slope stability for miningslot grinding operation ppt
Jan 09, 2016· • Theoperationis expected to shut down in 2009. • There is a plan to expand the Valley pit and salvage ore from the west wall of the Lornex pit. • If some rockslope stabilityproblems can be overcome in these pits, the mine life could be extended to 2013. 2 February 2016 Prof. Dr. H.Z. Harraz Presentation Mining Methods, Surface mining
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