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Carbon-Isotope Excursions Recorded in the Cambrian System, South China: Implications for Mass Extinctions and Sea-Level Fluctuations
Zuo, Jingxun1; Peng, Shanchi (彭善池)2; Qi, Yuping (祁玉平)2; Zhu, Xuejian (朱学剑)2; Bagnoli, Gabriella3; Fang, Huaibin1
2018-06-01
Source PublicationJOURNAL OF EARTH SCIENCE
ISSN1674-487X
Volume29Issue:3Pages:479-491
Abstract

Cambrian carbonates with abundant fossils of agnostoid trilobites deposited on the southern slope (Jiangnan slope belt) of the Yangtze Platform and in the Jiangnan deepwater basin are well exposed in the Wangcun Section of western Hunan, South China, and in the Duibian A Section of western Zhejiang, southeastern China, respectively. To better understand the response of carbon-isotope excursions to depositional environment changes, mass extinctions and eustatic events, we collected 530 carbonate samples in fresh roadcut exposures of the two measured sections for analysis of carbon and oxygen isotopic compositions. Data of delta C-13 from the Wangcun Section, western Hunan, South China, demonstrate that the Cambrian carbon-isotope profile includes three remarkable positive excursions CPE (wc) -1, 2, 3 in the Upper Series 2, in the Lower and in the Middle Furongian Series. Three distinctive negative excursions CNE (wc) -1, 2, 3 were separately tested in the Lower Terreneuvian Series, Lower Series 3 and in the Upper Furongian Series. Similarly, in the corresponding horizons in the Duibian A Section, Zhejiang Province, southeastern China, three positive excursions CPE (db) -1, 2, 3 and three negative excursions CNE (db) -1, 2, 3 also have been discovered. We interpret these significant carbon-isotope excursions as being associated with enhanced biogenic productivity, mass extinctions and eustatic events.

KeywordCarbon-isotope Excursion Mass Extinction Sea-level Change Cambrian South China
DOI10.1007/s12583-017-0963-x
Language英语
WOS KeywordStandard Stratotype-section ; Sequence Stratigraphy ; Boundary Interval ; 1st Appearance ; Point Gssp ; C-isotope ; Kaili Formation ; Potential Gssp ; North China ; Sr-isotope
Funding ProjectNational Natural Science Foundation of China[41672028] ; National Natural Science Foundation of China[41672002] ; National Natural Science Foundation of China[41330101] ; National Natural Science Foundation of China[41221001]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000435629500001
Funding OrganizationNational Natural Science Foundation of China
PublisherCHINA UNIV GEOSCIENCES, WUHAN
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/17068
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorZuo, Jingxun
Affiliation1.Henan Inst Geol Survey, Zhengzhou 450001, Henan, Peoples R China
2.Chinese Acad Sci, Nanjing Inst Geol & Paleontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
3.Univ Pisa, Dept Earth Sci, Via S Maria 53, I-56126 Pisa, Italy
Recommended Citation
GB/T 7714
Zuo, Jingxun,Peng, Shanchi ,Qi, Yuping ,et al. Carbon-Isotope Excursions Recorded in the Cambrian System, South China: Implications for Mass Extinctions and Sea-Level Fluctuations[J]. JOURNAL OF EARTH SCIENCE,2018,29(3):479-491.
APA Zuo, Jingxun,Peng, Shanchi ,Qi, Yuping ,Zhu, Xuejian ,Bagnoli, Gabriella,&Fang, Huaibin.(2018).Carbon-Isotope Excursions Recorded in the Cambrian System, South China: Implications for Mass Extinctions and Sea-Level Fluctuations.JOURNAL OF EARTH SCIENCE,29(3),479-491.
MLA Zuo, Jingxun,et al."Carbon-Isotope Excursions Recorded in the Cambrian System, South China: Implications for Mass Extinctions and Sea-Level Fluctuations".JOURNAL OF EARTH SCIENCE 29.3(2018):479-491.
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