Miners day - PowerPoint PPT Presentation

Mining

Mining. Mining. Mining is the extraction of valuable minerals or other geological materials from the earth from an orebody, lode, vein, seam, or reef, which forms the mineralized package of economic interest to the miner. Mining as a science, deals with: surveying, mining and mining maps,

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638 views • 10 slides

Mining

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144 views • 10 slides

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