Biogeochemical cycling of sulfur, manganese and iron in ferruginous limnic analog of Archean ocean

The early evolution of life on Earth was intimately coupled with the evolution of ocean chemical composition and redox conditions in Archean ocean. However, the measurements of chemical and isotopic compositions of Archean sedimentary rocks does not provide sufficient information for understanding t...

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Bibliographic Details
Published in:Geochimica et cosmochimica acta 2021-03, Vol.296, p.56-74
Main Authors: Boyko, Valeria, Avetisyan, Khoren, Findlay, Alyssa, Guo, Qingjun, Yang, Xi, Pellerin, André, Kamyshny, Alexey
Format: Article
Language:English
Subjects:
Analog of Archean ocean
Ferruginous lake
Iron
Manganese
Sulfur
Sulfur isotope fractionation
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Summary:The early evolution of life on Earth was intimately coupled with the evolution of ocean chemical composition and redox conditions in Archean ocean. However, the measurements of chemical and isotopic compositions of Archean sedimentary rocks does not provide sufficient information for understanding the biogeochemical processes that characterized oceans during this period. In this research, the cycling of the redox-sensitive elements in the water column and sediments of the seasonally stratified Lake Sihailongwan, China, was studied. It was found that during the stratification, the concentrations of sulfate ions in the epilimnion were
ISSN:0016-7037
1872-9533
DOI:10.1016/j.gca.2020.12.020