| 1. | Heap leaching is a low-cost method of extracting gold from low-grade ores.
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| 2. | Heap leaching is a method of recovering gold from low grade ores.
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| 3. | It is notable in the field of underground and heap leaching of metals.
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| 4. | Normally, the ore is crushed and agglomerated prior to heap leaching.
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| 5. | Heap leaching uses chemical solutions to dissolve gold from heaps of crushed ore.
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| 6. | Carpentaria Gold Ltd opened a new open cut mine using modern heap leaching processes.
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| 7. | The ore will be treated through a carbon-in-leach plant and also by heap leaching.
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| 8. | In 1971 Newmont began using the heap leaching technology on sub-mill grade ores there.
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| 9. | The gold is recovered from the ore by heap leaching.
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| 10. | Pacific Islands Gold said it believed the silver was recoverable through heap leaching and flotation techniques.
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