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2015-08-23T15:08:57+05:30
Igneous rocks are formed by the solidification of molten lava that came on the surface of earth due to volcanic erruption.
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2015-08-23T15:14:30+05:30
When the magma cools down and solidifies on the surface of the earth by volcanic eruption or inside the earth due to less temperature, igneous rocks are formed.

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