Movement of material in air
material is cohesive but slides down plain or surface(sediment layers, faults, joints) A type of mass movement.
Viscous fluid and hapens during warming tempuratures
Almost imperceptable down slope movement of materials
rock or sediment moves downhill along a curved slope
An earthflow is a downslope viscous flow of fine-grained materials that have been saturated with water, and moves under the pull of gravity
a fluid or hardened stream or avalanche of mud.