Oxygen, iron, and sulfur geochemical cycles on early Earth: Paradigms and contradictions

Hiroshi Ohmoto, Yumiko Watanabe, Antonio C. Lasaga, Hiroshi Naraoka, Ian Johnson, Jamie Brainard, Andrew Chorney

Research output: Chapter in Book/Report/Conference proceedingChapter

14 Citations (Scopus)

Abstract

The current understanding of the evolution of the atmosphere, hydrosphere, and biosphere on early Earth has been strongly influenced by the following six major paradigms for the geochemical cycles of oxygen, iron, and sulfur: (1) a dramatic change from a reducing to an oxidizing atmosphere at ca. 2.4-2.2 Ga, termed the "Great Oxidation Event" (GOE); (2) Fe-rich oceans until ca. 1.85 Ga; (3) a hydrothermal origin for the global oceanic Fe; (4) SO4 2-poor oceans before the GOE; (5) an atmospheric origin for the oceanic sulfur species; and (6) the existence of sulfi dic Proterozoic oceans. Each of the six paradigms has been built on other paradigms, such as those concerning: (1) the behavior of Fe during soil formation, (2) the environments and processes required for the formation of FeIII oxides in banded iron formations (BIFs), and (3) the origins of siderite and pyrite, as well as (4) the origin of anomalous isotope fractionation of sulfur (AIF-S) in Archean sedimentary rocks. Here, we show that.

Original languageEnglish
Title of host publicationEarth's Early Atmosphere and Surface Environment
PublisherGeological Society of America
Pages55-95
Number of pages41
ISBN (Print)9780813725048
DOIs
Publication statusPublished - Jan 1 2014

Publication series

NameSpecial Paper of the Geological Society of America
Volume504
ISSN (Print)0072-1077

Fingerprint

geochemical cycle
early Earth
sulfur
iron
oxygen
ocean
oxidation
hydrosphere
banded iron formation
atmosphere
siderite
biosphere
sedimentary rock
Archean
Proterozoic
pyrite
fractionation
oxide
isotope

All Science Journal Classification (ASJC) codes

  • Geology

Cite this

Ohmoto, H., Watanabe, Y., Lasaga, A. C., Naraoka, H., Johnson, I., Brainard, J., & Chorney, A. (2014). Oxygen, iron, and sulfur geochemical cycles on early Earth: Paradigms and contradictions. In Earth's Early Atmosphere and Surface Environment (pp. 55-95). (Special Paper of the Geological Society of America; Vol. 504). Geological Society of America. https://doi.org/10.1130/2014.2504(09)

Oxygen, iron, and sulfur geochemical cycles on early Earth : Paradigms and contradictions. / Ohmoto, Hiroshi; Watanabe, Yumiko; Lasaga, Antonio C.; Naraoka, Hiroshi; Johnson, Ian; Brainard, Jamie; Chorney, Andrew.

Earth's Early Atmosphere and Surface Environment. Geological Society of America, 2014. p. 55-95 (Special Paper of the Geological Society of America; Vol. 504).

Research output: Chapter in Book/Report/Conference proceedingChapter

Ohmoto, H, Watanabe, Y, Lasaga, AC, Naraoka, H, Johnson, I, Brainard, J & Chorney, A 2014, Oxygen, iron, and sulfur geochemical cycles on early Earth: Paradigms and contradictions. in Earth's Early Atmosphere and Surface Environment. Special Paper of the Geological Society of America, vol. 504, Geological Society of America, pp. 55-95. https://doi.org/10.1130/2014.2504(09)
Ohmoto H, Watanabe Y, Lasaga AC, Naraoka H, Johnson I, Brainard J et al. Oxygen, iron, and sulfur geochemical cycles on early Earth: Paradigms and contradictions. In Earth's Early Atmosphere and Surface Environment. Geological Society of America. 2014. p. 55-95. (Special Paper of the Geological Society of America). https://doi.org/10.1130/2014.2504(09)
Ohmoto, Hiroshi ; Watanabe, Yumiko ; Lasaga, Antonio C. ; Naraoka, Hiroshi ; Johnson, Ian ; Brainard, Jamie ; Chorney, Andrew. / Oxygen, iron, and sulfur geochemical cycles on early Earth : Paradigms and contradictions. Earth's Early Atmosphere and Surface Environment. Geological Society of America, 2014. pp. 55-95 (Special Paper of the Geological Society of America).
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