Glossary of Mining Terms RocksandMinerals
Barrier pillars are solid blocks of coal left between two mines or sections of a mine to prevent accidents due to inrushes of water, gas, or from explosions or a mine fire. Beam A bar or Dragline A large excavation machine used in surface mining to remove overburden (layers of rock and soil) covering a coal seam.
3 Technologies in Exploration, Mining, and Processing .
Comminution (i.e., the breaking of rock to facilitate the separation of ore minerals from waste) combines blasting (a unit process of mining) with crushing and .. As analytical equipment is miniaturized, inexpensive hand held devices that could be used in the field or in mines to provide real time analytical results would.Get Price