Question 1

How will strike and dip marks be oriented on the geologic map of a nonplunging syncline?

Accepted Answer

A)  Parallel dips with strikes pointing away from the center of the fold
B)  Strikes ringing the fold with the dips pointing toward the center
C)  Strikes intersecting, but no dips because of horizontal layering
D)  Parallel strikes with dips pointing toward from the center of the foldE) C) and D)
F) B) and C)

Question 2

How will rock salt likely respond when put under stress?

Accepted Answer

A)  It will fault
B)  It will bend or flow
C)  It will dissolve
D)  It will fragmentE) B) and C)
F) None of the above

Question 3

A ________ fault is created when the hanging wall moves up relative to the footwall.

Accepted Answer

A)  strike-slip
B)  normal
C)  reverse
D)  grabenE) B) and C)
F) A) and D)

Question 4

What is the outcrop pattern of a plunging syncline?

Accepted Answer

A)  The layers will close to a point in the direction of plunge.
B)  The layers will be oriented parallel to each other.
C)  The layers will intersect at right angles.
D)  The layers will open up in the direction of plunge.E) B) and D)
F) A) and B)

Question 5

Unbending a paper clip wire is an example of what kind of deformation?

Accepted Answer

A)  Brittle deformation
B)  Ductile deformation
C)  Elastic deformation
D)  Shear deformationE) All of the above
F) A) and B)

Question 6

Which of the following best describes the age relationship of the layers in an anticline?

Accepted Answer

A)  Oldest on the outside of the fold, youngest on the inside
B)  Oldest on the inside of the fold, youngest on the outside
C)  Oldest materials thrust up on top of younger layers
D)  Horizontal bedding with the youngest layers on the topE) A) and C)
F) A) and B)

Question 7

How do joints form in tectonic environments?

Accepted Answer

A)  Rocks near the surface are stretched and pulled apart.
B)  Hot rocks cool and contract.
C)  Water dissolves rock along fractures.
D)  Rock fractures through heating.E) A) and D)
F) A) and C)

Question 8

Folds form in ________ temperature-________ pressure environments.

Accepted Answer

A)  low-; low-
B)  high-; high-
C)  high-; low-
D)  low-; high-E) A) and B)
F) A) and C)

Question 9

A ________ fault has a vertical fault plane and shows movement parallel to the orientation of the fault.

Accepted Answer

A)  reverse
B)  strike-slip
C)  thrust
D)  normalE) A) and B)
F) A) and C)

Question 10

Strained geologic materials lose their original configuration during deformation.

Accepted Answer

A) True 
 B)False

Question 11

What is the difference between a reverse fault and a thrust fault?

Accepted Answer

A)  A reverse fault is the result of compression, and a thrust fault is the result of tension.
B)  A reverse fault lengthens the crust, whereas a thrust fault shortens the crust.
C)  A thrust fault has a fault angle of less than 45°, whereas the angle of a reverse fault is greater.
D)  Reverse faults are associated with convergent boundaries, and thrust faults are associated with transform boundariesE) None of the above
F) C) and D)

Question 12

Movements along normal faults can produce alternating upthrown and down-dropped fault blocks.What are the names associated with these blocks, respectively?

Accepted Answer

A)  Synclines and anticlines
B)  Domes and basins
C)  Horsts and grabens
D)  Left-lateral and right-lateralE) A) and B)
F) B) and C)

Question 13

How will tensional force change a rock body?

Accepted Answer

A)  Stretch and thin the rock.
B)  Fracture the rock and grind the pieces alongside each other.
C)  Shorten and thicken the rock.
D)  The rock will not change.E) None of the above
F) A) and B)

Question 14

A syncline is a downfold in rock where the youngest layers are in the middle of the fold and the youngest are on the outside.

Accepted Answer

A) True 
 B)False

Question 15

What is the difference between faults and joints?

Accepted Answer

A)  Joints are the result of compression, whereas faults are the result of tension.
B)  Joints are the result of earthquakes, and faults are the result of weathering.
C)  Joints form in place, whereas faults form because rock has moved.
D)  Joints form from external stress, and faults form from cooling.E) A) and B)
F) A) and C)

Question 16

Which tectonic boundary is associated with compressional stress?

Accepted Answer

A)  Convergent
B)  Divergent
C)  Transform
D)  Dip-slipE) All of the above
F) None of the above

Question 17

Which tectonic boundary would have many thrust faults associated with it?

Accepted Answer

A)  Convergent
B)  Divergent
C)  TransformD) None of the above
E) All of the above

Question 18

________ refers to the changes in shape or position of a rock body in response to differential stress.

Accepted Answer

A)  Stress
B)  Deformation
C)  Compression
D)  Brittle failureE) None of the above
F) A) and D)

Question 19

Shearing produced fault zones in the deep crust and folding in the upper crust.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following are examples of fault-block mountains?

Accepted Answer

A)  Himalayas
B)  Rocky Mountains
C)  Basin and Range
D)  AlpsE) None of the above
F) A) and D)

Exam 10: Crustal Deformation

Movements along normal faults can produce alternating upthrown and down-dropped fault blocks.What are the names associated with these blocks, respectively?

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Which of the following are examples of fault-block mountains?

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How do joints form in tectonic environments?

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A syncline is a downfold in rock where the youngest layers are in the middle of the fold and the youngest are on the outside.

Correct AnswerverifiedShow Answer

Shearing produced fault zones in the deep crust and folding in the upper crust.

Correct AnswerverifiedShow Answer

Which tectonic boundary is associated with compressional stress?

Correct AnswerverifiedShow Answer

What is the difference between a reverse fault and a thrust fault?

Correct AnswerverifiedShow Answer

A ________ fault has a vertical fault plane and shows movement parallel to the orientation of the fault.

Correct AnswerverifiedShow Answer

Strained geologic materials lose their original configuration during deformation.

Correct AnswerverifiedShow Answer

Folds form in ________ temperature-________ pressure environments.

Correct AnswerverifiedShow Answer

What is the difference between faults and joints?

Correct AnswerverifiedShow Answer

Unbending a paper clip wire is an example of what kind of deformation?

Correct AnswerverifiedShow Answer

Which tectonic boundary would have many thrust faults associated with it?

Correct AnswerverifiedShow Answer

How will rock salt likely respond when put under stress?

Correct AnswerverifiedShow Answer

Which of the following best describes the age relationship of the layers in an anticline?

Correct AnswerverifiedShow Answer

How will tensional force change a rock body?

Correct AnswerverifiedShow Answer

A ________ fault is created when the hanging wall moves up relative to the footwall.

Correct AnswerverifiedShow Answer

What is the outcrop pattern of a plunging syncline?

Correct AnswerverifiedShow Answer

How will strike and dip marks be oriented on the geologic map of a nonplunging syncline?

Correct AnswerverifiedShow Answer

________ refers to the changes in shape or position of a rock body in response to differential stress.

Correct AnswerverifiedShow Answer

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Folds form in temperature- pressure environments.

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