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Author Question: What is the geothermal gradient? Describe how the geothermal gradient compares with the melting ... (Read 78 times)

magmichele12

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on: Jul 14, 2018
What is the geothermal gradient? Describe how the geothermal gradient compares with the melting temperatures of the mantle rock peridotite at various depths.
 
  What will be an ideal response?

Question 2

G. Hadley's ideas about atmospheric circulations were concerned with the:
 
  A) microscale. B) synoptic scale. C) macroscale. D) mesoscale.


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princessflame2016

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Reply #1 on: Jul 14, 2018
Answer to Question 1

The geothermal gradient is an increase in temperature with depth, which varies from place to place, averaging about 25C per kilometer in the upper crust. A typical geothermal gradient is compared to the melting point curve for the mantle rock peridotite; the temperature at which peridotite melts is higher than the geothermal gradient. Thus, under normal conditions, the mantle is solid.

Answer to Question 2

C


magmichele12

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Reply 2 on: Jul 14, 2018
:D TYSM

amcvicar

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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