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Author Question: If an igneous rock is heated, which mineral melts first according to Bowen's reaction series? A) ... (Read 55 times)

lbcchick

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on: Jul 16, 2018
If an igneous rock is heated, which mineral melts first according to Bowen's reaction series?
 
  A) Quartz
  B) Pyroxene
  C) Potassium feldspar
  D) Olivine

Question 2

Which of the following statements best describes the formation of secondary magmas?
 
  A) Decompression melting creates a mafic magma from mantle material.
  B) Iron-rich minerals will form in a cooling magma and leave the remaining melt with a more silicic composition.
  C) Partial melting of felsic rocks creates a silica-rich magma.
  D) Water dehydrating from a subducted plate will melt mantle material.


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Sammyo

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

Answer: A

Answer to Question 2

Answer: B


lbcchick

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Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

atrochim

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Reply 3 on: Yesterday
Excellent

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