metasomatize

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• Mantle plume — A superplume generated by cooling processes in the mantle.[1] A mantle plume is a hypothetical thermal diapir of abnormally hot rock that nucleates at the core mantle boundary and rises through the Earth s mantle. Such plumes were invoked in 1971 …   Wikipedia

• metasomatism — [ˌmɛtə səʊmətɪz(ə)m] noun Geology change in the chemical composition of a rock. Derivatives metasomatic adjective metasomatize or metasomatise verb Origin C19: from meta + Gk sōma, somat body + ism …   English new terms dictionary