Dust Devil Trails
Dunes in Abalos Undae
Sand Dunes
Disappearing Dunes
Dust Devil Trails

Dust Devil Trails

Courtesy of NASA/JPL/University of Arizona

http://hirise.lpl.arizona.edu/ESP_014426_2070


Intersecting swirling trails left by the earlier passage of dust devils across sand dunes, as they lifted lighter reddish-pink dust and exposed the darker material below. Also visible are darker slope streaks along dune edges, formed by a process which is still under investigation.