bord and pillar mining at impala

bord and pillar mining at impala

  • Major Mines & Projects | Impala Mine

    Stoping widths are approximately 14m and 11m for conventional Merensky and UG2 Reefs, respectively, depending on the width of the economical reef horizon Mechanised (trackless) bord and pillar mining occurs in selected Merensky Reef areas at 14 Shaft The average stoping width of the mechanised panels is about 19mMining at Impala focuses primarily on two reefs, Merensky met by implementing a bord and pillar TM3 mining method Feasibility studies pointed out that bord and pillar TM3 mining could be mined at an acceptable profit margin in that specific ore block Mining cornmenced in late 2003I LU en

  • FACT SHEET IMPALA Impala Platinum

    The Merensky and UG2 reefs are mined concurrently and the mining method is predominantly conventional breast mining Mechanised bord and pillar mining occurs in selected Merensky Reef areas on two of the shafts (12 and 14 Shafts) Mining currently extends to a depth of around 1 000 meters, with most operationsAlthough the use of mechanised bordandpillar type mining with pillar support is common in the shallow (<500m below surface) bushveld chrome mines, the platinum mines have traditionally employed narrowwidth scraper mining as their stoping method, using pillars and elongates for supportLV 08 Design of Pillar Support System for TM3 at Depth I

  • Impala Platinum: Defined by geology African Mining Online

    Mechanised knowhow from Implats’ Zimplats mine, in Zimbabwe and its Two Rivers mine, in Mpumalanga had been migrated to bordandpillar sections ofThe Impala mining operation is located just to the north of Mechanised (trackless) bord and pillar mining occurs in selected Merensky Reef areas on two of the shafts (12 and 14 Shafts) The average stoping width of mechanised panels is about 19m Mine design and scheduling of operational shafts is undertakenThe Merensky and UG2 Reefs are mined concurrently;

  • Two Rivers Platinum Mine: the orebody, the mining

    Impala Platinum, respectively TRP is situated on the farm Dwarsrivier 372KT, in the southern The mining method is a mechanized bord and pillar layout, which will yield a total of 185 000 tons at full run of mine production from the underground UG2 mine 152 PLATINUM SURGES AHEADsimilar bord and pillar mining layout, currently approximately 30 m below surface The Merensky Shaft is planned to extract 14 500 t of ore per month in the trial mining phase, and thereafter it will build up to 180 000 t/month Regional geology The UG2 chromitite layer has been intersected in over 100 boreholes on the host farm DwarsrivierUnique fallofground prevention strategy implemented

  • (PDF) Narrowreef mechanized mining layout at Anglo

    pillar mining, and over the course of the past 15 years there have been significant improvements in both production and Mining method Bord and pillar Breast mining Breast miningMimosa Mining Company Jan 2017 Dec 20171 year Underwent a structured training program at a mechanized trackless bord and pillar mine in the following areas: MiningPrince Chigwaza Graduate Mining Engineer Mimosa

  • I LU en

    Mining at Impala focuses primarily on two reefs, Merensky met by implementing a bord and pillar TM3 mining method Feasibility studies pointed out that bord and pillar TM3 mining could be mined at an acceptable profit margin in that specific ore block Mining cornmenced in late 2003Although the use of mechanised bordandpillar type mining with pillar support is common in the shallow (<500m below surface) bushveld chrome mines, the platinum mines have traditionally employed narrowwidth scraper mining as their stoping method, using pillars and elongates for supportLV 08 Design of Pillar Support System for TM3 at Depth I

  • The Merensky and UG2 Reefs are mined concurrently;

    The Impala mining operation is located just to the north of Mechanised (trackless) bord and pillar mining occurs in selected Merensky Reef areas on two of the shafts (12 and 14 Shafts) The average stoping width of mechanised panels is about 19m Mine design and scheduling of operational shafts is undertakenImpala 0 1,023,608 1,859,000 2,200,000 2,103,000 1,920,000 FY05 FY06 FY07 FY08 FY09 6 11 12 Shaft Decline 12 12 Shaft South Decline 7 13 Bordandpillar mining layout 2 4 6m 12m 12m 4m 6m 18m 6m 6m Down DipDip M a i n h D i p C o n v e y o r o n e Strike Belt 1 1 3 S o u t h I I n t a k e A i r w a yMechanised mining at 12 shaft

