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Carbon isotopes and event stratigraphy near the Ordovician-Silurian boundary, Yichang, South China
Fan, Junxuan (樊隽轩)1; Peng, Ping'an2; Melchin, M. J.3
2009-05-15
Source PublicationPALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
Volume276Issue:1-4Pages:160-169
Abstract

The organic carbon isotope data through the unweathered Ordovician-Silurian boundary strata at the Wangjiawan Riverside section, which is c. 180 m southeast of the Wangjiawan North section, the GSSP for the base of the Hirnantian Stage (Upper Ordovician), show that a positive delta C-13(org) excursion begins just below the base of the Hirnantian Stage and peaks in the lower part of the N. extraordinarius Biozone. This is followed by an interval of slightly reduced delta C-13 values and a second peak of 2 parts per thousand above pre-Hirnantian values, which occurs in the lower part of the N. persculptus Biozone (upper Hirnantian). The peaks in delta C-13(org) values can be correlated well with episodes of glacial expansion described from Africa and peri-Gondwanan Europe. Evidence from sedimentological, faunal, and geochemical data from South China, as well as the evidence of glacial sediments in North Africa, all suggests a short-lived glaciation of similar to 1 Ma in the Ordovician South Pole region, consisting of at least two major pulses. The first phase of gradual glacial expansion began just before the Hirnantian Epoch and the second phase ended with rapid melting in the late Hirnantian (early N. persculptus Biozone). (C) 2009 Elsevier B.V. All rights reserved.

KeywordCarbon Isotopes Ordovician-silurian Boundary Hirnantian South China Glaciation Mass Extinction
DOI10.1016/j.palaeo.2009.03.007
Language英语
WOS KeywordGlobal Correlation ; Anticosti Island ; Mass Extinction ; Yangtze Region ; Glaciation ; Sea ; Quebec ; Perspective ; Graptolite ; Platform
Funding ProjectChinese Academy of Sciences[KZCX2-YW-122] ; Chinese Academy of Sciences[KZCX3-SW-149] ; Ministry of Science and Technology of China[2006CB806400] ; National Natural Science Foundation of China[40532009] ; National Natural Science Foundation of China[40772002] ; Natural Sciences and Engineering Research Council of Canada
WOS Research AreaPhysical Geography ; Geology ; Paleontology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS IDWOS:000266906200014
Funding OrganizationChinese Academy of Sciences ; Ministry of Science and Technology of China ; National Natural Science Foundation of China ; Natural Sciences and Engineering Research Council of Canada
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:66[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/261
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorFan, Junxuan (樊隽轩)
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China
3.St Francis Xavier Univ, Dept Earth Sci, Antigonish, NS B2G 2W5, Canada
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Fan, Junxuan ,Peng, Ping'an,Melchin, M. J.. Carbon isotopes and event stratigraphy near the Ordovician-Silurian boundary, Yichang, South China[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2009,276(1-4):160-169.
APA Fan, Junxuan ,Peng, Ping'an,&Melchin, M. J..(2009).Carbon isotopes and event stratigraphy near the Ordovician-Silurian boundary, Yichang, South China.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,276(1-4),160-169.
MLA Fan, Junxuan ,et al."Carbon isotopes and event stratigraphy near the Ordovician-Silurian boundary, Yichang, South China".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 276.1-4(2009):160-169.
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