Engineering & Mining Journal

JUN 2013

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 2013 • VOL 214 • NUMBER 6 LEADING DEVELOPMENTS Labor Issues Continue to Roil South Africa's Mining Industry ..........................8 Schweitzer Replaces McAllister at Stillwater ....................................................8 Alcoa Revises Baie-Comeau Modernization Schedule ......................................8 Tunnel Collapse Kills 28 at Freeport Indonesia Underground Training Facility ..........................................................................9 Wesizwe Bakubung....76 Capstone Buying Pinto Valley Mine from BHP ................................................10 AROUND THE WORLD U.S. & Canada: Nevada Copper Plans Two-stage Development at Pumpkin Hollow ................14 Latin America: Pueblo Viejo Dominicana Agrees to Lease Amendments ................................24 Exploration....80 Australia/Oceania: Rio Tinto Opens Argyle Underground Mine ......................................................28 Africa: Kinross Studying 38,000-mt/d Mill for Tasiast ..............................................32 Asia: Centerra Dealing with Waste-rock Dump Movement at Kumtor ......................36 Maintenance....86 Exploration Roundup: Colorado Resources Advances Exploration ....................................................40 DEPARTMENTS Calendar ........................................................................................................48 Classified Advertisements ..........................................................................166 Equipment Gallery........................................................................................160 From the Editor ................................................................................................4 Orbite....88 Markets ........................................................................................................168 Operating Strategies....................................................................................149 People ............................................................................................................20 Processing Solutions....................................................................................156 Suppliers Report ..........................................................................................152 This Month in Coal ........................................................................................44 2 E&MJ • JUNE 2013 Mining in Peru....113 www.e-mj.com

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