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Author Question: What is the role of pressure in metamorphism? What will be an ideal ... (Read 25 times)

gonzo233

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on: Jul 16, 2018
What is the role of pressure in metamorphism?
 
  What will be an ideal response?

Question 2

True or False: Temperature decreases with depth below Earth's surface.
 
  Indicate whether this statement is true or false.


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janieazgirl

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

Answer: Pressure increases as depth increases inside Earth. Increasing pressure causes many minerals to metamorphose into denser minerals that are more stable at high pressure. Recrystallization at high pressure changes rock texture without changing chemical composition or mineral content. Foliation describes planes of minerals formed in response to stress. Foliation is recognized by preferred orientation of minerals, reshaping of minerals, or alternating bands of different minerals.

Answer to Question 2

Answer: TRUE


gonzo233

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Reply 2 on: Jul 16, 2018
Excellent

Animal_Goddess

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Reply 3 on: Yesterday
Gracias!

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