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  4. 中国科学院油气资源研究重点实验室
The formation of marine red beds and iron cycling on the Mesoproterozoic North China Platform

文献类型：期刊论文

作者Tang, Dongjie4,5; Ma, Jianbai2; Shi, Xiaoying2,5; Lechte, Maxwell3; Zhou, Xiqiang1
刊名AMERICAN MINERALOGIST
出版日期2020-09-01
卷号105期号:9页码:1412-1423
关键词Marine red beds hematite ferruginous dissimilatory iron reduction Xiamaling Formation oxygenation
ISSN号0003-004X
DOI10.2138/am-2020-7406
英文摘要Marine red beds (MRBs) are common in sedimentary records, but their genesis and environmental implications remain controversial. Genetic models proposed for MRBs variably invoke diagenetic or primary enrichments of iron, with vastly different implications for the redox state of the contemporaneous water column. The Xiamaling Formation (ca. 1.4 Ga) in the North China Platform hosts MRBs that offer insights into the iron cycling and redox conditions during the Mesoproterozoic Era. In the Xiamaling MRBs, well-preserved, nanometer-sized flaky hematite particles are randomly dispersed in the clay (illite) matrix, within the pressure shadow of rigid detrital grains. The presence of hematite flake aggregates with multiple face-to-edge ("cardhouse") contacts indicates that the hematite particles were deposited as loosely bound, primary iron oxyhydroxide flocs. No greenalite or other ferrous iron precursor minerals have been identified in the MRBs. Early diagenetic ankerite concretions hosted in the MRBs show non-zero I/(Ca+Mg) values and positive Ce anomalies (>1.3), suggesting active redox cycling of iodine and manganese and therefore the presence of molecular oxygen in the porewater and likely in the water column during their formation. These observations support the hypothesis that iron oxyhydroxide precipitation occurred in moderately oxygenated marine waters above storm wave base (likely <100 m). Continentally sourced iron reactivated through microbial dissimilatory iron reduction, and distal hydrothermal fluids may have supplied Fe(II) for the iron oxyhydroxide precipitation. The accumulation of the Xiamaling MRBs may imply a slight increase of seawater oxygenation and the existence of long-lasting adjacent ferruginous water mass.
WOS关键词ATMOSPHERIC OXYGEN ; CHEMICAL EVOLUTION ; OCEAN ; DEPOSITION ; SEAWATER ; HETEROGENEITY ; ENVIRONMENTS ; DIAGENESIS ; CHEMISTRY ; CARBONATE
资助项目National Natural Science Foundation of China[41930320] ; National Natural Science Foundation of China[41972028] ; Key Research Program of the Institute of Geology & Geophysics, CAS[IGGCAS-201905] ; Chinese "111" project[B20011] ; Fundamental Research Funds for the Central Universities[2652018005] ; Fundamental Research Funds for the Central Universities[2652019093] ; Fundamental Research Funds for the Central Universities[265201925] ; Fonds de Recherche du Quebec-Nature et Technologies
WOS研究方向Geochemistry & Geophysics ; Mineralogy
语种英语
WOS记录号WOS:000573885100014
出版者MINERALOGICAL SOC AMER
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Chinese "111" project ; Chinese "111" project ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fonds de Recherche du Quebec-Nature et Technologies ; Fonds de Recherche du Quebec-Nature et Technologies ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Chinese "111" project ; Chinese "111" project ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fonds de Recherche du Quebec-Nature et Technologies ; Fonds de Recherche du Quebec-Nature et Technologies ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Chinese "111" project ; Chinese "111" project ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fonds de Recherche du Quebec-Nature et Technologies ; Fonds de Recherche du Quebec-Nature et Technologies ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Key Research Program of the Institute of Geology & Geophysics, CAS ; Chinese "111" project ; Chinese "111" project ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fonds de Recherche du Quebec-Nature et Technologies ; Fonds de Recherche du Quebec-Nature et Technologies
源URL[http://ir.iggcas.ac.cn/handle/132A11/98279]  
专题地质与地球物理研究所_中国科学院油气资源研究重点实验室
通讯作者Tang, Dongjie
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing 100029, Peoples R China
2.China Univ Geosci Beijing, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
3.McGill Univ, Dept Earth & Planetary Sci, 3450 Univ St, Montreal, PQ H3A 0E8, Canada
4.China Univ Geosci Beijing, Inst Earth Sci, Beijing 100083, Peoples R China
5.China Univ Geosci Beijing, State Key Lab Biogeol & Environm Geol, Beijing 100083, Peoples R China
推荐引用方式
GB/T 7714		 Tang, Dongjie,Ma, Jianbai,Shi, Xiaoying,et al. The formation of marine red beds and iron cycling on the Mesoproterozoic North China Platform[J]. AMERICAN MINERALOGIST,2020,105(9):1412-1423.
APA Tang, Dongjie,Ma, Jianbai,Shi, Xiaoying,Lechte, Maxwell,&Zhou, Xiqiang.(2020).The formation of marine red beds and iron cycling on the Mesoproterozoic North China Platform.AMERICAN MINERALOGIST,105(9),1412-1423.
MLA Tang, Dongjie,et al."The formation of marine red beds and iron cycling on the Mesoproterozoic North China Platform".AMERICAN MINERALOGIST 105.9(2020):1412-1423.

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来源：地质与地球物理研究所

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