Multiple Slip Face Dunes

This HiRISE image shows the complex nature of sand dunes in the Vastitas Borealis region of Mars, just south of the north polar region. The broad shapes of the dunes are formed by variations in the regional winds. But the high spatial resolution of HiRISE enables recognition of finer textures, a thumbprint texture of linear dunes on the broader dune forms. Study of this texture can add insight on aeolian processes in this region of Mars. ASU-IPF-3006

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