Definitions for vanning
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A process by which ores are washed on a shovel, or in a vanner.
a process by which ores are washed on a shovel, or in a vanner
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 below. Developed in western England, this process was still in use at a major tin mine until 1985.
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