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Early Permian and Permian-Triassic boundary interval conodonts from the Central Qiangtang metamorphic belt, northern Tibet, and their paleobiogeographic and paleoclimatic implications

文献类型：期刊论文

作者Chen, Anfeng1; Zhang, Yichun2; Stubbs, Thomas L.3; Zhang, Yang1,2,4; Wu, Huiting2,5; Li, Yalin1; Ma, Xingduo1; Wang, Qian5; Shi, Xiaoying1,4
刊名PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
出版日期2024-11-15
卷号654页码:15
关键词Conodont biostratigraphy Late Kungurian Permian - Triassic boundary interval Paleobiogeography Qiangtang Block
ISSN号0031-0182
DOI10.1016/j.palaeo.2024.112449
通讯作者Zhang, Yang(zhangy@cugb.edu.cn) ; Li, Yalin(liyalin@cugb.edu.cn) ; Shi, Xiaoying(shixyb@cugb.edu.cn)
英文摘要The >500-km-long Central Qiangtang metamorphic belt (CQMB), northern Tibet, offers valuable materials for studying the tectonic evolution and paleobiogeography of the Qiangtang Block. In this study, two conodont faunas (the Mesogondolella and Clarkina-Hindeodus-Isarcicella faunas) are reported for the first time, from the Jiaomuri area of the CQMB. The Mesogondolella fauna, including M. siciliensis, M. qiangtangensis, and?M. sp., is from the exotic limestone blocks at the Jiaomuchaka 2 and Jiangaizangbu sections, indicating a late Kungurian age (Cisuralian, Early Permian). A total of 20 conodont species from five genera are identified and two conodont biozones are established in the Clarkina-Hindeodus-Isarcicella fauna at the Jiaomuchaka 1 section. In addition, the Borinella nepalensis horizon is also recognized at the present section. Based on the conodont succession, the Permian-Triassic boundary (PTB) is temporarily placed between the Clarkina yini and Isarcicella staeschei zones. The late Kungurian Mesogondolella fauna belongs to a transitional zone between the warm- and cool-water conodont provinces and is slightly different from faunas in the southwestern part of the South Qiangtang Block (SQB). A potential explanation for this phenomenon is that the SQB may have undergone anticlockwise rotation during northward-drifting, and warm-water currents along the northern peri-Gondwanan margin may have played a crucial role in conodont distribution. The absence of coeval cool-water Vjalovognathus and M. idahoensis in the CQMB and the southern part of the SQB suggests a weak paleobiogeographical affinity with the Lhasa Block, eastern Myanmar, and Western Australia. In the Clarkina-Hindeodus-Isarcicella fauna of the PTB interval, the co-existence of the endemic species C. sosioensis and warm-water Iranognathus may indicate that the SQB drifted to equatorial regions and had a close relationship with Iran. In addition, the existence of Borinella confirms that the genus preferred relatively cool-water habitats in the Induan-Olenekian boundary (IOB) interval.
WOS关键词GLOBAL STRATOTYPE SECTION ; SOUTH CHINA ; MEISHAN SECTION ; MASS EXTINCTION ; FUSULINE FAUNA ; XAINZA AREA ; LHASA BLOCK ; BIOSTRATIGRAPHY ; EVOLUTION ; ZONATION
资助项目Second Tibetan Plateau Scientific Expedition and Research Program[2019QZKK0803] ; National Natural Science Foundation of China[42372018] ; National Natural Science Foundation of China[41902008] ; Fundamental Research Funds for the Central University[2652018131] ; Fundamental Research Funds for the Central University[2023ZKPYDC03] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[223137] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[223131]
WOS研究方向Physical Geography ; Geology ; Paleontology
语种英语
WOS记录号WOS:001308333200001
出版者ELSEVIER
资助机构Second Tibetan Plateau Scientific Expedition and Research Program ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central University ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)
源URL[http://ir.nigpas.ac.cn/handle/332004/44213]  
专题中国科学院南京地质古生物研究所
通讯作者Zhang, Yang; Li, Yalin; Shi, Xiaoying
作者单位1.China Univ Geosci Beijing, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
3.Open Univ, Sch Life Hlth & Chem Sci, Walton Hall, Milton Keynes MK7 6AA, England
4.China Univ Geosci Beijing, State Key Lab Biogeol & Environm Geol, Beijing 100083, Peoples R China
5.China Univ Min & Technol, Sch Geosci & Surveying Engn, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Chen, Anfeng,Zhang, Yichun,Stubbs, Thomas L.,et al. Early Permian and Permian-Triassic boundary interval conodonts from the Central Qiangtang metamorphic belt, northern Tibet, and their paleobiogeographic and paleoclimatic implications[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2024,654:15.
APA Chen, Anfeng.,Zhang, Yichun.,Stubbs, Thomas L..,Zhang, Yang.,Wu, Huiting.,...&Shi, Xiaoying.(2024).Early Permian and Permian-Triassic boundary interval conodonts from the Central Qiangtang metamorphic belt, northern Tibet, and their paleobiogeographic and paleoclimatic implications.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,654,15.
MLA Chen, Anfeng,et al."Early Permian and Permian-Triassic boundary interval conodonts from the Central Qiangtang metamorphic belt, northern Tibet, and their paleobiogeographic and paleoclimatic implications".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 654(2024):15.

入库方式： OAI收割

来源：南京地质古生物研究所

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