Metamorphic rock

Noun

Word Frequency: 0.2

Definitions

1.Nounone of the major groups of rock that makes up the crust of the Earth; consists of pre-existing rock mass in which new minerals or textures are formed at higher temperatures and greater pressures than those present on the Earth's surface.

Synonyms

metamorphic sedimentary rock igneous rock rock contact metamorphism tectonite metasomatite metasediment regional metamorphism skarn protolith recrystallization

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