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Organic-walled microfossils from the Tonian Gouhou Formation, Huaibei region, North China Craton, and their biostratigraphic implications
Tang, Qing (唐卿)1; Pang, Ke (庞科)2; Yuan, Xunlai (袁训来)2; Wan, Bin (万斌)2; Xiao, Shuhai1
2015-09-01
Source PublicationPRECAMBRIAN RESEARCH
ISSN0301-9268
Volume266Pages:296-318
Abstract

The Meso-(?) and Neoproterozoic Huaibei Group in the Huaibei region, North China Craton (NCC), is emerging as a target for geobiological and tectonic studies due to its thick unmetamorphosed sediments with well-preserved organic-walled fossils. However, the lack of accurate age constraints for this sedimentary sequence dramatically hampers our ability to take full advantage of the rich geological and paleontological history recorded in the Huaibei Group. Particularly, the depositional age of the uppermost unit of the Huaibei Group, the Gouhou Formation, is a controversial issue. Although it is widely accepted that there is an unconformity between the Gouhou Formation and the overlying early Cambrian Houjiashan Formation, the magnitude of this unconformity and hence the seale of the underlying tectonic event are unconstrained due to the uncertainty of the sedimentary age for the Gouhou Formation which has been variously interpreted as Cambrian, Cryogenian-Ediacaran (similar to 720 Ma to similar to 541 Ma), and Tonian (1000 Ma to similar to 720 Ma). To improve our knowledge about this sedimentary gap, we carried out a biostratigraphic study of the Gouhou Formation. Our investigation using a low manipulation maceration technique revealed a diverse organic-walled microfossil assemblage. A total of 22 taxa have been revealed, including a new species-Dictyosphaera tacita n. sp. Importantly, the co-occurrence of Trachyhystrichosphaera, Valeria, and Dictyosphaera in the Gouhou Formation suggests a likely Tonian age. The biostratigraphic data indicate an infra-Cambrian depositional gap of >200 myr between the Tonian Gouhou Formation and Cambrian Houjiashan Formation, perhaps driven by a major tectonostratigraphic event. (C) 2015 Elsevier B.V. All rights reserved.

KeywordNorth China Craton Tonian Gouhou Formation Organic-walled Microfossils Trachyhystrichosphaera
DOI10.1016/j.precamres.2015.05.025
Language英语
WOS KeywordNeoproterozoic Liulaobei Formation ; Proterozoic Doushantuo Formation ; Arctic Canada ; South China ; Draken Conglomerate ; Cambrian Explosion ; Pb Geochronology ; Huainan Region ; Lakhanda Group ; Micro-fossils
Funding ProjectNational Natural Science Foundation of China[41272011] ; National Natural Science Foundation of China[41130209] ; Chinese Ministry of Science and Technology[2013CB835000] ; Chinese Academy of Sciences[KZZD-EW-02] ; Chinese Academy of Sciences[KZCX2-YW-153] ; U.S. National Science Foundation[EAR-1250800] ; American Association of Stratigraphic Palynologists
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000358702800019
Funding OrganizationNational Natural Science Foundation of China ; Chinese Ministry of Science and Technology ; Chinese Academy of Sciences ; U.S. National Science Foundation ; American Association of Stratigraphic Palynologists
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/11969
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorXiao, Shuhai
Affiliation1.Virginia Tech, Dept Geosci, Blacksburg, VA 24061 USA
2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Tang, Qing ,Pang, Ke ,Yuan, Xunlai ,et al. Organic-walled microfossils from the Tonian Gouhou Formation, Huaibei region, North China Craton, and their biostratigraphic implications[J]. PRECAMBRIAN RESEARCH,2015,266:296-318.
APA Tang, Qing ,Pang, Ke ,Yuan, Xunlai ,Wan, Bin ,&Xiao, Shuhai.(2015).Organic-walled microfossils from the Tonian Gouhou Formation, Huaibei region, North China Craton, and their biostratigraphic implications.PRECAMBRIAN RESEARCH,266,296-318.
MLA Tang, Qing ,et al."Organic-walled microfossils from the Tonian Gouhou Formation, Huaibei region, North China Craton, and their biostratigraphic implications".PRECAMBRIAN RESEARCH 266(2015):296-318.
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