You searched for: “alluvial mining
alluvial mining (s) (noun) (usually no plural)
The process of dredging (scooping out of the mud) or following horizontal tunnels to exploit materials that have been carried, washed, or left behind by running water: Alluvial mining involves the processing of deposits that are carried by rushing streams and located where the water slows down to remove certain elements from a riverbed, channel, etc.
This entry is located in the following unit: luto-, lut-, luv-, lu- (page 2)