Processes
Mass Wasting
Also Known As Mass Movement
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The movement of rock or soil down slopes under gravity alone, distinct from other erosion in that the debris is not carried in a moving medium such as water, wind or ice. Creep, solifluction, rockfalls, debris flows and landslides each have their own character, the process works on terrestrial and submarine slopes alike, and while rapid events can be deadly, even slow soil creep deforms roadways, structures and pipelines.
Facts
TimescaleSeconds for a rockfall to hundreds of years for soil creep 1 Driving ForceGravity acting on slope material once its weight exceeds the material's shear strength, often triggered by heavy rainfall, earthquake shaking or slope oversteepening. 1 Resulting FeatureA rockfall can pile up as a talus slope at the base of the cliff it fell from. 1 SignificanceRapid mass-wasting events such as landslides can be deadly and destructive. 1 Cross-Tradition Connections
Associated With
Landslide and slope-stability hazards from mass wasting are a core concern of engineering geology.
It differs from other erosion in that the debris is not entrained in a moving medium.
In Discipline
A slope process shaping terrain at and near the surface.
Sources
1. Mass Wasting (Wikipedia)
Wikimedia FoundationLead sectionQuote, Lead section
Mass wasting, also known as mass movement, is a general term for the movement of rock or soil down slopes under the force of gravity.
View the Source 1. Mass Wasting (Wikipedia)
Wikimedia FoundationDeposits and landformsQuote, Deposits and landforms
Rockfall can produce talus slopes at the feet of cliffs.
View the Source 1. Mass Wasting (Wikipedia)
Wikimedia FoundationHazards and mitigationQuote, Hazards and mitigation
Rapid mass wasting events, such as landslides, can be deadly and destructive.
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