Trends in the small-scale mining of precious minerals in Ghana: a
Deep alluvial mining techniques are used to mine deep alluvial deposits found along the banks of major rivers such as the Ankobra, Tano, and Offin and certain older river courses. ... In hard rock operations, on the other hand, jaw crushers, hammer mills, ball mills and modified corn mills are also used for communition. Schematic flow sheets ...Web
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