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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MARCH 2016 • E&MJ; 5 MARCH 2016 • VOL 217 • NUMBER 3 This month, E&MJ; provides a global update on the gold market and the latest results from major gold produc- ers, see p. 30. On the cover, a Hitachi excavator loads a haul truck at Goldcorp's Los Filos mine in Mexico, which produced 272,900 oz last year. (Photo: Goldcorp) www.e-mj.com FEATURES Gold Marks Time While mine production mostly remained stable throughout 2015, other factors were in play in the gold market. E&MJ; looks at the influences on supply and demand, and the developing trends. ......................................30 Following the Flow Heap leaching has always offered a low-cost extractive solution with minimal environmental impact. Building on its inherent flexibility to accommodate new challenges, techniques and technologies, it shows no signs of lagging interest from producers or suppliers...............................38 South Africa's Finest Converge on Cape Town African miners face serious issues to survive a challenging market ............44 Mine Safety: Working Within the System Safety-oriented technologies—from simple to sophisticated—can offer valuable assistance in accomplishing the crucial mission of keeping workers and equipment secure from harm ....................................................50 Achieving World-class Mining Maintenance: Step 5—Organize Properly In the fifth installment of this six-part series, the author explains how identifying and structuring the right type of organization can improve maintenance performance..............................................................................56 E&MJ; Documents Discovery and Early Development As more rich mineral discoveries are made in the 1880s, miners begin to improve their methods for recovery ............................................................62 LEADING DEVELOPMENTS Roy Hill Ramping Up Production to 55M mt/y of Iron Ore..................................8 Sumitomo Adds to Morenci Interest ..................................................................9 Royal Nickel Buys Into 2 Producing Mines ........................................................9 Anglo American Platinum Investing in US Hydrogen Refueling Stations..........28 AROUND THE WORLD U.S. & Canada: Tahoe Resources Acquiring Lake Shore Gold ........................10 Latin America: Las Bambas Begins Shipping Copper Concentrate................14 Australia/Oceania: Golpu Studies Support Two-stage Block Cave Development ..................................................................................................16 Africa: Budget, Job Cuts Ahead for South32 African Manganese Operations....18 Asia: Parliamentary Resolution Advances Centerra's Gatsuurt Gold Project ....20 Exploration Roundup: Aston Bay Attracts BHP Billiton as Potential Storm Project Partner................................................................................................22 Safety Systems....50 Gold Market....30 Heap Leach....38 DEPARTMENTS Calendar ......................................................26 Classified Advertisements ............................78 Equipment Gallery ........................................74 From the Editor ..............................................2 Markets ........................................................80 Operating Strategies ....................................68 People ..........................................................12 Processing Solutions ....................................72 Suppliers Report ..........................................70 This Month in Coal........................................24