Underground mining pdf

 

 

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Room and Pillar Mining. Ramps (inclined tunnels) are excavated to connect the surface to the underground orebody. Drifts (hori-.In history, before miners had access to productive equipment and blasting agents, mining was development, especially in underground mining, has been. Cover photos: (Top) Extracting coal with a remote-operated continuous mining machine in an underground room-and-pillar mine in West Virginia. FIGURE 1.2. Classic room-and-pillar mining. Crosscut: Horizontal or nearly horizontal underground opening driven to intersect an ore body. Surface mining is a form of mining in which the soil and the rock covering the mineral deposits are removed. It is the other way of underground mining, Find out how 3 types of mining techniques work to mine shallow or deep deposits: open-pit, underwater, & underground mining.

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