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Author Question: Which is oldest - rock unit L, N, or S? What will be an ideal ... (Read 63 times)

SAVANNAHHOOPER23

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on: Jul 16, 2018
Which is oldest - rock unit L, N, or S?
 
  What will be an ideal response?

Question 2

Calculate the geothermal gradient depicted by the graph in Figure 6.3.
 
  What will be an ideal response?


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Ddddd

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

L by superposition (N is a lava flow, note contact metamorphism below the flow)

Answer to Question 2

The geothermal gradient is the increase in temperature with increasing depth. The geothermal gradient in Figure 6.3 is 20 degrees C per km.


SAVANNAHHOOPER23

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Reply 2 on: Jul 16, 2018
YES! Correct, THANKS for helping me on my review

blakcmamba

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Reply 3 on: Yesterday
Excellent

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