sub level stopping mining method in russia

The conditions for underground mining activites are favourable with competent ore and host rock made more stable by the permafrost extending to a depth of 300 to 350 m As a result very little support is required and a mostly sublevel open stoping mining method is used with minor amounts of ore extracted from manual shrinkage stopes...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone crusher and other sandstone equipment;Ball mill, flotation machine, concentrator and other beneficiation equipment; Powder Grinding Plant, rotary dryer, briquette machine, mining, metallurgy and other related equipment. which can crush all kinds of metal and non-metallic ore, also can be dry grinding and wet grinding.If you are interested in our products or want to visit the nearby production site, you can click the button below to consult us.Welcome to our factory to test machine for free!

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  • Major Mines  Projects  Mining Intelligence and News

    Major Mines Projects Mining Intelligence and News

    The conditions for underground mining activites are favourable with competent ore and host rock made more stable by the permafrost extending to a depth of 300 to 350 m As a result very little support is required and a mostly sublevel open stoping mining method is used with minor amounts of ore extracted from manual shrinkage stopes

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  • Sources of External Dilution in Underground Sublevel and

    Sources of External Dilution in Underground Sublevel and

    This paper describes several sources of external dilution affecting the stope walls during underground sublevel and bench stoping Factors which control ground behaviour such as the geometry of the openings the influence of geological discontinuities stress redistribution and blasting practices are discussed Crown stope instability due to stress concentrations induced by changes in the

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  • SUBLEVEL OPEN STOPING DESIGN OF THE O640 L651

    SUBLEVEL OPEN STOPING DESIGN OF THE O640 L651

    SUBLEVEL OPEN STOPING DESIGN OF THE O640 L651 AND N659 SUBLEVEL OPEN STOPES IN THE 3000 OREBODY OF THE MOUNT ISA COPPER MINES QUEENSLAND AUSTRALIA L SLOANE Presented in partial fulfilment of the requirements for the degree MINING ENGINEERING IN THE FACULTY OF ENGINEERING DEPARTMENT OF MINING UNIVERSITY

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  • SECTION 10 SHRINKAGE METHODS Mike Turner

    SECTION 10 SHRINKAGE METHODS Mike Turner

    Sublevel stoping cut and fill mining and sublevel caving have generally replaced shrinkage mining in Australia Europe and Canada The method is still used in a handful of nonmechanised mines in South America Africa Asia and Canada 10111 Disadvantages The method is labour intensive and requires experience in such methods The working

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  • difference between sublevel caving and sublevel stoping

    difference between sublevel caving and sublevel stoping

    Sublevel stopingUnderground mining methods Sublevel stopingUnderground mining methods 1 Hassan Z Harraz hharraz2006 2014 2015 This material is intended for use in lectures presentations and as handouts to students and is provided in Power point format so as to allow customization for the individual needs of course instructors Get Price

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  • PDF Sublevel Stoping Underground Mining Methods

    PDF Sublevel Stoping Underground Mining Methods

    started is hard to stop and much of the L651 and N 659 sub level open stopes in the 3000 orebod Classification of surface mining methods together with the desired parameters conditions

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  • Sublevel stopingUnderground mining methods

    Sublevel stopingUnderground mining methods

    Oct 22 2014 · Sublevel stopingUnderground mining methods 1 Hassan Z Harraz hharraz2006 2014 2015 This material is intended for use in lectures presentations and as handouts to students and is provided in Power point format so as to allow customization for the individual needs of course instructors

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  • Major Mines  Projects  Mining Intelligence and News

    Major Mines Projects Mining Intelligence and News

    Aug 02 2019 · This technique allows for greater mining flexibility in terms of tonnage grade and metallurgical characteristics sulphur content and organic carbon content Several underground mining methods are used at Mayskoye but more than 80 of ore is mined by sublevel open stoping

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  • Definition of sublevel stoping

    Definition of sublevel stoping

    A mining method involving overhand underhand and shrinkage stoping Its characteristic feature is the use of sublevels The sublevels are worked simultaneously the lowest on a given block being farthest advanced and the subs above following one another at short intervals The uppermost sublevel underneath the cover is partly caved

