Cited by 383Planetary Science and ExplorationAstro and Planetary ScienceGeochemistry and Elemental Analysis

Geologic setting of serpentine deposits on Mars

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Ehlmann, B. L., Mustard, J. F., Murchie, S. L.·2010·Geophysical Research Letters

Abstract

Serpentine, recently discovered on Mars using Mars Reconnaissance Orbiter data, is uncommon but found in three geologic settings: (1) in mélange terrains at the Claritas Rise and the Nili Fossae, (2) associated with a few southern highlands impact craters, and (3) associated with a regional olivine‐rich stratigraphic unit near the Isidis basin. Any presently active serpentinization processes would be occurring beneath the surface and mineral products would not be apparent with surface and orbital data; however, finding serpentine in several Noachian terrains indicates active serpentinization processes in Mars' past. Important implications are the past production of magnetite, which may contribute to chemical remnant magnetization of Mars' crust, and production of H 2, which is a suitable energy source for chemosynthetic microbial life.

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Crossref · 10.1029/2010gl042596

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  • There is evidence that serpentinization once occurred on Mars and is likely still occurring on Saturn's icy moon Enceladus.

    “There is evidence that serpentinization once occurred on Mars and is likely still occurring on Saturn’s icy moon Enceladus, providing a perspective on serpentinization as a source of reductants, catalysts and chemical disequilibrium for life on other worlds.”

    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 Ehlmann et al., 2010

    The Conclusions (§5, paragraph 16; page not provided) state that serpentinization operated on Mars in the past and produced H₂, a potential energy source for life. The paper does not address Enceladus or support the claim that serpentinization is likely still occurring there. (LLM, conf=0.89)

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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 Ehlmann et al., 2010

    The Introduction and Discussion report serpentine-bearing deposits and olivine-rich rocks on Mars. The Discussion describes buried, altered ultramafic rocks as a plausible hypothesis, not an established finding, and the paper does not compare the iron content of Martian and terrestrial olivine. (LLM, conf=0.86)

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Research works printed but not linked: 2

  1. [7]7. Evans, B. W. (2004), The serpentine multisystem revisited, in Serpentine and Serpentinites, Int. Book Ser., vol. 8, edited by W. G. Ernst, pp. 5-32, Geol. Soc. of Am., Columbia, Md.
  2. [20]20. Nazarova, K. A., and C. G. A. Harrison (2000), Serpentinization of Martian crust and mantle and the nature of Martian magnetic anomalies, Eos Trans. AGU, 81(19), Spring Meet. Suppl., Abstract GP31A-06.

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Authors
Ehlmann, B. L., Mustard, J. F., & Murchie, S. L.
Affiliations
  • Brown University (US)
  • Johns Hopkins University (US)
Venue
Geophysical Research Letters
Published
2010-03
Volume
37
Issue
6
Pages
2235
ISSN
  • 0094-8276 (ISSN-L)
  • 1944-8007
OpenAlex
W1752008511
Cited by
383
References
25
Citations by year
2026: 18 · 2025: 24 · 2024: 19 · 2023: 25 · 2022: 13 · 2021: 34 · 2020: 29 · 2019: 59 · 2018: 30 · 2017: 27 · 2016: 16 · 2015: 16 · 2014: 18 · 2013: 20 · 2012: 18
FWCI
9.81
Type
journal article
Language
en
Open access
Locations
  • Geophysical Research Letters (publishedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion)
  • LPI
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 › Earth and Planetary Sciences › Geochemistry and Petrology › Geochemistry and Elemental Analysis
Keywords
serpentine, serpentinization, Mars, Nili Fossae, impact craters, Isidis basin, Noachian, magnetite, remanent magnetization, hydrogen production

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