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metamorphic rock
metamorphic rockSedimentary or igneous rock altered by great heat or pressure, e.g. limestone changed to marble.Thesaurus| Noun | 1. |  metamorphic rock - rock altered by pressure and heat amphibolite - a metamorphic rock composed chiefly of amphibole and plagioclaserock, 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"marlite, marlstone - metamorphic rock with approximately the same composition as marlhornfels, hornstone - a fine-grained metamorphic rock formed by the action of heat on clay rocksgneiss - a laminated metamorphic rock similar to graniteschist - any metamorphic rock that can be split into thin layers |
metamorphic rock
metamorphic rock[¦med·ə¦mȯr·fik ′räk] (petrology) A rock formed from preexisting solid rocks by mineralogical, structural, and chemical changes, in response to extreme changes in temperature, pressure, and shearing stress. metamorphic rockRock which has been altered in appearance, density, and crystalline structure (and in some cases mineral composition) by high temperature and/or high pressure; e.g., slate is a metamorphic rock derived from shale.metamorphic rock
Words related to metamorphic rocknoun rock altered by pressure and heatRelated Words- amphibolite
- rock
- stone
- marlite
- marlstone
- hornfels
- hornstone
- gneiss
- schist
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