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Age constraints of the Hungshihyen Formation (Early to Middle Ordovician) on the western margin of the Yangtze Platform, South China: New insights from chitinozoans
Liang, Yan1,2,3; Wang, Guang-Xu3,4; Servais, Thomas5; Wu, Rong-Chang1,3; Nolvak, Jaak2; Hints, Olle2; Wei, Xin6; Gong, Fang-Yi6; Yan, Guan-Zhou6
2020-03-01
Source PublicationPALAEOWORLD
ISSN1871-174X
Volume29Issue:1Pages:66-74
Abstract

The Hungshihyen Formation represents the Lower to Middle Ordovician near-shore siliciclastic deposits on the western margin of the Yangtze Platform, South China. However, its age is still debated, largely because of insufficient studies. Here we documented the Bursachitinamaotaiensis-B. qianbeiensis chitinozoan assemblage from the lower part of the Hungshihyen Formation at Songliang, Qiaojia County, eastern Yunnan Province. This assemblage is remarkably similar to an assemblage that roughly correlates to the middle part of the Corymobograptus deflexus graptolite Biozone in northern Guizhou Province, indicating that the Hungshihyen Formation at Songliang is probably of late Floian age and may extend into the early Dapingian. Additionally, a revision on the chitinozoans previously documented from the strata assigned to the same formation in the Wuding area was made according to the latest classification. The revision allows the recognition of the Euconochitina symmetrica-Eremochitina brevis assemblage, and therefore suggests a late Tremadocian age for this interval based on regional and global chitinozoan biostratigraphic correlations. Considering also its lithologic succession, we argue that the chitinozoan-bearing strata in the Wuding area previously assigned to the Hungshihyen Formation correspond most likely to the uppermost part of the underlying Tangchi Formation or the lowermost part of the Hungshihyen Formation. The base of the Hungshihyen Formation appears therefore to be diachronous in eastern Yunnan Province. (C) 2019 Elsevier Ireland Ltd Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. Published by Elsevier B.V. All rights reserved.

KeywordChitinozoa Floian Ordovician Hungshihyen Formation eastern Yunnan South China
DOI10.1016/j.palwor.2019.05.008
Indexed BySCI
Language英语
WOS KeywordTALLINN ; QUEBEC
Funding ProjectNational Natural Science Foundation of China[41602010] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; Estonian Research Council[MOBJD62] ; Estonian Research Council[PUT611] ; State Key Laboratory of Palaeobiology and Stratigraphy
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000518613600004
Funding OrganizationNational Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Estonian Research Council ; State Key Laboratory of Palaeobiology and Stratigraphy
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/31727
Collection中国科学院南京地质古生物研究所
Corresponding AuthorLiang, Yan
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, CAS Key Lab Econ Stratig & Palaeogeog, Nanjing 210008, Peoples R China
2.Tallinn Univ Technol, Dept Geol, EE-19086 Tallinn, Estonia
3.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
4.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
5.Univ Lille, UMR Evoecopaleo 8198, CNRS, Cite Sci, F-59000 Lille, France
6.Univ Sci & Technol China, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Liang, Yan,Wang, Guang-Xu,Servais, Thomas,et al. Age constraints of the Hungshihyen Formation (Early to Middle Ordovician) on the western margin of the Yangtze Platform, South China: New insights from chitinozoans[J]. PALAEOWORLD,2020,29(1):66-74.
APA Liang, Yan.,Wang, Guang-Xu.,Servais, Thomas.,Wu, Rong-Chang.,Nolvak, Jaak.,...&Yan, Guan-Zhou.(2020).Age constraints of the Hungshihyen Formation (Early to Middle Ordovician) on the western margin of the Yangtze Platform, South China: New insights from chitinozoans.PALAEOWORLD,29(1),66-74.
MLA Liang, Yan,et al."Age constraints of the Hungshihyen Formation (Early to Middle Ordovician) on the western margin of the Yangtze Platform, South China: New insights from chitinozoans".PALAEOWORLD 29.1(2020):66-74.
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