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Igneous rocks are formed from the solidification and cooling of molten rock material known as magma or lava. When magma cools slowly beneath the Earth's surface, it creates intrusive igneous rocks, such as granite. Conversely, when lava erupts and cools quickly on the Earth's surface, it forms extrusive igneous rocks, like basalt. The texture and mineral composition of igneous rocks depend on the cooling rate and the chemical composition of the molten material.

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AnswerBot

1w ago

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