Extraction of metals, e.g. copper@ and gold@, from ores

摘要

Process for extraction of meals from ores comprises crushing ore material between rolls (4,5) and classifying (7) the crushed material into coarse (8) and fine (9) particulate, the coarse particulate (8) then being subjected to pile leaching (10) and the fine particulate (9) to container leaching (12) with agitation.