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What rocks are extrusive?

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Anonymous

9y ago
Updated: 4/16/2022

Extrusive igneous rocks are formed by magma. The magma is crystallized after being pushed to the surface of the Earth. They usually are very fine grained. A really common extrusive rock would be Basalt.

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Jaunita Hand

Lvl 13
3y ago

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How extrusive rocks form?

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