Group, Broad River Group",null,null,null,null,null,null,null,null,null,null,null]
["19a_VOL_MAFIC",11.03,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,null,null,"Younger Neoproterozoic magmatic arcs ? felsic magmatic rocks with intermediate","and mafic magmatic rocks and marine to terrestrial clastic sedimentary rocks;","ca. 630 to 580 Ma. Volcanic rocks (mafic). Dedham Granite, Marystown Group,","Love Cove Group, Conception Group, Broad River Group",null,null,null,null,null,null,null,null,null,null,null]
["19b",11.07,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,"unconformity",null,"Older Neoproterozoic magmatic arcs ? felsic magmatic rocks with intermediate","and mafic magmatic rocks and associated clastic sedimentary rocks; >670 Ma.","Stirling Group, Tickle Point Formation",null,null,null,null,null,null,null,null,null,null,null,null]
["19b_VOL_MAFIC",11.08,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,null,null,"Older Neoproterozoic magmatic arcs ? felsic magmatic rocks with intermediate","and mafic magmatic rocks and associated clastic sedimentary rocks; >670 Ma.","Volcanic rocks (mafic). Stirling Group, Tickle Point Formation",null,null,null,null,null,null,null,null,null,null,null,null]
["1_AMCS_BLUE",1.07,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Grenville basement of Laurentia including ca. 1 Ga inliers within the hinterland",null,null,null,null,null,"Gneiss, schist, and plutonic rocks affected by the Grenville Orogeny and","associated post-orogenic granitoid bodies. Anorthosite-mangerite-charnockite","suite rocks (gabbro, anorthosite). Elk Park Plutonic Suite, Mount Holly","Complex, Disappointment Hill Complex",null,null,null,null,null,null,null,null,null,null,null]
["1_AMCS_RED",1.06,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Grenville basement of Laurentia including ca. 1 Ga inliers within the hinterland",null,null,null,null,null,"Gneiss, schist, and plutonic rocks affected by the Grenville Orogeny and","associated post-orogenic granitoid bodies. Anorthosite-mangerite-charnockite","suite rocks (mangerite, charnockite, granite). Elk Park Plutonic Suite, Mount","Holly Complex, Disappointment Hill Complex",null,null,null,null,null,null,null,null,null,null,null]
["1_INT_FELSIC",1.03,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Grenville basement of Laurentia including ca. 1 Ga inliers within the hinterland",null,null,null,null,null,"Gneiss, schist, and plutonic rocks affected by the Grenville Orogeny and","associated post-orogenic granitoid bodies. Intrusive rocks (felsic). Elk Park","Plutonic Suite, Mount Holly Complex, Disappointment Hill Complex",null,null,null,null,null,null,null,null,null,null,null,null]
["1_ORTHOGNEISS",1.05,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Grenville basement of Laurentia including ca. 1 Ga inliers within the hinterland",null,null,null,null,null,"Gneiss, schist, and plutonic rocks affected by the Grenville Orogeny and","associated post-orogenic granitoid bodies. Orthogneiss. Elk Park Plutonic","Suite, Mount Holly Complex, Disappointment Hill Complex",null,null,null,null,null,null,null,null,null,null,null,null]
["1_PARAGNEISS",1.08,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Grenville basement of Laurentia including ca. 1 Ga inliers within the hinterland",null,null,null,null,null,"Gneiss, schist, and plutonic rocks affected by the Grenville Orogeny and","associated post-orogenic granitoid bodies. Paragneiss and metavolcanic rock.","Elk Park Plutonic Suite, Mount Holly Complex, Disappointment Hill Complex",null,null,null,null,null,null,null,null,null,null,null,null]
["1_SHEAR",1.04,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Grenville basement of Laurentia including ca. 1 Ga inliers within the hinterland",null,null,null,null,null,"Gneiss, schist, and plutonic rocks affected by the Grenville Orogeny and","associated post-orogenic granitoid bodies. Shear zone. Elk Park Plutonic Suite,","Mount Holly Complex, Disappointment Hill Complex",null,null,null,null,null,null,null,null,null,null,null,null]
["1_VOL_FELSIC",1.02,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Grenville basement of Laurentia including ca. 1 Ga inliers within the hinterland",null,null,null,null,null,"Gneiss, schist, and plutonic rocks affected by the Grenville Orogeny and","associated post-orogenic granitoid bodies. Volcanic rocks (felsic). Elk Park","Plutonic Suite, Mount Holly Complex, Disappointment Hill Complex",null,null,null,null,null,null,null,null,null,null,null,null]
