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  2. Exfoliating granite - Wikipedia

    en.wikipedia.org/wiki/Exfoliating_granite

    Exfoliating slabs of granite, on Half Dome in Yosemite National Park, USA. Exfoliating granite is a granite undergoing exfoliation, or onion skin weathering (desquamation).The external delaminated layers of granite are gradually produced by the cyclic variations of temperature at the surface of the rock in a process also called spalling.

  3. Weathering - Wikipedia

    en.wikipedia.org/wiki/Weathering

    Thermal stress weathering is an important mechanism in deserts, where there is a large diurnal temperature range, hot in the day and cold at night. [14] As a result, thermal stress weathering is sometimes called insolation weathering, but this is misleading. Thermal stress weathering can be caused by any large change of temperature, and not ...

  4. Grus (geology) - Wikipedia

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

    Grus is an accumulation of angular, coarse-grained fragments (particles of sand and gravel) resulting from the granular disintegration by the processes of chemical and mechanical weathering of crystalline rocks (most notably granitoids) generally in an arid or semiarid region. [1] Grus sand, when cemented into a sandstone, will form an arkose.

  5. Denudation - Wikipedia

    en.wikipedia.org/wiki/Denudation

    Denudation incorporates the mechanical, biological, and chemical processes of erosion, weathering, and mass wasting. Denudation can involve the removal of both solid particles and dissolved material. These include sub-processes of cryofracture, insolation weathering, slaking , salt weathering, bioturbation , and anthropogenic impacts.

  6. Frost weathering - Wikipedia

    en.wikipedia.org/wiki/Frost_weathering

    Frost weathering is a collective term for several mechanical weathering processes induced by stresses created by the freezing of water into ice. The term serves as an umbrella term for a variety of processes, such as frost shattering, frost wedging, and cryofracturing.

  7. Honeycomb weathering - Wikipedia

    en.wikipedia.org/wiki/Honeycomb_weathering

    Many explanations have been proposed for honeycomb and other cavernous weathering. These explanations include marine abrasion; wind corrosion; mechanical weathering resulting from short-term temperature variations; chemical weathering of the interior of the rock (core-softening) under a protective crust (case-hardening) followed by mechanical removal of the softened material; biogeochemical ...

  8. Plucking (glaciation) - Wikipedia

    en.wikipedia.org/wiki/Plucking_(glaciation)

    Plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the weathering and erosion of pieces of bedrock, especially large "joint blocks". This occurs in a type of glacier called a "valley glacier".

  9. Rockfall - Wikipedia

    en.wikipedia.org/wiki/Rockfall

    Favourable geology and climate are the principal causal mechanisms of rockfall, factors that include intact condition of the rock mass, discontinuities within the rockmass, weathering susceptibility, ground and surface water, freeze-thaw, root-wedging, and external stresses. A tree may be blown by the wind, and this causes a pressure at the ...

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