This is the current revision of Alluvial fan
as edited by Philip J. Rayment (Talk | contribs)
at 07:56, 9 December 2007
. This URL
is a permanent link to this version of this page.
An alluvial fan
is a fan-shaped pile of sediment
that forms where a rapidly flowing mountain stream
enters a relatively flat valley
. As water slows down, it deposits sediment
) that gradually builds a fan.
- ↑ http://wrgis.wr.usgs.gov/docs/parks/misc/glossaryAtoC.html