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ERSC 181 Week 5 Quiz Questions and Answers | American Military University $11.99   Add to cart

Exam (elaborations)

ERSC 181 Week 5 Quiz Questions and Answers | American Military University

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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 ...

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  • July 27, 2021
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
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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




B. burial




C. subduction




D. regional




E. contact



Question 3 of 25
4..0 Points
Which metamorphic facies is associated with subduction zones?




A. epidote-eclogite




B. greenschist

, •

C. granulite




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?




A. foliated or nonfoliated




B. coarse or fine




C. clastic or detrital




D. phaneritic or aphanitic



Question 5 of 25

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