["1a",1.09,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Grenville basement of Laurentia including ca. 1 Ga inliers within the hinterland",null,null,null,null,null,"Gneiss, schist, and plutonic rocks affected by the Grenville Orogeny and","associated post-orogenic granitoid bodies. Basement components >= 1.5 Ga.",null,null,null,null,null,null,null,null,null,null,null,null,null]
["1a_AMCS_BLUE",1.10,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Grenville basement of Laurentia including ca. 1 Ga inliers within the hinterland",null,null,null,null,null,"Gneiss, schist, and plutonic rocks affected by the Grenville Orogeny and","associated post-orogenic granitoid bodies. Basement components >= 1.5 Ga.","Anorthosite-mangerite-charnockite suite rocks (anorthosite).",null,null,null,null,null,null,null,null,null,null,null,null]
["20",12.01,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,null,null,"Upper Neoproterozoic volcanic rocks with marine to terrestrial clastic","sedimentary rocks transitional between older magmatic-arc rocks and younger","clastic shelf. Boston Bay Group, Musgravetown Group, Coldbrook Group, Fourchu","Group",null,null,null,null,null,null,null,null,null,null,null]
["20_INT_FELSIC",12.04,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,null,null,"Upper Neoproterozoic volcanic rocks with marine to terrestrial clastic","sedimentary rocks transitional between older magmatic-arc rocks and younger","clastic shelf. Intrusive rocks (felsic). Boston Bay Group, Musgravetown Group,","Coldbrook Group, Fourchu Group",null,null,null,null,null,null,null,null,null,null,null]
["20_INT_MAFIC",12.05,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,null,null,"Upper Neoproterozoic volcanic rocks with marine to terrestrial clastic","sedimentary rocks transitional between older magmatic-arc rocks and younger","clastic shelf. Intrusive rocks (mafic). Boston Bay Group, Musgravetown Group,","Coldbrook Group, Fourchu Group",null,null,null,null,null,null,null,null,null,null,null]
["20_VOL_FELSIC",12.02,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,null,null,"Upper Neoproterozoic volcanic rocks with marine to terrestrial clastic","sedimentary rocks transitional between older magmatic-arc rocks and younger","clastic shelf. Volcanic rocks (felsic). Boston Bay Group, Musgravetown Group,","Coldbrook Group, Fourchu Group",null,null,null,null,null,null,null,null,null,null,null]
["20_VOL_MAFIC",12.03,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Magmatic arc to rift",null,null,null,null,"Upper Neoproterozoic volcanic rocks with marine to terrestrial clastic","sedimentary rocks transitional between older magmatic-arc rocks and younger","clastic shelf. Volcanic rocks (mafic). Boston Bay Group, Musgravetown Group,","Coldbrook Group, Fourchu Group",null,null,null,null,null,null,null,null,null,null,null]
["21",13.00,"PERI-GONDWANAN REALM","Northern Appalachians","AVALONIA","Clastic shelf",null,null,null,null,"Upper Neoproterozoic to Lower Devonian clastic sedimentary rocks with local","carbonate rocks and mafic and felsic magmatic rocks; Middle Cambrian and","younger rocks lie unconformably on unit 19. Characterized by an ?Avalonian?","fauna. Conanicut Group, Saint John Group, Iron Brook Group, Wabana Group,","Braintree Argillite",null,null,null,null,null,null,null,null,null,null]
["22",14.01,"PERI-GONDWANAN REALM","Northern Appalachians","MEGUMA","Abyssal fan deposits",null,null,null,null,"Upper Neoproterozoic to Ordovician marine clastic sedimentary rocks. Meguma","Group",null,null,null,null,null,null,null,null,null,null,null,null,null]
["22a",14.02,"PERI-GONDWANAN REALM","Northern Appalachians","MEGUMA","Abyssal fan deposits",null,null,null,null,"Upper Neoproterozoic to Ordovician marine clastic sedimentary rocks. Mainly","sandstone. Goldenville Formation",null,null,null,null,null,null,null,null,null,null,null,null,null]
["22b",14.03,"PERI-GONDWANAN REALM","Northern Appalachians","MEGUMA","Abyssal fan deposits",null,null,null,null,"Upper Neoproterozoic to Ordovician marine clastic sedimentary rocks. Mainly","dark shale. Halifax Formation",null,null,null,null,null,null,null,null,null,null,null,null,null]
["23",15.00,"Southern Appalachians","Mid-Paleozoic clastic wedge and time-equivalent rocks",null,null,null,null,null,"on Laurentian Realm","Middle Ordovician to Lower Devonian, generally thin, shallow marine to","terrestrial, clastic sedimentary wedge with subordinate carbonate rocks and","chert. Includes unit 33 in southernmost Appalachians and carbonate rocks that","are either the cratonward equivalent of unit 6 or lie unconformably on rocks","deformed during the Taconic Orogeny. Tuscarora Formation, Tonoloway Formation,","Salina Group",null,null,null,null,null,null,null,null,null]
