Bord And Pillar Mining Explained Illawarra Mercury
jun 01, 2017 bord-and-pillar mining is used in first workings of a deposit, and when irregularly shaped deposits, or sensitive environmental conditions, call for a lighter touch.coal mining. alternative title: bord-and-pillar mining. room-and-pillar mining of a horizontal ore body. encyclopdia britannica, inc. schematic diagram of an underground coal mine, showing surface facilities, access shaft, and the room-and-pillar and longwall mining methods. consol coal group.feb 27, 2016 bord and pillar method of mining is one of the oldest methods. introduction In india, about 98% of underground output of coal is obtained by bord and pillar method and barely about by longwall methods. the other countries where bord and pillar method predominates are australia, the usa and south africa.