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Geology Chapter 15

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1.
1 point
A(n) ______ fault has both dip-slip and strike-slip components.
2.
1 point
A rock that behaves in a(n) ____ manner will bend under stress and does not return to its original shape.
3.
1 point
Rocks typically exhibit _____ behavior at or near the surface where temperatures and pressures are low.
4.
1 point
In a _____ fault the hanging wall block moves down relative to the footwall block.
5.
1 point
In a _____ fault, the hanging-wall block moves up relative to the footwall block.
6.
1 point
In a normal fault, the hanging-wall block has moved ______ relative to the footwall block.
7.
1 point
A thrust fault is ____.
8.
1 point
On a surface leveled by erosion the pattern of exposed beds of a plunging fold resembles that of the letter __.
9.
1 point
A(n) _____ is a structure in which beds dip away from a common central point, and the oldest rocks are found in the center.
10.
1 point
An anticline is a fold shaped like a(n) ____ with the oldest rock in the center of the fold.
11.
1 point
If a bed strikes north it must ________.
12.
1 point
The angle of dip is measured relative to _______.
13.
1 point
_____ are usually associated with shortening of rock layers along convergent plate boundaries.
14.
1 point
The San Andreas fault in California is not a simple crack but ___.
15.
1 point
_____ folds have limbs that dip gently and the angle between the limbs is large.
16.
1 point
Stress is ______.
17.
1 point
A(n) _______ fold has been overturned to such an extent that the limbs are essentially horizontal.
18.
1 point
The fact that a rock is folded or bent shows that it behaved as a _____ material.
19.
1 point
A(n) _____ represents a vertical slice through the Earth.
20.
1 point
_____ stress results in rocks being shortened or flattened.
21.
1 point
A map symbol similar to the letter "T" is used to record ______ on a map.
22.
1 point
A(n) ____ trap is one of the best structures for holding oil.
23.
1 point
On a geologic map, a symbol that looks like a cross indicates ____.
24.
1 point
______ is the compass direction of a line formed by the intersection of an inclined plane and an imaginary horizontal plane.
25.
1 point
Collectively, the San Andreas fault system of California is a(n) _____.
26.
1 point
Normal and reverse faults are the most common types of _____.
27.
1 point
Where joints are oriented approximately parallel to one another a _____ can be defined.
28.
1 point
If a deformed material recovers its original shape after stress is reduced, the behavior is _.
29.
1 point
Geologists sometimes find valuable ore deposits by studying the orientation of ____, fractures or cracks in a rock body along which no displacement has occurred.
30.
1 point
A ____ uses standardized symbols and patterns to represent rock types and geologic structures.
31.
1 point
The San Andreas Fault system can be described as _________.
32.
1 point
_____ stress results in a stretching or extension of material.
33.
1 point
_____ are bends or wave-like features in layered rocks.
34.
1 point
According to plate tectonic theory, the San Andreas fault is a transform boundary that separates the North American plate from the _____.
35.
1 point
The side of the fault above the inclined fault surface is the ___.
36.
1 point
A ______ stress is caused by forces pulling away from one another.
37.
1 point
For many geologists an active fault is one along which movement has taken place in the during the last ________ years.
38.
1 point
In cross section a structural basin looks like a ______.
39.
1 point
_____ are fractures in bedrock along which sliding movement has taken place.
40.
1 point
_____ may cause a change in orientation, location, and shape of a rock body.
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