the hard rock mining process

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  • Underground Mining Safety & Productivity Newtrax

    Newtrax Technologies Inc., based in Montreal, Canada, is a leading provider of safety and productivity solutions to the global underground hard rock mining industry.

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  • Gold mining Wikipedia

    Hard rock gold mining extracts gold encased in rock, rather than fragments in loose sediment, and produces most of the world's gold. Sometimes open-pit mining is used, such as at the Fort Knox Mine in central Alaska.