Question 1

What platy, parallel, mineral grains are the most visual aspect of foliated metamorphic rocks?

Accepted Answer

A)  micas
B)  feldspars
C)  carbonates
D)  quartzE) C) and D)
F) B) and D)

Question 2

Subduction zone metamorphism is characterized by high temperatures and low pressure.

Accepted Answer

A) True 
 B)False

Question 3

What type of environment is typified by brittle deformation?

Accepted Answer

A)  deep burial with great confining pressure
B)  intermediate depths with long slow heating and gradual strain rates
C)  shallow, low temperature settings with high strain rates
D)  shallow very high temperature settings as in contact metamorphismE) All of the above
F) None of the above C

Question 4

________ is characterized by the segregation of light- and dark-coloured minerals into thin layers or bands.

Accepted Answer

A)  Garnet hornfels
B)  Granite gneiss
C)  Slate
D)  QuartziteE) A) and D)
F) A) and C)

Question 5

What type of stress (pressure)is illustrated in the diagram below?

Accepted Answer

confining pressure

Question 6

Metamorphic facies each have a distinctive assemblage of minerals.

Accepted Answer

A) True 
 B)False

Question 7

Chlorite hornfels would likely be restricted to the edge of the metamorphic aureole.

Accepted Answer

A) True 
 B)False

Question 8

What three factors or processes govern the development of foliation?

Accepted Answer

1)rotation of platy or elongat...

Question 9

Is it always possible to determine the original parent rock (called a protolith)prior to metamorphism? Why or why not? List three protoliths and give a possible metamorphic equivalent for each one.

Accepted Answer

No.Intense heat, pressure, deformation, ...

Question 10

At elevated pressures, water can be used to supply unequal, directed pressure by hydraulic forces.

Accepted Answer

A) True 
 B)False  False

Question 11

Where and how does metamorphism occur?

Accepted Answer

A)  mainly at low temperatures in the roots of volcanic mountain belts
B)  beneath the thick accumulations of in sedimentary basins
C)  wherever solid rocks are subjected to new conditions of temperature, pressure, stress, and a change in their constituent fluids
D)  in response to sudden catastrophic geologic changes, mostly in the Precambrian.E) None of the above
F) A) and C)

Question 12

Vast flat exposures of ancient metamorphic and igneous rocks are called ________.

Accepted Answer

Precambria...

Question 13

Most metamorphism happens entirely in the solid state.

Accepted Answer

A) True 
 B)False

Question 14

Metamorphic rocks formed during episodes of mountain building typically show textural characteristics indicative of directed pressure and deformation.

Accepted Answer

A) True 
 B)False

Question 15

Which metamorphic rock or rocks exhibit alternating layers or bands of different light- and dark-coloured silicate minerals?

Accepted Answer

The answer of Which metamorphic rock or rocks exhibit alternating...

Question 16

Greenschist results from contact metamorphism of a roof pendant.

Accepted Answer

A) True 
 B)False

Question 17

At high pressures and elevated temperatures of regional metamorphism, silicate rocks are more resistant to flowage and deformation than at low temperatures and pressures.

Accepted Answer

A) True 
 B)False

Question 18

Match the rock with the appropriate description.
-________ coarse-grained, metamorphic rock with alternating bands or stringers of light and dark minerals

Accepted Answer

A)  hornfels
B)  marble
C)  gneiss
D)  phylliteE) A) and D)
F) C) and D)

Question 19

Which one of the following statements is false?

Accepted Answer

A)  Slate forms from shale and mudstones.
B)  Slate has abundant, coarse-grained mica.
C)  In slate, rock cleavage is common.
D)  In slate, sedimentary features may be visible.E) None of the above
F) B) and C)

Question 20

Which regional metamorphic rock type listed below represents the highest grade?

Accepted Answer

A)  hornfels
B)  mica schist
C)  slate
D)  phylliteE) A) and C)
F) B) and C)

Exam 7: Metamorphism and Metamorphic Rocks

What platy, parallel, mineral grains are the most visual aspect of foliated metamorphic rocks?

Correct AnswerverifiedShow Answer

Subduction zone metamorphism is characterized by high temperatures and low pressure.

Correct AnswerverifiedShow Answer

What type of environment is typified by brittle deformation?

Correct AnswerverifiedC

________ is characterized by the segregation of light- and dark-coloured minerals into thin layers or bands.

Correct AnswerverifiedShow Answer

What type of stress (pressure)is illustrated in the diagram below?

Correct Answerverifiedconfining pressure

Metamorphic facies each have a distinctive assemblage of minerals.

Correct AnswerverifiedShow Answer

Chlorite hornfels would likely be restricted to the edge of the metamorphic aureole.

Correct AnswerverifiedShow Answer

What three factors or processes govern the development of foliation?

Correct Answerverified1)rotation of platy or elongat...View AnswerShow Answer

Is it always possible to determine the original parent rock (called a protolith)prior to metamorphism? Why or why not? List three protoliths and give a possible metamorphic equivalent for each one.

Correct AnswerverifiedNo.Intense heat, pressure, deformation, ...View AnswerShow Answer

At elevated pressures, water can be used to supply unequal, directed pressure by hydraulic forces.

Correct AnswerverifiedFalse

Where and how does metamorphism occur?

Correct AnswerverifiedShow Answer

Vast flat exposures of ancient metamorphic and igneous rocks are called ________.

Correct AnswerverifiedPrecambria...View AnswerShow Answer

Most metamorphism happens entirely in the solid state.

Correct AnswerverifiedShow Answer

Metamorphic rocks formed during episodes of mountain building typically show textural characteristics indicative of directed pressure and deformation.

Correct AnswerverifiedShow Answer

Which metamorphic rock or rocks exhibit alternating layers or bands of different light- and dark-coloured silicate minerals?

Correct AnswerverifiedShow Answer

Greenschist results from contact metamorphism of a roof pendant.

Correct AnswerverifiedShow Answer

At high pressures and elevated temperatures of regional metamorphism, silicate rocks are more resistant to flowage and deformation than at low temperatures and pressures.

Correct AnswerverifiedShow Answer

Match the rock with the appropriate description. -________ coarse-grained, metamorphic rock with alternating bands or stringers of light and dark minerals

Correct AnswerverifiedShow Answer

Which one of the following statements is false?

Correct AnswerverifiedShow Answer

Which regional metamorphic rock type listed below represents the highest grade?

Correct AnswerverifiedShow Answer

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C

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confining pressure

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1)rotation of platy or elongat...
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No.Intense heat, pressure, deformation, ...
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False

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Precambria...
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