This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows dark slope streaks formed on dust-mantled mountains of the Lycus Sulci region, west of the giant volcano, Olympus Mons. Despite their fluid-like appearance, dark slope streaks form in very dry dust.
Location near: 18.3Â°N, 142.4Â°W
Image width: ~3 km (~1.9 mi)
Illumination from: lower left
Season: Northern Winter