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 2014 • E&MJ; 1 JUNE 2014 • VOL 215 • NUMBER 6 This month, E&MJ; covers PanAust's transition from a junior explorer to a successful mining company, which can be largely attributed to its successful operations in Laos. On the cover: the Ban Houayxai gold-silver project in Laos. (Photo courtesy of PanAust) www.e-mj.com FEATURES Equipment Selection is Key for Productivity in Underground Loading and Haulage Making all the right choices can significantly reduce cost per ton, increase worker safety and minimize required maintenance.......................... 46 Taking Stock of Site Security Effective mine security requires preparation, awareness and prevention. Here's a look at some of the latest services and products that can help mine operators meet the challenge. .............................................................. 56 Optimizing Crusher Control Crushers are energy-hungry pieces of equipment, so optimizing drive and control systems makes good economic sense ........................................ 58 Laos Gives PanAust Perfect Kick-start Capitalizing on recovery improvement program, PanAust evolves from a junior explorer into a producer with a market cap of $1.1 billion................ 64 Media Selection and Installation—The Fast Track to Screening Success The correct choice of media can be critical to the effectiveness of screening. Wire, rubber and polyurethane are all contenders, while suppliers have been focusing on making screen-panel maintenance simpler and quicker. ...... 72 Real-time DPM Monitoring NIOSH develops a new tool for assessing and controlling exposure .............. 78 Uzbekistan Plans to Increase Gold Production State-owned gold miners are rebuilding old works and opening new mines to grow production in the face of retiring capacity .............................. 82 Conveyor System Helps Mexican Gold Mine Improve Efficiencies A properly engineered overland conveyor system helps a mine eliminate long truck hauls ............................................................................................ 88 Three Steps to Improving Mine Performance Combining elements from performance improvement programs while focusing on the people side of the equation proves successful for some underground operations ................................................................................ 92 Managing Environmental Risk with Mitigation Banks Mitigation banks are an increasingly popular way for resource companies to meet environmental obligations in a more predictable and timely fashion .... 102 Special Report: West Africa's Mining Industry A rising mining market emerges in a challenging global context ................ 115 LEADING DEVELOPMENTS Project Partners Sign Foundation Agreement for $20B Simandou Iron-ore project ................................................................................................4 Nyrstar Proceeding with Port Pirie Redevelopment ..........................................5 Barrick Facing $6B Pascua-Lama Lawsuit ......................................................5 BHP Billiton Reviewing its Nickel West Business ..............................................6 Rio Alto and Sulliden Combine to Create Peru-focused Company ....................6 AROUND THE WORLD U.S. & Canada: Baffinland Receives Approval to Ship from Mary River ....................8 Latin America: Three Development Options for Exeter's Caspiche Au-Cu Deposit ............18 Australia/Oceania: Rio Tinto Hits 290M Tons of Iron Ore on Way to 360M Target ................22 Africa: African Barrick Plans Major Expansion at Bulyanhulu ..............................26 Asia: Newmont to Suspend Mining at Batu Hijau Due to Export Restrictions ............30 Exploration Roundup: Antofagasta Earning-in to Argonaut's Zambia Project ......34 DEPARTMENTS Calendar ......................................................42 Classified Advertisements ........................142 CSR Watch ................................................128 Equipment Gallery......................................138 From the Editor ..............................................2 Markets ......................................................144 Operating Strategies ..................................130 People ..........................................................14 Processing Solutions ..................................136 Suppliers Report ........................................134 This Month in Coal........................................38 EMJ_pg01_EMJ_pg01 6/4/14 9:16 AM Page 1