longitudinal retreat mining method - diebold-bau
longitudinal retreat mining method , longitudinal retreat mining methodRetreat mining Wikipedia the free encyclopedia Retreat mining is a term used to reference Get Price>>Design and Application of Sublevel Stoping Methods . More. retreat mining method - charitymusicinfo.Major Mines & Projects | Perkoa Mine,Longitudinal bottom-up stoping has been used above 190 level. Due to the orebody width and mine sequencing, stopes between the 190 level and the 280 level are mined using the transverse method with primary and secondary stopes, with some longitudinal retreat mining occurring at the extremities of the orebody. Most of the primary stopes above,Design and Application of Sublevel Stoping Methods,,This course refers to the generic mining method of sublevel stoping. The most commonly used sublevel stoping mining methods are sublevel open stoping, long-hole open stoping or blasthole stoping, and vertical crater retreat (VCR). Variations of this method include vein (Alimak) mining, transverse stoping, Avoca and longitudinal mining.