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Organic-walled microfossils from the Tonian Tongjiazhuang Formation of the Tumen Group in western Shandong, North China Craton and their biostratigraphic significance
Li, Guangjin1; Pang, Ke (庞科)2,3,4; Chen, Lei1,5; Zhou, Guangzhao1; Han, Chunmei1; Yang, Le1; Wang, Wei (王伟)2,3; Yang, Fengjie1; Yin, Leiming (尹磊明)2,3
2019-12-01
Source PublicationGONDWANA RESEARCH
ISSN1342-937X
Volume76Pages:260-289
Abstract

Neoproterozoic successions in western Shandong of North China Craton contain fine-grained siliciclastic rocks which offer a unique opportunity to explore the Neoproterozoic biosphere. In this study, we have revealed a well-preserved and diversified microfossil assemblage from the Tongjiazhuang Formation, Tumen Group in western Shandong, North China Craton, which is characterized by abundant smooth-walled sphaeromorphic acritarchs and cyanobacterium-like filamentous forms and relatively low abundance of more complex acritarchs. A total of 40 microfossil taxa belonging to 20 morphological genera have been identified, most of which are described for the first time from the Tongjiazhuang Formation of the Tumen Group in western Shandong, including Simia sp., Trachyhystrichosphaera aimika, T. botula, Germinosphaera bispinosa, Unnamed sp. A, Jacutianema solubila, and Pololeptus rugosus. The Tongjiazhuang assemblage revealed in this study is much more diverse than previously reported and well comparable to the Tonian Liulaobei and Gouhou assemblages in the Xuhuai region. Particularly, the occurrence of T. aimika, T. botula, G. bispinosa, J. solubila, and P. rugosus indicates a late Mesoproterozoic to Tonian age for the Tongjiazhuang Formation. In addition, the occurrences of macroscopic carbonaceous compressions, including Chuaria-Tawuia assemblage from the Tongjiazhuang Formation and Tawuia and Sinosabellidites from the Shiwangzhuang Formation, are consistent with geochronological data, suggesting a Tonian age for the Tongjiazhuang, Fulaishan, and Shiwangzhuang formations of the middle and upper Tumen Group, while the Heishanguan and Erqingshan formations of the lower Tumen Group are likely late Mesoproterozoic to Tonian in age. Thus, available biostratigraphic data, lithostratigraphic correlation, and geochronological data suggest that the whole Tumen Group is late Mesoproterozoic to Tonian in age, rather than Cryogenian or Ediacaran. This study significantly improves our knowledge about the diversity of the Tonian biosphere and implies a similar to 200-300 million years unconformity (the 'Great Unconformity') between the late Mesoprotoerozoic to Tonian Tumen Group and the early Cambrian Liguan Formation in western Shandong. (C) 2019 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.

KeywordNorth China Craton Tonian Tongjiazhuang Formation Organic-walled microfossil Trachyhystrichosphaera
DOI10.1016/j.gr.2019.06.007
Language英语
WOS KeywordMESOPROTEROZOIC GAOYUZHUANG FORMATION ; NEOPROTEROZOIC LIULAOBEI FORMATION ; CARBONACEOUS COMPRESSION FOSSILS ; PRECAMBRIAN BASEMENT ; DRAKEN CONGLOMERATE ; HUAINAN REGION ; MICRO-FOSSILS ; OFFICER BASIN ; RUYANG GROUP ; U-PB
Funding ProjectNational Key Research and Development Program of China[2016YFC0601001] ; National Key Research and Development Program of China[2017YFC0603100] ; National Natural Science Foundation of China[41502019] ; National Natural Science Foundation of China[41602007] ; National Natural Science Foundation of China[U1562104] ; Shandong University of Science and Technology (SDUST) Research Fund[2015RCJJ009] ; Shandong University of Science and Technology (SDUST) Research Fund[2015YQJH102] ; Shandong University of Science and Technology (SDUST) Research Fund[2015TDJH101] ; Chinese Academy of Sciences[QYZDJ-SSW-DQC009] ; Chinese Academy of Sciences[XDB 26000000] ; Chinese Academy of Sciences[XDB18000000] ; Science Foundation of Jiangsu Province of China[BK20161090] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences)[20162109] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences)[173118]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000493799500016
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Shandong University of Science and Technology (SDUST) Research Fund ; Chinese Academy of Sciences ; Science Foundation of Jiangsu Province of China ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences)
PublisherELSEVIER
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Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/29074
Collection中国科学院南京地质古生物研究所
Corresponding AuthorChen, Lei
Affiliation1.Shandong Univ Sci & Technol, Coll Earth Sci & Engn, Qingdao 266590, Shandong, Peoples R China
2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Jiangsu, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao 266061, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Li, Guangjin,Pang, Ke ,Chen, Lei,et al. Organic-walled microfossils from the Tonian Tongjiazhuang Formation of the Tumen Group in western Shandong, North China Craton and their biostratigraphic significance[J]. GONDWANA RESEARCH,2019,76:260-289.
APA Li, Guangjin.,Pang, Ke .,Chen, Lei.,Zhou, Guangzhao.,Han, Chunmei.,...&Yin, Leiming .(2019).Organic-walled microfossils from the Tonian Tongjiazhuang Formation of the Tumen Group in western Shandong, North China Craton and their biostratigraphic significance.GONDWANA RESEARCH,76,260-289.
MLA Li, Guangjin,et al."Organic-walled microfossils from the Tonian Tongjiazhuang Formation of the Tumen Group in western Shandong, North China Craton and their biostratigraphic significance".GONDWANA RESEARCH 76(2019):260-289.
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