An alluvial is sediment deposited at the mouth of a stream. An alluvial fan is when that sediment creates an arching fan shape when it is deposited. The fan shape is created when the stream's slope is suddenly and abruptly reduced. For exam...
http://wiki.answers.com/Q/How_is_an_alluvial_fan
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Alluvial fans are formed by the sequential deposition of sediments carried by episodic streams that issue from water courses in mountain fronts onto broad, open areas where the streams spread out, lose speed, and dump their sediment loads.
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www.agc.army.mil/research/products/desert_guide/lsmshee...
www.agc.army.mil/research/products/desert_guide/lsmsheet/lsfans.htm
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Alluvial fans are fan-shaped deposits of water-transported material (alluvium). They typically form at the base of topographic features where there is a ...
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www.uoregon.edu/~millerm/fan.html
www.uoregon.edu/~millerm/fan.html
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Alluvial fans and fan-deltas are of three basic types: those built up primarily by the action of constantly avulsing river and stream channels, ...
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link.aip.org/link/?JHEND8/124/985/1
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Delta plain: A plain formed by deposition of silt and alluvial sediments at the mouth of the stream. It is a low, nearly flat area of land where the sediments accumulate instead of being redistributed by the sea or by the lake water.
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www.africover.org/system/NFPI/resources/050403104742_la...
www.africover.org/system/NFPI/resources/050403104742_landform-glossary.pdf
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A brief treatment of alluvial fans follows. For full treatment, see river: Alluvial fans. ... This fan, though, is much too large to have been constructed by present-day rivers. It was formed during the Late Cenozoic Period and is made up of coarse Pliocene gravels derived from the Pyrenees...
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www.britannica.com/EBchecked/topic/16659/alluvial-fan
www.britannica.com/EBchecked/topic/16659/alluvial-fan
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Alluvial fans form where a narrow confined valley emerges into a broad flat area. ... Modern fans; ... Sedimentation on alluvial fans;
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www.es.mq.edu.au/courses/GEOS260/alluvialfans.htm
www.es.mq.edu.au/courses/GEOS260/alluvialfans.htm
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Alluvial fans are a type of depositional landform. ... An alluvial fan is a wide pile of sediment deposited where a river leaves the mountains. (more below) ... Alluvial fans are also known on Mars.
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geology.about.com/library/bl/images/blalluvfan.htm
geology.about.com/library/bl/images/blalluvfan.htm
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Alluvial fans and fan-deltas are of three basic types: those built up primarily by the action ... An example of a fan formed predominantly by the deposition of sand is compared to a similar one formed predominantly by the deposition of sand is compared to a similar one formed predominantly by the deposition of gravel.
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www.pubs.asce.org/WWWdisplay.cgi?9804534
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