Where Do Slumps Occur

Slump is common where clay-rich materials are exposed along a steep slope. Such oversteepend slopes naturally occur on the outside of meanders along the Red River. Slump is typically identified as the downward movement of a block of earth material along some curved surface of failure.

Where is creep most likely to occur?

When mass wasting by flow occurs so slowly that it cannot be observed, it is called creep. Most vegetated slopes in humid climates are subject to soil creep, and there are many indicators that it occurs. Poles and fence posts often tip away from a slope a few years after they are emplaced.

Where does rotational slump occur?

Rotational slumping occurs in: ​weak rocks, e.g. clays and shales. unconsolidated material, e.g. boulder clay, sands, gravels. in rocks with complex geology, e.g. where permeable rock strata overlie impermeable beds.