Mass weathering wherein a mass of rock or weathered debris moves downhill along a curved shear surface

Rotational slide is a slide in which the surface of rupture is curved concavely upward and the slide movement is roughly rotational about an axis that is parallel to the ground sur...

Slumping is a term used for similar situation. Rotational slides occur when the a landslide occurs in a curved manner concave to the sky. When this type of slide occurs, the uppe...