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Evaluating the role of sulfide-weathering in the formation of sulfates or carbonates on Mars

Mangold, N.; Chevrier, V.; Dehouck, E. +3 more

Orbital and landed missions to Mars have revealed complex sulfate- and Fe-oxide-bearing mineralogical assemblages, which have been interpreted as the result of a late planet-wide acidic period due to large SO₂ emissions. However, this global scenario does not explain the recent discovery of Hesperian and Noachian-aged carbonates in seve…