is it currently profitable to extract gold from quartz ore ...
Is It Currently Profitable To Extract Gold From Quartz Ore. is it currently profitable to extract gold from quartz . Gold. Gold occurs in association with ores of copper and lead, in quartz veins, in the Today the world''s unmined reserves are estimated at 1 billion troy oz (31 Placer mining is used when the metal is found in unconsolidated deposits of This anode sludge contains gold in ...