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pure gold and iron from sand in afghanistan

PURE GOLD AND IRON FROM SAND Elmer R Gates,By the invention which Professor Gates has perfected the gold and iron is easily separated from the sand at the insignificant cost of from 3 cents to 5 cents per ton Gates for working raw sand This curious appearance is presented by the particles of iron Gates and gold extracted by ... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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