carbonisotopicevolutionofthelateediacarangaojiashanbiotaonthenorthernyangtzeplatformsouthchina

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	carbonisotopicevolutionofthelateediacarangaojiashanbiotaonthenorthernyangtzeplatformsouthchina
	Guo Qingjun1 ; Deng Yinan 1; Yang Xinglian 2
	2012
Source Publication	actageologicasinica
ISSN	1000-9515
Volume	086 Issue:006 Pages:1447
Abstract	Metazoan fossils in the Gaojiashan Biota are famous for being well preserved and may provide new insights into the early evolution and skeletonization of Metazoans. We are studying the isotopic compositions of organic and carbonate carbon from a sequence of sedimentary rocks at the Gaojiashan section, northern Yangtze Platform, Shaanxi Province of China. Organic carbon isotope values display a range between -30.8%0 and -24.7%0 with clear stratigraphic variations. Carbonate carbon isotope data vary between 0.1%o and ＋6%0. Positive j13C values from sediments with Gaojiashan biota reflect temporal variations in carbon turnover, i.e. an increasing in photosynthetic carbon fixation followed by an increasing subsequent fractional organic carbon burial, and that related to bio- radiation such as increasing algae, bacteria, and original creatures productivity in biomass. These secular variations are interpreted to reflect perturbations of the regional carbon cycle, specifically changes in the fractional burial of organic carbon, and discuss the relationship between Gaojiashan biota and paleoenvrionmental variation.
Language	英语
Document Type	期刊论文
Identifier	http://ir.igsnrr.ac.cn/handle/311030/80650
Collection	中国科学院地理科学与资源研究所
Affiliation	1.中国科学院地理科学与资源研究所 2.贵州大学
First Author Affilication	中国科学院地理科学与资源研究所
Recommended Citation GB/T 7714	Guo Qingjun,Deng Yinan,Yang Xinglian. carbonisotopicevolutionofthelateediacarangaojiashanbiotaonthenorthernyangtzeplatformsouthchina[J]. actageologicasinica,2012,086(006):1447.
APA	Guo Qingjun,Deng Yinan,&Yang Xinglian.(2012).carbonisotopicevolutionofthelateediacarangaojiashanbiotaonthenorthernyangtzeplatformsouthchina.actageologicasinica,086(006),1447.
MLA	Guo Qingjun,et al."carbonisotopicevolutionofthelateediacarangaojiashanbiotaonthenorthernyangtzeplatformsouthchina".actageologicasinica 086.006(2012):1447.

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