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  2. Alluvial fan - Wikipedia

    en.wikipedia.org/wiki/Alluvial_fan

    Alluvial fans have also been found on Mars and Titan, showing that fluvial processes have occurred on other worlds. Some of the largest alluvial fans are found along the Himalaya mountain front on the Indo-Gangetic plain. A shift of the feeder channel (a nodal avulsion) can lead to catastrophic flooding, as occurred on the Kosi River fan in 2008.

  3. Tectonic influences on alluvial fans - Wikipedia

    en.wikipedia.org/wiki/Tectonic_influences_on...

    An alluvial fan could have been deposited and formed outside of a mountain range, however, thrusting of the mountain belt could cause the alluvial fan to become broken up by the new mountain forming. Thus, the alluvial fan would be split with the fan on either side of the new mountain range development and could change the steepness of the fan. [1]

  4. Geology of the Pyrenees - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_Pyrenees

    In the Pliocene, a renewed uplift started, leading to the formation of huge alluvial fans at the mountain front, a notable example being the Lannemezan alluvial fan. Another important consequence of the uplifting was peneplanation. Several peneplanation levels have been found on very different heights (3000 to 2000 m in the axial zone, close to ...

  5. Desert pavement - Wikipedia

    en.wikipedia.org/wiki/Desert_pavement

    A desert pavement, also called reg (in western Sahara), serir (in eastern Sahara), gibber (in Australia), or saï (in central Asia) [1] is a desert surface covered with closely packed, interlocking angular or rounded rock fragments of pebble and cobble size. They typically top alluvial fans. [2] Desert varnish collects on the exposed surface ...

  6. Alluvium - Wikipedia

    en.wikipedia.org/wiki/Alluvium

    The present consensus is that "alluvium" refers to loose sediments of all types deposited by running water in floodplains or in alluvial fans or related landforms. [1] [7] [8] However, the meaning of the term has varied considerably since it was first defined in the French dictionary of Antoine Furetière, posthumously published in 1690.

  7. Distributary - Wikipedia

    en.wikipedia.org/wiki/Distributary

    Distributaries are a result of river bifurcation and are often found where a river approaches a lake or an ocean and divides into distributary networks; as such they are a common feature of river deltas. [1] They can also occur inland, on alluvial fans, or where a tributary stream bifurcates as it nears its confluence with a larger stream. In ...

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  9. Geology of the Death Valley area - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_Death...

    In this arid environment, alluvial fans form at the mouth of these streams. Very large alluvial fans merged to form continuous alluvial slopes called bajadas along the Panamint Range. [33] The faster uplift along the Black Mountains formed much smaller alluvial fans because older fans are buried under playa sediments before they can grow too large.