This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows erosional remnants of layered rock and large windblown ripples on the floor of a crater in the Tyrrhena Terra region of Mars. The layered rocks are most likely sedimentary.
Location near: 15.5Â°S, 270.5Â°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Autumn