Iron isotopes in an Archean ocean analogue
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Massive iron formations, many of which appear to have formed under a water column in which iron was always more abundant than oxygen, indicate essentially oxygen-free oceans during some periods of Archean time.
“Massive iron formations-many of which appear to have formed under a water column in which iron was always more abundant than oxygen (Busigny et al. 2014, Planavsky et al. 2012)-also indicate essentially oxygen-free oceans during some periods of Archean time.”
From The History of Ocean Oxygenation (2022) · cites this paper as Busigny et al. 2014
These Mo isotope signatures likely required an oxygenated water column and delivery of Mn(IV) oxides to the sediment pile, given rapid Mn(IV) oxide reduction via Fe2+.
“These Mo isotope signatures likely required an oxygenated water column and delivery of Mn(IV) oxides to the sediment pile, given rapid Mn(IV) oxide reduction via Fe 2+ (e.g., Busigny et al., 2014).”
From Iron formations: A global record of Neoarchaean to Palaeoproterozoic environmental history (2017) · cites this paper as Busigny et al., 2014
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References 115 · Cited by 157
- Authors
- Busigny, V., Planavsky, N. J., Jézéquel, D., Crowe, S., Louvat, P., Moureau, J., Viollier, E., & Lyons, T. W.
- Affiliations
- Institut de physique du globe de Paris (FR)
- University of California, Riverside (US)
- University of British Columbia (CA)
- Corresponding author
- Busigny, Vincent
- Planavsky, Noah J.
- Venue
- Geochimica et Cosmochimica Acta
- Publisher
- Elsevier BV
- Published
- 2014-05
- Volume
- 133
- Pages
- 443-462
- ISSN
- 0016-7037 (ISSN-L)
- OpenAlex
- W2029354874
- Cited by
- 157
- References
- 115
- Citations by year
- 2026: 2 · 2025: 13 · 2024: 18 · 2023: 10 · 2022: 14 · 2021: 18 · 2020: 9 · 2019: 13 · 2018: 21 · 2017: 17 · 2016: 13 · 2015: 6 · 2014: 3
- FWCI
- 9.49
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Geochimica et Cosmochimica Acta (publishedVersion)
- HAL (submittedVersion)
- Funders
- US National Science Foundation
- Topics
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
- Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geochemistry and Elemental Analysis
- Physical Sciences › Earth and Planetary Sciences › Geophysics › Geological and Geochemical Analysis
- Keywords
- iron isotopes, Archean ocean, pyrite, redox boundary, dissolved iron, ferrous iron oxidation, iron sulfide formation, iron isotope fractionation, microbial iron cycling, upwelling, sediment core, pore water
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