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traditional gold mining instruments

traditional gold mining instruments

May 08, 2020 In gold mining, the proportions of waste are even higher, with one pair of gold wedding rings leaving up to 6 t of waste rock and tailings behind (Sampat 2003; Mining Watch Canada and The Pembina Institute 2002). The ratios are likely to worsen with the exhaustion of current high-grade reserves and the development of low-grade deposits.

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