Methylhopane biomarker hydrocarbons in Hamersley Province sediments provide evidence for Neoarchean aerobiosis
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The spatial distribution of AIDP-2 and AIDP-3 brackets and nearly spans the entire stratigraphic section from which other Pilbara biomarkers have been reported.
“The spatial distribution of AIDP-2 and AIDP-3 geographically brackets and nearly spans the entire stratigraphic section from which all of the other Pilbara biomarkers have been previously reported (1,3,4,21).”
From Reappraisal of hydrocarbon biomarkers in Archean rocks (2015) · cites this paper as [4]
Sawing can add significant but variable hydrocarbon contaminants to the substrate, yet cumulative blanks in previous studies did not record the contribution from sawing.
“the analyses of the saw blade (before it was heat treated) and the sawed surfaces of the RHDH2A quarter-core highlight that sawing can contribute significant but variable hydrocarbon contaminants to the substrate, yet the cumulative blanks reported in previous studies did not record the hydrocarbon contribution from sawing (1,4,6,7).”
From Reappraisal of hydrocarbon biomarkers in Archean rocks (2015) · cites this paper as [4]
According to H/C ratios and other thermal history indicators, the metamorphic grades of AIDP-2 and AIDP-3 are similar to or lower than those of rocks from which biomarkers were previously reported.
“According to currently available H/C ratios and other indicators of thermal history, the metamorphic grades of AIDP-2 and AIDP-3 are similar to (1-4, 6, 7, 15, 21, 26) or lower than (5,22,23) the metamorphic grades of the rocks from which biomarkers have been previously reported.”
From Reappraisal of hydrocarbon biomarkers in Archean rocks (2015) · cites this paper as [4]
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- Authors
- Eigenbrode, J. L., Freeman, K. H., & Summons, R. E.
- Affiliations
- Pennsylvania State University (US)
- Massachusetts Institute of Technology (US)
- Corresponding author
- Eigenbrode, Jennifer L.
- Venue
- Earth and Planetary Science Letters
- Publisher
- Elsevier BV
- Published
- 2008-09
- Volume
- 273
- Issue
- 3-4
- Pages
- 323-331
- ISSN
- 0012-821X (ISSN-L)
- OpenAlex
- W2014523333
- Cited by
- 150
- References
- 91
- Citations by year
- 2026: 6 · 2025: 4 · 2024: 7 · 2023: 3 · 2021: 3 · 2020: 6 · 2019: 4 · 2018: 13 · 2017: 9 · 2016: 4 · 2015: 10 · 2014: 15 · 2013: 13 · 2012: 17
- FWCI
- 8.24
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Earth and Planetary Science Letters (publishedVersion)
- Funders
- NASA Astrobiology Institute (NNA04CC09A-CIW, NNA04CC06A-PSU)
- National Aeronautics and Space Administration (NGT5-40090)
- American Association of Petroleum Geologists
- National Science Foundation (EAR-00-80267, EAR-00-73831, NNG05GN62G, OCE-0434846, EAR0418619)
- Carnegie Institution of Washington
- 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 › Environmental Science › Environmental Chemistry › Methane Hydrates and Related Phenomena
- Keywords
- bacteriohopanepolyols, Neoarchean, Hamersley Province, Pilbara Craton, cyanobacteria, methanotrophic bacteria, aerobic methane oxidation, carbon isotopes, kerogen, shallow-water sediments, Proterozoic sediments
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