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Author Question: Why is diorite considered a coarse-grained intermediate rock? A) It contains a medium amount of ... (Read 90 times)

olgavictoria

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on: Jul 16, 2018
Why is diorite considered a coarse-grained intermediate rock?
 
  A) It contains a medium amount of silica.
  B) It contains a lot of silica.
  C) It contains very little silica.
  D) It is made up of the elements in the middle of the periodic table.

Question 2

Why is tonalite considered a coarse-grained felsic rock?
 
  A) It contains very little silica.
  B) It contains a lot of silica and feldspar.
  C) It contains a lot of silica and magnesium.
  D) It contains a lot of iron and magnesium.


bobsmith

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

Answer: A

Answer to Question 2

Answer: B


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