中国原生金刚石的碳同位素组成及其来源

张宏福; 路凤香; 赵磊; M.A.Menzies; D.P.Mattey; 梁尚莹

Volume 34 Issue 1

Jan. 2009

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Article Navigation > Earth Science > 2009 > 34(1): 37-42

ZHANG Hong-fu, LU Feng-xiang, ZHAO Lei, M.A. Menzies, D.P. Mattey, LIANG Shang-ying, 2009. Carbon Isotopes in China Natural Diamonds. Earth Science, 34(1): 37-42.

Citation:

ZHANG Hong-fu, LU Feng-xiang, ZHAO Lei, M.A. Menzies, D.P. Mattey, LIANG Shang-ying, 2009. Carbon Isotopes in China Natural Diamonds. Earth Science, 34(1): 37-42.

ZHANG Hong-fu, LU Feng-xiang, ZHAO Lei, M.A. Menzies, D.P. Mattey, LIANG Shang-ying, 2009. Carbon Isotopes in China Natural Diamonds. Earth Science, 34(1): 37-42.

Citation:

ZHANG Hong-fu, LU Feng-xiang, ZHAO Lei, M.A. Menzies, D.P. Mattey, LIANG Shang-ying, 2009. Carbon Isotopes in China Natural Diamonds. Earth Science, 34(1): 37-42.

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Carbon Isotopes in China Natural Diamonds

1.
S tate K ey Labor atory o f Lithosp her ic E vo lution, Institute o f Geolog y an d Geoph ysics, Chinese Academy o f S ciences, Beijin g 100029, China
2.
Department of Geology, Royal Holloway University of London, Egham, Su rrey T W20 OEX, UK
3.
Depar tmen t o f Petr olog y an d Miner alog y, Ch ina University o f Geosciences, Beij ing 100083, Ch ina
4.
Department of Geology and Geography, Lehman College, City University of New York 10468, USA

Received Date: 2008-10-11
Publish Date: 2009-01-25

Abstract

Abstract

China' s two major natural diamond-producing mines-Shandong Mengyin and Liaoning Fuxian produce a large quantity of high-quality diamonds. EA-IRMS (Isotope Ratio Mass Spectrometry connected with Elemental Analyzer) analyses reveal that these single-crystal diamonds ubiquitously bear carbon isotope zonation. And in both localities, the carbon isotope zonation is more apparent in solid inclusion-bearing diamonds than in non-inclusion diamonds. Carbon isotope nature in Chinese diamonds also demonstrates that these diamonds-forming carbons were derived from mantle, with no equivocal evidence for the involvement of crust carbons derived from the recycling of the surface sediments.
- China,
- natural diamond,
- Carbon isotope,
- EA-IRMS

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References(27)

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