Tag Archives: water-related minerals

HiRISE: Possible aqueous sediments in Hellas Planitia

Possible aqueous sediments in Hellas Planitia. Beautiful Mars series.

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HiRISE: Oblique view of uplifted rocks

This image shows part of the central uplifted region of an impact crater more than 50 kilometers wide. That means that the bedrock has been raised from a depth of about 5 kilometers, exposing ancient materials. The warm (yellowish-reddish) colors … Continue reading

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HiRISE: The plains are not plain

This image covers some of the plains south of Capri Chasma in eastern Valles Marineris. Where the aeolian (wind-blown) sedimentary cover has been stripped away, we see diverse colors indicative of of a variety of altered minerals formed in Mars’ … Continue reading

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Ancient watery environments at Endeavour Crater

A new paper in Science from a team led by Raymond Arvidson (Washington University) and Steven Squyres (Cornell University) reports on water-related minerals found by the Mars Exploration Rover Opportunity, which reached Endeavour Crater in August 2011. The paper is … Continue reading

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