• Keeping up with caving - Redpath Mining | Mining ...

    Sub-level caving also allows for a slightly more selective extraction of the orebody than is attainable through block or panel caving. Production rates achieved in sub-level caving operations are typically lower than for block caves but higher than for stoping methods." CAVING requIremeNts Caving is a non-selective, bulk mining method.

  • This Australian mining tool could save lives world-wide ...

    Nov 27, 2018· The growing popularity of the block-caving and sublevel-caving mining methods around the world is largely due to the very low production cost and the intrinsic safety associated with these mining ...

  • Stoping Mining Methods - Metallurgist & Mineral Processing ...

    Caving Methods of Mining. There are three distinctive methods of working large deposits that involve, in some way, the factor of caving. Slightly different names are in use, but those that are simple as well as descriptive are top slicing, sublevel caving, and block caving.

  • Mining Methods: Block Caving | Geology for Investors

    Block (gravity) caving is a bulk underground mining method, which allows large low-grade deposits to be mined underground. This method involves undermining the orebody to make it collapse under its own weight into a series of chambers from which the ore extracted. It is a useful technique to extend ...

  • SUBLEVEL CAVING TECHNIQUE by Partha D Sharma -

    Jun 25, 2010· Sublevel caving is usually carried out when mining of the orebody through an open pit method is no longer economically feasible. Mining now …

  • Parameters influencing full scale sublevel caving material ...

    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 caving Archives - Newtrax Technologies Inc.

    Dec 01, 2016· Sublevel Caving . Sublevel Caving is one of many different methods for underground hard rock mining. It is a large-scale mining method suitable for large ore bodies with a steep dip and a rock mass with a host rock in the hanging wall will fracture under controlled conditions.

  • Underground Mining Methods and Applications Production Headframe Hans Hamrin* 1.1 INTRODUCTION Ore is an economic concept. It is defined as a concentration of minerals that can be exploited and turned into a saleable product to generate a financially acceptable profit under existing economic conditions. The definition of ore calls for ...

  • Underground Mining Methods and Equipment

    stoping, cut-and-fill, longwall mining, sublevel caving, and block caving. The second section describes underground mining equipment, with particular focus on excavation machinery such as boomheaders, coal cutters, continuous miners and shearers. 1. Underground Mining Methods 1.1. Classification of Underground Mining Methods

  • Major Mines & Projects | Finsch Mine

    The cave mining method is proposed for Finsch Block 5 by detailing the findings of modelling and design work. There are three mining methods which are the most applicable to the Finsch Block 5 orebody:-Sublevel caving (SLC)-Block caving (BC)-Front caving (FC).

  • Sublevel caving - QueensMineDesignWiki

    Sublevel Caving Technique - Free download as PDF File (.pdf) or read online for free. An underground mining method used in large, steeply dipping orebodies where the wall rock is of an incompetent nature. Parallel drives are developed in the ore on equally spaced levels. The ore is then drilled and blasted using longholes between levels, often in a circular or fan pattern, on retreat.

  • Open pit or block caving? A numerical ranking method for ...

    The increasing move to block cave mining methods (including sublevel and panel caving) to access deeper and lower grade ore deposits as near surface sources …

  • Block caving method - SlideShare

    Jul 14, 2014· This method is unlike sublevel caving, in that both the ore and the rock are normally involved in the caving. As in sublevel caving, The caving proceeds in a columnar fashion to the surface. The result is massive subsidence, accompanied by the exceptionally high production rate and great areal extent characteristic of block caving. 3.

  • Sublevel caving - ScienceDirect

    This characteristic interplay of forces can create suitable conditions for sublevel caving even at greater mining depths below ground level. The formulae quoted above for the approximate calculation of the parameters of sublevel caving or front caving can be applied for mining descending from foot wall to hanging or vice versa.

  • New to our Series! – Order now: Guidelines On Caving ...

    Oct 12, 2017· The term 'cave mining' is used in these guidelines to include non-selective mass underground mining methods that harness the energy generated by gravity and induced stresses in order to break ore rocks in situ for subsequent transport and processing. The variants of the method include block, panel, inclined, front and sublevel caving.

