NIGPAS OpenIR
Connecting the marine red beds with the onset of the Great Ordovician Biodiversification Event: A case study from the Laojianshan Formation of western Yunnan, Sibumasu Massif
Zhang, Xiao-Le (张小乐)1,2; Wang, Yi (王怿)2; Liu, Jian-Bo1; Rong, Jia-Yu (戎嘉余)2; Li, Rongyu3; Zhan, Ren-Bin (詹仁斌)2; Wu, Rong-Chang (吴荣昌)2; Tang, Peng (唐鹏)2
2019-03-01
发表期刊PALAEOWORLD
ISSN1871-174X
卷号28期号:1-2页码:211-223
摘要

Details of the onset of the Great Ordovician Biodiversification Event (GOBE) remain unclear, and an emerging picture indicates that this process may have been linked to oceanic oxygenation. To address this question, we carried out a case study involving facies analysis and sea-level reconstruction on the Early to earliest-Middle Ordovician marine red beds (MRBs) of the Laojianshan Formation, western Yunnan, Sibumasu Massif. The Laojianshan Formation, formed prior to the main pulse of the GOBE, was deposited in four sedimentary belts including the basal lag, nearshore, inner shelf, and outer shelf. Sea-level curves reconstructed based on facies analysis are comparable to those of other major paleo-plates, indicating a eustatic control. The MRBs are widely distributed from the nearshore to the outer shelf belts, in which shelf deposition constitutes the major part. No explicit relationships between nearshore MRBs and sea level are found; however, shelf MRBs consistently coincided with transgressive intervals. The shelf MRBs generally indicate a very low organic carbon burial rate, which could be the result of a higher oxygen content in the ocean water and lower primary productivity. Comparative studies show that widespread shelf MRBs characterize the study interval while black shales were deposited in deeper settings, indicating widespread oxygenation in the pre-Darriwilian shelf, beyond which anoxia was largely restricted to the deeper ocean. Oxygenation may have ended the biomere-associated extinctions since the late Cambrian and promoted the onset of the GOBE. (C) 2018 Elsevier Ireland Ltd Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. Published by Elsevier B.V. All rights reserved.

关键词Mrbs Sedimentology Climatic Cooling Sea Level Oxygenation Carbon Burial
DOI10.1016/j.palwor.2018.04.003
语种英语
关键词[WOS]South China ; Armorican Massif ; Yangtze Platform ; Black Shales ; Middle ; Graptolites ; Oxygen ; Ocean ; Geochemistry ; Volcanism
资助项目IGCP[653] ; National Natural Science Foundation of China[41530103] ; National Natural Science Foundation of China[41521061] ; National Natural Science Foundation of China[41272035] ; National Natural Science Foundation of China[41221001] ; National Natural Science Foundation of China[41290260] ; National Natural Science Foundation of China[41172013] ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology (NIGP), Chinese Academy of Sciences (CAS)
WOS研究方向Paleontology
WOS类目Paleontology
WOS记录号WOS:000463600800018
项目资助者IGCP ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology (NIGP), Chinese Academy of Sciences (CAS)
出版者ELSEVIER SCIENCE BV
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/15826
专题中国科学院南京地质古生物研究所
其他
通讯作者Liu, Jian-Bo
作者单位1.Peking Univ, Paleontol & Stratig Sch Earth & Space Sci, Beijing 100871, Peoples R China
2.Chinese Acad Sci, NIGP, State Key Lab Palaeobiol & Stratig LPS, Nanjing 210008, Jiangsu, Peoples R China
3.Brandon Univ, Dept Geol, Brandon, MB R7A 6A9, Canada
推荐引用方式
GB/T 7714
Zhang, Xiao-Le ,Wang, Yi ,Liu, Jian-Bo,et al. Connecting the marine red beds with the onset of the Great Ordovician Biodiversification Event: A case study from the Laojianshan Formation of western Yunnan, Sibumasu Massif[J]. PALAEOWORLD,2019,28(1-2):211-223.
APA Zhang, Xiao-Le .,Wang, Yi .,Liu, Jian-Bo.,Rong, Jia-Yu .,Li, Rongyu.,...&Tang, Peng .(2019).Connecting the marine red beds with the onset of the Great Ordovician Biodiversification Event: A case study from the Laojianshan Formation of western Yunnan, Sibumasu Massif.PALAEOWORLD,28(1-2),211-223.
MLA Zhang, Xiao-Le ,et al."Connecting the marine red beds with the onset of the Great Ordovician Biodiversification Event: A case study from the Laojianshan Formation of western Yunnan, Sibumasu Massif".PALAEOWORLD 28.1-2(2019):211-223.
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