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    The gold extractions obtained by heap leaching of the oxide and transition mineralization were within 10 to 11% of the indicated maximums achievable, which indicates that both types of mineralization should be highly amenable to heap

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    Heap leaching is a process whereby precious metals such as gold and silver are extracted from rock by placing mineralized material on a lined pad (a base) in a heap and irrigating with a leaching solvent, such as cyanide or acid.

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    Heap leaching is a process whereby precious metals such as gold and silver are extracted from rock by placing mineralized material on a lined pad (a base) in a heap and irrigating with a leaching solvent, such as cyanide or acid.

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