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Author Question: Which of these textures help geologists determine if a rock is volcanic in origin? A) Pegmatitic ... (Read 74 times)

Shelles

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on: Jul 16, 2018
Which of these textures help geologists determine if a rock is volcanic in origin?
 
  A) Pegmatitic
  B) Aphanitic
  C) Porphyritic
  D) Phaneritic

Question 2

Which igneous texture has visible crystals that are a few millimeters across?
 
  A) Phaneritic
  B) Aphanitic
  C) Pegmatitic
  D) Porphyritic


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tkempin

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

Answer: B

Answer to Question 2

Answer: A


Shelles

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Reply 2 on: Jul 16, 2018
Gracias!

Mochi

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Reply 3 on: Yesterday
Wow, this really help

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