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Igneous rock

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Igneous rock (derived from the Latin word ignis meaning fire), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rocks are formed through the cooling and solidification of magma or lava.

Igneous rock - Wikipedia Jump to content From Wikipedia, the free encyclopedia Rock formed through the cooling and solidification of magma or lava Geologic provinces of the world ( USGS ) Shield Platform Orogen Basin Large igneous province Extended crust Oceanic crust : 0–20 Ma 20–65 Ma >65 Ma Igneous rock ( igneous from Latin igneus ' fiery ' ), or magmatic rock , is one of the three main rock types , the others being sedimentary and metamorphic . Igneous rocks are formed through the cooling and solidification of magma or lava . The magma can be derived from partial melts of existing rocks in

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