Engineering and Mining Journal - Whether the market is copper, gold, nickel, iron ore, lead/zinc, PGM, diamonds or other commodities, E&MJ takes the lead in projecting trends, following development and reporting on the most efficient operating pr
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DECEMBER 2013 • VOL 214 • NUMBER 12 FEATURES Teaching Tire Awareness Properly trained techs service tires safely ......................................................48 A Good Air Flow As mines become deeper and hotter with more diesel-engine vehicles in use, ventilation systems need careful design and tuning. E&MJ; looks at some of the opportunities—and the critical need for a responsible approach to fresh air supply. ........................................................................................60 Didipio: A Philippines Success Story After commissioning in April 2013, the gold-copper operation quickly achieved commercial production rates three months later ............................72 Scaling-up Shaft Safety New shaft inspection services and technology offer the prospect of quicker— but more effective—underground checks, with less risk to personnel ..............80 Turkey's Mining Industry Comes of Age Already Europe's largest gold producer, its miners are targeting $15 billion in mineral exports by 2023—more than triple the current level ....................86 Return on Sustainability: Workforce Housing for People, Plant and Profit Well-organized workforce housing can be a valuable partner for companies pursuing their sustainable development goals, as well as a component of long-term profitability ....................................................................................88 Pressurizing with Dust Collectors Guidelines on how to apply a concept that is appropriate for mine and plant environments, where dust generated during crushing, screening, and conveying must be controlled to protect workers, office spaces and sensitive equipment ....92 New Blasting Technologies Challenge Customary Practices Alternatives to conventional explosives and traditional loading methods offer the prospect of better blasting results in both surface and underground applications ..............................................................................96 Best Practices for Bearing Protection A simple method now allows VFD-induced electrical bearing damage to be prevented—not just repaired................................................................99 Energy and Cost Comparisons of HPGR-based Circuits UBC researchers compare the cost of novel comminution techniques with the Huckleberry mill's existing circuit ..................................................102 Special Report: British Columbia's Mining Industry & Vancouver, the World's Mining Barometer In spite of adverse economic conditions, mining in British Columbia stands in great stead for growth, while Vancouver's myriad of mining companies continue to operate in all corners of the world ..........................113 LEADING DEVELOPMENTS Nyrstar Investing to Increase its Smelting Returns ..........................................4 Cliffs Shelves its Fire Chromite Project ............................................................5 Bingham Canyon Beats Timetable to Open-pit Access After April Slope Failure ....5 Vale Sells its 22% Interest in Norsk Hydro........................................................6 This month E&MJ; offers several ideas to help mining engineers and metallurgists make wise decisions; they range from tire programs on the surface to ventilation strategies underground to economical grinding in the mill. On the cover, tire technicians prepare to change a tire on a Komatsu 830E haul truck at Teck's Greenhills operations near Sparwood, B.C. DEPARTMENTS Calendar ......................................................44 Classified Advertisements ........................158 CSR Watch ................................................142 Equipment Gallery......................................154 From the Editor ..............................................2 Markets ......................................................160 Operating Strategies ..................................144 People ..........................................................16 Processing Solutions ..................................150 Suppliers Report ........................................146 This Month in Coal........................................40 AROUND THE WORLD U.S. & Canada: Fort Hills Oil Sands Project Gets Go-ahead ..........................10 Latin America: Barrick Halts Pascua-Lama Construction ............................20 Australia/Oceania: PanAust Buying Glencore Xstrata's Frieda River Interest....24 Africa: Ivanhoe Planning Two-phased Development for Kamoa ....................28 ....................................32 Asia: Exploration Roundup: Seabridge Seeing Major Copper Potential ..................36 www.e-mj.com DECEMBER 2013 • E&MJ; 1