Mars - Viking 2 Orbiter
Aureoles at the base of Olympus Mons, Mars
Viking 2 Orbiter image of Martian Aureole units northeast of
Olympus Mons, possibly formed by massive land slides on the
flanks of the giant volcano. The image is 93 km across. North is
up.
(Viking Orbiter 043B20)
Mars
Viking Missions
Mars: Geology
Surface Processes