Earth History and Global Change

GEOL1122   Spring 2015

Answers for Practice Test #2

 

1) b                                         10) b                                       19) c

2) d                                         11) b                                       20) d

3) c                                         12) a                                       21) d

4) b                                         13) b                                       22) a

5) c                                         14) b                                       23) a

6) a                                         15) d                                       24) c

7) a                                         16) d                                       25) b

8) a                                         17) b                                      

9) d                                         18) c

                                                                                               

26) Structural

27) Stress; strain

28) Syncline

29) domes

30) joints

31) Because they formed at such high temperatures and pressures.

32) Lithostatic; directed

33) compressional; brittle

34) Paleobiogeography

35-36) Fossil Limestone – Organic Reefs

            Coal – Temperate Swamps

            Evaporites – Deserts

37) Caledonians

38) Rifting of Gondwana

39) Curie Point; 580°

40) Ring of Fire

41-46) (Transform) Shear stress; strike-slip faults; absent volcanism; San Andreas – southern California example

            (Divergent Ocean-Ocean) Extensional stress; normal faults; common volcanism; Mid-Atlantic Ridge example

            (Convergent Continent-Continent) Compressional stress; reverse/thrust faults; absent volcanism; Himalayas example

47-48) Antarctica, Africa, S. America, India, Australia

49-50) Hot spots remain fixed and the moving overlaying plate displaces volcanic islands in the direction and at the rate the plate moves.

           

 

Extra Credit: Alfred Wegner