["25_INT_MAFIC",16.00,"Southern Appalachians","Mid-Paleozoic magmatism mainly in Axial Realm",null,null,null,null,null,null,"Middle Ordovician to Lower Silurian plutonic rocks and orthogneiss mainly","confined to the Piedmont domain. Intrusive rocks (mafic). Shelton Granite","Gneiss, Cortlandt complex",null,null,null,null,null,null,null,null,null,null,null,null]
["27",17.01,"Northern Appalachians","Mid-Paleozoic upper-plate sedimentary and magmatic rocks",null,null,null,null,null,"on Laurentian and Axial realms and Ganderia","Upper Ordovician to Upper Silurian, syntectonic, submarine to terrestrial","clastic locally calcareous sedimentary, and associated magmatic rocks of","extensional to arc affinity. Badger Group, Madrid Formation, Grog Brook Group,","Botwood Group",null,null,null,null,null,null,null,null,null,null,null]
["27_INT_FELSIC",17.04,"Northern Appalachians","Mid-Paleozoic upper-plate sedimentary and magmatic rocks",null,null,null,null,null,"on Laurentian and Axial realms and Ganderia","Upper Ordovician to Upper Silurian, syntectonic, submarine to terrestrial","clastic locally calcareous sedimentary, and associated magmatic rocks of","extensional to arc affinity. Intrusive rocks (felsic). Badger Group, Madrid","Formation, Grog Brook Group, Botwood Group",null,null,null,null,null,null,null,null,null,null,null]
["27_INT_MAFIC",17.05,"Northern Appalachians","Mid-Paleozoic upper-plate sedimentary and magmatic rocks",null,null,null,null,null,"on Laurentian and Axial realms and Ganderia","Upper Ordovician to Upper Silurian, syntectonic, submarine to terrestrial","clastic locally calcareous sedimentary, and associated magmatic rocks of","extensional to arc affinity. Intrusive rocks (mafic). Badger Group, Madrid","Formation, Grog Brook Group, Botwood Group",null,null,null,null,null,null,null,null,null,null,null]
["27_VOL_FELSIC",17.02,"Northern Appalachians","Mid-Paleozoic upper-plate sedimentary and magmatic rocks",null,null,null,null,null,"on Laurentian and Axial realms and Ganderia","Upper Ordovician to Upper Silurian, syntectonic, submarine to terrestrial","clastic locally calcareous sedimentary, and associated magmatic rocks of","extensional to arc affinity. Volcanic rocks (felsic). Badger Group, Madrid","Formation, Grog Brook Group, Botwood Group",null,null,null,null,null,null,null,null,null,null,null]
["27_VOL_MAFIC",17.03,"Northern Appalachians","Mid-Paleozoic upper-plate sedimentary and magmatic rocks",null,null,null,null,null,"on Laurentian and Axial realms and Ganderia","Upper Ordovician to Upper Silurian, syntectonic, submarine to terrestrial","clastic locally calcareous sedimentary, and associated magmatic rocks of","extensional to arc affinity. Volcanic rocks (mafic). Badger Group, Madrid","Formation, Grog Brook Group, Botwood Group",null,null,null,null,null,null,null,null,null,null,null]
["28",18.00,"Northern Appalachians","Mid-Paleozoic upper-plate sedimentary and magmatic rocks","Marine foredeep basin",null,null,null,null,"on Axial Realm and Ganderia","Upper Ordovician to Upper Silurian syntectonic submarine clastic sedimentary","rocks, commonly with calcareous siltstone. Merrimack Group, Bucksport","Formation, Kingsclear Group, Indian Islands Group",null,null,null,null,null,null,null,null,null,null,null,null]
["29",19.01,"Northern Appalachians",null,null,null,null,null,null,null,"Silurian to Lowest Devonian arc and rifted-arc bimodal magmatic rocks and","associated marine sedimentary rocks confined to the Peri-Gondwanan Realm. Some","faunas exhibit ?Old World? affinities. Newbury Volcanic Complex, Eastport","Formation, Mascarene Group, Kingston Complex, La Poile Group, Burgeo batholith,","Cadillac Mountain pluton",null,null,null,null,null,null,null,null,null,null]
["29_INT_FELSIC",19.04,"Northern Appalachians",null,null,null,null,null,null,null,"Silurian to Lowest Devonian arc and rifted-arc bimodal magmatic rocks and","associated marine sedimentary rocks confined to the Peri-Gondwanan Realm. Some","faunas exhibit ?Old World? affinities. Intrusive rocks (felsic). Newbury","Volcanic Complex, Eastport Formation, Mascarene Group, Kingston Complex, La","Poile Group, Burgeo batholith, Cadillac Mountain pluton",null,null,null,null,null,null,null,null,null,null]
