alluvial fan alluvial fan


  • (n) a fan-shaped deposit where a fast flowing stream flattens out


  • Some 300 to 600 feet below the surface lies a geological formation known as the Stony Creek alluvial fan that has 13 million acre-feet of water.


  • Bad Astronomy: Martian Flash Flood

    Phil Plait's Bad Astronomy blog flags a photo from the UA's HiRISE camera aboard the Mars Reconnaissance Orbiter to note that it may have rained on Mars a long time ago: This fan is on the inside of the rim of Mojave Crater, a 60-kilometer-wide (40-mile-wide) impact crater near the equator of Mars. The structure matches an Earthly alluvial fan almost perfectly.… [ Read more ] [ Subscribe to the ...
    on September 6, 2013     Source: Tucson Weekly

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