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  2. 地质与地球物理研究所
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  4. 岩石圈演化国家重点实验室
Constraints on the Ediacaran-Cambrian boundary in deep-water realm in South China: Evidence from zircon CA-ID-TIMS U-Pb ages from the topmost Liuchapo Formation

文献类型：期刊论文

作者Wang, Wei3,4,5; Zhou, Mingzhong2; Chu, Zhuyin3,5; Xu, Junjie1,3,5; Li, Chaofeng3,5; Luo, Taiyi6; Guo, Jinghui3,5
刊名SCIENCE CHINA-EARTH SCIENCES
出版日期2020-03-30
页码12
关键词Liuchapo Formation Yangtze Platform Ediacaran-Cambrian CA-ID-TIMS Organic carbon isotope
ISSN号1674-7313
DOI10.1007/s11430-019-9590-0
英文摘要The placement of the Ediacaran-Cambrian boundary in deep-water realm in South China and the high-precision temporal framework for the Ediacaran-Cambrian transition in this region have not yet been completely solved. Recently, we have found two K-bentonite beds in the top of the Liuchapo Formation at the Pingyin section, Guizhou Province. It provides an opportunity for constructing the temporal framework of the transitional strata on the Yangtze Platform in South China and for determining the Ediacaran-Cambrian boundary in this area. In this study, we conducted high-precision CA-ID-TIMS U-Pb dating on zircons from the two K-bentonites. The ages of the two K-bentonites were precisely constrained at 536.40 +/- 0.47/1.1/1.2 Ma (2 sigma, n=7, MSWD=0.92) and 541.48 +/- 0.46/1.1/1.2 Ma (2 sigma, n=8, MSWD=1.3). Combining the geochronological results with organic carbon isotope data of chert in the topmost Liuchapo Formation from the section, we suggest that the EdiacaranCambrian boundary should be consistent with a significant negative organic carbon isotope excursion between the two K-bentonites. The scheme of the Ediacaran-Cambrian boundary in this study is of great significance for global correlation, and further for unravelling the information of the terminal Ediacaran-early Cambrian ocean.
WOS关键词CARBON-ISOTOPE STRATIGRAPHY ; MO-PGE-AU ; YANGTZE PLATFORM ; GEOCHRONOLOGICAL CONSTRAINTS ; INTEGRATIVE STRATIGRAPHY ; TRACE FOSSILS ; OCEAN ANOXIA ; BLACK SHALES ; SECTION ; CHEMOSTRATIGRAPHY
资助项目National Natural Science Foundation of China[41673061] ; National Natural Science Foundation of China[41462001] ; National Natural Science Foundation of China[41688103] ; Chinese Academy of Sciences Instrument and Equipment Function Development Project[IGG201803]
WOS研究方向Geology
语种英语
WOS记录号WOS:000522903000001
出版者SCIENCE PRESS
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; Chinese Academy of Sciences Instrument and Equipment Function Development Project ; Chinese Academy of Sciences Instrument and Equipment Function Development Project
源URL[http://ir.iggcas.ac.cn/handle/132A11/95525]  
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Zhou, Mingzhong; Chu, Zhuyin
作者单位1.China Univ Geosci, Beijing 100083, Peoples R China
2.Guizhou Normal Univ, Sch Geog & Environm Sci, Guiyang 550001, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
6.Chinese Acad Sci, Inst Geochem, State Key Lab Ore Deposit Geochem, Guiyang 550002, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Wei,Zhou, Mingzhong,Chu, Zhuyin,et al. Constraints on the Ediacaran-Cambrian boundary in deep-water realm in South China: Evidence from zircon CA-ID-TIMS U-Pb ages from the topmost Liuchapo Formation[J]. SCIENCE CHINA-EARTH SCIENCES,2020:12.
APA Wang, Wei.,Zhou, Mingzhong.,Chu, Zhuyin.,Xu, Junjie.,Li, Chaofeng.,...&Guo, Jinghui.(2020).Constraints on the Ediacaran-Cambrian boundary in deep-water realm in South China: Evidence from zircon CA-ID-TIMS U-Pb ages from the topmost Liuchapo Formation.SCIENCE CHINA-EARTH SCIENCES,12.
MLA Wang, Wei,et al."Constraints on the Ediacaran-Cambrian boundary in deep-water realm in South China: Evidence from zircon CA-ID-TIMS U-Pb ages from the topmost Liuchapo Formation".SCIENCE CHINA-EARTH SCIENCES (2020):12.

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来源：地质与地球物理研究所

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