干旱区生态环境知识资源中心(Arid): Non-zero I/(Ca plus Mg) recorded in Archean and Paleoproterozoic shallow marine Ca-carbonate sediments

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DOI	10.1016/j.precamres.2024.107350
	Non-zero I/(Ca plus Mg) recorded in Archean and Paleoproterozoic shallow marine Ca-carbonate sediments
	Fang, Hao; Fralick, Philip; Ramsay, Brittany; Tang, Dongjie; Riding, Robert
通讯作者	Tang, DJ
来源期刊	PRECAMBRIAN RESEARCH
ISSN	0301-9268
EISSN	1872-7433
出版年	2024
卷号	405
英文摘要	Marine oxygenation during the Archean and Paleoproterozoic is poorly constrained. Iodine in carbonate is a possible oxygen indicator. We obtained molar ratios of iodine to calcium-magnesium [I/(Ca + Mg)] for 2.93-2.31 Ga from shallow marine Ca-carbonate (limestone, dolostone) platform sediments at several locations in the southern Superior Province in Canada and the USA. Maximum I/(Ca + Mg) ratios obtained are 0.13, 0.26, 0.05 and 0.22 mu mol/mol, for 2.93, 2.86, 2.80 and 2.31 Ga samples, respectively. These non-zero carbonate I/(Ca + Mg) ratios indicate localized oxygen in Archean and Paleoproterozoic shallow marine environments. These data support an early origin for biological oxygen-production and, specifically, the idea that mid-late Archean oxygenation was sufficient to facilitate Ca-carbonate precipitation in shallow marine 'oxygen oases' adjacent to anoxic iron-rich seas
英文关键词	Archean Carbonate Iodate Marine Oxygenation Paleoproterozoic Sedimentary geochemistry
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001210685600001
WOS关键词	WESTERN SUPERIOR PROVINCE ; PB ZIRCON AGES ; ATMOSPHERIC OXYGEN ; TRANSVAAL SUPERGROUP ; OCEAN REDOX ; GEOCHEMISTRY ; IODINE ; RISE ; EVOLUTION ; OXIDATION
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/405219
推荐引用方式 GB/T 7714	Fang, Hao,Fralick, Philip,Ramsay, Brittany,et al. Non-zero I/(Ca plus Mg) recorded in Archean and Paleoproterozoic shallow marine Ca-carbonate sediments[J],2024,405.
APA	Fang, Hao,Fralick, Philip,Ramsay, Brittany,Tang, Dongjie,&Riding, Robert.(2024).Non-zero I/(Ca plus Mg) recorded in Archean and Paleoproterozoic shallow marine Ca-carbonate sediments.PRECAMBRIAN RESEARCH,405.
MLA	Fang, Hao,et al."Non-zero I/(Ca plus Mg) recorded in Archean and Paleoproterozoic shallow marine Ca-carbonate sediments".PRECAMBRIAN RESEARCH 405(2024).