Vanning

Vanning is a type of ore dressing by which ores are washed on a shovel. Typically, a powdered sample of orestuff is swirled with water on the blade of a shovel and then given a series of upward flicking motions. The heavier ore is tossed up through the water and appears as a crescent shaped patch at the top of the charge with the lighter gangue be...
Found on http://en.wikipedia.org/wiki/Vanning

Vanning

• (n.) A process by which ores are washed on a shovel, or in a vanner.
Found on http://thinkexist.com/dictionary/meaning/vanning/

Vanning

Van'ning noun (Mining) A process by which ores are washed on a shovel, or in a vanner.
Found on http://www.encyclo.co.uk/webster/V/6
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