Corrasion is a geomorphological term for the process of mechanical erosion of the earth's surface caused when materials are transported across it by running water, waves, glaciers, wind or gravitational movement downslope.[1] An example is the wearing away of rock on a river or seabed by the impact or grinding action of particles moving with the water.[2] The resultant effect on the rock is called abrasion.

See also


  1. Whittow, John (1984). Dictionary of Physical Geography. London: Penguin, p. 119. ISBN 0-14-051094-X.
  2. Huggett, Richard John (2007). Fundamentals of Geomorphology. Routledge, London.
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