Science

How is igneous rock made?


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Igneous rock is formed through the cooling and solidification of magma or lava. The magma can be derived from partial melts of existing rocks in either a planet's mantle or crust. Solidification into rock occurs either below the surface as intrusive rocks or on the surface as extrusive rocks.

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An igneous rock is formed from melted rocks. The word igneous comes from the same root as ignite, meaning to burn.

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