ERSC 181 Week 5 Quiz Questions and Answers | American Military University-Heat promotes recrystallization by
•
A. stripping away valence electrons
•
B. separating ultramafic elements from mafic ones
•
C. increasing atomic vibration
•
D. causing minerals to melt
...
Week 5 Exam (timed and single access)
736657 Week 5 Exam (tim
Part 1 of 3 - 44.0/ 52.0 Points
Question 1 of 25
4..0 Points
Heat promotes recrystallization by
•
A. stripping away valence electrons
•
B. separating ultramafic elements from mafic ones
•
C. increasing atomic vibration
•
D. causing minerals to melt
Feedback: heat causes atoms to vibrate more vigorously, possibly moving from one location in
the crystal to another, even moving into another crystal.
Question 2 of 25
4..0 Points
Which type of metamorphism is responsible for the greatest amount of deformation?
, •
A. fault
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B. burial
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C. subduction
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D. regional
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E. contact
Question 3 of 25
4..0 Points
Which metamorphic facies is associated with subduction zones?
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A. epidote-eclogite
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B. greenschist
, •
C. granulite
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D. lawsonite-blueschist
Feedback: by analyzing the Chapter 6 diagram, lawsonite-blueschist is shown on the left at a
low temperature but at a high pressure. The associated diagram indicates that high pressure and
low temperature minerals are found at subduction zones.
Question 4 of 25
4..0 Points
What are the textures of metamorphic rocks?
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A. foliated or nonfoliated
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B. coarse or fine
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C. clastic or detrital
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D. phaneritic or aphanitic
Question 5 of 25
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