["29_INT_MAFIC",19.05,"Northern Appalachians",null,null,null,null,null,null,null,"Silurian to Lowest Devonian arc and rifted-arc bimodal magmatic rocks and","associated marine sedimentary rocks confined to the Peri-Gondwanan Realm. Some","faunas exhibit ?Old World? affinities. Intrusive rocks (mafic). Newbury","Volcanic Complex, Eastport Formation, Mascarene Group, Kingston Complex, La","Poile Group, Burgeo batholith, Cadillac Mountain pluton",null,null,null,null,null,null,null,null,null,null]
["29_PARAGNEISS",19.06,"Northern Appalachians",null,null,null,null,null,null,null,"Silurian to Lowest Devonian arc and rifted-arc bimodal magmatic rocks and","associated marine sedimentary rocks confined to the Peri-Gondwanan Realm. Some","faunas exhibit ?Old World? affinities. Paragneiss and metavolcanic rock.","Newbury Volcanic Complex, Eastport Formation, Mascarene Group, Kingston","Complex, La Poile Group, Burgeo batholith, Cadillac Mountain pluton",null,null,null,null,null,null,null,null,null,null]
["29_VOL_FELSIC",19.02,"Northern Appalachians",null,null,null,null,null,null,null,"Silurian to Lowest Devonian arc and rifted-arc bimodal magmatic rocks and","associated marine sedimentary rocks confined to the Peri-Gondwanan Realm. Some","faunas exhibit ?Old World? affinities. Volcanic rocks (felsic). Newbury","Volcanic Complex, Eastport Formation, Mascarene Group, Kingston Complex, La","Poile Group, Burgeo batholith, Cadillac Mountain pluton",null,null,null,null,null,null,null,null,null,null]
["29_VOL_MAFIC",19.03,"Northern Appalachians",null,null,null,null,null,null,null,"Silurian to Lowest Devonian arc and rifted-arc bimodal magmatic rocks and","associated marine sedimentary rocks confined to the Peri-Gondwanan Realm. Some","faunas exhibit ?Old World? affinities. Volcanic rocks (mafic). Newbury Volcanic","Complex, Eastport Formation, Mascarene Group, Kingston Complex, La Poile Group,","Burgeo batholith, Cadillac Mountain pluton",null,null,null,null,null,null,null,null,null,null]
["3",2.01,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Iapetus rift facies",null,null,null,null,null,"Neoproterozoic to Cambrian mainly clastic sedimentary rocks filling rift basins","and associated magmatism related to Iapetan rifting. Locally contains fragments","of oceanic crust. Ocoee Supergroup, Catoctin Formation, Pinnacle Formation,","Tibbit Hill Formation, Bateau Formation, Lynchburg Formation",null,null,null,null,null,null,null,null,null,null,null]
["30",20.01,"Northern Appalachians","Mid-Paleozoic bimodal magmatism in Peri-Gondwanan Realm",null,null,null,null,null,null,"Upper Ordovician to Lower Silurian bimodal alkalic magmatic rocks of unknown","tectonic affinity confined to Avalonia. Quincy Granite, Cape Ann pluton",null,null,null,null,null,null,null,null,null,null,null,null,null]
["30_INT_FELSIC",20.02,"Northern Appalachians","Mid-Paleozoic bimodal magmatism in Peri-Gondwanan Realm",null,null,null,null,null,null,"Upper Ordovician to Lower Silurian bimodal alkalic magmatic rocks of unknown","tectonic affinity confined to Avalonia. Intrusive rocks (felsic). Quincy","Granite, Cape Ann pluton",null,null,null,null,null,null,null,null,null,null,null,null]
["30_INT_MAFIC",20.03,"Northern Appalachians","Mid-Paleozoic bimodal magmatism in Peri-Gondwanan Realm",null,null,null,null,null,null,"Upper Ordovician to Lower Silurian bimodal alkalic magmatic rocks of unknown","tectonic affinity confined to Avalonia. Intrusive rocks (mafic). Quincy","Granite, Cape Ann pluton",null,null,null,null,null,null,null,null,null,null,null,null]
["31",21.01,"Northern Appalachians","Meguma cover sequence",null,null,null,null,null,"on Meguma","Upper Ordovician to Devonian shallow marine to terrestrial, clastic sedimentary","and local magmatic rocks. Annapolis Supergroup",null,null,null,null,null,null,null,null,null,null,null,null,null]
["31_INT_FELSIC",21.02,"Northern Appalachians","Meguma cover sequence",null,null,null,null,null,"on Meguma","Upper Ordovician to Devonian shallow marine to terrestrial, clastic sedimentary","and local magmatic rocks. Intrusive rocks (felsic). Annapolis Supergroup",null,null,null,null,null,null,null,null,null,null,null,null,null]
["32a",22.01,"Northern Appalachians","Syn-Acadian sedimentary and magmatic rocks",null,null,null,null,null,null,"Upper Silurian and Lower Devonian mainly marine with subordinate terrestrial","clastic sedimentary rocks; commonly lying unconformably on pre-Upper Silurian","rocks. Calcareous rocks are locally prominent in the west. Includes non-arc","volcanic and associated bimodal magmatic rocks. Unit extends into Middle","Devonian in Gaspésie. Seboomook Group, upper part of Chaleurs Group (above","Salinic unconformity), Piscataquis magmatic suite",null,null,null,null,null,null,null,null,null]
