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sublevel caving mining method in ethiopia

Following the evolution of the mine plan through a number of stages the ‘sublevel shrinkage SLS with continuous fill’ mining method was implemented in 2010 to extract the Mt Wright orebody The production front in this mining method is similar to a sublevel cave SLC operation however backfill is placed into the top of the production zone as opposed to requiring the overlying strata to cave...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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  • Sublevel Shrinkage – the Mt Wright Story  AusIMM

    Sublevel Shrinkage – the Mt Wright Story AusIMM

    Following the evolution of the mine plan through a number of stages the ‘sublevel shrinkage SLS with continuous fill’ mining method was implemented in 2010 to extract the Mt Wright orebody The production front in this mining method is similar to a sublevel cave SLC operation however backfill is placed into the top of the production zone as opposed to requiring the overlying strata to cave

  • sublevel caving Archives  International Mining

    sublevel caving Archives International Mining

    Sublevel Caving SLC was selected as the mining method for the underground portion of the deposit based on the amenable geometry of the deposit and because productivity and cost advantages of SLC enable greater exploitation of the underground resource at greater margin than more selective mining methods Atlantic Nickel said

  • Sublevel caving  Underground Mining Theory and

    Sublevel caving Underground Mining Theory and

    Jun 14 2019 · Ore is blasted from the sublevel drifts using explosive charges in fan pattern drilled upwards while loading is performed using underground loaders If ore body is thick sublevel drifts are placed perpendicularly strike of the ore body in chess pattern but if narrow ore body is excavated sublevel drifts are located along the strike

  • Sublevel caving  Britannica

    Sublevel caving Britannica

    In mining Sublevel caving This method owes the first part of its name to the fact that work is carried out on many intermediate levels that is sublevels between the main levels The second half of the name derives from the caving of the hanging wall and Read More

  • What every mining professional needs to know about block

    What every mining professional needs to know about block

    Touted as the deep mining method of the future block caving is an underground massmining method that allows for the bulk extraction of large relatively lowergrade ore deposits that are vertical in orientation The method is an attractive alternative when planning to develop a new mine or to extend the life of an open pit operation

  • Underground Mining Methods  Mining Matters

    Underground Mining Methods Mining Matters

    slice Mining continues upwards towards the surface until the ore body is depleted Sublevel Caving Sublevel caving is usually carried out when mining of the ore body through an open pit method is no longer economically feasible Mining now proceeds underground underneath the open pit At first both a raise and a network of tunnels are made

  • Underground Mining Methods and Equipment

    Underground Mining Methods and Equipment

    The three major caving methods are • Longwall mining • Sublevel caving • Block caving Longwall mining is used in horizontal tabular deposits mainly coal while the others have applications in inclined or vertical massive deposits a lmost exclusively metallic or nonmetallic

  • Underground Mining Methods  MineralsEd

    Underground Mining Methods MineralsEd

    Sublevel caving is usually carried out when mining of the orebody through an open pit method is no longer economically feasible Mining now proceeds underground underneath the open pit At first both a raiseand a network of tunnelsare made At different sublevels jumbos are used for long hole drilling drilling directly upwards into the roof

  • 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

  • Parameters influencing full scale sublevel caving

    Parameters influencing full scale sublevel caving

    Sublevel caving SLC is a mass mining method based upon the utilisation of gravity flow of blasted ore and caved waste rock 1 The method functions on the principle that ore is fragmented by blasting while the overlying host rock fractures and caves under the action of

  • Sublevel Shrinkage – the Mt Wright Story  AusIMM

    Sublevel Shrinkage – the Mt Wright Story AusIMM

    Following the evolution of the mine plan through a number of stages the ‘sublevel shrinkage SLS with continuous fill’ mining method was implemented in 2010 to extract the Mt Wright orebody The production front in this mining method is similar to a sublevel cave SLC operation however backfill is placed into the top of the production

