Underground mining methods - SlideShareApr 14, 2014 . Underground Mining Methods: By: Tayyab anwar (12MN01) Asif . Cycle of operations: Conventional Mining: In Room-and-pillar mining of coal . same as room-and-pillar mining method using continuous miner Sublevel.conventional discontinuous mining methods,conventional discontinuous mining methods,coal mining - Choosing a mining method | BritannicaJun 14, 2016 . The various methods of mining a coal seam can be classified under two .. main room-and-pillar systems, the conventional and the continuous.
conventional discontinuous mining methods