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Metal Ores And Line Are Connected With Quarries

Home > Metal Ores And Line Are Connected With Quarries

Room and pillar for relatively flat ore deposits, with little change in elevation throughout, miners drill an access ramp to the deposit and remove ore in a pattern of holes rooms and roof supports pillars. the rooms can be mined out using conventional charge-and-blast techniques or, more commonly now, with a machine called a continuous miner.

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