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Links More information: Publisher Index Page (via DOI) Download citation as: RIS | Dublin Core Publication type Article Publication Subtype Journal Article Title Likely ferromagnetic minerals identified by the Perseverance rover and implications for future paleomagnetic analyses of returned Martian samples Series title Journal of Geophysical Research: Planets DOI 10.1029/2024JE008505 Volume 129 Issue 9 Year Published 2024 Language English Publisher Wiley Contributing office(s) Astrogeology...
Burying Mars' ancient water in the crust Mars once had oceans of liquid water on its surface but little of that water remains today in the planet's ice caps and atmosphere. This discrepancy is usually interpreted as loss of water to space, supported by the atmospheric deuterium/hydrogen (D/H) ratio, but this has been difficult to reconcile with other constraints. Scheller et al.
Abstract Geological evidence shows that ancient Mars had large volumes of liquid water. Models of past hydrogen escape to space, calibrated with observations of the current escape rate, cannot explain the present-day D/H isotope ratio. We simulate volcanic degassing, atmospheric escape, and crustal hydration on Mars, incorporating observational constraints from spacecraft, rovers and meteorites.
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