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Stratigraphic correlation of the Givetian (late Middle Devonian) deposits in Qujing, Yunnan, southwestern China and the paleogeographic implications
Wang, Jianhua1,2; Mi, Yunchuan3; Ma, Xiaorou1; Bi, Yukun1
2022-02-03
发表期刊TURKISH JOURNAL OF EARTH SCIENCES
ISSN1300-0985
页码9
摘要

Detailed description of spatio-temporal framework of fossil-bearing strata is of fundamental significance for understanding the evolution of organisms and regional tectonics. The Qujing and Haikou formations are two lithological units exposed in eastern Yunnan, southwestern China, and both bear rich fossils indicative of a Middle Devonian age, while their relationship or lateral correlation remains unclear. Based on detailed observations of outcrops of these two formations in Qujing, eastern Yunnan, and as well as their typical rock characteristics and fossil contents, we propose that the two formations are basically contemporaneous heterotopic facies. From north to south of the Qujing area, the transition from the Haikou Formation to the Qujing Formation is gradual and shows an increase of carbonate component (in terms of the cumulative thickness of carbonate rocks) and as offset, a decrease of the siliciclastic component. The distribution of the Haikou/Qujing Formation indicates the development of a marine environment in the Qujing area during the Givetian, as a part of the South China Sea connected to the Paleo-Tethys Ocean, and supports that the transgression might have peaked in southwestern China during the late Middle Devonian. The available biostratigraphic evidence favors an expansion of the Paleo-Tethys Ocean prior to or during the Middle Devonian.

关键词Middle Devonian the Haikou Formation the Qujing Formation stratigraphic correlation Paleo-Tethys Ocean
DOI10.3906/yer-2111-17
收录类别SCI
语种英语
关键词[WOS]SOUTH CHINA ; PLANTS ; DIVERSITY ; GONDWANA ; SYSTEM
资助项目State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[213117] ; Basic Research Special Youth Project of Yunnan Province[202001AU070145] ; National Natural Science Foundation of China[92055205]
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000769920500001
项目资助者State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS) ; Basic Research Special Youth Project of Yunnan Province ; National Natural Science Foundation of China
出版者SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/40516
专题中国科学院南京地质古生物研究所
通讯作者Wang, Jianhua
作者单位1.Qujing Normal Univ, Key Lab Yunnan Prov Univ Qujing Nat Hist & Early, Res Ctr Nat Hist & Culture, Qujing, Peoples R China
2.Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing Inst Geol & Palaeontol, Nanjing, Peoples R China
3.Yunnan Geol Survey, Kunming, Yunnan, Peoples R China
推荐引用方式
GB/T 7714
Wang, Jianhua,Mi, Yunchuan,Ma, Xiaorou,et al. Stratigraphic correlation of the Givetian (late Middle Devonian) deposits in Qujing, Yunnan, southwestern China and the paleogeographic implications[J]. TURKISH JOURNAL OF EARTH SCIENCES,2022:9.
APA Wang, Jianhua,Mi, Yunchuan,Ma, Xiaorou,&Bi, Yukun.(2022).Stratigraphic correlation of the Givetian (late Middle Devonian) deposits in Qujing, Yunnan, southwestern China and the paleogeographic implications.TURKISH JOURNAL OF EARTH SCIENCES,9.
MLA Wang, Jianhua,et al."Stratigraphic correlation of the Givetian (late Middle Devonian) deposits in Qujing, Yunnan, southwestern China and the paleogeographic implications".TURKISH JOURNAL OF EARTH SCIENCES (2022):9.
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