Discovery of olivine in the Nili fossae region of Mars
Abstract
We have detected a 30,000-square-kilometer area rich in olivine in the Nili Fossae region of Mars. Nili Fossae has been interpreted as a complex of grabens and fractures related to the formation of the Isidis impact basin. We propose that post-impact faulting of this area has exposed subsurface layers rich in olivine. Linear mixture analysis of Thermal Emission Spectrometer spectra shows surface exposures of 30% olivine, where the composition of the olivine ranges from Fo 30 to Fo 70 .
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On Mars ultramafic and serpentinized rocks have been found, with the olivine on Mars having an even higher iron content than that found on Earth.
“On Mars ultramafic and serpentinized rocks have been found, with the olivine on Mars having an even higher iron content than that found on Earth (Hoefen et al., 2003; Christensen et al., 2004; Ehlmann et al., 2010; Holm et al., 2015; Tutolo and Tosca, 2023).”
From Serpentinization as the source of energy, electrons, organics, catalysts, nutrients and pH gradients for the origin of LUCA and life (2023) · cites this paper as Hoefen et al., 2003
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References 21 · Cited by 331
- Authors
- Hoefen, T. M., Clark, R. N., Bandfield, J. L., Smith, M. D., Pearl, J. C., & Christensen, P. R.
- Affiliations
- United States Geological Survey (US)
- Corresponding author
- Hoefen, Todd M.
- Venue
- Science
- Published
- 2003-10-24
- Volume
- 302
- Issue
- 5645
- Pages
- 627-630
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2080404807
- Cited by
- 331
- References
- 21
- Citations by year
- 2026: 18 · 2025: 16 · 2024: 11 · 2023: 15 · 2022: 16 · 2021: 14 · 2020: 13 · 2019: 8 · 2018: 17 · 2017: 13 · 2016: 7 · 2015: 10 · 2014: 13 · 2013: 8 · 2012: 19
- FWCI
- 9.06
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Science (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Planetary Science and Exploration
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astro and Planetary Science
- Physical Sciences › Computer Science › Artificial Intelligence › Geochemistry and Geologic Mapping
- Keywords
- olivine, Nili Fossae, Mars, olivine fayalite content, Thermal Emission Spectrometer, Mars mineralogy
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