Placer mining /ˈplæsər/ is the mining of stream bed (alluvial) deposits for minerals. This may Placer deposits attract many prospectors because their costs are very low. Once a placer deposit is located by gold panning, the miner usually shifts to equipment that can treat volumes of sand and gravel more quickly and
Placer mining is a special opencut method for exploiting deposits of sand or gravel . mining costs which should be included as part of costofgoods sold. . larger operators will have the equipment and resources to work through the winter.