Archean to early Paleoproterozoic iron formations document a transition in iron oxidation mechanisms

C Wang, LJ Robbins, NJ Planavsky, NJ Beukes… - … et Cosmochimica Acta, 2023 - Elsevier
It is generally accepted that photosynthetic marine planktonic bacteria were responsible for
the oxidation of dissolved ferrous iron (Fe (II)) and the subsequent deposition of iron …

[HTML][HTML] Hydrothermal vent fluid-seawater mixing and the origins of Archean iron formation

NJ Tosca, BM Tutolo - Geochimica et Cosmochimica Acta, 2023 - Elsevier
Precambrian iron formation provides valuable windows onto ancient marine environments,
but exactly how these Fe-and Si-rich chemical sedimentary rocks formed have remained a …

Nanoparticulate apatite and greenalite in oldest, well-preserved hydrothermal vent precipitates

B Rasmussen, JR Muhling, NJ Tosca - Science Advances, 2024 - science.org
Paleoarchean jaspilites are used to track ancient ocean chemistry and photoautotrophy
because they contain hematite interpreted to have formed following biological oxidation of …

Trace elements (REE+ Y) reveal marine, subaerial, and hydrothermal controls on an early Archean habitat for life: The 3.48 Ga volcanic-caldera system of the dresser …

T Djokic, R Bolhar, LA Brengman, JR Havig… - Chemical …, 2024 - Elsevier
Host to some of Earth's earliest evidence of life, the fossiliferous lowermost chert-barite
sequence (DFc1) in the∼ 3.5 Ga Dresser Formation of the Pilbara Craton, Western Australia …

[HTML][HTML] 条带状铁建造的原始矿物组成: 进展与问题

王长乐, 高亮, 谢尚君, 张新, 彭自栋, 董志国, 白阳… - 岩石学报, 2024 - dzkx.org
原生矿物信息作为前寒武纪条带状铁建造(BIF) 研究的最基本命题, 是研究BIF
成矿规律及其早期地球环境效应的基础. 长期以来, 将低级变质且保存部分原始矿物及沉积结构 …

Origin of the giant Devonian Daxigou sedimentary siderite deposit, Central China

YJ Lyu, MF Zhou, RZ Hu, ZR Liu, Y Zhao - Mineralium Deposita, 2024 - Springer
Sedimentary Fe deposits are both scientifically and economically important. As a major ore
mineral of these deposits, siderite is generally assumed to have been formed via diagenetic …