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Author Question: Which process is thought to generate most felsic magmas? A) Decompression melting in a ... (Read 116 times)

kwoodring

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on: Jul 16, 2018
Which process is thought to generate most felsic magmas?
 
  A) Decompression melting in a continental rift zone
  B) Crystal settling during magmatic differentiation
  C) Heat from basaltic magma partially melting overlying crust
  D) Friction along the crust in a convergent plate boundary

Question 2

A ________ is a tabular, concordant pluton that is nearly horizontal and forms when magma exploits a weakness between sedimentary layers.
 
  A) dike
  B) sill
  C) batholith
  D) laccolith


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meltdown117

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


kwoodring

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Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

adammoses97

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Reply 3 on: Yesterday
Excellent

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