gold metallurgy ores mining processing-mining equiments supplier

GOLD ORES AND MINERALS Gold Ore Types Gold ores are commonly classified by the metallurgist into two major categories: freemilling and refractory ores. Typically, free-milling ores are defined as those where over 90% of gold can be recovered by conventional cyanide leaching. Refractory ores are defined as those that give low gold recoveries or give…

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