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Author Question: What role does temperature play in metamorphism? What will be an ideal ... (Read 80 times)

kamilo84

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on: Jul 16, 2018
What role does temperature play in metamorphism?
 
  What will be an ideal response?

Question 2

True or False: Metamorphic processes can be seen because metamorphic rocks form on Earth's surface.
 
  Indicate whether this statement is true or false.


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dreamfighter72

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

Answer: Temperature increases along the geothermal gradient as rocks are buried deeper in Earth's crust by tectonic processes or by the weight of the rocks above them. Rocks also experience higher temperatures near igneous intrusions. A temperature increase can drive the chemical reactions of metamorphism. These reactions include dehydration and degassing of minerals that contain water or gas molecules in their structure. Minerals are stable within a defined range of temperature and pressure. Outside of this stability range, original minerals break down and form new minerals.

Answer to Question 2

Answer: FALSE


kamilo84

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Reply 2 on: Jul 16, 2018
Wow, this really help

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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