GRAVITY TESTS ON REFRACTORY GOLD ORE SHOWED THAT 94 PER CENT OF THE GOLD COULD BE EXTRACTED AFTER GRAVITY CONCENTRATIONAND PREFERENTIAL GRINDING, ROASTING, AND CYANIDATION WHEREAS 96 PER CENT COULD BE EXTRACTED BY FLOTATION FOLLOWED BY THE SAME PREFERENTIAL TREATMENT. CAPITAL AND OPERATING COSTS FOR GRAVITY SEPARATION ARE EXPECTED TO BE LOWER THAN THOSE FOR FLOTATION.