metamorphic rock(redirected from natural cleft finish)
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Sedimentary or igneous rock altered by great heat or pressure, e.g. limestone changed to marble.
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|Noun||1.||metamorphic rock - rock altered by pressure and heat |
amphibolite - a metamorphic rock composed chiefly of amphibole and plagioclase
rock, stone - material consisting of the aggregate of minerals like those making up the Earth's crust; "that mountain is solid rock"; "stone is abundant in New England and there are many quarries"
gneiss - a laminated metamorphic rock similar to granite
schist - any metamorphic rock that can be split into thin layers