pneumatolyticadj.
/ˌnjuːmətəˈlɪtɪk/, /njuːˌmatə(ʊ)ˈlɪtɪk/, /njᵿˌmatə(ʊ)ˈlɪtɪk/, U.S. /ˈˌn(j)umədəˈlɪdɪk/ Geology.
Involving or formed by pneumatolysis.
ΘΚΠ
the world > the earth > minerals > change processes > [adjective] > pneumatolytic
pneumatolytic1895
the world > the earth > structure of the earth > formation of features > metamorphism > [adjective] > pneumatolysis
pneumatolytic1895
1895 Science 11 Jan. 61/2 Interstitial micropegmatite is primary or pneumatolytic.
1923 Proc. Amer. Philos. Soc. 62 103 The limestone, where not impregnated with obviously pneumatolytic minerals, is a dense, crystalline marble.
1963 D. W. Humphries & E. E. Humphries tr. H. Termier & G. Termier Erosion & Sedimentation vi. 134 The minerals of rocks can be altered without exposure at the surface by pneumatolytic or hydrothermal action.
1998 Mining Jrnl. (Nexis) 27 Feb. (Advert. Suppl.) 4 Major types [of mineralisation] so far identified include orthomagmatic, pegmatitic, pneumatolytic, contact-pyrometasomatic, hydrothermal and volcanogenic.
Derivatives
ˌpneumatoˈlytically adv. by or as a result of pneumatolysis.
ΘΚΠ
the world > the earth > minerals > change processes > [adverb] > pneumatolytic
pneumatolytically1950
1950 Mining & Geol. Jrnl. 4 22/2 A relatively coarse-grained, pneumatolytically altered granite.
2004 Geochimica et Cosmochimica Acta 68 1915 The other major elements necessary to grow augite pneumatolytically, such as Ca, Ti, Al and Si, could have been mobilized from preexisting phases.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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adj.1895