NIGPAS OpenIR
Transient marine euxinia at the end of the terminal Cryogenian glaciation
Lang, Xianguo (郎咸国)1,2,3; Shen, Bing1; Peng, Yongbo4,5; Xiao, Shuhai6; Zhou, Chuanming (周传明)3,7; Bao, Huiming1,4; Kaufman, Alan Jay8; Huang, Kangjun9; Crockford, Peter W.10,11,12; Liu, Yonggang13; Tang, Wenbo14; Ma, Haoran1
2018-08-01
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Volume9Pages:8
Abstract

Termination of the terminal Cryogenian Marinoan snowball Earth glaciation (similar to 650-635 Ma) is associated with the worldwide deposition of a cap carbonate. Modeling studies suggest that, during and immediately following deglaciation, the ocean may have experienced a rapid rise in pH and physical stratification followed by oceanic overturn. Testing these predictions requires the establishment of a high-resolution sequence of events within sedimentary records. Here we report the conspicuous occurrence of pyrite concretions in the topmost Nantuo Formation ( South China) that was deposited in the Marinoan glacial deposits. Sedimentary facies and sulfur isotope data indicate pyrite precipitation in the sediments with H2S diffusing from the overlying sulfidic/euxinic seawater and Fe (II) from diamictite sediments. These observations suggest a transient but widespread presence of marine euxinia in an ocean characterized by redox stratification, high bioproductivity, and high-fluxes of sulfate from chemical weathering before the deposition of the cap carbonate.

DOI10.1038/s41467-018-05423-x
Language英语
WOS KeywordSulfur Isotope Fractionation ; Snowball Earth ; South China ; Doushantuo Formation ; Framboidal Pyrite ; Cap Carbonates ; Triple Oxygen ; Ocean ; Evolution ; Deposition
Funding ProjectStrategic Priority Research Program (B) of Chinese Academy of Sciences[XDB18000000] ; Natural Science Foundation of China[41322021] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS)[183114] ; NSERC PGS-D fellowship ; Agouron Institute Postdoctoral Fellow Program
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000440413800001
Funding OrganizationStrategic Priority Research Program (B) of Chinese Academy of Sciences ; Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Paleontology, CAS) ; NSERC PGS-D fellowship ; Agouron Institute Postdoctoral Fellow Program
PublisherNATURE PUBLISHING GROUP
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/17048
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorShen, Bing; Peng, Yongbo
Affiliation1.Peking Univ, Sch Earth & Space Sci, Key Lab Orogen Belts & Crustal Evolut, MOE, Beijing 100871, Peoples R China
2.Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
4.Louisiana State Univ, Dept Geol & Geophys, Baton Rouge, LA 70803 USA
5.Shanghai Ocean Univ, Coll Marine Sci, Shanghai Engn Res Ctr Hadal Sci & Technol, Shanghai 201306, Peoples R China
6.Virginia Tech, Dept Geosci, Blacksburg, VA 24061 USA
7.Chinese Acad Sci, CAS Key Lab Econ Stratig & Paleogeog, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
8.Univ Maryland, Dept Geol, College Pk, MD 20742 USA
9.Northwest Univ, Dept Geol, Shaanxi Key Lab Early Life & Environm, Xian 710069, Peoples R China
10.McGill Univ, Dept Earth & Planetary Sci, Montreal, PQ H3A0E8, Canada
11.Weizmann Inst Sci, Dept Earth & Planetary Sci, IL-76100 Rehovot, Israel
12.Princeton Univ, Dept Geosci, Princeton, NJ 08544 USA
13.Peking Univ, Sch Phys, Dept Atmosphere & Ocean Sci, Beijing 100871, Peoples R China
14.Arizona State Univ, Sch Math & Stat Sci, Tempe, AZ 85287 USA
Recommended Citation
GB/T 7714
Lang, Xianguo ,Shen, Bing,Peng, Yongbo,et al. Transient marine euxinia at the end of the terminal Cryogenian glaciation[J]. NATURE COMMUNICATIONS,2018,9:8.
APA Lang, Xianguo .,Shen, Bing.,Peng, Yongbo.,Xiao, Shuhai.,Zhou, Chuanming .,...&Ma, Haoran.(2018).Transient marine euxinia at the end of the terminal Cryogenian glaciation.NATURE COMMUNICATIONS,9,8.
MLA Lang, Xianguo ,et al."Transient marine euxinia at the end of the terminal Cryogenian glaciation".NATURE COMMUNICATIONS 9(2018):8.
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