The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
Abiotic methane formation during experimental serpentinization of olivine
Open accessAbstract
Significance: Abiotic methane discharged from serpentinizing rocks supplies metabolic energy to chemosynthetic microbial communities and may have done so since the earliest lifeforms evolved on Earth. Several recent reports have claimed observation of abiotic formation of methane during low-temperature serpentinization of olivine-rich rocks during laboratory experiments. However, using 13 C-labeled carbon sources, this study shows that the methane observed in such experiments is predominantly derived from background sources rather than abiotic synthesis. Conversely, more rapid production of methane is observed when an H 2 -rich vapor phase is present within the reaction vessel. Overall, the results indicate that in situ abiotic synthesis may contribute less methane to near-surface serpentinites than some recent studies have suggested.
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“For example, when pressure is low enough for gas-phase reactions, abiotic CH4 production is high (53), but it is unlikely that gas-phase reactions would occur at great depth in the crust (44).”
From Disequilibrium biosignatures over Earth history and implications for detecting exoplanet life (2018) · cites this paper as [53]
In the citing paper
“High experimental methane production has been reported (51, 52), but similar experiments with 13C-labeled carbon have shown that the methane produced is derived from background organic carbon contamination (53, 54).”
From Disequilibrium biosignatures over Earth history and implications for detecting exoplanet life (2018) · cites this paper as [53]
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Metadata
- Authors
- McCollom, T. M.
- Affiliations
- University of Colorado Boulder (US)
- Corresponding author
- McCollom, Thomas M.
- ORCID
- McCollom, Thomas M.
- Venue
- Proceedings of the National Academy of Sciences
- Publisher
- National Academy of Sciences
- Published
- 2016-11-07
- Volume
- 113
- Issue
- 49
- Pages
- 13965-13970
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- PMC
- PMC5150391
- OpenAlex
- W2551583048
- Cited by
- 241
- References
- 41
- Citations by year
- 2026: 28 · 2025: 26 · 2024: 24 · 2023: 15 · 2022: 22 · 2021: 29 · 2020: 27 · 2019: 27 · 2018: 24 · 2017: 18 · 2016: 1
- FWCI
- 15.24
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Proceedings of the National Academy of Sciences (publishedVersion)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- NSF | Directorate for Geosciences (OCE 0927744)
- Topics
- Physical Sciences › Environmental Science › Environmental Chemistry › Methane Hydrates and Related Phenomena
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Origins and Evolution of Life
- Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geochemistry and Elemental Analysis
- Keywords
- abiotic methane, serpentinization, olivine, methane origin, early life, serpentinite
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