Landslides that are broken during movement into chaotic masses of small blocks, rock fragments, or individual grains. The basal failure surface of most such slides is within a few meters of the land surface
Montana Bureau of Mines and Geology (MBMG), Earthquake Studies Office, Glossary of Earthquake Terms, MT, USA 2012. http://mbmgquake.mtech.edu/glossary.html, (ND/ Erthq - Amer) {136}