["32a_INT_FELSIC",22.03,"Northern Appalachians","Syn-Acadian sedimentary and magmatic rocks",null,null,null,null,null,null,"Upper Silurian and Lower Devonian mainly marine with subordinate terrestrial","clastic sedimentary rocks; commonly lying unconformably on pre-Upper Silurian","rocks. Calcareous rocks are locally prominent in the west. Includes non-arc","volcanic and associated bimodal magmatic rocks. Unit extends into Middle","Devonian in Gaspésie. Intrusive rocks (felsic). Seboomook Group, upper part of","Chaleurs Group (above Salinic unconformity), Piscataquis magmatic suite",null,null,null,null,null,null,null,null,null]
["32a_INT_MAFIC",22.05,"Northern Appalachians","Syn-Acadian sedimentary and magmatic rocks",null,null,null,null,null,null,"Upper Silurian and Lower Devonian mainly marine with subordinate terrestrial","clastic sedimentary rocks; commonly lying unconformably on pre-Upper Silurian","rocks. Calcareous rocks are locally prominent in the west. Includes non-arc","volcanic and associated bimodal magmatic rocks. Unit extends into Middle","Devonian in Gaspésie. Intrusive rocks (mafic). Seboomook Group, upper part of","Chaleurs Group (above Salinic unconformity), Piscataquis magmatic suite",null,null,null,null,null,null,null,null,null]
["32a_VOL_FELSIC",22.02,"Northern Appalachians","Syn-Acadian sedimentary and magmatic rocks",null,null,null,null,null,null,"Upper Silurian and Lower Devonian mainly marine with subordinate terrestrial","clastic sedimentary rocks; commonly lying unconformably on pre-Upper Silurian","rocks. Calcareous rocks are locally prominent in the west. Includes non-arc","volcanic and associated bimodal magmatic rocks. Unit extends into Middle","Devonian in Gaspésie. Volcanic rocks (felsic). Seboomook Group, upper part of","Chaleurs Group (above Salinic unconformity), Piscataquis magmatic suite",null,null,null,null,null,null,null,null,null]
["32a_VOL_MAFIC",22.04,"Northern Appalachians","Syn-Acadian sedimentary and magmatic rocks",null,null,null,null,null,null,"Upper Silurian and Lower Devonian mainly marine with subordinate terrestrial","clastic sedimentary rocks; commonly lying unconformably on pre-Upper Silurian","rocks. Calcareous rocks are locally prominent in the west. Includes non-arc","volcanic and associated bimodal magmatic rocks. Unit extends into Middle","Devonian in Gaspésie. Volcanic rocks (mafic). Seboomook Group, upper part of","Chaleurs Group (above Salinic unconformity), Piscataquis magmatic suite",null,null,null,null,null,null,null,null,null]
["32b",22.06,"Northern Appalachians","Syn-Acadian sedimentary and magmatic rocks",null,null,null,null,null,null,"Non-arc volcanic rocks and bimodal magmatic rocks of possibly unrelated","tectonic settings. Exeter pluton, North Pole pluton, Rose Blanche pluton, North","Bay batholith",null,null,null,null,null,null,null,null,null,null,null,null]
["32b_INT_FELSIC",22.09,"Northern Appalachians","Syn-Acadian sedimentary and magmatic rocks",null,null,null,null,null,null,"Non-arc volcanic rocks and bimodal magmatic rocks of possibly unrelated","tectonic settings. Intrusive rocks (felsic). Exeter pluton, North Pole pluton,","Rose Blanche pluton, North Bay batholith",null,null,null,null,null,null,null,null,null,null,null,null]
["32b_INT_MAFIC",22.10,"Northern Appalachians","Syn-Acadian sedimentary and magmatic rocks",null,null,null,null,null,null,"Non-arc volcanic rocks and bimodal magmatic rocks of possibly unrelated","tectonic settings. Intrusive rocks (mafic). Exeter pluton, North Pole pluton,","Rose Blanche pluton, North Bay batholith",null,null,null,null,null,null,null,null,null,null,null,null]
["32b_VOL_FELSIC",22.07,"Northern Appalachians","Syn-Acadian sedimentary and magmatic rocks",null,null,null,null,null,null,"Non-arc volcanic rocks and bimodal magmatic rocks of possibly unrelated","tectonic settings. Volcanic rocks (felsic). Exeter pluton, North Pole pluton,","Rose Blanche pluton, North Bay batholith",null,null,null,null,null,null,null,null,null,null,null,null]
["32b_VOL_MAFIC",22.08,"Northern Appalachians","Syn-Acadian sedimentary and magmatic rocks",null,null,null,null,null,null,"Non-arc volcanic rocks and bimodal magmatic rocks of possibly unrelated","tectonic settings. Volcanic rocks (mafic). Exeter pluton, North Pole pluton,","Rose Blanche pluton, North Bay batholith",null,null,null,null,null,null,null,null,null,null,null,null]
