Engineering & Mining Journal

JUN 2018

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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JUNE 2018 • E&MJ 1 www.e-mj.com JUNE 2018 • VOL 219 • NUMBER 6 FEATURES Footprint Reduction Afoot: Mostly Truckless Systems Are Commissioned Suppliers provide ore transport solutions that cut costs, reduce payrolls and further the sustainable mining paradigm ............................................... 42 Focusing the Flow Tight control of underground mine ventilation system performance can be an ongoing challenge, but software, hardware and service options for drafting better ventilation plans keep expanding........................................... 50 Safety Stats Point to Powered Haulage Problems Despite a significant decline in mining-related fatalities, some basic safety-related problems persist with powered haulage .................................. 58 New Options Will Improve Gyratory Crusher Performance In addition to major upgrades, suppliers also offer rebuild service and products to extend wear life ........................................................................... 68 Building a Management Strategy That Includes Diversity Data linking diversity in the workplace with higher levels of company performance is validating the need for a management strategy that includes diversity. Executive sponsorships of female employees are one way that organizations are raising the diversity bar, but this also requires female employees to take a more active role in managing careers. ............... 74 Unique Drilling Method Used to Develop Water Wells With less than 1% hole deviation, water-well drill nails target on first pass ...86 LEADING DEVELOPMENTS Alcoa, Rio Tinto to Develop First Carbon-free Aluminum Smelting Process .......6 Dugald River Achieves Commercial Production .................................................6 Rio Tinto Considers Selling Stake in Grasberg ...................................................6 Updated Study Provides Improved Business Case for Wafi-Golpu .....................7 Canpotex Opens Sales Office in Brazil ...............................................................8 Yamana Pours First Gold, Silver at Cerro Moro ..................................................8 Vedanta Studying Zinc Smelter-Refinery Complex for Gamsberg .......................8 AROUND THE WORLD U.S. & Canada: Barrick Purchases Stake in Midas Gold ................................. 12 Latin America: Sal de Vida Lithium Brine Project is a Go for Galaxy .............. 22 Australia/Oceania: Fortescue Celebrates 10 Years of Iron Ore Exports .......... 24 Africa: Ivanhoe's Platreef Shaft 1 Reaches Depth of 750 m ........................... 26 Asia: Centerra Gold Provides Update on Strategic Agreement With Kyrgyz Republic .............................................................................................. 30 Europe: Firesteel Resources to Restart Laiva Mine in Finland ....................... 32 Exploration Roundup: Newcrest Signs on for 6 New Gold Exploration Joint Ventures ................................................................................................. 34 This month, E&MJ reports on some new methods mines are employing for bulk material handling. On the cover, an operator loads ore into the Rail-Veyor system at the Goldex mine in Canada. (Photo: Agnico Eagle) DEPARTMENTS Calendar ...................................................... 38 Classifi ed Advertisements ..........................110 Equipment Gallery ......................................102 From the Editor................................................2 Markets ......................................................112 Operating Strategies .................................... 90 People .......................................................... 18 Processing Solutions .................................... 98 Suppliers Report........................................... 94 This Month in Coal ....................................... 36

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