This image from NASA 2001 Mars Odyssey spacecraft is of Lycus Sulci, located on the western side of Olympus Mons and dominated by multi-direction ridges which contains material less resistant than the ridges to the effects of wind.
This image from NASA 2001 Mars Odyssey spacecraft is of Lycus Sulci, located on the western side of Olympus Mons and dominated by multi-direction ridges which contains material less resistant than the ridges to the effects of wind.