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Describe the conditions that cause igneous rocks to form large grains or no visible grains.
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16 votes
Describe the conditions that cause igneous rocks to form large grains
or no visible grains.

User Hans Meyer
by
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1 Answer

10 votes

Answer:

Explanation: When magma cools slowly beneath Earth's surface, large grains are formed. When cooling happens SO quickly there are no visible grains.

User Logjammin
by
8.1k points
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