How it Works Energy, Mines and Resources Government of ...
Energy, Mines and Resources » Yukon Placer Secretariat ... Placer gold is recovered when the gravels are "sluiced" or washed in flowing water in a sluice box or wash plant. The heaviest particles, including gold, settle to the bottom. ... Water is used to thaw these frozen materials and at the same time to wash the gold loose. The water ...