Engineering & Mining Journal

AUG 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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AUGUST 2018 • E&MJ 1 www.e-mj.com AUGUST 2018 • VOL 219 • NUMBER 8 FEATURES Development of Dry Gravity Separator A retirement hobby may lead to mineral processing breakthrough ................. 30 Technology vs. Sales — The Ongoing Battle in the Blasting Business How to avoid getting caught up in technology hype that does not present any real advantage............................................................................ 34 Designed to Stay Off Your Mind The latest in screening solution offerings are promoted as producing results while reducing labor costs.................................................................. 38 Keep Mine Tires Turning With Something Old, Something New New technologies can help fleet operators run OTR tires at peak performance, but even high-tech needs backup from time-tested practices such as proper selection, basic service and committed management ................................... 42 Guided Spotting A new open-pit loading technology to improve excavation load cycles ........... 46 Mining's Contribution to National Economies The extraction and export of minerals spurs economic development .............. 48 Special Report: Mining in Peru The industry is on the march again ................................................................ 57 LEADING DEVELOPMENTS Rio Tinto Achieves First Delivery of Iron Ore With World's Largest Robot ............4 Inalum Buys Rio Tinto's Interest in Grasberg .....................................................4 Newmont Acquires 50% Stake in Galore Creek .................................................5 Barrick Strengthens Cooperation Agreement With Shandong Gold ....................5 De Beers to Acquire Peregrine Diamonds ..........................................................6 Cameco Suspends Production at McArthur River Indefinitely ............................6 AROUND THE WORLD U.S. & Canada: Newmont Completes 2 Nevada Gold Projects ...........................8 Latin America: New Legislation Modernizing Brazilian Mining Legal Framework ............................................................................................ 16 Australia/Oceania: Century Mine Advances Toward Production ..................... 20 Africa: Commissioning Begins at Gamsberg ................................................. 22 Asia: Polymetal Starts Up Kyzyl Gold Mine ...................................................... 24 Exploration Roundup: Hummingbird Initiates Extensive Drill Campaign at Yanfolila in Mali ......................................................................................... 26 This month, E&MJ, with the help of RMG Consulting, explains how mining contributes to low- and middle- income economies. On the cover, ore is stockpiled at the Tongon gold mine in Côte d'Ivoire. It's operations, such as these, have propelled African countries to the top of the MCI-W Index (Photo: Randgold Resources) DEPARTMENTS Calendar ...................................................... 29 Classifi ed Advertisements ..........................102 Equipment Gallery ........................................ 98 From the Editor................................................2 Markets ......................................................104 Operating Strategies .................................... 90 People .......................................................... 14 Processing Solutions .................................... 96 Suppliers Report........................................... 92 This Month in Coal ....................................... 28 Screening Machines....38 Tires....42 Loading Techniques....46

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