CHLORINE STABLE ISOTOPES IN CARBONATITES: EVIDENCE FOR ISOTOPIC HETEROGENEITY IN THE MANTLE

dc.contributor.author	Eggenkamp H.G.M.
dc.contributor.author	Koster van Groos A.F.
dc.date.accessioned	2020-12-12T05:11:25Z
dc.date.available	2020-12-12T05:11:25Z
dc.date.issued	1997
dc.identifier	https://elibrary.ru/item.asp?id=31690411
dc.identifier.citation	Chemical Geology, 1997, , 1, 137-143
dc.identifier.issn	0009-2541
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/20630
dc.description.abstract	Eight carbonatite samples were analysed for δ37Cl and for δ18O and δ13C. The results show that unaltered carbonatites have δ37Cl ratios between −0.8 and +0.1‰. Because the whole mantle δ37Cl value is approximately +4.7‰, chlorine for carbonatite is anomalously light. Although it is possible that the source regions for carbonatites represent isotopic anomalous mantle and may reflect contamination by a crustal component, our preferred explanation is that the processes resulting in the accumulation of carbonatite magma cause fractionation of chlorine isotopes.
dc.title	CHLORINE STABLE ISOTOPES IN CARBONATITES: EVIDENCE FOR ISOTOPIC HETEROGENEITY IN THE MANTLE
dc.type	Статья

Files in this item

Files	Size	Format	View
There are no files associated with this item.