open cast mining
open cast mining,Basics of an open pit mine - Mine Engineer.Com provides mining .Fig. 1, above shows an illustration of a Open Pit Surface Mine. The definition of a open pit mine is "an excavation or cut made at the surface of the ground for the purpose of extracting ore and which is open to the surface for the duration of the mine's life." To expose and mine the ore, it is generally necessary to excavate and.open cast mining,Open Cast MiningOct 2, 2015 . This is a very basic idea of how the Open Pit Mining process takes place. This was a very new mine when the footage was shot, and using very small machines.One of the world's largest open-pit mines outside historic Kalgoorlie .Aug 5, 2015 . This superpit outside Kalgoorlie, Western Australia, is one of the world's largest open-pit gold mines. The operator of the mine, Australia's largest gold producer, Newmont Mining, is pushing ahead with new exploration sites to extend the life of the pit, a joint venture with Barrick Gold. Newmont says the work.