The main machine for a set of alluvial gold wash plant 1. Trommel screen If you need the mobiletrommel, we can also make. 2. sluice box with gold carpet Some clients choose build the sluice box by themselve, and only buy the gold ching carpet. 3. Centrifugal concentrator 5.
Gold mining . The exact date that humans first began to mine gold is unknown, but some of the oldest known gold artifacts were found in the Varna Necropolis in graves of the necropolis were built between 4700 and 4200 BC, indiing that gold mining could be at least 7000 years old.