What are igneous intrusions and extrusions

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asked Jan 4, 2020 180k views

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What are igneous intrusions and extrusions

Physics
middle-school

Pastullo asked

by Pastullo

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Igneous intrusions form when magma cools and solidifies before it can reach the surface. An extrusion consists of extrusive rock; which forms above the surface of the crust.

NiVeR answered Jan 9, 2020

by NiVeR

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