Placer mining /ˈplæsər/ is the mining of stream bed deposits for minerals. This may be done by . In North America, placer mining was famous in the context of several gold rushes, particularly . Once a placer deposit is located by gold panning, the miner usually shifts to equipment that can treat volumes of sand and gravel.
Gold mining is the resource extraction of gold by mining. Contents. 1 History; 2 Statistics .. These operations typically include diesel powered, earth moving equipment, including excavators, bulldozers, wheel loaders, and rock trucks.