2020-2-11 · The shaking table can be divided into coarse sand shaking bed (>0.5 mm), fine sand shaking bed (0.5 ~ 0.074 mm) and mud shaking bed (0.074 ~ 0.037 mm) according to the size of the selected ore. 3. Chute process for gold mining. Chute for gold mining is an ancient and still used gravity separation method. And the chute is the main equipment used ...