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In situ evidence for serpentinization within the Máaz formation, Jezero crater, Mars

  • Nicholas J. Tosca
  • , Michael M. Tice
  • , Joel A. Hurowitz
  • , David A.K. Pedersen
  • , Jesper Henneke
  • , Lucia Mandon
  • , Francis M. McCubbin
  • , Oliver Ross
  • , Po Yen Tung
  • , Richard J. Harrison
  • , An Li
  • , Mariek E. Schmidt
  • , Tanya V. Kizovski
  • , Yang Liu
  • , Lisa Mayhew
  • , Michael W.M. Jones
  • , Josh Labrie
  • , Scott Davidoff
  • , Abigail C. Allwood
  • , Olivier Beyssac
  • Adrian Brown, Morgan Cable, Jade Comellas, Benton C. Clark, Adrian E. Galvin, Briony Horgan, Christopher M. Heirwegh, Peter Nemere, Brendan J. Orenstein, Cathy Quantin-Nataf, Clément Royer, Allan Treiman, Lawrence A. Wade, Roger Wiens, Austin P. Wright
  • University of Cambridge
  • Texas A&M University
  • Technical University of Denmark
  • UJF Grenoble 1 CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), UMR 5274
  • NASA Johnson Space Center
  • University of Washington
  • Brock University
  • California Institute of Technology
  • University of Colorado Boulder
  • Queensland University of Technology
  • Sorbonne Université
  • Plancius Research
  • University of Hawai'i at Mānoa
  • Space Science Institute
  • Purdue University
  • Université Lyon
  • Universities Space Research Association
  • Georgia Institute of Technology

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

As both a source of atmospheric H2 and a sink for liquid water, the serpentinization of olivine-bearing rocks is widely thought to have influenced the long-term evolution of the early martian atmosphere and hydrosphere. However, the mechanisms, timing, and global importance of this process are unconstrained, in part because the remnants of ancient serpentinizing systems have not been examined in situ. New geochemical and mineralogical data from multiple instruments aboard the Mars 2020 Perseverance rover record serpentinization and associated H2 production in ancient igneous rocks of the Máaz formation, exposed on the Jezero crater floor. These data, combined with petrogenetic constraints, indicate that serpentinization may have been driven by devolatilization of magmatic H2O, highlighting a potential link between H2 production and the style and tempo of magmatism within the ancient martian crust.

Original languageEnglish
Article numbereadr8793
JournalScience Advances
Volume11
Issue number27
DOIs
StatePublished - Jul 4 2025

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