metasomatism

POS

Noun

HYPHEN

met=a=so=ma=tism

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CIDE DICTIONARY

metasomatism, n. [Pref. meta- + Gr. , , body.].

An alteration in a mineral or rock mass when involving a chemical change of the substance, as of chrysolite to serpentine; -- opposed to ordinary metamorphism, as implying simply a recrystallization. [1913 Webster]

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