3.3- Mass Movement

Front 1

Mass Movement

Back 1

Downhill movement of unconsolidated material (stores, rock, soil or regolith) in response to gravity

Front 2

Creep

Back 2

the slowest of downhill movements, occurring on very gentle and well-vegetated slopes.
(material moves by less than 1 cm a year)

Front 3

Landslides

Back 3

rapid downhill transfers of coherent slabs of dry, consolidated and unconsolidated material occurring from slope failure as a result of a weakening on the fault plane.

Front 4

Avalanches

Back 4

Rapid mass movements of snow, ice or rock on slopes usually greater than 22 degrees but less than 60 degrees; beyond which point it is unlikely that snow packs will build up

Front 5

Rockfall

Back 5

most rapid type of mass movement, in which rocks ranging from large masses to small fragments are loosened from the face of a cliff.

Front 6

Driving force for all mass movements

Back 6

Gravity

Front 7

All mass movements occur

Back 7

On a slope

Front 8

Another name for mass movement

Back 8

Mass wasting or geohazard