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Author Question: Which is older - rock unit M or R? What will be an ideal ... (Read 21 times)

Capo

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on: Jul 16, 2018
Which is older - rock unit M or R?
 
  What will be an ideal response?

Question 2

Is there an unconformity between Q and M? How can you tell?
 
  What will be an ideal response?


gasdhashg

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

R by superposition

Answer to Question 2

Yes, you can tell because the top of Z is eroded off (should have contact metamorphism on it since it was a dike, but it either reached the surface, or it was eroded)


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