pneumatolytic

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Related to pneumatolytic: pneumatolytic stage

pneu·ma·tol·y·sis

(no͞o′mə-tŏl′ĭ-sĭs, nyo͞o′-)

A process of rock alteration or mineral formation brought about by the action of gases emitted from solidifying magma.

pneu′ma·to·lyt′ic (-tə-lĭt′ĭk) adj.

pneumatolytic

(njuːˌmætəˈlɪtɪk)

adj

(Geological Science) geology resulting from pneumatolysis

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References in periodicals archive ?

Alteration refers to those changes which occur in the chemical or mineralogical composition of a rock brought about by permeating hydrothermal fluids or by pneumatolytic action.

Evaluation of granite weathering in the Jeronym Mine using non-destructive methods

This intrusion phase activated a high-temperature pneumatolytic to hydrothermal circulation of fluids that was concentrated along rock discontinuities, metasomatically altering the sedimentary rock into a skarn and depositing andradite in cavities.

Andradite form Antetezambato, North madagascar

In some ways, the current models resurrect the pneumatolytic hypotheses developed by metallogenists in the 1960s (e.