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Author Question: Explain the processes occurring in the figure above that are generating magma. At what kind of ... (Read 99 times)

james9437

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on: Jul 16, 2018
Explain the processes occurring in the figure above that are generating magma. At what kind of tectonic boundary are such processes common?
 
  What will be an ideal response?

Question 2

Slow cooling produces ________ crystals, whereas fast cooling produces ________ crystals.
 
  Fill in the blank with correct word.


Moriaki

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

Answer: As rifting occurs at the divergent boundary, pressure is decreased at that point on the mantle. Decompression melting generates magma.

Answer to Question 2

Answer: large; small


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