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Author Question: Why is dacite considered a fine-grained rock felsic rock? A) It contains very little silica. B) ... (Read 49 times)

HudsonKB16

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on: Jul 16, 2018
Why is dacite considered a fine-grained rock felsic rock?
 
  A) It contains very little silica.
  B) It contains a lot of silica and feldspar.
  C) It contains a lot of iron and magnesium.
  D) It contains an intermediate amount of silica.

Question 2

Why is peridote considered a coarse-grained ultramafic rock?
 
  A) It contains a lot of silica.
  B) It contains a lot of feldspar.
  C) It contains a medium amount of silica.
  D) It contains very little silica.


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yahahah24021

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

Answer: B

Answer to Question 2

Answer: D


HudsonKB16

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

kthug

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Reply 3 on: Yesterday
Wow, this really help

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