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  • Sources of External Dilution in Underground Sublevel and

    Sources of External Dilution in Underground Sublevel and

    This paper describes several sources of external dilution affecting the stope walls during underground sublevel and bench stoping Factors which control ground behaviour such as the geometry of the openings the influence of geological discontinuities stress redistribution and blasting practices are discussed Crown stope instability due to stress concentrations induced by changes in the

    Details >
  • Sublevel open stopping assignment  SlideShare

    Sublevel open stopping assignment SlideShare

    Dec 16 2014 · Sublevel open stopping sublevel stoping is a vertical mining method in which a large open stope is create within the vein This open stope is not meant to be occupied by the miners therefore all work of drilling and must be performed from sublevel within the ore block

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  • Types of Underground Mining Method Comparison

    Types of Underground Mining Method Comparison

    Table of ContentsFactors Affecting Choice of MethodReview of Stoping MethodsUnderhand Stoping Mining MethodOverhand Stoping MethodLongitudinal Back FlatBack Mining MethodLongWall StopingmMining MethodRillCut Stoping MiningSawTooth Back StopingShrinkage StopingMining by Combination StopingSide StopingBreast StopingSublevel StopingSquareSet StopingFilling MethodsCaving Methods

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  • Norilsk Mining Centre Russia  Mining Frontier

    Norilsk Mining Centre Russia Mining Frontier

    Dec 29 2014 · UNDERGROUND MINING Norilsk uses a sublevel caving mining method the completed stopes then being backfilled for support Stopes are mined 120m long 8m wide and 10m thick using mechanised drilling and ore loading equipment that

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  • PDF Sublevel Stoping Underground Mining Methods

    PDF Sublevel Stoping Underground Mining Methods

    started is hard to stop and much of the L651 and N 659 sub level open stopes in the 3000 orebod Classification of surface mining methods together with the desired parameters conditions

    Details >
  • Definition of sublevel stoping

    Definition of sublevel stoping

    A mining method involving overhand underhand and shrinkage stoping Its characteristic feature is the use of sublevels The sublevels are worked simultaneously the lowest on a given block being farthest advanced and the subs above following one another at short intervals The uppermost sublevel underneath the cover is partly caved

    Details >
  • Mining Stope Development Method

    Mining Stope Development Method

    Table of ContentsStopingStopeDevelopment MethodsRaisesCost of Driving Raises Stoping The foregoing discussion relates to general mine development and covers the work required to reach and penetrate the ore bodies and to provide the main arteries through which the ore is taken from the mine These arteries provide mine drainage and avenues for travel and transportation of men and supplies

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  • Sublevel open stopping assignment  SlideShare

    Sublevel open stopping assignment SlideShare

    Dec 16 2014 · Sublevel open stopping sublevel stoping is a vertical mining method in which a large open stope is create within the vein This open stope is not meant to be occupied by the miners therefore all work of drilling and must be performed from sublevel within the ore block

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  • Keeping up with caving  REDPATH MINING

    Keeping up with caving REDPATH MINING

    Sublevel caving also allows for a slightly more selective extraction of the orebody than is attainable through block or panel caving Production rates achieved in sublevel caving operations are typically lower than for block caves but higher than for stoping methods” CAVING requIremeNts Caving is a nonselective bulk mining method

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  • Sublevel Open Stoping In South African Gold Mines

    Sublevel Open Stoping In South African Gold Mines

    Section 10 Shrinkage Methods Mike Turner Shrinkage mining was a common stoping method prior to mechanised mining and the introduction of hydraulic fill sublevel stoping cut and fill mining and sublevel caving have generally replaced shrinkage mining in australia europe and canada the method is still used in a handful of nonmechanised mines in south america africa asia and canada

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  • Inside block caving the deep mining method of the future

    Inside block caving the deep mining method of the future

    The role of block caving Although the caving mining system was initially used for shallow orebodies it has recently been applied at depths of 2km underground According to Suorineni “caving heights have also increased drastically from about 200m to 500m” creating socalled ‘super caves’“There is insufficient experience caving in these environments” he adds which is a

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  • Shrinkage Stope Mining Mining Methods Mining

    Shrinkage Stope Mining Mining Methods 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

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