Relationships between carbon isotope evolution and variation of microbes during the Permian–Triassic transition at Meishan Section, South China
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作者:
Genming Luo
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机构:China University of Geosciences,Key Laboratory of Biogeology and Environmental Geology of Ministry of Education
Genming Luo
Junhuang Huang
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机构:China University of Geosciences,Key Laboratory of Biogeology and Environmental Geology of Ministry of Education
Junhuang Huang
Shucheng Xie
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机构:China University of Geosciences,Key Laboratory of Biogeology and Environmental Geology of Ministry of Education
Shucheng Xie
Paul B. Wignall
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机构:China University of Geosciences,Key Laboratory of Biogeology and Environmental Geology of Ministry of Education
Paul B. Wignall
Xinyan Tang
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机构:China University of Geosciences,Key Laboratory of Biogeology and Environmental Geology of Ministry of Education
Xinyan Tang
Xianyu Huang
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机构:China University of Geosciences,Key Laboratory of Biogeology and Environmental Geology of Ministry of Education
Xianyu Huang
Hongfu Yin
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机构:China University of Geosciences,Key Laboratory of Biogeology and Environmental Geology of Ministry of Education
Hongfu Yin
机构:
[1] China University of Geosciences,Key Laboratory of Biogeology and Environmental Geology of Ministry of Education
[2] China University of Geosciences,State Key Laboratory of Geological Processes and Mineral Resources
[3] University of Leeds,School of Earth and Environment
来源:
International Journal of Earth Sciences
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2010年
/
99卷
关键词:
Mass extinction;
Global carbon cycle;
Organism evolution;
Δ;
C;
Permian/Triassic;
South China;
D O I:
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中图分类号:
学科分类号:
摘要:
This paper investigates kerogen carbon isotopes, the difference between carbonate and kerogen carbon isotopes (Δ13Ccarb-kero = δ13Ccarb − δ13Ckero) and the difference between carbonate and n-C19 alkane compound-specific carbon isotopes (Δ13Ccarb-n-C19 = δ13Ccarb − δ13Cn-C19) during the Permian–Triassic transition at Meishan, South China. The results show that kerogen carbon isotopes underwent both gradual and sharp shifts in beds 23–25 and 26–29, respectively. The differences between carbonate and organic carbon isotopes, both the Δ13Ccarb-kero and Δ13Ccarb-n-C19, which are mainly affected by CO2-fixing enzyme and pCO2, oscillated frequently during the Permian–Triassic transition. Both the variations of Δ13Ccarb-n-C19 and Δ13Ccarb-kero coupled with the alternation between cyanobacteria and green sulfur bacteria indicated by biomarkers. The episodic low values of Δ13Ccarb-n-C19 corresponded to episodic blooms of green sulfur bacteria, while the episodic high values of Δ13Ccarb-n-C19 corresponded to episodic blooms of cyanobacteria. The relationships between the variation of carbon isotopes and biota show that the microbes which flourished after the extinction of macroorganism affected the carbon isotope fractionation greatly. Combining the carbon isotope compositions and the pattern of size variation of the conodont Neogondolella, this paper supposes that anoxia of the photic zone at bed 24 was episodic and it would be caused by the degradation of terrigenous organic matters by sulfate reducing bacteria in the upper water column. Considered together with results from previous research, the high resolution variation of the biogeochemistry presents the sequence of the important geo-events during the Permian–Triassic crisis.
LI Yucheng LIU Wenhui WANG Wanchun and ZHENG Jianjing Laboratory of Environmental Biogeochemistry School of Resources and Environmental Engeneering Anhui University Hefei China Wuxi Institute of Petroleum Geology SINOPEC Wuxi China Key Laboratory of Petroleum Resources Research Institute of Geology and Geophysics Chinese Academy of Sciences Lanzhou China
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LI Yucheng LIU Wenhui WANG Wanchun and ZHENG Jianjing Laboratory of Environmental Biogeochemistry School of Resources and Environmental Engeneering Anhui University Hefei China Wuxi Institute of Petroleum Geology SINOPEC Wuxi China Key Laboratory of Petroleum Resources Research Institute of Geology and Geophysics Chinese Academy of Sciences Lanzhou China
机构:
China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
Jiao, Yu
Zhou, Lian
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China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
Zhou, Lian
Algeo, Thomas J.
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China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
Univ Cincinnati, Dept Geol, Cincinnati, OH 45221 USA
China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
Algeo, Thomas J.
Shen, Jun
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China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
Shen, Jun
Feng, Lanping
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China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
Feng, Lanping
Hu, Yating
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China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
Hu, Yating
Liu, Jinhua
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China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
Liu, Jinhua
Chi, Liwei
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Petrochina Coalbed Methane Co Ltd, Beijing 100028, Peoples R ChinaChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
Chi, Liwei
Shi, Minghui
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China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
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China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R China
Univ Cincinnati, Dept Geol, Cincinnati, OH 45221 USAChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R China
Shen, Jun
Lei, Yong
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China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R China
Univ Lille, CNRS, UMR Geosyst 8217, F-59655 Villeneuve Dascq, FranceChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R China
Lei, Yong
Algeo, Thomas J.
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China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R China
Univ Cincinnati, Dept Geol, Cincinnati, OH 45221 USAChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R China
Algeo, Thomas J.
Feng, Qinglai
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China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R ChinaChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R China
Feng, Qinglai
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Servais, Thomas
Yu, Jianxin
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China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Hubei, Peoples R ChinaChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R China
Yu, Jianxin
Zhou, Lian
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China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R ChinaChina Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R China
机构:
State Key Laboratory of Biogeology and Environmental Geology,China University of GeosciencesState Key Laboratory of Biogeology and Environmental Geology,China University of Geosciences
童金南
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熊炎林
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田力
殷鸿福
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State Key Laboratory of Biogeology and Environmental Geology,China University of GeosciencesState Key Laboratory of Biogeology and Environmental Geology,China University of Geosciences
机构:
Jiujiang Univ, Tourism Coll, Jiujiang 332005, Peoples R China
China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China
Sun, Dongying
Tong, Jinnan
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China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China
Tong, Jinnan
Xiong, Yanlin
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China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China
Xiong, Yanlin
Tian, Li
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China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China
Tian, Li
Yin, Hongfu
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China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R ChinaChina Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China
机构:
State Key Laboratory of Biogeology and Environmental Geology,China University of GeosciencesState Key Laboratory of Biogeology and Environmental Geology,China University of Geosciences
童金南
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熊炎林
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田力
殷鸿福
论文数: 0引用数: 0
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State Key Laboratory of Biogeology and Environmental Geology,China University of GeosciencesState Key Laboratory of Biogeology and Environmental Geology,China University of Geosciences