Engineering & Mining Journal

APR 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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APRIL 2018 • E&MJ 1 www.e-mj.com APRIL 2018 • VOL 219 • NUMBER 4 FEATURES Peru's Biggest Gold Mines Seek Life Extensions As grades fall and costs rise, the majors act on plans to goose production in the near term............................................................................ 40 Six Sigma Blasting Implementing a process improvement plan for blasting can improve downstream operations .................................................................................. 46 Get Better Recovery From Heap-leach Systems From comminution to pad design, miners are reviewing options for precious metals.............................................................................................. 52 Advanced Systems Offer Consistent Low-cost Material Handling Solutions TAKRAF discusses three recent projects ......................................................... 56 Low-profile Mechanized Mining Leading local innovation at the heart of gold and PGM miner's mechanization drive ....................................................................................... 60 Maximizing Motor Skills Miners are moving toward 'intelligent mining,' 'the connected mine,' and IoT. Electric motor suppliers are intent upon expanding their market. Consequently, motors, drives and couplings are getting smarter — and easier to install, control and monitor. ............................................................ 64 Special Report: MIning in Saskatcheman & Manitoba ................................. 69 LEADING DEVELOPMENTS Hecla Buys Klondex Mines .................................................................................4 Anglo Suspends Production at Minas-Rio for 90 Days .......................................4 Leagold Acquiring Brio Gold ..............................................................................4 Production Resumes at Cadia ...........................................................................5 Cleveland-Cliffs Breaks Ground on HBI Plant in Ohio .......................................5 Finland Tops Fraser's 2017 Mining Survey .........................................................6 Anglo Commits to Ambitious Sustainability Strategy ........................................6 AROUND THE WORLD U.S. & Canada: Production Begins at Silvertip Mine .........................................8 Latin America: Newcrest Investing in Lundin Gold, Fruta del Norte Project .....16 Australia/Oceania: Dacian Pours First Gold at Mount Morgans ..................... 20 Africa: Mining Industry Submits Code Proposal to DRC Government ............. 24 Asia: Earthquakes Ravage PNG Highlands ..................................................... 28 Europe: KGHM Posts Loss as Copper Prices Rise ........................................... 30 Exploration Roundup: Minerals Exploration Spending Turns Up in 2017 ....... 32 This month, E&MJ offers ideas on how to improve blasting operations. On the cover, a perfect launch with little or no fl yrock and no colorful emissions. (Photo: Anthony Konya) DEPARTMENTS Calendar ...................................................... 38 Classifi ed Advertisements ............................ 86 Equipment Gallery ........................................ 84 From the Editor................................................2 Markets ........................................................ 88 Operating Strategies .................................... 78 People .......................................................... 14 Processing Solutions .................................... 82 Suppliers Report........................................... 80 This Month in Coal ....................................... 34

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