Sand Patch, Fig. 1
From: Sand Patch
Drift deposits (sand patches and sand strips) on Mars near Arnus Vallis. Superposed ripple-like bedforms or grooves are oriented perpendicular to the orientation of elongated deposits. Prominent sand patch is shown by arrow (Bourke et al. 2004). HiRISE ESP_017696_1940 at 13.7°N, 70.3°E (NASA/JPL/UA)