Abundances and isotopic compositions of rhenium and osmium in pyrite samples from the Huaibei coalfield, Anhui, China

Liu, G.; Chou, C. -L.; Peng, Z.; Yang, G.

Abstract:

Two pyrite samples from the Shihezi Formation (Lower Permian), Huaibei coalfield, Anhui, China, have been analyzed for abundances and isotopic compositions of rhenium and osmium using negative thermal ion mass spectrometry. The Re-Os ages of the pyrites are 64.4 and 226 Ma, which are younger than the formation age of the coal seam. The pyrite samples may consist of pyrite formed at various stages during the history of coal formation. The ??Osvalues of the two pyrite samples are +17 and +18, respectively. Such high ??Osvalues are reported for the first time for recycles crustal materials from a sedimentary basin. ?? Springer-Verlag 2007.

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Article

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70032094

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Liu, G.; Chou, C. -L.; Peng, Z.; Yang, G.

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621

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English

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International Journal of Earth Sciences

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Abundances and isotopic compositions of rhenium and osmium in pyrite samples from the Huaibei coalfield, Anhui, China; 2008; Article; Journal; International Journal of Earth Sciences; Liu, G.; Chou, C. -L.; Peng, Z.; Yang, G.