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What is a slump landslide?
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What does a slump mean?
A slump is a form of mass wasting that occurs when a coherent mass of loosely consolidated materials or a rock layer moves a short distance down a slope. Movement is characterized by sliding along a concave-upward or planar surface.
May 14, 2018 · Like the term mudslide, slump is frequently used but is not defined in the classification system used by most landslide specialists. Depending on the type of earth material involved, a slump can be properly described as a rock slide, debris slide, or earth slide with predominantly rotational movement.
May 22, 2024 · Introduction. This glossary contains brief definitions of technical geologic terms prepared by the NPS Geologic Resources Inventory (GRI) program and used in GRI publications and NPS geology and minerals websites.
Quick Reference. A form of mass movement (also called a single rotational slide) where rock and soil rotate backwards with movement down a concave face: ‘a more or less rotational movement, about an axis that is parallel to the slope contours, involving shear displacement along a concavely up-ward facing failure surface’ (D. Varnes1978).
Contents. slump structure. geology. Learn about this topic in these articles: deformation of sedimentary rock. In sedimentary rock: Deformation structures. structures, (2) convoluted structures, (3) slump structures, (4) injection structures, such as sandstone dikes or sills, and (5) organic structures.
Slumps and slides are downslope movements of sediments above a basal shear surface where there is, respectively, significant and insignificant internal distortion of the bedding ( Stow, 1986 ). In slumps, the bedding should be recognizable, otherwise they classify as debris flows.
A slump is a form of mass wasting that occurs when a coherent mass of loosely consolidated materials or a rock layer moves a short distance down a slope. Movement is characterized by sliding along a concave-upward or planar surface.
