machine use in shrinkage mining method

section 10 shrinkage methods mike turner australian

underground mining methods mike turner shrinkage methods section 10 page 3 10 1 1 introduction in shrinkage stoping the ore is generally mined in method is still used in a handful of non-mechanised mines in south america africa airleg or stoping machines are required for drilling the ore and haulage

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shrinkage stope mining mining methods mining techniques

shrinkage stope mining shrinkage stope is a generic term used in mining to portray the process of mining upwards from a lower to an elevated horizon leaving broken rock in the excavation created the broken rock acts as a working platform and assists to stabilize the excavation by supporting the walls the method may

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stoping - wikipedia

from the 19th century onward various other explosives power-tools and machines came into use as mining progresses the stope is often backfilled with tailings or when needed for strength a mixture of tailings and cement in old mines stopes frequently collapse at a later time leaving craters at the surface they are an

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mining methods - metallurgist

mar 17 the mines and mining methods of the now defunct arizona mining copper co are situated in the morenci-metcalf copper district in southeastern arizona in mining large orebodies shrinkage stoping is generally used in conjunction with top slicing or block caving the pillars separating the shrinkage

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underground mining methods - body

modifying the mining method and introducing new more powerful machines are actions that should raise the efficiency of work procedures the mine must remain a profit normally sublevels are used only within stoping areas where they are required for regular mining shrinkage stoping can be used in ore bodies with

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shrinkage stoping - minewiki queen's mine design project wiki

nov 1 author mike neumann neumann engineering and mining services inc nems date may shrinkage stoping is a mining method used for steeply dipping narrower ore bodies with self supporting walls and ore it is an overhand mining method that relies on broken ore being left in the stope to be

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methods of underground mining underground mining methods

this review describes the methods of underground mining and offers several useful links it also gives an overview of underground mining courses software consultants and publications

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underground mining methods and equipment - eolss net

cut-and-fill stoping 1 6 longwall mining 1 7 sublevel caving 1 8 block caving 2 underground mining machinery glossary bibliography biographical sketches summary the first section gives an overview of underground mining methods and practices as used shrinkage stoping has in the past been very popular

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topic 9 mining methods part v- underground mining - researchgate

6 shrinkage stoping 7 long-hole open stoping 8 vertical crater retreat vcr stoping 9 longwall stoping 10 caving methods i sublevel caving ii block caving stope and retreat vs shortwall involves the use of a continuous mining machine with moveable roof supports similar to longwall the continuous

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types of underground mining method comparison - metallurgist

apr 4 rill-cut stoping mining saw-tooth back stoping shrinkage stoping mining by combination stoping side stoping breast stoping sublevel stoping square-set stoping 2 is illustrated the method of carrying a flat or longitudinal back the term long-wall is used sometimes when the vein lies nearly flat

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