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Coupled sedimentary and d???????13C records of western Thailand and South China from Middle to Late Ordovician: Sea-level and climate changes prior to the Hirnantian glaciation
Li, Wenjie1; Chen, Zhongyang1; Burrett, Clive2; Fang, Xiang1; Li, Chao1; Udchachon, Mongkol2; Chen, Jitao1; Zhang, Yuandong1,3
2023-09-01
发表期刊PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
卷号625页码:18
摘要

The Middle to Late Ordovician sedimentary records are of great interest because they potentially contain critical signatures about triggers of the Great Ordovician Biodiversification Event and the Late Ordovician Mass Extinction. A long climate cooling has been proposed by some scholars, which may have initiated in Middle Ordovician and eventually culminated in the Late Ordovician (Hirnantian) glaciation; however, the origin, frequency, magnitude and duration of this cooling-glaciation event are still in debate. A sedimentary and multi-stratigraphic study of the Middle to Late Ordovician transition records may help reveal the evolutionary history of this great climate change. Here we document and correlate the sedimentary facies, conodont biostratigraphy and carbon isotope chemostratigraphy of latest Darriwilian through early Katian limestone successions in the Kanchanaburi area of western Thailand and in South China. This correlation reveals two remarkably cross -regional transgression events and their following sea-level highstand periods. The first transgression happened in the latest Darriwilian, leading to the deposition of the Tha Manao Formation of restricted carbonate facies at the Nautiloid Site Geopark in Thailand, Sibumasu Terrane, and the Miaopo and chert-rich Hulo formations of black shale facies in South China. The second transgression was initiated in the earliest Katian, forming the extensively distributed open-marine carbonates of the Pa Kae and Pagoda formations in platform settings, and the debrite-rich, deep-water carbonate of the Yenwashan Formation in slope settings. We also document coupled changes in depositional facies and carbon isotopic compositions, showing that the rising limb of the Guttenberg Isotopic Carbon Excursion (GICE) co-occurred with the second transgression period. The South China and Thailand Sibumasu records are comparable to those of many North American successions, indicating a pre-sumably global sea-level rise in the early Katian, which may have been caused by the waning of the potential Darriwilian-Sandbian icecaps.

关键词Sedimentary facies Carbon isotope Stratigraphic correlation South China Sibumasu GICE
DOI10.1016/j.palaeo.2023.111686
收录类别SCI
语种英语
关键词[WOS]DELTA-C-13 EXCURSION GICE ; CARBON-ISOTOPE EXCURSIONS ; U-PB GEOCHRONOLOGY ; YANGTZE PLATFORM ; NORTH-AMERICA ; CHEMOSTRATIGRAPHY ; STRATIGRAPHY ; FACIES ; BIODIVERSIFICATION ; BIOSTRATIGRAPHY
资助项目National Natural Science Foundation of China[42002009] ; Mahasarakham University in 2021[42030510] ; Mahasarakham University in 2021[2023] ; (Rise of Ordovician Life)[735] ; Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences and Mahasarakham University ; [XDB26000000]
WOS研究方向Physical Geography ; Geology ; Paleontology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS记录号WOS:001054139200001
项目资助者National Natural Science Foundation of China ; Mahasarakham University in 2021 ; (Rise of Ordovician Life) ; Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences and Mahasarakham University
出版者ELSEVIER
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/42654
专题中国科学院南京地质古生物研究所
通讯作者Li, Wenjie
作者单位1.Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
2.Mahasarakham Univ, Excellence Ctr Basin Studies & Appl Palaeontol, Palaeontol Res & Educ Ctr, Maha Sarakham 44150, Thailand
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Li, Wenjie,Chen, Zhongyang,Burrett, Clive,et al. Coupled sedimentary and d???????13C records of western Thailand and South China from Middle to Late Ordovician: Sea-level and climate changes prior to the Hirnantian glaciation[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2023,625:18.
APA Li, Wenjie.,Chen, Zhongyang.,Burrett, Clive.,Fang, Xiang.,Li, Chao.,...&Zhang, Yuandong.(2023).Coupled sedimentary and d???????13C records of western Thailand and South China from Middle to Late Ordovician: Sea-level and climate changes prior to the Hirnantian glaciation.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,625,18.
MLA Li, Wenjie,et al."Coupled sedimentary and d???????13C records of western Thailand and South China from Middle to Late Ordovician: Sea-level and climate changes prior to the Hirnantian glaciation".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 625(2023):18.
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