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 Date: 2009-09-21 22:52:03Chemistry Ore Nickel Copper extraction techniques Heap leaching Peak minerals Mineral exploration Laterite Underground mining Economic geology Mining Geology |
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| First Page | Document Content | |
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Date: 2009-09-21 22:52:03Chemistry Ore Nickel Copper extraction techniques Heap leaching Peak minerals Mineral exploration Laterite Underground mining Economic geology Mining Geology |
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Historical Trends in Base Metal Mining: Backcasting to Understand the Sustainability of Mining