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At KCM we have a unique set of challenges facing our mining operations After mining for almost 70 years copper grades at Nchanga mine have declined from 6 in the s to an average 16 at present while the depth of both underground and open pit mines has significantly increasedHeap leaching is an industrial mining process used to extract precious metals copper uranium and other compounds from ore using a series of chemical reactions that absorb specific minerals and re separate them after their division from other earth materials Similar to in situ mining heap leach mining differs in that it places ore on a liner then adds the chemicals via drip systems to the

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Heap leaching is an industrial mining process used to extract precious metals copper uranium and other compounds from ore using a series of chemical reactions that absorb specific minerals and re separate them after their division from other earth materials Similar to in situ mining heap leach mining differs in that it places ore on a liner then adds the chemicals via drip systems to the Mining companies have an impressive track record for delivering continuous improvements in safety and risk governance standards We have no doubt that the professionalism and expertise present within the industry will ensure that any new and emerging risk challenges

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