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  2. Slump (geology) - Wikipedia

    en.wikipedia.org/wiki/Slump_(geology)

    A rotational slump occurs when a slump block, composed of sediment or rock, slides along a concave-upward slip surface with rotation about an axis parallel to the slope. [3] Rotational movement causes the original surface of the block to become less steep, and the top of the slump is rotated backward.

  3. Mass wasting - Wikipedia

    en.wikipedia.org/wiki/Mass_wasting

    Mass wasting, also known as mass movement, [1] is a general term for the movement of rock or soil down slopes under the force of gravity. It differs from other processes of erosion in that the debris transported by mass wasting is not entrained in a moving medium, such as water, wind, or ice.

  4. Mudflow - Wikipedia

    en.wikipedia.org/wiki/Mudflow

    It refers to the gravity-driven failure and subsequent movement downslope of any types of surface movement of soil, rock, or other debris. The term incorporates earth slides, rock falls, flows, and mudslides, amongst other categories of hillslope mass movements. [12] They do not have to be as fluid as a mudflow.

  5. Sediment transport - Wikipedia

    en.wikipedia.org/wiki/Sediment_transport

    Movement of soil by burrowing animals; Slumping and landsliding of the hillslope; These processes generally combine to give the hillslope a profile that looks like a solution to the diffusion equation, where the diffusivity is a parameter that relates to the ease of sediment transport on the particular hillslope. For this reason, the tops of ...

  6. Landslide classification - Wikipedia

    en.wikipedia.org/wiki/Landslide_classification

    Movement is driven by shear stress, which is generated by the mass of the block acting under gravity down the slope. Resistance to movement is the result of the normal load. When the slope fills with water, the fluid pressure provides the block with buoyancy, reducing the resistance to movement.

  7. Glossary of geology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_geology

    A smoothly polished surface caused by frictional movement between rocks along the two sides of a fault. This surface is normally striated in the direction of movement. slump A form of mass wasting that occurs when a coherent mass of loosely consolidated materials or rock layers moves a short distance down a slope. snowball Earth

  8. How the Clenched Fist Became a Black Power Symbol

    www.aol.com/lifestyle/history-behind-clenched...

    At the time, the civil rights movement of the early ’60s had given birth to the Black Power movement of the late ’60s, and Black Americans were still mourning the 1968 assassination of Martin ...

  9. Volcanic landslide - Wikipedia

    en.wikipedia.org/wiki/Volcanic_landslide

    At volcanoes, the term landslide is commonly used for slope movements with shear and displacement in a relatively narrow zone. [7] They can be in the form of debris avalanches, debris flows, slumps and rockfalls. [7] [8] A debris avalanche is a sudden, very rapid flow of rock and soil in response to gravity. It is a common middle stage in the ...