  • Sub Level Caving - Rana Gruber

    Sub level caving. After more than 30 years of open pit mining, Rana Gruber AS started underground mining using the sublevel open stoping method at the Kvannevann Mine in 2000. The mining has been continuously improved and further developed to suit the difficult …

  • What is the difference between sublevel stopping and ...

    Jul 04, 2017· See Definition of sublevel stoping. Sublevel Caving is a large-scale mining method suitable for large ore bodies with a steep dip and a rock mass with a host rock in the hanging wall will fracture under controlled conditions. Mining starts at the top of the ore body and progresses downwards in a safe sequence.

  • Block Cave Mining - Courses and Live Webcasts - Edumine

    Block Cave Mining - Courses and Live Webcasts. Online courses, short courses and live webcasts about Block Cave Mining for mining and geoscience from Edumine.

  • Characterization and empirical analysis of block caving ...

    creasing number of mining operations in Asia are adopting cave mining methods (Fig. 1a). 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 and/or orebody type (Fig. 1b). The inte-

  • Caving Underground Mining Methods (longwall, Sublevel ...

    Oct 23, 2014· Caving Underground Mining Methods (longwall, Sublevel caving, & Block caving) 1. 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.

  • Underground mining methods - Thailand

    Sublevel caving mining method . Sublevel stoping mining method . The sublevel stoping mining method is commonly used in large scale mining. It is a versatile and productive method that is primarily used for large orebodies with a steep dip, regular shape and defined ore boundaries.

  • Sub-level caving success at Syama - Mining Magazine

    Unlike other bottom-up caving methods (block cave, panel cave) sub-level cave mining is a top-down method and therefore does not require large initial investments in mining infrastructure prior to commencement. The Syama sub-level cave commenced on …

  • Sublevel caving | Britannica.com

    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

  • REGISTRATION BROCHURE FOURTH INTERNATIONAL …

    ON BLOCK AND SUBLEVEL CAVING 15 17 October 2018 | Vancouver Convention Centre | Vancouver, Canada The growing popularity of caving methods around the world is largely due to the very low production cost and the intrinsic safety associated with the mining approach. It is often the only viable mining method for some of the

  • Sub-level open stoping - QueensMineDesignWiki

    This method is usually considered as an alternate to sublevel caving when a lower dilution method is needed and where the rock is fairly competent. The production for a mine using sublevel stoping can range from 15- 40 tons/employee-shift, while one stope can produce greater than 25000 tons per month.

  • Cave Mining - Today's Challenges - SRK

    Apr 08, 2016· The industry perception is that sublevel caving is a "dirty mining method" (i.e. high dilution and low recovery). However, there were several successful sublevel cave mines executed in the past. The success of a sublevel cave mine is not by chance - they are engineered to perform.

  • Underground mining methods - Epiroc

    Dec 18, 2018· Sublevel caving mining method . Sublevel stoping mining method . The sublevel stoping mining method is commonly used in large scale mining. It is a versatile and productive method that is primarily used for large orebodies with a steep dip, regular shape and defined ore boundaries.

  • (PDF) Underground mining Methods - ResearchGate

    Caving (i.e., Sublevel and Block) mining methods are v aried and versatile an d involve ca ving the ore and/ or the overlying rock. Sub sidence of the surface normally occu rs afterwar d.

  • Sublevel Caving Mining Method - Newtrax Technologies Inc.

    Sublevel Caving . Sublevel Caving is one of many different methods for underground hard rock mining. It is a large-scale mining method suitable for large ore bodies with a steep dip and a rock mass with a host rock in the hanging wall will fracture under controlled conditions.

  • Sub Level Caving | Free Essays - PhDessay.com

    Proper fragmentation and blasting efficiency is evaluated by measuring the percentage of muck which is able to pass the designated blast size. 3. Description of sublevel caving method – An underground mining method used in large, steeply dipping orebodies where the wall rock is of an incompetent nature.