["33",23.00,"Southern Appalachians","Acadian clastic wedge",null,null,null,null,null,"on Laurentian Realm","Mainly Middle to Upper Devonian dominantly terrestrial clastic sedimentary","rocks deposited on the west flank (Catskill clastic wedge) and on interior","portions of the Appalachian Orogen; includes minor carbonate rocks. Hamilton","Group, Genesee Group, Sonyea Group",null,null,null,null,null,null,null,null,null,null,null]
["34",24.01,"Northern Appalachians",null,null,null,null,null,null,null,"Middle Devonian to earliest Carboniferous plutonic rocks. Concord pluton, Deer","Isle Granite, South Mountain batholith, Ackley batholith",null,null,null,null,null,null,null,null,null,null,null,null,null]
["34_INT_FELSIC",24.04,"Northern Appalachians",null,null,null,null,null,null,null,"Middle Devonian to earliest Carboniferous plutonic rocks. Intrusive rocks","(felsic). Concord pluton, Deer Isle Granite, South Mountain batholith, Ackley","batholith",null,null,null,null,null,null,null,null,null,null,null,null]
["34_INT_MAFIC",24.05,"Northern Appalachians",null,null,null,null,null,null,null,"Middle Devonian to earliest Carboniferous plutonic rocks. Intrusive rocks","(mafic). Concord pluton, Deer Isle Granite, South Mountain batholith, Ackley","batholith",null,null,null,null,null,null,null,null,null,null,null,null]
["34_VOL_FELSIC",24.02,"Northern Appalachians",null,null,null,null,null,null,null,"Middle Devonian to earliest Carboniferous plutonic rocks. Volcanic rocks","(felsic). Concord pluton, Deer Isle Granite, South Mountain batholith, Ackley","batholith",null,null,null,null,null,null,null,null,null,null,null,null]
["34_VOL_MAFIC",24.03,"Northern Appalachians",null,null,null,null,null,null,null,"Middle Devonian to earliest Carboniferous plutonic rocks. Volcanic rocks","(mafic). Concord pluton, Deer Isle Granite, South Mountain batholith, Ackley","batholith",null,null,null,null,null,null,null,null,null,null,null,null]
["36",25.01,"Northern Appalachians",null,null,null,null,null,null,null,"Middle Devonian to Permian mainly terrestrial and marine clastic sedimentary","rocks. Includes minor limestone, evaporite, and volcanic rocks. Commonly","deposited in fault-controlled basins, collectively referred to as the Maritimes","Basin in Canada. Narragansett Bay group, Horton Group, Pictou Group",null,null,null,null,null,null,null,null,null,null,null]
["36_INT_FELSIC",25.04,"Northern Appalachians",null,null,null,null,null,null,null,"Middle Devonian to Permian mainly terrestrial and marine clastic sedimentary","rocks. Includes minor limestone, evaporite, and volcanic rocks. Commonly","deposited in fault-controlled basins, collectively referred to as the Maritimes","Basin in Canada. Intrusive rocks (felsic). Narragansett Bay group, Horton","Group, Pictou Group",null,null,null,null,null,null,null,null,null,null]
["36_VOL_FELSIC",25.02,"Northern Appalachians",null,null,null,null,null,null,null,"Middle Devonian to Permian mainly terrestrial and marine clastic sedimentary","rocks. Includes minor limestone, evaporite, and volcanic rocks. Commonly","deposited in fault-controlled basins, collectively referred to as the Maritimes","Basin in Canada. Volcanic rocks (felsic). Narragansett Bay group, Horton Group,","Pictou Group",null,null,null,null,null,null,null,null,null,null]
["36_VOL_MAFIC",25.03,"Northern Appalachians",null,null,null,null,null,null,null,"Middle Devonian to Permian mainly terrestrial and marine clastic sedimentary","rocks. Includes minor limestone, evaporite, and volcanic rocks. Commonly","deposited in fault-controlled basins, collectively referred to as the Maritimes","Basin in Canada. Volcanic rocks (mafic). Narragansett Bay group, Horton Group,","Pictou Group",null,null,null,null,null,null,null,null,null,null]
["36a_INT_FELSIC",25.05,"Northern Appalachians",null,null,null,null,null,null,null,"Late Devonian alkalic plutons related to Late Devonian rift-related volcanism","in the Narragansett basin. Scituate pluton",null,null,null,null,null,null,null,null,null,null,null,null,null]
["37_INT_FELSIC",26.00,"Alleghanian plutonism",null,null,null,null,null,null,null,"Carboniferous to Permian plutonic rocks. Intrusive rocks (felsic). Rolesville","batholith, Narragansett Pier pluton, Sebago pluton",null,null,null,null,null,null,null,null,null,null,null,null,null]
["38a",27.01,"Continental rift basins and magmatism related to formation of the Atlantic Basin",null,null,null,null,null,null,null,"Alluvial and lacustrine clastic sedimentary rocks and local basalt, granite,","syenite, gabbro, and minor felsic volcanic rocks; rift basins immediately","preceding formation of the Atlantic Ocean. Newark Supergroup, North Mountain","Basalt, Wolfville Formation",null,null,null,null,null,null,null,null,null,null,null]
