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Author Question: ________ has a large percentage of voids and is lightweight, so therefore has the ability to float ... (Read 41 times)

jwb375

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on: Jul 16, 2018
________ has a large percentage of voids and is lightweight, so therefore has the ability to float in water.
 
  A) Basalt
  B) Pegmatite
  C) Pumice
  D) Scoria

Question 2

Which of the following best describes a pegmatitic texture?
 
  A) Large crystals that form in a fluid-rich environment late in crystallization
  B) Porous texture resulting from escaping volatiles
  C) Fine-grained texture composed of microscopic crystals
  D) Several large crystals surrounded by a fine-grained matrix


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shayla

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

Answer: C

Answer to Question 2

Answer: A


jwb375

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Reply 2 on: Jul 16, 2018
Excellent

mammy1697

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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