Firstly, wash and screen out the large gravels or stones by trommel screen wash plant or rotary scrubber. The trommel screen is usually applied for low clay content gold ore, while the rotary scrubber is always applied for high clay content gold ore.
Secondly, separate the heavy minerals from fine sands by vibrating sluice , jig machine or gold concentrator.
At last, upgrade the gold concentrates by shaking table.