Technical Report: Treatment of Cyanide Heap Leaches …
agitation leaching followed by carbon-in-pulp (CIP), and agitated carbon-in-leach (CIL). Cyanidation is best suited to fine-grain gold in disseminated deposits. Heap or valley fill leaching is generally used to beneficiate ores containing less than 0.04 Troy ounces/ton (oz/t). CIP and CIL techniques, commonly referred to as tank