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The top documents tagged [mineral of value]
Non-metallic Mineral Deposits
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Sustainability Important Factors –Technical –Economic –Social/Political –Environmental Past mining activities focussed on only the first two The latter
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Surface Mining (The Concept of Surface Mining) Mnge 315 ©Dr. B. C. Paul Spring 2003 revisions 2010, 2011 These slides contain concepts considered by the
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