Engineering & Mining Journal

JUL 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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JULY 2018 • E&MJ 1 www.e-mj.com JULY 2018 • VOL 219 • NUMBER 7 FEATURES Remediation Helps Rescue a River Long-term reclamation projects lower the historically high-metal loading in the Animas River ........................................................................... 26 Harnessing Discharge Water for Sustainable Mining Mines need to find innovative ways to mitigate their impact, and water reuse strategies are a great approach for active operations ................ 32 Perfecting Products for a Dynamic Market The best-selling collision avoidance systems are maturing, evolving and finding their place in an industry transitioning to full automation ................ 36 Digital Initiatives Connect Safety Challenges and Solutions Interest in AI is booming as producers tap into ever-increasing data streams to make mining safer and more productive .............................. 42 Better Shotcrete Mixtures and Robotics Allow Rapid Development Several suppliers and service providers are looking at new ways to consistently apply shotcrete safely and quickly ......................................... 48 Virtual Drilling Leverages Rapid Design to Put Bit Advances in the Field Faster Bit makers replicate the interaction of the bit's cutting structure with the geological formation to evaluate designs ......................................... 52 The DRC Balancing Act At the recent conference in Lubumbashi, DRC leaders discuss how best to develop the country's mineral wealth, while improving one of the highest poverty rates in the world ........................................................ 56 LEADING DEVELOPMENTS BHP Initiates South Flank Iron Ore Project in Western Australia ........................4 Osisko Commits $180M to Falco Horne 5 Project ..............................................4 Premier Begins 2 New Projects at South Arturo .................................................5 Paladin Placing Langer Heinrich Uranium Mine on Care and Maintenance .......5 Rusal Starts to Ship Bauxite From Dian-Dian....................................................6 BHP Selling Cerro Colorado Copper Mine ...........................................................6 OceanaGold Increases 2018 Production Guidance ............................................6 AROUND THE WORLD U.S. & Canada: South32 to Acquire Arizona Mining...........................................8 Latin America: BHP, Vale Strike Deal to Suspend Samarco Lawsuit ............... 14 Australia/Oceania: Cleveland-Cliffs Selling Australian Iron Ore Assets ........ 16 Africa: Nevsun Extends Mine Life at Bisha..................................................... 18 Asia: Polyus Planning 1.6 Million oz/y of Gold Production at Sukhoi Log ........ 20 Exploration Roundup: Wallbridge Starts Ramp Development, Underground Drilling at Fenelon..................................................................... 22 On the cover, the San Juan Caldera in southwestern Colorado. The geologic formations in this region were loading rivers with metals long before miners arrived. They did, however, arrive. By the 1870s, the Eureka District, as it was known, had as many as 1,500 mines, 50 mill sites and eight smelters. All have been aban- doned. An expert explains how Sunnyside Gold's recal- amation efforts improved the situation. DEPARTMENTS Calendar ...................................................... 25 Classifi ed Advertisements ............................ 70 Equipment Gallery ........................................ 68 From the Editor................................................2 Markets ........................................................ 72 Operating Strategies .................................... 60 People .......................................................... 12 Processing Solutions .................................... 66 Suppliers Report........................................... 62 This Month in Coal ....................................... 24

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