metasomatism

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noun

The process by which the bulk chemical composition of a rock is changed by the introduction of components from an external source, especially by a hydrothermal fluid.

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Meanings

nounmetasomatism (countable and uncountable, plural metasomatisms)

plural metasomatisms

  1. countableuncountablegeographyThe process by which the bulk chemical composition of a rock is changed by the introduction of components from an external source, especially by a hydrothermal fluid.
Cite this entry
APA

metasomatism. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/metasomatism

MLA

“metasomatism.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/metasomatism. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “metasomatism,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/metasomatism.

Source: metasomatism on Wiktionary, CC BY-SA 4.0.