ISOTOPE COMPOSITION AND ORIGIN OF WATER IN ANDESITE MAGMA

dc.contributor.author	Taran Y.A.
dc.contributor.author	Pokrovskiy B.G.
dc.contributor.author	Dubik Y.M.
dc.date.accessioned	2020-10-09T08:58:15Z
dc.date.available	2020-10-09T08:58:15Z
dc.date.issued	1989
dc.identifier	https://elibrary.ru/item.asp?id=31147007
dc.identifier.citation	Transactions (Doklady) of the USSR Academy of Sciences. Earth Science Sections, 1989, , 1, 199-202
dc.identifier.issn	0891-5571
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/17878
dc.description.abstract	Isotope data should help to clarify the problem of the origin of water participating in hydrothermal activity. Thus, isotope data suggest that water participating in calcalkalic magma generation is of crustal (oceanic) origin. Its likely source was the products of hydrothermal activity at depth or the sedimentary rocks that are now found as amphibolite schist blocks in andesite lavas. The amount of foreign material added apparently did not exceed 5 to 10 percent, as hardly affected the oxygen-isotope composition, although it could have markedly altered its petrochemical aspect.
dc.title	ISOTOPE COMPOSITION AND ORIGIN OF WATER IN ANDESITE MAGMA
dc.type	Статья

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