The BGS Lexicon of Named Rock Units — Result Details

Mass movement deposits

Computer Code: MASMD Preferred Map Code: notEntered
Status Code: Full
Age range: Phanerozoic Eon (FH) — Phanerozoic Eon (FH)
Lithological Description: Mass movement deposits are those formed by the outward and downward gravitational movement of earth material on slopes without the aid of running water as a transportational agent. This definition does not deny the importance of water or ice, as destabilising factors. It excludes subsidence and other mass movement on flat ground.
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: none recorded or not applicable
Geographical Limits: none recorded or not applicable
Parent Unit: Superficial deposits (SUPD)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
McMillan, A A and Powell, J H. 1999. The classification of artificial (man made) ground and natural superficial deposits. British Geological Survey Research Report, RR/99/04. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable