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Author Question: Which is older - rock unit J or H? What will be an ideal ... (Read 34 times)

sarasara

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

Question 2

Which is younger - rock units F, Z, or A?
 
  What will be an ideal response?


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aadams68

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

H, as J sits on top (superposition)

Answer to Question 2

A, because it reaches the top, cross-cutting younger layers


sarasara

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

mcarey591

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Reply 3 on: Yesterday
Excellent

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