Tag Archives: playas

HiRISE: Erosional window into possible playa deposits

An erosional window into possible playa deposits. This is within a large impact crater. Length of layers here might help determine it there is an alluvial or playa origin. Beautiful Mars series. [More at links]

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HiRISE: Fans and crater floor deposits southeast of Vinogradov Crater

This white, purple, and pink surface is located on the floor of an impact crater on the southeast rim of the larger Vinogradov Crater in southern Margaritifer Terra. The surface consists of what is left of a series of thin … Continue reading

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Evidence of groundwater in Arabia Terra; if on Earth, could permit microbial colonization

Monica Pondrelli [Università d'Annunzio, Italy] and colleagues investigated the Equatorial Layered Deposits (ELDs) of Arabia Terra in Firsoff crater area, Mars, to understand their formation and potential habitability. [Their report appears in the Geological Society of America Bulletin.] On the … Continue reading

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