Difference between revisions of "Surface mine"
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| − | A ''' | + | A '''surface mine''' is a [[mine]] that is usually within a few hundred [[feet]] of the surface. [[Earth]] above or around the coal (overburden) is removed to expose the coal bed, which is then mined with surface excavation equipment, such as drag lines, [[power shovel]]s, [[bulldozers]], loaders, and [[auger]]s. It may also be known as an area, contour, open-pit, strip, or auger mine. |
[[category:energy]] | [[category:energy]] | ||
Revision as of 19:37, September 13, 2008
A surface mine is a mine that is usually within a few hundred feet of the surface. Earth above or around the coal (overburden) is removed to expose the coal bed, which is then mined with surface excavation equipment, such as drag lines, power shovels, bulldozers, loaders, and augers. It may also be known as an area, contour, open-pit, strip, or auger mine.