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Facies analysis of the Upper Ordovician Xiazhen Formation, southeast China: Implications for carbonate platform development in South China prior to the onset of the Hirnantian glaciation
Park, Jino1,2; Lee, Jeong-Hyun3; Liang, Kun(梁坤4,5; Choh, Suk-Joo6
2021-04-01
Source PublicationFACIES
ISSN0172-9179
Volume67Issue:2Pages:20
Abstract

The Upper Ordovician Zhe-Gan Platform was a short-lived carbonate platform that formed near the northern margin of the Cathaysian Land of the South China Block. The Zhe-Gan Platform is less well understood than the adjacent Yangtze Platform due to the absence of detailed sedimentological study as well as the structural complexity of the area. The aim of this study was to reconstruct the Zhe-Gan Platform based on detailed facies analysis of the middle to upper Xiazhen Formation. A total of 24 shallowing-upward depositional cycles (C1-24) are identified and subdivided into three types based on the vertical association of facies: (1) mixed carbonate-clastic subtidal cycles; (2) carbonate subtidal cycles; and (3) peritidal-capped subtidal cycles. The reconstructed depositional model indicates a ramp-type, mixed siliciclastic-carbonate platform, generally similar to other Late Ordovician carbonate platforms characterised by dominant skeletal grains, less common ooids, and an absence of skeletal barrier reefs. The newly developed Late Ordovician ramp-type carbonate platforms could have been induced by the evolution of skeletal organisms and the accompanying palaeoceanographic changes prior to the Hirnantian glaciation. The complex palaeogeography of the South China Block would have influenced the co-occurrence of the Xiazhen carbonate platform and black shales of the adjacent Yangtze Platform on the same block during the Late Ordovician.

KeywordZhe-Gan Platform Mixed siliciclastic– carbonate ramp Upper Ordovician South China Block
DOI10.1007/s10347-021-00626-z
Indexed BySCI
Language英语
Funding ProjectNational Research Foundation of Korea[2019R1I1A1A01061336] ; National Research Foundation of Korea[2019R1A2C4069278] ; National Research Foundation of Korea[2018R1A2A2A05018469] ; Chinese Academy of Sciences[XDB26000000]
WOS Research AreaGeology ; Paleontology
WOS SubjectGeology ; Paleontology
WOS IDWOS:000627378500001
Funding OrganizationNational Research Foundation of Korea ; Chinese Academy of Sciences
PublisherSPRINGER
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/37979
Collection中国科学院南京地质古生物研究所
Corresponding AuthorChoh, Suk-Joo
Affiliation1.Kangwon Natl Univ, Dept Geol, Chunchon, South Korea
2.Handong Global Univ, Inst Construct & Environm Res, Pohang, South Korea
3.Chungnam Natl Univ, Dept Geol Sci, Daejeon, South Korea
4.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing, Peoples R China
5.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing, Peoples R China
6.Korea Univ, Dept Earth & Environm Sci, Seoul, South Korea
Recommended Citation
GB/T 7714
Park, Jino,Lee, Jeong-Hyun,Liang, Kun(梁坤,et al. Facies analysis of the Upper Ordovician Xiazhen Formation, southeast China: Implications for carbonate platform development in South China prior to the onset of the Hirnantian glaciation[J]. FACIES,2021,67(2):20.
APA Park, Jino,Lee, Jeong-Hyun,Liang, Kun,&Choh, Suk-Joo.(2021).Facies analysis of the Upper Ordovician Xiazhen Formation, southeast China: Implications for carbonate platform development in South China prior to the onset of the Hirnantian glaciation.FACIES,67(2),20.
MLA Park, Jino,et al."Facies analysis of the Upper Ordovician Xiazhen Formation, southeast China: Implications for carbonate platform development in South China prior to the onset of the Hirnantian glaciation".FACIES 67.2(2021):20.
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