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Get Price2014 4 14 Underground mining methods These are the methods/techniques employed when the depth of the deposit the stripping ratio of the overburden to ore or both becomes excessive to surface exploitation Choice of an underground mining method is often closely related to the Geology of the deposit and degree of ground support necessary to make the
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Get Price2021 10 25 article osti title = Underground mining methods handbook author = Hustrulid W A abstractNote = Sections discuss mine design considerations stopes requiring minimum support includes room and pillar mining and sublevel stoping stopes requiring some additional support other than pillars includes shrinkage stoping cut and fill stoping undercut and fill mining
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