Ridges and Crescentic Forms in Arabia Terra
HiRISE PICTURE OF THE DAY: 30 JULY 2021

Ridges and Crescents

Some of the crescent forms seem to be in strata that are below those that form the ridges in this area of Arabia Terra. However, perhaps they are banked against the ridges or maybe they compose the ridges. The crescentic forms might be a sign of wind-blown (aeolian) sandstone.



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