["38a_INT_FELSIC",27.03,"Continental rift basins and magmatism related to formation of the Atlantic Basin",null,null,null,null,null,null,null,"Alluvial and lacustrine clastic sedimentary rocks and local basalt, granite,","syenite, gabbro, and minor felsic volcanic rocks; rift basins immediately","preceding formation of the Atlantic Ocean. Intrusive rocks (felsic). Newark","Supergroup, North Mountain Basalt, Wolfville Formation",null,null,null,null,null,null,null,null,null,null,null]
["38a_INT_MAFIC",27.04,"Continental rift basins and magmatism related to formation of the Atlantic Basin",null,null,null,null,null,null,null,"Alluvial and lacustrine clastic sedimentary rocks and local basalt, granite,","syenite, gabbro, and minor felsic volcanic rocks; rift basins immediately","preceding formation of the Atlantic Ocean. Intrusive rocks (mafic). Newark","Supergroup, North Mountain Basalt, Wolfville Formation",null,null,null,null,null,null,null,null,null,null,null]
["38a_VOL_MAFIC",27.02,"Continental rift basins and magmatism related to formation of the Atlantic Basin",null,null,null,null,null,null,null,"Alluvial and lacustrine clastic sedimentary rocks and local basalt, granite,","syenite, gabbro, and minor felsic volcanic rocks; rift basins immediately","preceding formation of the Atlantic Ocean. Volcanic rocks (mafic). Newark","Supergroup, North Mountain Basalt, Wolfville Formation",null,null,null,null,null,null,null,null,null,null,null]
["38b",27.05,"Continental rift basins and magmatism related to formation of the Atlantic Basin",null,null,null,null,null,null,null,"New England?Quebec igneous suite; alkalic granite, syenite, and gabbro with","minor felsic volcanic rocks. White Mountain magmatic suite",null,null,null,null,null,null,null,null,null,null,null,null,null]
["38b_VOL_FELSIC",27.06,"Continental rift basins and magmatism related to formation of the Atlantic Basin",null,null,null,null,null,null,null,"New England?Quebec igneous suite; alkalic granite, syenite, and gabbro with","minor felsic volcanic rocks. Volcanic rocks (felsic). White Mountain magmatic","suite",null,null,null,null,null,null,null,null,null,null,null,null]
["39_INT_FELSIC",28.01,null,null,null,null,null,null,null,null,"Plutonic rocks of unknown age and origin. Intrusive rocks (felsic). Greensboro","intrusive suite",null,null,null,null,null,null,null,null,null,null,null,null,null]
["39_INT_MAFIC",28.02,null,null,null,null,null,null,null,null,"Plutonic rocks of unknown age and origin. Intrusive rocks (mafic). Greensboro","intrusive suite",null,null,null,null,null,null,null,null,null,null,null,null,null]
["3_INT_FELSIC",2.04,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Iapetus rift facies",null,null,null,null,null,"Neoproterozoic to Cambrian mainly clastic sedimentary rocks filling rift basins","and associated magmatism related to Iapetan rifting. Locally contains fragments","of oceanic crust. Intrusive rocks (felsic). Ocoee Supergroup, Catoctin","Formation, Pinnacle Formation, Tibbit Hill Formation, Bateau Formation,","Lynchburg Formation",null,null,null,null,null,null,null,null,null,null]
["3_VOL_FELSIC",2.02,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Iapetus rift facies",null,null,null,null,null,"Neoproterozoic to Cambrian mainly clastic sedimentary rocks filling rift basins","and associated magmatism related to Iapetan rifting. Locally contains fragments","of oceanic crust. Volcanic rocks (felsic). Ocoee Supergroup, Catoctin","Formation, Pinnacle Formation, Tibbit Hill Formation, Bateau Formation,","Lynchburg Formation",null,null,null,null,null,null,null,null,null,null]
["3_VOL_MAFIC",2.03,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Iapetus rift facies",null,null,null,null,null,"Neoproterozoic to Cambrian mainly clastic sedimentary rocks filling rift basins","and associated magmatism related to Iapetan rifting. Locally contains fragments","of oceanic crust. Volcanic rocks (mafic). Ocoee Supergroup, Catoctin Formation,","Pinnacle Formation, Tibbit Hill Formation, Bateau Formation, Lynchburg Formation",null,null,null,null,null,null,null,null,null,null,null]
["4",3.01,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Iapetus drift facies - passive margin sequence",null,null,null,"Knox?Beekmantown?St. George unconformity",null,"Lower Paleozoic basal transgressive clastic sequence and overlying dominantly","carbonate platform sequence containing local clastic rocks. Chilhowee Group,","Knox Group, Beekmantown Group, Philipsburg Group, Port au Port Group, Potsdam","Sandstone",null,null,null,null,null,null,null,null,null,null,null]
