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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
Wang, Wei1,2,3; Zhou, Mingzhong4; Chu, Zhuyin1,3; Xu, Junjie1,3,5; Li, Chaofeng1,3; Luo, Taiyi6; Guo, Jinghui1,3
2020-03-30
Source PublicationSCIENCE CHINA-EARTH SCIENCES
ISSN1674-7313
Pages12
AbstractThe 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.
KeywordLiuchapo Formation Yangtze Platform Ediacaran-Cambrian CA-ID-TIMS Organic carbon isotope
DOI10.1007/s11430-019-9590-0
Funding OrganizationNational 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
WOS KeywordCARBON-ISOTOPE STRATIGRAPHY ; MO-PGE-AU ; YANGTZE PLATFORM ; GEOCHRONOLOGICAL CONSTRAINTS ; INTEGRATIVE STRATIGRAPHY ; TRACE FOSSILS ; OCEAN ANOXIA ; BLACK SHALES ; SECTION ; CHEMOSTRATIGRAPHY
Language英语
Funding ProjectNational 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]
Funding OrganizationNational 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
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000522903000001
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95525
Collection岩石圈演化国家重点实验室
Corresponding AuthorZhou, Mingzhong; Chu, Zhuyin
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing 100029, Peoples R China
4.Guizhou Normal Univ, Sch Geog & Environm Sci, Guiyang 550001, Peoples R China
5.China Univ Geosci, Beijing 100083, Peoples R China
6.Chinese Acad Sci, Inst Geochem, State Key Lab Ore Deposit Geochem, Guiyang 550002, Peoples R China
First Author AffilicationState Key Laboratory of Lithospheric Evolution
Corresponding Author AffilicationState Key Laboratory of Lithospheric Evolution
Recommended Citation
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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