  • sublevel caving Archives  International Mining

    sublevel caving Archives International Mining

    Sublevel Caving SLC was selected as the mining method for the underground portion of the deposit based on the amenable geometry of the deposit and because productivity and cost advantages of SLC enable greater exploitation of the underground resource at greater margin than more selective mining methods Atlantic Nickel said

  • Draw Control Strategy for

    Draw Control Strategy for

    The sublevel caving SLC mining method has evolved over the last 100 years The method was first used in the early 1900s in soft iron ore mines in Minnesota and Michigan USA Hartman and Mutmansky 2002 It represented an evolution from top

  • Cave mining 2040 advancing cave mining to meet future

    Cave mining 2040 advancing cave mining to meet future

    Jun 15 2018 · 7 Sublevel caving Sublevel caving is a method often evaluated in parallel with block andor panel caving options It requires multiple levels of development and ongoing ring blasting for production Sublevel caving allows for a more selective extraction but typically achieves lower production rates than block and panel caving methods

  • Underground Mining Methods  Mining Matters

    Underground Mining Methods Mining Matters

    slice Mining continues upwards towards the surface until the ore body is depleted Sublevel Caving Sublevel caving is usually carried out when mining of the ore body through an open pit method is no longer economically feasible Mining now proceeds underground underneath the open pit At first both a raise and a network of tunnels are made

  • Types of Mining Methods  Sell Side Handbook

    Types of Mining Methods Sell Side Handbook

    Mar 09 2018 · As compared to other mining methods sublevel caving allows for a quicker and less expensive mining process However sublevel caving leads to greater dilution and is therefore used for lower ore bodies The costs for sublevel caving range from 58tonne Block Caving Block caving is the logical stepup of sublevel caving

  • Design of a new layout for sublevel caving at depth

    Design of a new layout for sublevel caving at depth

    Abstract LKAB has been mining iron ore with the sublevel caving mining method in northern Sweden for more than 60 years Throughout the years LKAB has improved this mining method to stay competitive in a tough international iron ore market Improvements in drilling and blasting technology have helped LKAB increase the scale of sublevel caving and therefore decrease its mining costs in

  • Underground Mining Methods and Equipment

    Underground Mining Methods and Equipment

    Caving methods are defined as those associated w ith induced controlled massive caving of the ore body the overlying rock or both Th e exploitation workings in caving methods are designed to collapse with intentional caving of the ore andor host rock The three major caving methods are • Longwall mining • Sublevel caving

  • Underground Mining Methods  MineralsEd

    Underground Mining Methods MineralsEd

    Sublevel Caving Sublevel caving is usually carried out when mining of the orebody through an open pit method is no longer economically feasible Mining now proceeds underground underneath the open pit At first both a raise and a network of tunnels are made

  • 432 Underground Mining Methods  ABC 123 Testing Site

    432 Underground Mining Methods ABC 123 Testing Site

    Caving methods Caving methods include block caving sublevel caving and longwall emphasis allow me to repeat what I said earlier caving methods are used in settings where the ore or the host rock is so weak that it cannot support its own weight for any period of time the methods only work if the rock or the ore will readily cave under its own weight

  • Special issue on block and sublevel caving

    Special issue on block and sublevel caving

    Special issue on block and sublevel caving Caving mining methods are not new This ultimate underground mass mining approach has been practiced around the world for more than a century It is true however that cave mining and more specifically block Cave mining methods rely on the natural properties of the rock mass and natural forces

  • PDF Underground Mining Method Selection Using WPM

    PDF Underground Mining Method Selection Using WPM

    The mining method optimization in subsea deep gold mines was studied First an index system for subsea mining method selection was established based on technical feasibility security status

  • Characterization and empirical analysis of block caving

    Characterization and empirical analysis of block caving

    When it comes to mining method 67 percent of the cases involve block caving with 16 percent using sublevel caving to adapt to the local topography andor orebody type Fig 1b The integrated use of two methods in tandem – block caving plus sublevel caving or block caving plus panel caving – is increasing to facilitate excavation as well