Combined C isotope and geochemical evidence for a recycled origin for diamondiferous eclogite xenoliths from kimberlites of Yakutia

Z.V. Spetsius; D.F. Wiggers de Vries; G.R. Davies

doi:10.1016/j.lithos.2009.04.045

Combined C isotope and geochemical evidence for a recycled origin for diamondiferous eclogite xenoliths from kimberlites of Yakutia

Z.V. Spetsius
, D.F. Wiggers de Vries
, G.R. Davies

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

An integrated petrographic-geochemistry and stable isotope study of 15 diamondiferous eclogite xenoliths is presented from the Udachnaya pipe, Russia. Carbon isotope determinations were performed by combustion and SIMS while in situ mineral major and trace element concentrations were determined using LA-ICP-MS and microprobe. Carbon isotope compositions of diamonds range from - 13.7 to - 2.8‰. Although this range is less than that reported from all diamonds from kimberlites (- 38.5 to + 5.0‰), the large variation in a small sample suite establishes that the C sources in the eclogite parental rocks were extremely variable. The carbon isotope composition of diamonds from a single sample records little variation, with δ

Original language	English
Pages (from-to)	1032-1042
Journal	Lithos
Volume	112
Issue number	2
DOIs	https://doi.org/10.1016/j.lithos.2009.04.045
Publication status	Published - 2009

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10.1016/j.lithos.2009.04.045

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title = "Combined C isotope and geochemical evidence for a recycled origin for diamondiferous eclogite xenoliths from kimberlites of Yakutia",

abstract = "An integrated petrographic-geochemistry and stable isotope study of 15 diamondiferous eclogite xenoliths is presented from the Udachnaya pipe, Russia. Carbon isotope determinations were performed by combustion and SIMS while in situ mineral major and trace element concentrations were determined using LA-ICP-MS and microprobe. Carbon isotope compositions of diamonds range from - 13.7 to - 2.8‰. Although this range is less than that reported from all diamonds from kimberlites (- 38.5 to + 5.0‰), the large variation in a small sample suite establishes that the C sources in the eclogite parental rocks were extremely variable. The carbon isotope composition of diamonds from a single sample records little variation, with δ",

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doi = "10.1016/j.lithos.2009.04.045",

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T1 - Combined C isotope and geochemical evidence for a recycled origin for diamondiferous eclogite xenoliths from kimberlites of Yakutia

AU - Spetsius, Z.V.

AU - Wiggers de Vries, D.F.

AU - Davies, G.R.

PY - 2009

Y1 - 2009

N2 - An integrated petrographic-geochemistry and stable isotope study of 15 diamondiferous eclogite xenoliths is presented from the Udachnaya pipe, Russia. Carbon isotope determinations were performed by combustion and SIMS while in situ mineral major and trace element concentrations were determined using LA-ICP-MS and microprobe. Carbon isotope compositions of diamonds range from - 13.7 to - 2.8‰. Although this range is less than that reported from all diamonds from kimberlites (- 38.5 to + 5.0‰), the large variation in a small sample suite establishes that the C sources in the eclogite parental rocks were extremely variable. The carbon isotope composition of diamonds from a single sample records little variation, with δ

AB - An integrated petrographic-geochemistry and stable isotope study of 15 diamondiferous eclogite xenoliths is presented from the Udachnaya pipe, Russia. Carbon isotope determinations were performed by combustion and SIMS while in situ mineral major and trace element concentrations were determined using LA-ICP-MS and microprobe. Carbon isotope compositions of diamonds range from - 13.7 to - 2.8‰. Although this range is less than that reported from all diamonds from kimberlites (- 38.5 to + 5.0‰), the large variation in a small sample suite establishes that the C sources in the eclogite parental rocks were extremely variable. The carbon isotope composition of diamonds from a single sample records little variation, with δ

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DO - 10.1016/j.lithos.2009.04.045

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JF - Lithos

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Combined C isotope and geochemical evidence for a recycled origin for diamondiferous eclogite xenoliths from kimberlites of Yakutia

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