Which is older - rock unit M or R? What will be an ideal ...

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

Capo

Hero Member
Posts: 545

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

Sr. Member
Posts: 335

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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