Engineering & Mining Journal

DEC 2012

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 2012 • VOL 213 • NUMBER 12 FEATURES Support in Many Forms Maintaining roof-support integrity is essential in any mime. E&MJ; looks at today's support options from the expert supplier's viewpoint ....................48 Software Solutions for Better Blasting Computerized tools for designing, recording and analyzing a blast offer 3-D visualization of terrain profiles, patterns and other parameters ............54 Oil Sands Miners Advance New Technologies for Tailings Management Producers are moving to commercial-scale projects after years of pilot-scale testing ..........................................................................................59 Conveyor Project Links New Lumwana Pit to Process Plant A 15-month project provides 5,100 mt/h of ore at Africa's largest copper mine....................................................................................................64 Special Report: Mining in Tanzania Africa's golden child ......................................................................................67 LEADING DEVELOPMENTS Canada's Largest Gold Mine Nearing Production ..............................................4 Glencore-Xstrata Merger Approved; Retention Package Rejected ....................4 PwC Reports on Australian and Canadian Miners ............................................5 Gold Fields Spin-off Plan: Two Distinct, Focused Companies............................5 In addition to an in-depth report on mining in Tanzania, this month E&MJ; reviews some of the developments in the area of ground support. On the cover, a miner shotcretes the rib with a wet mix containing BASF's alkali-free accelerator, using MEYCO's remote-controlled nozzle manipulator. (Photo courtesy of BASF) Harry Winston Agrees to Buy BHP Billiton's Diamond Assets ............................8 DEPARTMENTS AROUND THE WORLD U.S. & Canada: New Studies Advance Nevada Copper Projects ....................10 Latin America: Minera Panama Selects Equipment Vendors and Plant EPC Contractor ......................................................................................20 Australia/Oceania: Koniambo Nickel Ready for Production Start ..................24 Africa: Perkoa Zinc Project to Begin Concentrate Production ........................28 Exploration Roundup: Pretium Reports 66% Increase in Valley of the Kings Indicated Gold Resource ......................................................................36 Blasting Technology....54 www.e-mj.com Tailings....59 Calendar ......................................................44 Classified Advertisements ............................94 Equipment Gallery ........................................90 From the Editor ..............................................2 Markets ........................................................96 Operating Strategies ....................................82 People ..........................................................16 Processing Solutions ....................................88 Suppliers Report ..........................................86 This Month in Coal........................................32 Conveyor Systems....64 DECEMBER 2012 • E&MJ; 1

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