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The Early Devonian Xitun Vertebrate Fauna in South China inhabited a shallow marine environment with changing salinity

文献类型：期刊论文

作者Cai, Jiachen2,3; Sun, Haoran2,3; Zhao, Wenjin2,3; Wang, Jianhua1; Zhu, Min2,3
刊名JOURNAL OF THE GEOLOGICAL SOCIETY
出版日期2024-05-06
卷号181期号:3页码:14
ISSN号0016-7649
DOI10.1144/jgs2023-146
通讯作者Zhao, Wenjin(zhaowenjin@ivpp.ac.cn)
英文摘要The Early Devonian Xitun Vertebrate Fauna, represented by early members of crown sarcopterygians, such as Youngolepis, Diabolepis, Psarolepis, Achoania and Styloichthys, is mainly hosted in the Xitun Formation in the Qujing area, East Yunnan of China. Despite numerous research articles describing taxa from this famous Lochkovian fauna and its sedimentary and tectonic environments, there is no objective and coherent interpretation of the palaeoenvironment in which these early vertebrates lived. Based on detailed field geological investigation in recent years in the surrounding areas of Qujing City and measurements from the Xitun Formation section, this paper focuses on the analysis of some geochemistry indices of major, trace and rare earth elements to accurately elucidate the sedimentary environment of the Xitun Formation and deepen our understanding of the relationship between Early Devonian fishes and the environment. The analyses of the sensitive geochemistry indices of depositional and tectonic settings, sedimentary provenance, weathering, palaeoclimate, palaeosalinity and palaeoredox conditions indicate that the Lower Devonian Xitun Formation in East Yunnan was mainly deposited in a shallow marine setting with three phases of seawater-freshwater influx under a warm and humid climate, and a stable, oxygen-rich condition, which promoted the flourishing of Early Devonian marine fishes. Supplementary material: Data on the major (Table A), trace (Table B) and rare earth (Table C) elements are available at https://doi.org/10.6084/m9.figshare.c.7020642 Thematic collection: This article is part of the Chemical Evolution of the Mid-Paleozoic Earth System and Biotic Response collection available at: https://www.lyellcollection.org/topic/collections/chemical-evolution-of-the-mid-paleozoic-earth-system
WOS关键词RARE-EARTH-ELEMENTS ; SEDIMENTARY-ROCKS ; RED BEDS ; INTEGRATIVE STRATIGRAPHY ; CRUSTAL EVOLUTION ; CERIUM ANOMALIES ; WESTERN YUNNAN ; ARCHEAN SHALES ; CLIMATE-CHANGE ; PALEO-TETHYS
资助项目National Natural Science Foundation of China[92255301] ; National Natural Science Foundation of China[42072026] ; Basic Research Special Youth Project of Yunnan Province[202001AU070145]
WOS研究方向Geology
语种英语
WOS记录号WOS:001182479100001
出版者GEOLOGICAL SOC PUBL HOUSE
资助机构National Natural Science Foundation of China ; Basic Research Special Youth Project of Yunnan Province
源URL[http://119.78.100.205/handle/311034/23483]  
专题中国科学院古脊椎动物与古人类研究所
通讯作者Zhao, Wenjin
作者单位1.Qujing Normal Univ, Res Ctr Nat Hist & Culture, Qujing 655011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Vertebrate Palaeontol & Palaeoanthropol IVPP, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
推荐引用方式
GB/T 7714		 Cai, Jiachen,Sun, Haoran,Zhao, Wenjin,et al. The Early Devonian Xitun Vertebrate Fauna in South China inhabited a shallow marine environment with changing salinity[J]. JOURNAL OF THE GEOLOGICAL SOCIETY,2024,181(3):14.
APA Cai, Jiachen,Sun, Haoran,Zhao, Wenjin,Wang, Jianhua,&Zhu, Min.(2024).The Early Devonian Xitun Vertebrate Fauna in South China inhabited a shallow marine environment with changing salinity.JOURNAL OF THE GEOLOGICAL SOCIETY,181(3),14.
MLA Cai, Jiachen,et al."The Early Devonian Xitun Vertebrate Fauna in South China inhabited a shallow marine environment with changing salinity".JOURNAL OF THE GEOLOGICAL SOCIETY 181.3(2024):14.

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来源：古脊椎动物与古人类研究所

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