alluvial fan

Definitions

  • WordNet 3.6
    • n alluvial fan a fan-shaped deposit where a fast flowing stream flattens out
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Usage

In literature:

Half an hour's walk brought us to Vista Alegre, another little clearing on an alluvial fan in the bend of the river.
"Inca Land" by Hiram Bingham
The enemy's principal position consisted of sangars blocking the roads to the river, up to a fan-shaped alluvial piece of ground.
"Through Three Campaigns" by G. A. Henty
Where rivers descend from a mountainous region upon the plain they may build alluvial fans of exceedingly gentle slope.
"The Elements of Geology" by William Harmon Norton
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In news:

An outcrop of conglomerate rock on the floor of Gale Crater made up of cemented gravels that indicate an ancient flow of water downstream of a channel in the crater wall that spreads out into an alluvial fan up slope from the Curiosity rover.
Alluvial fans, rolling hills, and southern exposure are three of the things the Del Rio team likes to credit for their delicious wines.
Looking toward the Glenelg site where Curiosity will pause to carry out extensive geological observations, scientists have identified a lighter area, also visible from orbit, that may be part of an alluvial fan where water once flowed.
The peak falls away abruptly, revealing a vertiginous panorama of Strom Canyon and its distant alluvial fan toward the east.
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