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Planetary science

Hidden martian carbonates


Evidence for the sedimentary carbonate rocks proposed to be prevalent on Mars has generally been lacking. Carbonate-bearing rocks found in the Leighton Crater may be associated with the formation of methane detected in the martian atmosphere.

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Figure 1: Layered carbonate- and phyllosilicate-bearing sediments in the central peak of Leighton Crater, Mars.



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Glotch, T. Hidden martian carbonates. Nature Geosci 3, 745–746 (2010).

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