This basin in Ceti Mensa exposes concentric rings
in the sedimentary layers. Dark sand ripples and textures in the bedrock
suggesting wind scouring are also apparent.
Wind is a powerful, erosive force, transporting fine-grain sediments that can shape topography and expose darker material underneath the surface. One such feature of wind-scour on Mars is in Gale Crater, where scouring has created a stair-step pattern
: 9 May 2010 altitude
: 265 km
#Mars #science #NASAtwitter
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