NIGPAS OpenIR
Devonian-Carboniferous boundary in China
Qie, Wenkun (郄文昆)1,2,3; Sun, Yuanlin4; Guo, Wen5; Nie, Ting4; Chen, Bo(陈波)1; Song, Junjun5; Liang, Kun (梁昆)1,2; Yin, Baoan6; Han, Shupeng6; Chang, Junying3
2021-06-01
发表期刊PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS
ISSN1867-1594
卷号101期号:2页码:589-611
摘要

The Devonian-Carboniferous transition is marked by major perturbations to the Earth's climate system and marine redox conditions, a first-order mass extinction, and the succeeding marine ecosystem recovery, recording a sequence of environmental and biotic events. In South China, there exist numerous well-preserved and continuous Devonian-Carboniferous boundary successions that were formed in low-latitude passive margin basin, and this presents a unique opportunity to decipher the strata along a proximal to basinal transect using integrated biostratigraphical, event-stratigraphical, and geochemical approaches. Our geochemical data (delta C-13(carb), delta N-15(bulk), delta U-238 and Mo/U enrichments, I/Ca ratio) indicated local and global C-N cycling perturbations and marine anoxia in the main phase of the Hangenberg Crisis interval (Middle Siphonodella praesulcata Zone), which coincided with a major regression in South China. Stromatoporoid biostromes and most typical Devonian faunas did not survive into the interval, and the deep-water black shales yield only opportunistic survivors, such as ammonoid Postclymenia cf. evoluta and bivalve Guerichina, along with miospores belonging to the LN Zone. The upper Hangenberg Crisis interval (Upper Si. praesulcata Zone, equal to the Protognathodus kockeli Zone) is marked by initial post-glacial transgression, a global delta C-13(carb) spike, and opportunistic faunal blooms, coincident with conodont biofacies shift to the polygnathid-protognathodid biofacies. The Protognathodus fauna, nearly absent from platform facies, is often found in the condensed upper crisis interval of the basin, slope, and platform margin facies within the Youjiang Basin, although the abundance is extremely low and the phylogenetic lineage of Pr. meischneri-Pr. collinsoni-Pr. kockeli cannot be recognised in most successions. In South China, the first occurrence of Pr. kockeli seems to correspond to lithofacies changes, recorded in the first level of transgression just above the Hangenberg Sandstone event. Multiple lines of evidence, including great spatial heterogeneity of delta C-13(carb) and delta N-15(bulk) records, extremes of redox proxies, and lack of macrofossils, suggest that marine habitats remained in a critical/turbulent state during the Upper Si. praesulcata Zone, triggering the opportunistic blooms and minor extinctions. Following the crisis intervals, radiation/recovery of many fossil groups did not occur until the upper part of the Siphonodella sulcata Zone to the Si. duplicata Zone. In particular, a negative shift of delta C-13(carb) to pre-crisis values occurring near the base of the Si. sulcata/Pr. kuehni Zone could be recognised worldwide. The research history, current status, and achievement of Devonian-Carboniferous boundary in China are briefly reviewed.

关键词South China Hangenberg Crisis Devonian-Carboniferous transition Conodonts Opportunistic fauna Recovery Geochemistry
DOI10.1007/s12549-021-00494-z
收录类别SCI
语种英语
关键词[WOS]CARBON-ISOTOPE STRATIGRAPHY ; SEA-LEVEL ; INTEGRATIVE STRATIGRAPHY ; ENVIRONMENTAL-CHANGE ; CONODONT ; SECTION ; REDOX ; GLACIATION ; TIMESCALE ; SEQUENCE
资助项目Strategic Priority Research Program (B) of Chinese Academy of Sciences[XDB26000000] ; NSFC[91955201] ; NSFC[41772004]
WOS研究方向Biodiversity & Conservation ; Paleontology
WOS类目Biodiversity Conservation ; Paleontology
WOS记录号WOS:000659012300002
项目资助者Strategic Priority Research Program (B) of Chinese Academy of Sciences ; NSFC
出版者SPRINGER HEIDELBERG
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/38334
专题中国科学院南京地质古生物研究所
通讯作者Qie, Wenkun (郄文昆)
作者单位1.Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China
5.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
6.Guangxi Inst Reg Geol Survey, Guilin 541003, Peoples R China
7.Nanjing Univ, State Key Lab Mineral Deposits Res, Nanjing 210023, Peoples R China
8.Nanjing Univ, Sch Earth Sci & Engn, Nanjing 210023, Peoples R China
推荐引用方式
GB/T 7714
Qie, Wenkun ,Sun, Yuanlin,Guo, Wen,et al. Devonian-Carboniferous boundary in China[J]. PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS,2021,101(2):589-611.
APA Qie, Wenkun .,Sun, Yuanlin.,Guo, Wen.,Nie, Ting.,Chen, Bo.,...&Wang, Xiangdong.(2021).Devonian-Carboniferous boundary in China.PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS,101(2),589-611.
MLA Qie, Wenkun ,et al."Devonian-Carboniferous boundary in China".PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS 101.2(2021):589-611.
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