GEOL1122 Fall 2009

Answers for Practice Test #2

1) a 10) b 19) c

2) d 11) b 20) b

3) d 12) d 21) d

4) a 13) c 22) b

5) b 14) b 23) c

6) a 15) a 24) a

7) c 16) c 25) b

8) a 17) d

9) c 18) d

26-27) Stress; strain

28) anticline

29) monocline

30-31) normal; Basin and Range

32) joints

33) thrust

34) Paleobiogeography

35-36) Coal – temperate swamps; limestone – warm, clear, shallow marine; glacial till – cold subpolar; rock salt and rock gypsum – mid-latitude deserts

36-39)

Type of Plate Boundary	Volcanism	Geologic Structures	Example
Convergent Ocean-Continent	Very common andesite volcanism	Thrust faults and folds	Western South America
Divergent Continent-Continent	Very common basalt volcanism	Normal faults and rift basins	East Africa
Transform between Any Plate Type	None	Strike-slip Faults	Sand Andreas Fault

40-41) South America, Africa, Antarctica, Australia and India

42) 10-20 cm/year

43) thermal convection

44) Mesosaurus

45-46) older; thicker; colder; and more dense

47) Benioff Zones

48-49) It has been subducted as the oceanic plates continue to form new crust along ridges and rises.

50) lithosphere

Extra Credit: Alfred Wegener – Father of Plate Tectonic Theory