- Surface movement of
earth materials induced by gravity.
Source: Leet, L. Don. 1982.
Physical Geology, 6th Edition. Englewood Cliffs, NJ: Prentice-Hall
- The unit movement of a portion of the land surface; specif. the
gravitative transfer of material down a slope. Syn: mass-wasting AGI
Dictionary of Mining, Mineral, and Related Terms