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Mesoproterozoic oxygenated deep seawater recorded by early diagenetic carbonate concretions from the Member IV of the Xiamaling Formation, North China
Liu, Anqi1,2; Tang, Dongjie1,2; Shi, Xiaoying1,3; Zhou, Xiqiang4; Zhou, Limin5; Shang, Mohan3; Li, Yang3; Fang, Hao3
2020-06-01
Source PublicationPRECAMBRIAN RESEARCH
ISSN0301-9268
Volume341Pages:12
AbstractOxygen availability is crucial for the evolution of eukaryotes in geological history. However, the evolution of mid-Proterozoic oceanic-atmospheric redox conditions remains heavily debated, e.g., [O-2] < 0.1-1% PAL vs. > 4-8% PAL (present atmospheric level). In order to further constrain the surface oxygen levels during Mesoproterozoic, an investigation on the I/(Ca + Mg) ratios of deep-water (> 100 m) early diagenetic carbonate concretions from the shale-predominated Member IV of the Xiamaling Formation (similar to 1.4 Ga) in three sections of the North China Platform was conducted. The results show that more than half (36/47) of the I/(Ca + Mg) values obtained from the concretions are higher than 0.5 mu mol/mol (avg. 0.68), indicating non-negligible iodate retained in the porewaters where the concretions were formed. Compared with the iodine redox cycle and oxygen transportation pathway from bottom seawater to surface sediments in modern oceans, the oxygen concentration of the bottom seawater was estimated to be higher than 16-22 mu M, and the minimal atmospheric oxygen level should be higher than 6-9% PAL. This result differs from the previous estimation that the atmospheric oxygen level is lower than 0.1-1% PAL, but is consistent with the estimation of > 4-8% PAL at similar to 1.4 Ga.
KeywordBoring Billion Oxygen concentration Carbonate concretion Early diagenesis Eukaryote
DOI10.1016/j.precamres.2020.105667
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS
WOS KeywordDIFFUSIVE BOUNDARY-LAYERS ; ATMOSPHERIC OXYGEN ; OCEAN OXYGENATION ; MCARTHUR BASIN ; BLACK SHALES ; TRACE-METALS ; REDOX PROXY ; IODINE ; WATERS ; EVOLUTION
Language英语
Funding ProjectNational Natural Science Foundation of China[41930320] ; National Natural Science Foundation of China[41972028] ; Fundamental Research Funds for the Central Universities[2652018005] ; Key Research Program of the Institute of Geology & Geophysics, CAS[IGGCAS-201905]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000528207600006
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96235
Collection油气资源研究院重点实验室
Corresponding AuthorTang, Dongjie
Affiliation1.China Univ Geosci Beijing, State Key Lab Biogeol & Environm Geol, Beijing 100083, Peoples R China
2.China Univ Geosci Beijing, Inst Earth Sci, Beijing 100083, Peoples R China
3.China Univ Geosci Beijing, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
4.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing 100029, Peoples R China
5.Natl Res Ctr Geoanal, Beijing 100037, Peoples R China
Recommended Citation
GB/T 7714
Liu, Anqi,Tang, Dongjie,Shi, Xiaoying,et al. Mesoproterozoic oxygenated deep seawater recorded by early diagenetic carbonate concretions from the Member IV of the Xiamaling Formation, North China[J]. PRECAMBRIAN RESEARCH,2020,341:12.
APA Liu, Anqi.,Tang, Dongjie.,Shi, Xiaoying.,Zhou, Xiqiang.,Zhou, Limin.,...&Fang, Hao.(2020).Mesoproterozoic oxygenated deep seawater recorded by early diagenetic carbonate concretions from the Member IV of the Xiamaling Formation, North China.PRECAMBRIAN RESEARCH,341,12.
MLA Liu, Anqi,et al."Mesoproterozoic oxygenated deep seawater recorded by early diagenetic carbonate concretions from the Member IV of the Xiamaling Formation, North China".PRECAMBRIAN RESEARCH 341(2020):12.
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