mud rehandle methode for coal mining

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Surface Coal Mining Methods in Australia -… pdf

9 Mar 2012 ... In Australia, the major coal mining methods are as follows: ... overburden removal becomes costly as the machines' rehandle ... Truck and shovel mining method is the most flexible mining method and therefore better suited to...» Request a Quotation

Glossary of Mining Terms - RocksandMinerals.com

Abutment — In coal mining, (1) the weight of the rocks above a narrow roadway ..... underground mining method involving the insertion of explosives in a coal ..... Mud cap — A charge of high explosive fired in contact with the surface of a rock...» Request a Quotation