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ERSC 181 Week 5 Quiz Questions and Answers 2021 | American Military University

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ERSC 181 Week 5 Quiz Questions and Answers 2021 | American Military University-Heat promotes recrystallization by • A. stripping away valence electrons • B. separating ultramafic eleme ... nts 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 / 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 / 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 / 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 4.0 / 4.0 Points The core of a mountain range that formed during regional metamorphism would contain a metamorphic facies. [Show More]

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