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  2. Room and pillar mining - Wikipedia

    en.wikipedia.org/wiki/Room_and_pillar_mining

    Planning for the development of room and pillar mines operates in much the same way as other mining methods, [10] and begins with establishing ownership of the mine. . Following this, the geology of the mine must be analysed, as this will determine factors like the lifespan of the mine, the production requirements, and the cost to develop and

  3. Cut and fill - Wikipedia

    en.wikipedia.org/wiki/Cut_and_fill

    A mass haul diagram where land and rock cuts are hauled to fills Fill construction in 1909 Cut & Fill Software showing cut areas highlighted in red and fill areas shaded in blue. In earthmoving , cut and fill is the process of constructing a railway , road or canal whereby the amount of material from cuts roughly matches the amount of fill ...

  4. Underground hard-rock mining - Wikipedia

    en.wikipedia.org/wiki/Underground_hard-rock_mining

    Cut and fill mining is a method of short-hole mining used in steeply dipping or irregular ore zones, in particular where the hanging wall limits the use of long-hole methods. The ore is mined in horizontal or slightly inclined slices, and then filled with waste rock, sand or tailings. Either fill option may be cemented with binders to add ...

  5. Cut (earthworks) - Wikipedia

    en.wikipedia.org/wiki/Cut_(earthworks)

    The word is also used in the same sense in mining, in particular Open-pit mining. The use of cuttings often provides byproducts as a form of mineral extraction , commonly sand, clay or gravel; the cost of building drains, reinforcing banks against landslide and a high water table are factors which commonly limit its use in certain areas.

  6. Bench (geology) - Wikipedia

    en.wikipedia.org/wiki/Bench_(geology)

    Also, they include benches in the form of narrow strath terraces (st), fill terraces (ft), and cut terraces (ct) underlain by fluvial sediments. In geomorphology , geography and geology , a bench or benchland is a long, relatively narrow strip of relatively level or gently inclined land bounded by distinctly steeper slopes above and below it.

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  8. Lucky Friday mine - Wikipedia

    en.wikipedia.org/wiki/Lucky_Friday_mine

    The mining method used is underhand cut and fill mining. [ 3 ] The mine's primary access and production are through the Silver Shaft, an 18-foot (5.5 m) diameter, concrete-lined shaft sunk to a depth of 6,200 feet (1,890 m), [ 4 ] [ 5 ] [ 6 ] over 2,800 feet (855 m) below sea level .

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