This MOC image shows the contact between a group of yardangs, tapered ridges formed by the removal of relatively easily-eroded material e.g., sedimentary rock and a concentration of dark-toned windblown sand on the floor of a crater in Terra Sabaea
This MOC image shows the contact between a group of yardangs, tapered ridges formed by the removal of relatively easily-eroded material e.g., sedimentary rock and a concentration of dark-toned windblown sand on the floor of a crater in Terra Sabaea