Question 1

What type of metamorphic feature is shown in this photograph?

Accepted Answer

A)  thrust fault
B)  normal fault
C)  cleavage
D)  hornfelsE) A) and D)
F) None of the above

Question 2

How does the strength of continental crust vary with depth?

Accepted Answer

A)  Rocks become stronger with depth and then get weaker deep in the crust.
B)  Rocks weaken with depth and then get stronger deep in the crust.
C)  Rocks systematically get stronger from the surface to deep in the crust.
D)  Rocks systematically get weaker from the surface to deep in the crust.E) A) and B)
F) A) and C) A

Question 3

Which of the following features is older than fault 1?

Accepted Answer

A)  lava flow
B)  granite
C)  tilted layers
D)  lava flow and granite
E)  tilted layers and graniteF) A) and B)
G) All of the above

Question 4

What type of feature is shown in this image?

Accepted Answer

A)  a fold in metamorphic rocks
B)  a scarp along a strike-slip fault
C)  erosion of gently tilted layers
D)  a hogbackE) A) and D)
F) None of the above

Question 5

What type of metamorphic feature is shown in this photograph?

Accepted Answer

A)  cleavage in slate
B)  hornfels
C)  foliation in banded gneiss
D)  thrust faultE) A) and D)
F) A) and C)

Question 6

What types of features are shown in this photograph of unmetamorphosed sedimentary rocks?

Accepted Answer

A)  erosion of very tightly folded gneiss
B)  erosion along joints
C)  erosion of strong and weak layers
D)  erosion of a series of fault scarpsE) B) and C)
F) A) and B)

Question 7

How would the force and stress on the wooden pillar in this figure change if the stone weight was the same size but the wooden pillar was narrower?

Accepted Answer

A)  The amount of force and amount of stress would be unchanged.
B)  The amount of force and the amount of stress would both increase.
C)  The amount of force and the amount of stress would both decrease.
D)  The force would remain the same,but the amount of stress would increase.
E)  The force would remain the same,but the amount of stress would decrease.F) B) and D)
G) A) and B)

Question 8

Which of the following does NOT help define foliation in metamorphic rocks?

Accepted Answer

A)  a dominant orientation of crystals,such as mica
B)  light- and dark-colored bands
C)  flattened shapes of deformed objects,such as pebbles
D)  crystals that grow in a random orientation
E)  all of theseF) A) and E)
G) A) and D)

Question 9

What type of feature is shown in this photograph of unmetamorphosed sedimentary rocks?

Accepted Answer

A)  a fault
B)  tight folds formed at moderate to high temperatures
C)  cleavage
D)  columnar jointsE) A) and B)
F) C) and D)

Question 10

Why could the geologic setting in this figure cause metamorphism?

Accepted Answer

A)  because it forces some rocks deeper as they are overridden by rocks above the fault
B)  it would only cause metamorphism very near the surface
C)  it would only cause metamorphism where the fault intersects the surface
D)  it cannot cause metamorphism
E)  none of theseF) A) and C)
G) A) and B)

Question 11

What type of stress could form the fault in this figure?

Accepted Answer

A)  confining pressure
B)  vertical tension
C)  shear
D)  none of theseE) All of the above
F) A) and B)

Question 12

What type of metamorphic rock is shown here?

Accepted Answer

A)  slate
B)  hornfels
C)  greenstone
D)  banded gneissE) C) and D)
F) B) and D)

Question 13

What are the three main types of stress?

Accepted Answer

A)  compression,tension,and shear
B)  confining stress,deformation,and folding
C)  convergence,divergence,and transform faulting
D)  positive,negative,and neutral
E)  none of theseF) A) and E)
G) None of the above

Question 14

What types of structures dominate the Valley and Ridge Province of the Appalachian Mountains?

Accepted Answer

A)  normal faults that uplift the ridges and downdrop the valleys
B)  glacially carved valleys and curved ridges of glacial deposits
C)  large folds and thrust faults that have been eroded
D)  high-grade metamorphic rocks and ridges of graniteE) C) and D)
F) B) and D)

Question 15

Which of the numbers on this figure indicates low pressure/high temperature metamorphic conditions?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) A) and B)
F) A) and C)

Question 16

What type of metamorphic feature is shown in this photograph?

Accepted Answer

A)  anticline
B)  syncline
C)  monocline
D)  lineationE) B) and C)
F) None of the above

Question 17

This hard rock contains sand-sized grains of quartz.Fractures cut across,not around the sand grains.What is the correct name for this rock?

Accepted Answer

A)  schist
B)  slate
C)  gneiss
D)  quartziteE) B) and D)
F) B) and C) D

Question 18

What type of metamorphism would occur in this setting?

Accepted Answer

A)  regional metamorphism
B)  contact metamorphism
C)  subduction
D)  thrust faultingE) B) and C)
F) C) and D)

Question 19

What type of structure is shown in this figure?

Accepted Answer

A)  horizontal anticline
B)  horizontal syncline
C)  plunging anticline
D)  plunging syncline
E)  asymmetric anticlineF) None of the above
G) A) and B)

Question 20

What does the horizontal line along the intersection of the plane and the water represent?

Accepted Answer

A)  the direction of dip on the plane
B)  the direction in which a fault slipped
C)  the hanging wall
D)  a normal fault
E)  the strike of the surfaceF) A) and B)
G) B) and E) E

Exam 8: Deformation and Metamorphism

What type of metamorphic feature is shown in this photograph?

Correct AnswerverifiedShow Answer

How does the strength of continental crust vary with depth?

Correct AnswerverifiedA

Which of the following features is older than fault 1?

Correct AnswerverifiedShow Answer

What type of feature is shown in this image?

Correct AnswerverifiedShow Answer

What type of metamorphic feature is shown in this photograph?

Correct AnswerverifiedShow Answer

What types of features are shown in this photograph of unmetamorphosed sedimentary rocks?

Correct AnswerverifiedShow Answer

How would the force and stress on the wooden pillar in this figure change if the stone weight was the same size but the wooden pillar was narrower?

Correct AnswerverifiedShow Answer

Which of the following does NOT help define foliation in metamorphic rocks?

Correct AnswerverifiedShow Answer

What type of feature is shown in this photograph of unmetamorphosed sedimentary rocks?

Correct AnswerverifiedShow Answer

Why could the geologic setting in this figure cause metamorphism?

Correct AnswerverifiedShow Answer

What type of stress could form the fault in this figure?

Correct AnswerverifiedShow Answer

What type of metamorphic rock is shown here?

Correct AnswerverifiedShow Answer

What are the three main types of stress?

Correct AnswerverifiedShow Answer

What types of structures dominate the Valley and Ridge Province of the Appalachian Mountains?

Correct AnswerverifiedShow Answer

Which of the numbers on this figure indicates low pressure/high temperature metamorphic conditions?

Correct AnswerverifiedShow Answer

What type of metamorphic feature is shown in this photograph?

Correct AnswerverifiedShow Answer

This hard rock contains sand-sized grains of quartz.Fractures cut across,not around the sand grains.What is the correct name for this rock?

Correct AnswerverifiedD

What type of metamorphism would occur in this setting?

Correct AnswerverifiedShow Answer

What type of structure is shown in this figure?

Correct AnswerverifiedShow Answer

What does the horizontal line along the intersection of the plane and the water represent?

Correct AnswerverifiedE

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