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Multiple Choice Quiz
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1
The mountain belt that forms the western part of North America is called the:
A)Appalachian Mountains.
B)Ouachita Mountains.
C)North American Cordillera.
D)Rocky Mountains.
2
The craton:
A)is the youngest portion of continents.
B)is the geologically active portion of continents.
C)is the geologically stable portion of continents.
D)is associated with active continental margins and subduction zones.
3
Precambrian shields:
A)were in existence at the time Earth formed.
B)were once divergent plate margins.
C)have been destroyed by subduction over time.
D)are very ancient rocks representing the central cores of continents.
4
Folds and reverse faults in a mountain range suggest:
A)deep water deposition of sediments.
B)crustal shortening.
C)tensional stresses.
D)all of these
5
Which is not a stage in the history of a mountain belt?
A)accumulation
B)block faulting
C)orogeny
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 reach the top of a mountain belt, geologist use a model called:
A)faulting.
B)tectonism.
C)gravitational collapse.
D)none of these
7
The detachment of a part of the mantle portion of the lithosphere beneath a mountain belt is called:
A)subduction.
B)delamination.
C)rifting.
D)gravitational collapse.
8
Which is not a type of terrane?
A)accumulated
B)accreted
C)suspect
D)exotic
9
Folded mountain belts commonly form in response to:
A)assembly of supercontinents.
B)isostatic adjustment.
C)lithospheric delamination.
D)continental extension.
10
A mountain belt formed through ocean-continent convergence may contain:
A)high-grade metamorphic rocks.
B)fold and thrust belts.
C)thick accumulations of marine sedimentary rocks.
D)all of these
11
The Himalayas formed as a result of:
A)ocean-continent convergence.
B)ocean-ocean convergence.
C)continent-continent convergence.
D)none of these
12
The Appalachians formed as a result of:
A)continent-continent convergence.
B)ocean-ocean convergence.
C)ocean-continent convergence.
D)none of these
13
The Ouachita Mountains formed as a result of:
A)ocean-ocean convergence.
B)continent-continent convergence.
C)ocean-continent convergence.
D)none of these
14
The Alps formed as a result of:
A)ocean-ocean convergence.
B)ocean-continent convergence
C)continent-continent convergence.
D)none of these
15
The Ural Mountains formed as a result of:
A)continent-continent convergence.
B)ocean-ocean convergence.
C)ocean-continent convergence.
D)none of these
16
The Sierra Nevada mountains formed as a result of:
A)ocean-ocean convergence.
B)continent-continent convergence.
C)ocean-continent convergence and block faulting.
D)none of these
17
The Andes Mountains formed as a result of:
A)ocean-continent convergence.
B)ocean-ocean convergence.
C)continent-continent convergence.
D)none of these
18
The Cascade Range formed as a result of:
A)continent-continent convergence.
B)ocean-ocean convergence.
C)ocean-continent convergence.
D)none of these
19
It would appear that most mountain ranges form as a result of:
A)some form of transform tectonics.
B)some form of convergent tectonics.
C)some form of divergent tectonics.
D)none of these
20
The region of a continent that has been structurally stable for a long period of time is called the:
A)craton
B)basin
C)Precambrian shield
D)basin





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