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Author Question: How can you tell apart volcanic and plutonic rocks? A) Look at their fracturing properties. B) ... (Read 29 times)

Sufayan.ah

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How can you tell apart volcanic and plutonic rocks?
 
  A) Look at their fracturing properties.
  B) Volcanic rocks are fine grained; plutonic rocks are coarse grained.
  C) Volcanic rocks are colder than plutonic rocks.
  D) Volcanic rocks are older than plutonic rocks.

Question 2

A geologist looks at a piece of rock from Yosemite National Park under a microscope and sees tiny crystals of olivine, pyroxene, and plagioclase feldspar. What process might have formed this rock?
 
  A) melting underground, violent volcanic eruption, and solidification above ground
  B) melting underground, flowing to Earth's surface, and solidification above ground
  C) solidification underground, violent volcanic eruption of ash and solid rock
  D) both melting and crystallization underground



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nyrave

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Answer to Question 1

Answer: B

Answer to Question 2

Answer: B




Sufayan.ah

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Reply 2 on: Jul 16, 2018
:D TYSM


scikid

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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