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Volume 13 Issue 2
Jun 2002
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Liqiang Lu, Jinnan Tong. Alkane Biomarkers in Permian-Triassic Boundary Strata at Meishan Section, Changxing, Zhejiang Province. Journal of Earth Science, 2002, 13(2): 177-181.
Citation: Liqiang Lu, Jinnan Tong. Alkane Biomarkers in Permian-Triassic Boundary Strata at Meishan Section, Changxing, Zhejiang Province. Journal of Earth Science, 2002, 13(2): 177-181.

Alkane Biomarkers in Permian-Triassic Boundary Strata at Meishan Section, Changxing, Zhejiang Province

Funds:

National Natural Science Foundation of China 40072011

Ministry of Science and Technology 2001DEA20020

Laboratory of Earth Surface System, Hubei Province 

  • Received Date: 07 Jan 2002
  • Accepted Date: 03 Mar 2002
  • Meishan Section D in Changxing County, Zhejiang Province, China has been selected as the global stratotype of the Permian Triassic boundary and various studies have been done at the boundary, but the gas chromatographic mass spectrographic analysis of alkane biomarkers has not been investigated. This paper presents the results of a study of the biomarkers analyzed in a series of samples across the Permian Triassic boundary at both Meishan Section A and Section D. The results show that the overall concentration of alkane biomarkers in the Permian Triassic boundary strata is high in Bed 26 while it is low in Bed 27. A variety of biomarker parameters demonstrate that the main sources of organic matter in the sediment are algae and bacteria and that the depositional environment varied from weakly oxidizing to reducing during the studied interval.

     

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    Yang Z, Wu S, Yin H, et al, 1991. Permo-Triassic Events of South China. Beijing: Geological Publishing House
    Yin H, Tong J, 1995. Relationship between Sequence Stratigraphical Boundary and Chronostratigraphical Boundary. Chinese Science Bulletin, 40 (16) : 1357-1362
    Yin H, Wu S, Ding M, et al, 1996. The Meishan Section, Candidate of the Global Stratotype Section and Point of Permian-Triassic Boundary. In: Yin H, ed. The Paleozoic-Mesozoic Boundary Candidates of Global Stratotype Section and Point of the Permian-Triassic Boundary. Wuhan: China University of Geosciences Press. 31-45
    Yin H, Zhang K, Tong J, et al, 2001. The Global Stratotype Section and Point (GSSP) of the Permian-Triassic Boundary. Episodes, 24 (2) : 102-114 doi: 10.18814/epiiugs/2001/v24i2/004
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