["4_VOL_MAFIC",3.02,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Iapetus drift facies - passive margin sequence",null,null,null,null,null,"Lower Paleozoic basal transgressive clastic sequence and overlying dominantly","carbonate platform sequence containing local clastic rocks. Volcanic rocks","(mafic). Chilhowee Group, Knox Group, Beekmantown Group, Philipsburg Group,","Port au Port Group, Potsdam Sandstone",null,null,null,null,null,null,null,null,null,null,null]
["5",4.00,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Iapetus drift facies - passive margin sequence",null,null,null,"Knox?Beekmantown?St. George unconformity",null,"Continental slope-and-rise facies; locally may contain oceanic volcanic rocks","and rift-facies rocks. Conestoga Limestone, Ottauquechee Formation,","Trois-Pistoles Group, Northern Head Group, West Castleton Formation",null,null,null,null,null,null,null,null,null,null,null,null]
["6",5.01,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Taconic clastic wedge",null,null,null,null,null,"Westward-transgressive clastic wedges mainly derived from an eastern source and","associated mélange; includes deep-water carbonate rocks at base and some","time-equivalent carbonate rocks to the west (unit 23).",null,null,null,null,null,null,null,null,null,null,null,null]
["6b",5.02,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Taconic clastic wedge",null,null,null,null,"Knox?Beekmantown?St. George unconformity","Westward-transgressive clastic wedges mainly derived from an eastern source and","associated mélange; includes deep-water carbonate rocks at base and some","time-equivalent carbonate rocks to the west (unit 23). Middle to Upper","Ordovician Taconic clastic wedge; gradational with unit 23. Martinsburg","Formation, Walloomsac Formation",null,null,null,null,null,null,null,null,null,null]
["6c",5.03,"Southern Appalachians","LAURENTIAN REALM (entire orogen)","Taconic clastic wedge",null,null,null,null,"Knox?Beekmantown?St. George unconformity","Westward-transgressive clastic wedges mainly derived from an eastern source and","associated mélange; includes deep-water carbonate rocks at base and some","time-equivalent carbonate rocks to the west (unit 23). Lower to Upper","Ordovician Tourelle-Humber wedge; extends into Lower Silurian on Anticosti","Island. Tourelle Formation, Goose Tickle Group",null,null,null,null,null,null,null,null,null,null]
["ARBITRARY",29.03,null,null,null,null,null,null,null,null,"Arcs used to close geological polygons",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["DEFINED",29.01,null,null,null,null,null,null,null,null,"Geological boundary",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["FAULT",31.02,null,null,null,null,null,null,null,null,"Undefined fault",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["LIMIT_MAPPING",29.04,null,null,null,null,null,null,null,null,"Limit of mapping",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["MELANGE",34.00,null,null,null,null,null,null,null,null,"Mélange and broken formation",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["NORMAL_FAULT",32.00,null,null,null,null,null,null,null,null,"Normal fault",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["STRIKE_SLIP",31.01,null,null,null,null,null,null,null,null,"Strike-slip (arrows indicate relative movement)",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["STRUCTURAL",29.02,null,null,null,null,null,null,null,null,"An arc used to close a geological polygon along a linear feature",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["SUB_DEFINED",33.05,null,null,null,null,null,null,null,null,"Submerged geological boundaries",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["SUB_FAULT",33.03,null,null,null,null,null,null,null,null,"Submerged major structures",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["SUB_NORMAL_FLT",33.04,null,null,null,null,null,null,null,null,"Submerged major structures",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["SUB_STRIKE_SLIP",33.02,null,null,null,null,null,null,null,null,"Submerged major structures",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["SUB_THRUST_FLT",33.01,null,null,null,null,null,null,null,null,"Submerged major structures",null,null,null,null,null,null,null,null,null,null,null,null,null,null]
["THRUST_FAULT",30.00,null,null,null,null,null,null,null,null,"Thrust fault",null,null,null,null,null,null,null,null,null,null,null,null,null,null]