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A body of igneous rock formed beneath the surface of the earth by consolidation of magma.
[German, back-formation from plutonisch, plutonic, from Latin Plūtō, Plūtōn-, Pluto; see Pluto.]
(Geological Science) any mass of igneous rock that has solidified below the surface of the earth
[C20: back formation from plutonic]
a body of igneous rock that has solidified far below the earth's surface.
[1935–40; < German Pluton, back formation from plutonisch plutonic]
A large body of igneous rock formed when a plume of magma cools underground. Although most plutons are deep within the Earth's crust, some become exposed at the surface due to plate-tectonic processes.
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|Noun||1.||pluton - large mass of intrusive igneous rock believed to have solidified deep within the earth|
granite - plutonic igneous rock having visibly crystalline texture; generally composed of feldspar and mica and quartz
igneous rock - rock formed by the solidification of molten magma