Geography

Distinguish between Volcanic rocks and plutonic rocks.

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S. No.	Volcanic rocks	Plutonic rocks
1.	They are also called extrusive rocks.	They are also called intrusive rocks.
2.	They are formed when magma solidifies on the surface of earth.	They are formed when magma solidifies within the earth's crust.
3.	They are smooth, crystalline and fine grained.	They are coarse textured, hard rocks with large crystals.
4.	For example- basalt	For example- granite

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