2023
DOI: 10.3390/life13122349
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Mineral Indicators of Geologically Recent Past Habitability on Mars

Roger Hart,
Dawn Cardace

Abstract: We provide new support for habitable microenvironments in the near-subsurface of Mars, hosted in Fe- and Mg-rich rock units, and present a list of minerals that can serve as indicators of specific water–rock reactions in recent geologic paleohabitats for follow-on study. We modeled, using a thermodynamic basis without selective phase suppression, the reactions of published Martian meteorites and Jezero Crater igneous rock compositions and reasonable planetary waters (saline, alkaline waters) using Geochemist’s… Show more

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