IDENTIFICATION OF SULFATE IN NATURAL CARBONATES BY X-RAY ABSORPTION SPECTROSCOPY

dc.contributor.author	Pingitore N.E.
dc.contributor.author	Meitzner G.
dc.contributor.author	Love K.M.
dc.date.accessioned	2020-11-27T03:54:35Z
dc.date.available	2020-11-27T03:54:35Z
dc.date.issued	1995
dc.identifier	https://elibrary.ru/item.asp?id=818341
dc.identifier.citation	Geochimica et Cosmochimica Acta, 1995, , 12, 2477-2483
dc.identifier.issn	0016-7037
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/19711
dc.description.abstract	We have analyzed sulfur K-edge X-ray absorption near-edge structures (XANES) and demonstrated, with a high degree of certainty, that sulfur is present in a variety of biogenic and diagenetic carbonates as sulfate. The sulfate is clearly not in the form of gypsum or anhydrite inclusions, and there is good evidence that the sulfate substitutes for carbonate. This finding validates systematic investigations of sulfate distribution in modern and ancient carbonate minerals. Further, it documents that carbonate sedimentation is a sink for marine sulfate, accounting for perhaps 15% of the annual sulfur sedimentary depositional flux.
dc.title	IDENTIFICATION OF SULFATE IN NATURAL CARBONATES BY X-RAY ABSORPTION SPECTROSCOPY
dc.type	Статья

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