soil fall

soil fall
   The mass movement process, associated sediments (soil fall deposit), or resultant landform characterized by a rapid type of fall involving the relatively free, downslope movement or collapse of detached, unconsolidated soil material which falls freely through the air (lacks an underlying slip face); sediments predominantly fine earth (< 2 mm); common along undercut stream banks. Also called earth fall and (not recommended) debris fall.
   SW

Glossary of landform and geologic terms. 2013.

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