OCCURRENCE OF NATURAL FULLERENES IN LOW GRADE METAMORPHOSED PROTEROZOIC SHUNGITE FROM KARELIA, RUSSIA

dc.contributor.author	Parthasarathy G.
dc.contributor.author	Srinivasan R.
dc.contributor.author	Vairamani M.
dc.contributor.author	Ravikumar K.
dc.contributor.author	Kunwar A.C.
dc.date.accessioned	2020-12-31T08:37:12Z
dc.date.available	2020-12-31T08:37:12Z
dc.date.issued	1998
dc.identifier	https://elibrary.ru/item.asp?id=13829414
dc.identifier.citation	Geochimica et Cosmochimica Acta, 1998, , 21, 3541-3544
dc.identifier.issn	0016-7037
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/21924
dc.description.abstract	We report on the occurrence of fullerenes in Proterozoic shungite (∼2 Ga) from the shungite mine, Kondopoga, Karelia, Russia (62.12°N 34.17°E). The presence of fullerenes has been confirmed by mass spectrometry, with peaks at 360 and 720 amu (atomic mass unit), powder X-ray diffraction showing ten diffraction peaks corresponding to the fullerite structure with a = 1.4201(5) nm, and 13C nuclear magnetic resonance (NMR) spectroscopic studies, showing a peak at 143.2 ppm. In the Kondopoga shungite mine, fullerenes occur in silty shales that have experienced greenshist facies metamorphism.
dc.subject	Proterozoic	en
dc.title	OCCURRENCE OF NATURAL FULLERENES IN LOW GRADE METAMORPHOSED PROTEROZOIC SHUNGITE FROM KARELIA, RUSSIA
dc.type	Статья
dc.subject.age	Precambrian::Proterozoic	en
dc.subject.age	Докембрий::Протерозой	ru

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