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Multiple Choice Quiz
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To help you master concepts from Chapter 20 (Mountain Belts and the Continental Crust), take this sample examination.

1
The mountain belt that forms the western part of North America is called the:
A)Appalachian Mountains.
B)Himalayas.
C)North American Cordillera.
D)Ouachita Mountains.
2
The craton:
A)is the portion of a continent with the highest mountains.
B)is the geologically stable portion of continents.
C)is the youngest portion of continents.
D)none of these.
3
Precambrian shields:
A)are very ancient rocks representing the central cores of continents.
B)have been destroyed by subduction over time.
C)were once divergent plate margins.
D)were in existence at the time Earth formed.
4
Folds and reverse faults in a mountain range suggest:
A)crustal shortening.
B)tensional stresses.
C)deep water deposition of sediments.
D)all of these.
5
Which is not a stage in the history of a mountain belt?
A)subsidence.
B)orogenic.
C)block faulting.
D)all of these are stages in the history of a mountain belt.
6
To explain fold and thrust belts, simultaneous normal faulting, and how once deep-seated metamorphic rocks rise to an upper level in a mountain belt, geologist use a model called:
A)gravitational collapse.
B)tectonism.
C)faulting.
D)none of these.
7
The detachment of a part of the mantle portion of the lithosphere beneath a mountain belt is called:
A)gravitational collapse.
B)rifting.
C)lithospheric delamination.
D)orogeny.
8
Which is not a type of terrane?
A)exotic.
B)suspect.
C)accreted.
D)accumulated.
9
Which of the following is a source of terranes?
A)microcontinents.
B)fragments of distant continents.
C)ocean crustal fragments.
D)all of these
10
Block-faulting may be due to:
A)isostatic adjustment
B)lithospheric delamination
C)gravitational collapse.
D)all of these.
11
A mountain belt formed through ocean-continent convergence may contain:
A)fold and thrust belts.
B)thick accumulations of marine sedimentary rocks.
C)high-grade metamorphic rocks.
D)all of these.
12
The Himalayas formed as a result of:
A)continent-continent convergence.
B)ocean-continent convergence.
C)ocean-ocean convergence.
D)none of these.
13
The Appalachians formed as a result of:
A)ocean-ocean convergence.
B)ocean-continent convergence.
C)continent-continent convergence.
D)none of these.
14
The Ouachita Mountains formed as a result of:
A)ocean-continent convergence.
B)continent-continent convergence.
C)ocean-ocean convergence.
D)none of these.
15
The Alps formed as a result of:
A)continent-continent convergence.
B)ocean-continent convergence
C)ocean-ocean convergence.
D)none of these.
16
The Ural Mountains formed as a result of:
A)ocean-ocean convergence.
B)ocean-continent convergence.
C)continent-continent convergence.
D)none of these.
17
The Sierra Nevada mountains formed as a result of:
A)continent-continent convergence.
B)ocean-continent convergence.
C)ocean-ocean convergence.
D)none of these.
18
The Andes Mountains formed as a result of:
A)ocean-ocean convergence.
B)continent-continent convergence.
C)ocean-continent convergence.
D)none of these.
19
The Cascade Range formed as a result of:
A)ocean-continent convergence.
B)continent-continent convergence.
C)ocean-ocean convergence.
D)none of these.
20
It would appear that most mountain ranges form as a result of:
A)some form of convergent tectonics.
B)some form of divergent tectonics.
C)some form of transform tectonics.
D)none of these.





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