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Timing of the termination of Sturtian glaciation: SIMS U-Pb zircon dating from South China

文献类型：期刊论文

作者Wang, Dan1,4; Zhu, Xiang-Kun1; Zhao, Nina1; Yan, Bin1; Li, Xian-Hua2,3; Shi, Fuqiang1; Zhang, Feifei1,5
刊名JOURNAL OF ASIAN EARTH SCIENCES
出版日期2019-06-15
卷号177页码:287-294
ISSN号1367-9120
关键词U-Pb zircon dating Termination of Sturtian glaciation Initiation of Marinoan glaciation Datangpo Formation South China
DOI10.1016/j.jseaes.2019.03.015
英文摘要Radiometric calibration of the Cryogenian glaciations is critical in understanding the nature of the climatic, geochemical and biological events in the Cryogenian period. However, the timing of termination of the Sturtian glaciation remains unsettled. Here we carried out new SIMS U-Pb zircon dating from two tuff layers at the non-glacial Datangpo Formation at the Jiangjunshan section in Guizhou, South China. The SIMS U-Pb zircon analyses yield U-Pb concordia ages of 659.3 +/- 2.4 Ma and 657.3 +/- 3.2 Ma for the two tuff layers, respectively. The age of 659.3 +/- 2A Ma obtained from the tuff layer occurring at the boundary between Sturtian diamictites and the non-glacial Datangpo Formation is regarded as the best age estimate for the termination of Sturtian glaciation in South China. This new U-Pb age is well consistent with those from the previous studies, suggesting a globally synchronous termination of the Sturtian glaciation at ca. 659 Ma. The onset of the Marinoan glaciation has been estimated to occur at ca. 649 Ma, based on the radiometric age obtained in this study and previous cyclostratigraphic results. Thus it is argued that the Marinoan glaciation was a long-lived glaciation and spanned approximately 14 million years.
WOS关键词RE-OS GEOCHRONOLOGY ; OCEAN NANHUA BASIN ; DOUSHANTUO FORMATION ; DATANGPO FORMATION ; CAP CARBONATE ; YANGTZE BLOCK ; CONSTRAINTS ; AGE ; OXYGENATION ; HF
资助项目National Natural Science Foundation of China[41430104] ; National Natural Science Foundation of China[41603023] ; CAGS Research Fund[YYWF201603] ; Chinese Academy of Sciences[XDB18030300]
WOS研究方向Geology
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000471086300023
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAGS Research Fund ; CAGS Research Fund ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAGS Research Fund ; CAGS Research Fund ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAGS Research Fund ; CAGS Research Fund ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAGS Research Fund ; CAGS Research Fund ; Chinese Academy of Sciences ; Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/92487]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Zhu, Xiang-Kun
作者单位1.Chinese Acad Geol Sci, Inst Geol, MNR Key Lab Deep Earth Dynam, MNR Key Lab Isotope Geol, Beijing 100037, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
4.Nantong Univ, Sch Geog Sci, Nantong 226019, Peoples R China
5.Yale Univ, Dept Geol & Geophys, New Haven, CT 06511 USA
推荐引用方式
GB/T 7714		 Wang, Dan,Zhu, Xiang-Kun,Zhao, Nina,et al. Timing of the termination of Sturtian glaciation: SIMS U-Pb zircon dating from South China[J]. JOURNAL OF ASIAN EARTH SCIENCES,2019,177:287-294.
APA Wang, Dan.,Zhu, Xiang-Kun.,Zhao, Nina.,Yan, Bin.,Li, Xian-Hua.,...&Zhang, Feifei.(2019).Timing of the termination of Sturtian glaciation: SIMS U-Pb zircon dating from South China.JOURNAL OF ASIAN EARTH SCIENCES,177,287-294.
MLA Wang, Dan,et al."Timing of the termination of Sturtian glaciation: SIMS U-Pb zircon dating from South China".JOURNAL OF ASIAN EARTH SCIENCES 177(2019):287-294.

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来源：地质与地球物理研究所

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