1.) Give an example (other than grain size variation) of:
 a) an igneous structure or texture(3)
 

 b) a sedimentary structure or texture (3)
 

 c) a metamorphic structure or texture (3
 

2.) Define or explain the terms:
 a) Cumulate (3)
 

 b) Epicontinental/epeiric (3)
 

 c) Protolith (3)
 

 d) Migmatite (3)
 

3.) DRAW and ANNOTATE the following classification diagrams:

a) the BASALT Tetrahedron (6)     b) the igneous Quartz-Plagioclase-K-feldspar triangle
             for PLUTONIC rocks (8)
 
 
 
 
 
 
 
 
 
 

c) the ARENITE classification triangle (8)
 
 
 
 
 
 
 
 
 
 

4)  a)  Explain the difference between an orthoconglomerate and a paraconglomerate. What is a tillite?(4)
 
 
 

 5) b)  What is a harzburgite? By what two methods can it form? (4)
 
 
 

6.) a) what are secondary sedimentary minerals? (4)
 
 
 
 

 b)What characteristic minerals are found in:

    1) eclogites (3)
 

    2) greenschist facies metamorphic rocks (3)
 

   3) What is a hornfels? (3)

7) Classify in table form the indurated and bedded shale rocks: (6)
 
 
 
 
 
 
 
 
 
 

8) What is the difference between:
 a) brittle and ductile deformation; (4)
 
 
 

 b) mylonite and slate. (4)
 
 
 

9) What is:
 a) an allochem (3)
 
 

 b) micrite (3)
 
 

c) a carbonate grainstone (3)