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Ordovician graptolite-bearing strata in southern Jiangxi with a special reference to the Kwangsian Orogeny
Chen Xu (陈旭); Zhang YuanDong (张元动); Fan JunXuan (樊隽轩); Cheng JunFeng (成俊峰); Li QiJian (李启剑)
2010-11-01
Source PublicationSCIENCE CHINA-EARTH SCIENCES
ISSN1674-7313
Volume53Issue:11Pages:1602-1610
Abstract

The Ordovician graptolite sequence of the Yongxin-Chongyi area in southern Jiangxi was suggested as a standard for the correlation of Ordovician in the Zhujiang region of South China. Based on a restudy of the Upper Ordovician graptolites, the Shikou and Huamianlong formations are recognized herein as a part of the Hanjiang Formation, corresponding only to the Diplacanthograptus caudatus-Diplacanthograptus spiniferus Zone. Two graptolite zones in the Longxi Formation of Yongxin and Chongyi, the Nemagraptus gracilis Zone and Climacograptus bicornis Zone, are redefined here. A rapid replacement of facies from the typical deep-water graptolitic black shale of Longxi Formation to the rapidly-accumulated, shallow-water clastic deposits of Hanjiang Formation indicates the tectonic initiation of the Kwangsian Orogeny. The thick clastic deposits of the Hanjiang Formation are proposed to come from a nearby source area that rose during the Kwangsian Orogeny. The D. caudatus-D. spiniferus graptolite Zone of the Hanjiang Formation indicates the initiation time of this tectonic event.

KeywordLongxi Formation Hanjiang Formation Sandbian Ordovician Graptolite Kwangsian Orogeny
DOI10.1007/s11430-010-4117-6
Language英语
Funding ProjectChinese Academy of Sciences[KZCX2-YW-122] ; Chinese Academy of Sciences[2008ZX05008-001-001] ; Ministry of Science and Technology[2006CB806402] ; National Natural Science Foundation of China[40772002]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000284167800004
Funding OrganizationChinese Academy of Sciences ; Ministry of Science and Technology ; National Natural Science Foundation of China
PublisherSCIENCE PRESS
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Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/428
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorChen Xu (陈旭)
AffiliationChinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Chen Xu ,Zhang YuanDong ,Fan JunXuan ,et al. Ordovician graptolite-bearing strata in southern Jiangxi with a special reference to the Kwangsian Orogeny[J]. SCIENCE CHINA-EARTH SCIENCES,2010,53(11):1602-1610.
APA Chen Xu ,Zhang YuanDong ,Fan JunXuan ,Cheng JunFeng ,&Li QiJian .(2010).Ordovician graptolite-bearing strata in southern Jiangxi with a special reference to the Kwangsian Orogeny.SCIENCE CHINA-EARTH SCIENCES,53(11),1602-1610.
MLA Chen Xu ,et al."Ordovician graptolite-bearing strata in southern Jiangxi with a special reference to the Kwangsian Orogeny".SCIENCE CHINA-EARTH SCIENCES 53.11(2010):1602-1610.
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