3 August 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows yardangs, a ridge-and-groove landform produced by wind erosion of a granular, sand-rich bedrock. These are located west-southwest of the volcano, Olympus Mons. Yardangs are common on Mars, especially in the regions west and southwest of Olympus Mons, in southern Amazonis Planitia.
Location near: 14.8°N, 146.6°W
Image width: width: ~3 km (~1.9 mi)
Illumination from: lower left
Season: Northern Autumn