alluvial fan deposit

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• alluvial fan — Physical Geog. a fan shaped alluvial deposit formed by a stream where its velocity is abruptly decreased, as at the mouth of a ravine or at the foot of a mountain. Also called alluvial cone. [1870 75] * * * ▪ geological feature  unconsolidated… …   Universalium

• Alluvial fan — An alluvial fan is a fan shaped deposit formed where a fast flowing stream flattens, slows, and spreads typically at the exit of a canyon onto a flatter plain. A convergence of neighboring alluvial fans into a single apron of deposits against a… …   Wikipedia

• alluvial fan — /əˌluviəl ˈfæn/ (say uh.loohveeuhl fan) noun a fan shaped alluvial deposit formed by a stream where its velocity is abruptly decreased, as at the mouth of a ravine or at the foot of a mountain. Also, alluvial cone …  

• alluvial fan — allu′vial fan′ n. geo gel a fan shaped alluvial deposit formed by a stream where its velocity is abruptly decreased, as at the mouth of a ravine …   From formal English to slang

• alluvial fan — noun a fan shaped deposit where a fast flowing stream flattens out • Syn: ↑alluvial cone • Hypernyms: ↑geological phenomenon …   Useful english dictionary

• alluvial fan — noun Date: 1873 the alluvial deposit of a stream where it issues from a gorge upon a plain or of a tributary stream at its junction with the main stream …   New Collegiate Dictionary

• alluvial fan —   a fan shaped deposit of river load where energy has been lost due to the river exiting abruptly from a narrow upland valley to a lowland plain …   Geography glossary

• alluvial fan —    A fan like deposit of detrital material from steep mountain slopes [16] …   Lexicon of Cave and Karst Terminology

• alluvial cone — noun a fan shaped deposit where a fast flowing stream flattens out • Syn: ↑alluvial fan • Hypernyms: ↑geological phenomenon * * * noun : an alluvial fan with steep slopes * * * alluvial fan or alluvial cone …   Useful english dictionary

• fan delta — noun : an alluvial fan merging with a delta called also delta fan * * * a partially submerged alluvial fan that has merged with a delta. [1915 20] * * * fan delta, a fan shaped alluvial deposit …   Useful english dictionary

• fan — fan1 noun 1》 an apparatus with rotating blades that creates a current of air for cooling or ventilation. 2》 a hand held device, typically folding and shaped like a segment of a circle when spread out, that is waved so as to cool the user. 3》 a… …   English new terms dictionary