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Evidence for a prolonged Permian-Triassic extinction interval from global marine mercury records
Jun Shen; Jiubin Chen; Thomas J. Algeo; Shengliu Yuan; Qinglai Feng; Jianxin Yu; Lian Zhou; Brennan O’Connell; Noah J. Planavsky
2019
发表期刊Nature communications
页码1-9
摘要

The latest Permian mass extinction, the most devastating biocrisis of the Phanerozoic, has been widely attributed to eruptions of the Siberian Traps Large Igneous Province, although evidence of a direct link has been scant to date. Here, we measure mercury (Hg), assumed to reflect shifts in volcanic activity, across the Permian-Triassic boundary in ten marine sections across the Northern Hemisphere. Hg concentration peaks close to the Permian-Triassic boundary suggest coupling of biotic extinction and increased volcanic activity. Additionally, Hg isotopic data for a subset of these sections provide evidence for largely atmospheric rather than terrestrial Hg sources, further linking Hg enrichment to increased volcanic activity. Hg peaks in shallow-water sections were nearly synchronous with the end-Permian extinction horizon, while those in deep-water sections occurred tens of thousands of years before the main extinction, possibly supporting a globally diachronous biotic turnover and protracted mass extinction event.

收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/10468
专题环境地球化学国家重点实验室
作者单位1.State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, 430074 Wuhan, Hubei, China
2.Department of Geology and Geophysics, Yale University, New Haven, CT 06520-8109, USA
3.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China
4.Institute of Surface-Earth System Science, Tianjin University, 92 Weijin Road, 300072 Nankai, Tianjin, China
5.State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, 430074 Wuhan, Hubei, China
6.Department of Geology, University of Cincinnati, Cincinnati, OH 45221-0013, USA. Correspondence and requests for materials should be addressed to J.S.
推荐引用方式
GB/T 7714
Jun Shen,Jiubin Chen,Thomas J. Algeo,et al. Evidence for a prolonged Permian-Triassic extinction interval from global marine mercury records[J]. Nature communications,2019:1-9.
APA Jun Shen.,Jiubin Chen.,Thomas J. Algeo.,Shengliu Yuan.,Qinglai Feng.,...&Noah J. Planavsky.(2019).Evidence for a prolonged Permian-Triassic extinction interval from global marine mercury records.Nature communications,1-9.
MLA Jun Shen,et al."Evidence for a prolonged Permian-Triassic extinction interval from global marine mercury records".Nature communications (2019):1-9.
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