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Author Question: What are the sources of the heat, pressure, and fluids that cause rocks to metamorphose? What will ... (Read 42 times)

robinn137

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on: Jul 15, 2018
What are the sources of the heat, pressure, and fluids that cause rocks to metamorphose? What will be an ideal response?

Question 2

What is the role of heat as an agent of metamorphism? What are the heat sources available for the
  creation of metamorphic rocks? What will be an ideal response?



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Madisongo23

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Reply #1 on: Jul 15, 2018
Answer to Question 1

Heat for metamorphism comes from intrusive magmas, extrusive lava flows, or deep burial. Pressure is
either lithostatic (uniformly applied stress) or differential (stress unequally applied from different
directions). Fluids trapped in sedimentary rocks or emanating from intruding magmas can enhance
chemical changes and the formation of new minerals.



Answer to Question 2

Heat increases the rate of chemical reactions that may produce minerals different from those in the
original rock. Heat may come from lava, magma or from earths internal heat as a result of deep burial
at a subduction zone.



robinn137

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Reply 2 on: Jul 15, 2018
Excellent

flexer1n1

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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