Question 1

Which of the following statements is true regarding rock deformation inside the Earth?

Accepted Answer

A)   Heat makes materials harder to deform.
B)   High pressures make rock act more brittlely.
C)   A sudden change in shape causes ductile deformation.
D)   Softer rock types deform ductilely.

Question 2

A fold shaped like an elongate arch is a(n) ____________.

Accepted Answer

A)   anticline
B)   basin
C)   dome
D)   syncline

Question 3

Why are Mt.Everest and the surrounding Himalayan Mountains still growing?

Accepted Answer

A)   They experience no erosion.
B)   The Indian Plate is still moving.
C)   India is made of stronger lithosphere than Asia.
D)   Both a and c are correct.
E)   Both b and c are correct.

Question 4

A body of rock affected by compressive stress will likely undergo ____________.

Accepted Answer

A)   shortening
B)   stretching
C)   shear strain

Question 5

The balance between the weight of a mountain range and the buoyancy provided by the underlying mantle is termed ____________.

Accepted Answer

A)   punctuated equilibrium
B)   homeostatic equilibrium
C)   isostatic equilibrium
D)   osmotic equilibrium

Question 6

Mountain ranges are important sites for the formation of igneous and metamorphic rocks,but do not have any apparent relationship with the formation of sedimentary rocks.

Accepted Answer

A) True 
 B)False

Question 7

A fold shaped like an upside-down bowl is a(n) ____________.

Accepted Answer

A)   anticline
B)   basin
C)   dome
D)   syncline C

Question 8

Mountain ranges are associated with modern and ancient convergent-plate boundaries,but do not form in association with either divergent- or transform-plate boundaries.

Accepted Answer

A) True 
 B)False

Question 9

Tectonic foliation,such as elongation of quartz grains,always occurs parallel to the original bedding plane of a body of rock.

Accepted Answer

A) True 
 B)False

Question 10

A fold shaped like an right-side-up bowl is a(n) ____________.

Accepted Answer

A)   anticline
B)   basin
C)   dome
D)   syncline

Question 11

Orogenesis (mountain building) leads to the production of ____________.

Accepted Answer

A)   metamorphic rocks only
B)   igneous rocks only
C)   sedimentary rocks only
D)   any of the three rock types listed above

Question 12

A body of rock to which a sudden,rapid stress has been applied is more likely to exhibit ____________ than is a body of rock subjected to a gradually applied stress.

Accepted Answer

A)   brittle behavior
B)   ductile behavior

Question 13

Right lateral and left lateral are both examples of ____________ faults.

Accepted Answer

A)   strike-slip
B)   dip-slip
C)   oblique-slip

Question 14

A fold shaped like an elongate trough is a(n) ____________.

Accepted Answer

A)   anticline
B)   basin
C)   dome
D)   syncline

Question 15

A joint always occurs as a single,isolated plane within a rock.

Accepted Answer

A) True 
 B)False

Question 16

Why do mountains occur in distinctive belts?

Accepted Answer

A)   Rifts are linear features.
B)   Plates move linearly over hot spots.
C)   The processes that create mountains are linear.
D)   Both a and c are correct.
E)   Both b and c are correct. D

Question 17

Theoretically,there is no reason why mountains substantially taller than Mt.Everest might not one day arise on Earth.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following must occur for the elevation of a mountain range to increase over time?

Accepted Answer

A)   There must be an absence of erosion.
B)   The rate of erosion must be less than the rate of uplift.
C)   The rate of uplift must be less than the rate of erosion.
D)   Uplift and erosion must cease, but the asthenosphere must expand.

Question 19

The distinction between joints and faults is that ____________.

Accepted Answer

A)   faults are joints that are greater than one square meter in areal extent
B)   faults are fractures along which displacement has occurred; displacement does not occur along joints
C)   joints are fractures along which displacement has occurred; displacement does not occur along faults
D)   There is no distinction; the two terms are synonymous. B

Question 20

An episode of mountain building is termed a(n) ____________.

Accepted Answer

A)   orogeny
B)   phylogeny
C)   aureole
D)   slickenside

Exam 9: Crags, cracks, and Crumples: Crustal Deformation and Mountain Building

Which of the following statements is true regarding rock deformation inside the Earth?

Correct AnswerverifiedShow Answer

A fold shaped like an elongate arch is a(n) ____________.

Correct AnswerverifiedShow Answer

Why are Mt.Everest and the surrounding Himalayan Mountains still growing?

Correct AnswerverifiedShow Answer

A body of rock affected by compressive stress will likely undergo ____________.

Correct AnswerverifiedShow Answer

The balance between the weight of a mountain range and the buoyancy provided by the underlying mantle is termed ____________.

Correct AnswerverifiedShow Answer

Mountain ranges are important sites for the formation of igneous and metamorphic rocks,but do not have any apparent relationship with the formation of sedimentary rocks.

Correct AnswerverifiedShow Answer

A fold shaped like an upside-down bowl is a(n) ____________.

Correct AnswerverifiedC

Mountain ranges are associated with modern and ancient convergent-plate boundaries,but do not form in association with either divergent- or transform-plate boundaries.

Correct AnswerverifiedShow Answer

Tectonic foliation,such as elongation of quartz grains,always occurs parallel to the original bedding plane of a body of rock.

Correct AnswerverifiedShow Answer

A fold shaped like an right-side-up bowl is a(n) ____________.

Correct AnswerverifiedShow Answer

Orogenesis (mountain building) leads to the production of ____________.

Correct AnswerverifiedShow Answer

A body of rock to which a sudden,rapid stress has been applied is more likely to exhibit ____________ than is a body of rock subjected to a gradually applied stress.

Correct AnswerverifiedShow Answer

Right lateral and left lateral are both examples of ____________ faults.

Correct AnswerverifiedShow Answer

A fold shaped like an elongate trough is a(n) ____________.

Correct AnswerverifiedShow Answer

A joint always occurs as a single,isolated plane within a rock.

Correct AnswerverifiedShow Answer

Why do mountains occur in distinctive belts?

Correct AnswerverifiedD

Theoretically,there is no reason why mountains substantially taller than Mt.Everest might not one day arise on Earth.

Correct AnswerverifiedShow Answer

Which of the following must occur for the elevation of a mountain range to increase over time?

Correct AnswerverifiedShow Answer

The distinction between joints and faults is that ____________.

Correct AnswerverifiedB

An episode of mountain building is termed a(n) ____________.

Correct AnswerverifiedShow Answer

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C

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D

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B

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