  • Unique fallofground prevention strategy implemented

    similar bord and pillar mining layout, currently approximately 30 m below surface The Merensky Shaft is planned to extract 14 500 t of ore per month in the trial mining phase, and thereafter it will build up to 180 000 t/month Regional geology The UG2 chromitite layer has been intersected in over 100 boreholes on the host farm DwarsrivierImpala shares were issued to employees (ESOP transaction), this leaves Implats with a 96% attributable interest in Impala Impala, together with an area where a joint venture with the Royal Bafokeng Resources (RBR) is in place, holds contiguous mining and prospecting rights over a total area of 33 562ha across 20 farms or portions of farmsImpala implatsir

  • Design of Merensky Reef crush pillars T n s a c t

    at the Impala Platinum Mine This formula, Equation [1], shows a linear relationship between pillar size and peak strength [1] where: he accounts for the influence of a gully cut adjacent to one side of the pillar This influence was determined by Roberts et al7: [2] w and h are the pillar width and mining height, respectively,Analytical models Bayes’ rule Bord and pillar mining The application of the Qtunnelling quality index to rock mass assessment at Impala Platinum Mine Journal of South African Institute of Mining Metallurgy, 102(3), 155–165 Google Scholar Hatherly, P, & Luo, X (1999, June 15–18)Fundamental Principles for Ground Engineering |

  • (PDF) Narrowreef mechanized mining layout at Anglo

    pillar mining, and over the course of the past 15 years there have been significant improvements in both production and Mining method Bord and pillar Breast mining Breast miningMimosa Mining Company Jan 2017 Dec 20171 year Underwent a structured training program at a mechanized trackless bord and pillar mine in the following areas: MiningPrince Chigwaza Graduate Mining Engineer Mimosa

  • Unique fallofground prevention strategy implemented

    similar bord and pillar mining layout, currently approximately 30 m below surface The Merensky Shaft is planned to extract 14 500 t of ore per month in the trial mining phase, and thereafter it will build up to 180 000 t/month Regional geology The UG2 chromitite layer has been intersected in over 100 boreholes on the host farm DwarsrivierImpala shares were issued to employees (ESOP transaction), this leaves Implats with a 96% attributable interest in Impala Impala, together with an area where a joint venture with the Royal Bafokeng Resources (RBR) is in place, holds contiguous mining and prospecting rights over a total area of 33 562ha across 20 farms or portions of farmsImpala implatsir

  • Design of Merensky Reef crush pillars T n s a c t

    at the Impala Platinum Mine This formula, Equation [1], shows a linear relationship between pillar size and peak strength [1] where: he accounts for the influence of a gully cut adjacent to one side of the pillar This influence was determined by Roberts et al7: [2] w and h are the pillar width and mining height, respectively,African Rainbow Minerals and Impala Platinum, respectively TRP is situated on the farm Dwarsrivier 372KT, in the southern sector of The mining method is a mechanized bord and pillar layout, which will yield a total of 185 000 tons at full run ofTwo Rivers Platinum Mine: the orebody, the mining

  • Two Rivers Platinum mine: The orebody, the mining

    Two Rivers Platinum Mine (TRP) is a 55:45 joint venture between African Rainbow Minerals and Impala Platinum, respectively The mining method is a mechanized bord and pillar layout, which willTwo Rivers Platinum Mine (TRP) is a 55:45 joint venture between African Rainbow Minerals and Impala Platinum, respectively TRP is situated on the farm Dwarsrivier 372KT, in the southern sector of the eastern limb of the Bushveld ComplexTwo Rivers Platinum Mine : the orebody, the mining

  • Fundamental Principles for Ground Engineering |

    Analytical models Bayes’ rule Bord and pillar mining The application of the Qtunnelling quality index to rock mass assessment at Impala Platinum Mine Journal of South African Institute of Mining Metallurgy, 102(3), 155–165 Google Scholar Hatherly, P, & Luo, X (1999, June 15–18)A trackless bord and pillar mining method is employed in the thicker Merensky resource areas with mining heights varying between 20m and 22m A conventional hybrid breast mining layout is currently envisaged for the extraction of the narrow Merensky reef areaStyldrift | Royal Bafokeng Platinum

  • (PDF) Narrowreef mechanized mining layout at Anglo

    pillar mining, and over the course of the past 15 years there have been significant improvements in both production and Mining method Bord and pillar Breast mining Breast miningnewMiner Trackless Bord and Pillar Rustenburg Fempower Personnel 3,2 Rustenburg, North West Experience in mining operations with Drill Rigs and Bolters 5Years updip, downdip and winze mining experience Posted 3 days ago · MoreView all Fempower Personnel jobs Rustenburg jobsMiner Jobs December 2021 | Indeed South Africa

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