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  • Mining Geology and Exploration

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    Mining Geology and Exploration How much metal is available? ... 1997 Role of Exploration Each ton of ore mined must be replaced with another ton to

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  • A BRIEF INTRODUCTION TO THE GEOLOGY AND

    Licensing is based upon a three-tier system, not including small-scale mining licenses which are only available to local artisanal miners (small plots on the order of several hundred square meters, usually for placer mining. The licensing system distinguishes between the scale of mining, the mineral type and the stage of mineral development.

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  • Iron ore Wikipedia

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