Vale's Carborough Downs underground mine is loed in central Queensland in the Bowen Basin, approxim ately 20 kilometres east of Moranbah and 180 kilometres southwest of Mackay.
Welcome. Bounty is a hard coking coal mine operator and hard and premium coal project developer specialising in bord and pillar underground coal mining.
A. Abutment In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, .