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Author Question: During what geological period was the sandstone deposited? What will be an ideal ... (Read 25 times)

mmm

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on: Jul 16, 2018
During what geological period was the sandstone deposited?
 
  What will be an ideal response?

Question 2

Which principle(s) would you use to determine the relative ages of an intrusive igneous rock, such as a dike, and the rock adjacent to the dike? Why?
 
  What will be an ideal response?


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jaymee143

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

Jurassic, because the sandstone contains a Jurassic fossil.

Answer to Question 2

Principle of cross-cutting relationships and possibly the principle of inclusions


mmm

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Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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