Extrusive igneous rocks are coarse grained,and intrusive igneous rocks are fine grained.

Name: Extrusive igneous rocks are coarse grained,and intrusive igneous rocks are fine grained.
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Extrusive igneous rocks, such as basalt, are typically fine-grained due to their quick cooling on the Earth's surface. Intrusive igneous rocks, such as granite, are typically coarse-grained due to their slow cooling and crystal growth deep beneath the Earth's surface.

Extrusive Igneous Rocks Are Coarse Grained,and Intrusive Igneous Rocks Are