raise borer for gold mine

  • Dumas :: Mine Development

    Our mechanized raise climbers are used in some of the deepest mines in North ... Dumas is able to provide world-class raise boring capability to our clients.

  • Raise-boring experiences in the gold mines of the Anglo ... - saimm

    Initial raise-boring experiences in South African gold mines showed disappointingly high costs due to the abrasivity and difficulty of drilling Witwatersrand.

  • At great depth - SRK Consulting

    Nov 1, 2013 ... From the early nineties, the gold mining industry has been under severe ... the feasibility of using raise-bore machines to drill out gold bearing...

  • International Mining Underground Development - The Mancala Group

    from shaft sinking to raise boring and drill and ... An established global leader in underground mining, Dumas now ..... Gold at their Young-Davidson mine in.

  • MSHA - Metal and Nonmetal Mine Fatal Accident Investigation ...

    (Gold) Fatal Fall of Person Accident Dynatec Mining Corporation ID No. WJ6 at ... The two raises were excavated using traditional raise bore techniques. Ground...

  • Mechanised mine development utilising rock cutting and boring ...

    Raise, blind and shaft boring offer mechanised solutions for excavations such as:- .... At Kloof Gold Mine South Africa, a 1 100 metre deep, 4.1 metre diameter.

  • Stoping - Wikipedia, the free encyclopedia

    Stoping with an air drill in an American iron mine in the 20th century (museum exhibit) .... A large stope in the Treadwell gold mine, Alaska, USA 1908; an example of ... Raise bore, a circular shaft mined bottom up using mechanical rollers to...

  • Top 13 Raise Bore Driller profiles | LinkedIn

    Current, raise bore driller at Australian contract mining ... Current, LH Service Crew / Charge Crew at Gold Fields Ltd. Past, DEVELOPMENT JUMBO...

  • TRB-Raise Borers Ltd - Facebook

    TRB-Raise Borers manufactures Rhino raise boring machinery. ... Rhino 100HM has helped Agnico Eagle Kittilä Gold mine achieve new production records.

  • Waihi Vent Shafts

    As part of the Newmont Waihi Gold development of the Favona Mine two 2.5m ... The conditions made conventional raise boring methods impractical so...

  • Raise Drills - Australian Contract Mining

    Australian Contract Mining (ACM) has Raise Hole Boring capability having taken delivery of a new 34 R.H.W Raise Bore and Box Hole drilling machine. ... per annum Trident underground gold mine at Higginsville in WA's Eastern Goldfields.

  • General Raise Boring Record Brings New Drilling Contracts

    Jul 10, 2009 ... Raise Boring Record Brings New Drilling Contracts From North ... 18.11-foot-diameter bore 2,275 feet long at Red Lake Gold Mines in Ontario.

  • Beaconsfield Rescue - Raisebore

    ... of 2.1 occurred at the Beaconsfield Gold Mine in Northern Tasmania (Australia), ... their equipment to bore a rescue shaft from the access drive to the 925L sill drive. The decision was made to utilise the RB 1000 series raise drill machine,...

  • Projects of Mining and Environmental Services in Idaho Springs ...

    MES' underground work had to be closely coordinated with the raise boring and .... MES performed the recovery and reinforcement of a gold mine adit portal and...

  • TERRATEC introduces large raise borer to Yunnan copper mines |

    Jul 1, 2015 ... The mines where the raise borer will work are located in the ... Next: Polyus Gold becomes first Russian member of ICMM and South32 joins...

  • Lecture 4: Underground Mining - SlideShare

    Nov 2, 2011 ... A large stope in the Treadwell gold mine 6) Long-hole Stoping6.1) ... Mine Development and Production Alimak Raising Raise Boring Surface...

  • Why Master Drilling lives up to its name - Master Drilling

    Apr 13, 2015 ... The world's largest raise bore drilling company, Master Drilling, operates ... into a corner of a string of large gold mines west of Johannesburg.

  • Rescue plans for 2010 Copiapó mining accident - Wikipedia, the ...

    ... 2010 at the San José copper-gold mine in the Atacama Desert near Copiapó, Chile. ... After the last trapped miner was winched to the surface, the rescue workers still ... In traditional raise boring operations, mining companies use a drilling...

  • New tech competitive this year – AngloGold - Mining Weekly

    Mar 2, 2015 ... The new raise-boring technology, which produced 100 kg of gold for AngloGold ... is targeted to be competitive with conventional mining this year.