The DOI matches its Crossref record; 23 of the 23 references it cites were found in a registry or an index.
Isotopic Evidence for an Aerobic Nitrogen Cycle in the Latest Archean
Abstract
The nitrogen cycle provides essential nutrients to the biosphere, but its antiquity in modern form is unclear. In a drill core though homogeneous organic-rich shale in the 2.5-billion-year-old Mount McRae Shale, Australia, nitrogen isotope values vary from +1.0 to +7.5 per mil (per thousand) and back to +2.5 per thousand over approximately 30 meters. These changes evidently record a transient departure from a largely anaerobic to an aerobic nitrogen cycle complete with nitrification and denitrification. Complementary molybdenum abundance and sulfur isotopic values suggest that nitrification occurred in response to a small increase in surface-ocean oxygenation. These data imply that nitrifying and denitrifying microbes had already evolved by the late Archean and were present before oxygen first began to accumulate in the atmosphere.
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“The whiff is recorded by spikes in Mo and Re concentrations, elevated nitrogen isotope values, and iron speciation data (Anbar et al., 2007; Reinhard et al., 2009; Garvin et al., 2009);”
From Iron formations: A global record of Neoarchaean to Palaeoproterozoic environmental history (2017) · cites this paper as Garvin et al., 2009
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Bekker, A., Slack, J. F., Planavsky, N., Krapez, B., Hofmann, A., Konhauser, K. O., & Rouxel, O. J. (2010) · Economic Geology · doi:10.2113/gsecongeo.105.3.467 · Cited by 1,013
“A shift to predominantly positive nitrogen isotope values in Neoarchean samples is related to an emergence of nitrification and denitrification processes coeval with the appearance of oxidized environments in the ocean (Garvin et al., 2009; Godfrey and Falkowski, 2009).”
BackgroundThe Iron Biogeochemical Cycle Past and Present
Raiswell, R., & Canfield, D. E. (2012) · Geochemical Perspectives · doi:10.7185/geochempersp.1.1 · Cited by 756
“This episode of marine euxinia is correlated with other evidence for Earth surface oxygenation (Anbar et al., 2007; Garvin et al., 2009).”
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Iron formations: A global record of Neoarchaean to Palaeoproterozoic environmental history
Konhauser, K. O., Planavsky, N. J., Hardisty, D. S., Robbins, L. J., Warchola, T. J., Haugaard, R., Lalonde, S. V., Partin, C. A., Oonk, P. B. H., Tsikos, H., et al. (2017) · Earth-Science Reviews · doi:10.1016/j.earscirev.2017.06.012 · Cited by 537
“The whiff is recorded by spikes in Mo and Re concentrations, elevated nitrogen isotope values, and iron speciation data (Anbar et al., 2007; Reinhard et al., 2009; Garvin et al., 2009); based on Re-Os isotope analyses, these data can be confidently considered primary signals (Kendall et al., 2015).”
BackgroundMethodInfluentialThe evolution of Earth's biogeochemical nitrogen cycle
Stüeken, E. E., Kipp, M. A., Koehler, M. C., & Buick, R. (2016) · Earth-Science Reviews · doi:10.1016/j.earscirev.2016.07.007 · Cited by 446
“While values near 0‰ probably reflect anaerobic nitrogen cycling dominated by Mo-based N2-fixation, the moderately high values can be interpreted as evidence of an episodic or localized aerobic nitrogen cycle reminiscent of the modern ocean, featuring nitrification, denitrification, and perhaps anammox (Busigny et al.…”
Self-citation
Metadata
- Authors
- Garvin, J., Buick, R., Anbar, A. D., Arnold, G. L., & Kaufman, A. J.
- Affiliations
- University of Washington (US)
- Corresponding author
- Buick, Roger
- Venue
- Science
- Published
- 2009-02-20
- Volume
- 323
- Issue
- 5917
- Pages
- 1045-1048
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2000496027
- Cited by
- 260
- References
- 23
- Citations by year
- 2026: 6 · 2025: 21 · 2024: 14 · 2023: 11 · 2022: 18 · 2021: 18 · 2020: 13 · 2019: 14 · 2018: 20 · 2017: 17 · 2016: 8 · 2015: 11 · 2014: 12 · 2013: 23 · 2012: 18
- FWCI
- 13.73
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Science (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Origins and Evolution of Life
- Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geological and Geochemical Analysis
- Keywords
- nitrogen cycling, Archean, nitrogen isotopes, nitrification, denitrification, molybdenum, sulfur isotopes, ocean oxygenation, organic-rich shale, rock core
- MeSH terms
- Aerobiosis, Quaternary Ammonium Compounds, Anaerobiosis, Archaea, Australia, Bacteria, Biological Evolution, Nitrates, Nitrites, Nitrogen, Nitrogen Fixation, Nitrogen Isotopes, Oceans and Seas, Oxidation-Reduction, Oxygen, Time, Geologic Sediments
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