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Multiple Choice Quiz
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1
Which of the following is a type of stress?
A)compression
B)tension
C)shear
D)All of these are types of stress.
2
The strike of a rock layer is:
A)it hardness relative to other rocks layers.
B)The compass direction of a horizontal line formed by the intersection of an inclined plane and a horizontal plane.
C)the angle at which the layer intercepts a horizontal plane.
D)the angle at which the layer plunges into the axis of a fold.
3
Folding occurs when rocks behave as:
A)ductile solids.
B)frozen solids.
C)fluids.
D)brittle solids.
4
When rocks are under a compressional stress, they will:
A)Break.
B)Fracture.
C)Fold.
D)All of these occur under compression.
5
Synclines:
A)are never observed in nature.
B)are uparched folds.
C)form in rocks that are resistant to folding.
D)are trough shaped folds.
6
In a syncline, the youngest rocks will be found:
A)at the bottom of the fold.
B)on the limbs of the fold.
C)in the center of the fold.
D)none of these.
7
In a syncline, all rock layers:
A)have horizontal dips.
B)have vertical dips.
C)dip away from the fold axis.
D)dip toward the fold axis.
8
In an anticline, the youngest rock layers:
A)dip toward from the fold axis.
B)are found nearest the fold axis.
C)are found on the limbs of the fold.
D)None of these are correct.
9
In a plunging anticline:
A)the fold axis is horizontal.
B)the limbs are parallel.
C)the axial plane is inclined.
D)the fold axis is dipping.
10
A structural basin is a special case of:
A)a freak of nature.
B)an anticline
C)a syncline.
D)a dome.
11
A fault is observed where the hanging wall is displaced upward relative to the footwall.
A)This is a right-lateral strike-slip fault.
B)This is a left-lateral strike-slip fault.
C)This is a reverse fault.
D)This is a normal fault.
12
The San Andreas Fault is an example of:
A)a thrust fault.
B)a normal fault.
C)a reverse fault.
D)a strike-slip fault
13
Faults with both vertical and horizontal displacement are called:
A)oblique faults.
B)dip-slip faults.
C)strike-slip faults.
D)thrust faults.
14
If the hanging-wall block moves up relative to the footwall block, that fault is called:
A)a transform fault.
B)a strike-slip fault.
C)reverse fault.
D)recumbent fault.
15
Strike-slip faults can also be:
A)synclines.
B)anticlines.
C)transform faults.
D)dip-slip faults.
16
Faults result from:
A)brittle deformation of rocks.
B)ductile deformation of rocks.
C)folding of rocks.
D)all of these
17
Fractures result from:
A)ductile deformation of rocks.
B)slow strain rates.
C)brittle deformation of rocks.
D)all of these
18
Folds whose limbs are horizontal are known as:
A)recumbent folds.
B)massively thrusted folds.
C)overturned folds.
D)horizontal layers.
19
Which of the following is not a fold type?
A)thrust
B)dome
C)anticline
D)syncline
20
Which geologic setting has the most obvious dip-slip faults?
A)The Canadian Shield
B)California
C)The Basin and Range Province of North America
D)The Midwest United States





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