Cited by 185Geological and Geochemical AnalysisAstro and Planetary ScienceHigh-pressure geophysics and materials

Nitrogen speciation in upper mantle fluids and the origin of Earth's nitrogen-rich atmosphere

Mikhail, Sami, Sverjensky, Dimitri A.·2014·Nature Geoscience

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Crossref · 10.1038/ngeo2271

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  • Some of the upper mantle today lies within the stability field for ammonium.

    “Even today, some of the upper mantle lies within the stability field for ammonium, so that increased oxidation of the early mantle and mantle wedge could have caused more subducted nitrogen to outgas as N2 (145).”

    From The Archean atmosphere (2020) · cites this paper as [145]

  • Low N/C in today's mid-ocean ridge source basalts suggests considerable N2 degassing once the upper mantle became oxidized.

    “However, low N/C in today’s mid-ocean ridge source basalts (144) suggests considerable N2 degassing once the upper mantle became oxidized because then nitrogen became insoluble in magmas and upper mantle fluids (145).”

    From The Archean atmosphere (2020) · cites this paper as [145]

  • Once the upper mantle became oxidized, nitrogen became insoluble in magmas and upper mantle fluids.

    “However, low N/C in today’s mid-ocean ridge source basalts (144) suggests considerable N2 degassing once the upper mantle became oxidized because then nitrogen became insoluble in magmas and upper mantle fluids (145).”

    From The Archean atmosphere (2020) · cites this paper as [145]

  • Increased oxidation of the early mantle and mantle wedge could have caused more subducted nitrogen to outgas as N2.

    “Even today, some of the upper mantle lies within the stability field for ammonium, so that increased oxidation of the early mantle and mantle wedge could have caused more subducted nitrogen to outgas as N2 (145).”

    From The Archean atmosphere (2020) · cites this paper as [145]

  • N2 likely was outgassed and built up during the Archean eon and became the main atmospheric species besides CO2.

    “N 2 likely has been outgassed and built up during the Archean eon (Mikhail and Sverjensky 2014; Som et al. 2016; Lammer et al. 2018; Lammer et al. 2019; St¨ ueken et al. 2020; Sproß et al. 2021), and became the main atmospheric species besides CO 2 .”

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Authors
Mikhail, S., & Sverjensky, D. A.
Affiliations
  • Carnegie Institution for Science (US)
  • Johns Hopkins University (US)
Corresponding author
Mikhail, Sami
Venue
Nature Geoscience
Published
2014-10-19
Volume
7
Issue
11
Pages
816-819
ISSN
  • 1752-0894 (ISSN-L)
  • 1752-0908
OpenAlex
W1965463279
Cited by
185
References
30
Citations by year
2026: 10 · 2025: 16 · 2024: 13 · 2023: 16 · 2022: 17 · 2021: 16 · 2020: 23 · 2019: 22 · 2018: 12 · 2017: 18 · 2016: 16 · 2015: 5
FWCI
11.57
Type
journal article
Language
en
Open access
closed
Locations
Nature Geoscience (publishedVersion)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › Geological and Geochemical Analysis
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astro and Planetary Science
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › High-pressure geophysics and materials
Keywords
nitrogen speciation, mantle-derived fluids, nitrogen-rich atmosphere, atmospheric nitrogen, subduction zone, ammonium, volatile degassing, plate tectonics, Venus atmosphere, Mars atmosphere, noble gases, thermodynamic calculation, aqueous liquid

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