mining machines the height of the mine that i will be working in,Open Pit Mining and Quarrying | Pits & Quarries - TechnoMineThis review will first define the difference between open pit mines and quarries. . The bench height is usually decided by the economic reach of the mining equipment . blending requirements, no. of working faces, operating/capital costs, etc.mining machines the height of the mine that i will be working in,Open-pit mining - WikipediaOpen-pit, open-cast or open cut mining is a surface mining technique of extracting rock or . Open-pit mines are used when deposits of commercially useful minerals or rocks . meter intervals, depending on the size of the machinery that is being used. . Eventually this layer will erode, but it is generally hoped that the rate of.
mining machines the height of the mine that i will be working in