Pneumatolysis is an obsolete geologic term for magma emitting gasses that alter surrounding rock or crystallize minerals.
Pneumatolysis is now considered a type of
hydrothermal
Hydrothermal circulation in its most general sense is the circulation of hot water (Ancient Greek ὕδωρ, ''water'',Liddell, H.G. & Scott, R. (1940). ''A Greek-English Lexicon. revised and augmented throughout by Sir Henry Stuart Jones. with th ...
interaction.
See also
*
Metasomatism
Metasomatism (from the Greek μετά ''metá'' "change" and σῶμα ''sôma'' "body") is the chemical alteration of a rock by hydrothermal and other fluids. It is the replacement of one rock by another of different mineralogical and chemical co ...
References
Further reading
* Philip Lake and R. H. Rastall. ''A textbook of geology'' (1920). 3rd ed. Edward Arnold: London
pp. 251-255 describes pneumatolysis, especially in granites.
* ''McGraw-Hill Encyclopedia of the Geological Sciences.'' Second edition. New York: McGraw-Hill, 1987. p. 518
External links
*
Igneous petrology
Metamorphic petrology
Obsolete geology theories
Geological processes
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