Modern Mining June 2018

MODERN M I N I N G

CONTENTS

JUNE 2018

ARTICLES

COVER 18 Redpath positions itself for African growth DIAMONDS 22 Thorny River diamond project shows promising economics FEATURE – POWER SUPPLY AND ENERGY EFFICIENCY 26 Pace-setting solar farm inaugurated at Otjikoto 31 Hybrid power solutions now competitive for Africa’s mines 34 JB Switchgear completes another project in Africa REGIONAL FOCUS – WEST AFRICA 36 Resource base at Wahgnion gold project grows by 33 % 39 Avenira plans Baobab expansion 42 GSR makes the transition to underground production COMPANIES 46 Reagent experts spread wings through Africa and abroad REGULARS MINING NEWS 4 Cradle Arc announces maiden ore reserve for Mowana 5 Discovery at gold project could be a game-changer 6 SSM completes expansion at mineral sands mine 7 Resolute Mining acquires an interest in Orca Gold 8 Timeframe established for Khoemacau project 9 Capital cost estimate completed for lithium project 10 Botswana’s coal potential highlighted at BRSC 11 DRA backs new fund targeting the mining industry 12 Tsodilo delivers BK16 diamonds for acid cleaning 14 Shanta Gold updates Singida resource 15 HPGR testwork for Achmmach produces positive results 16 Jaw crusher installed underground at Kipushi PRODUCT NEWS 48 FLSmidth offers economical options for large thickeners 49 Rand-Air expands its generator fleet 50 Atlas Copco offers dewatering pump solutions 51 Warning device combines strobe light and siren 52 Condra wins another order from Kamoto Copper 53 SCA develops intermodal side tipper bin 54 MBE focused on support for optimal performance 55 Maptek showcases its Sentry system 56 ELB Equipment sees rising demand for excavators

Editor Arthur Tassell Advertising Manager Bennie Venter e-mail: benniev@crown.co.za Design & Layout

Darryl James Circulation Brenda Grossmann Publisher Karen Grant

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Deputy Publisher Wilhelm du Plessis Printed by: Shumani Mills Communications

The views expressed in this publication are not necessarily those of the editor or the publisher.

Published monthly by: Crown Publications cc P O Box 140, Bedfordview, 2008

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Tel: (+27 11) 622-4770 Fax: (+27 11) 615-6108 e-mail: mining@crown.co.za www.modernminingmagazine.co.za

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Cover Our cover image shows a conveyor that was installed, operated and maintained by Redpath Mining Africa at Maseve platinum mine in theWestern Bushveld. The 1 km con- veyor towards Block 11 links to the mine’s underground silos and exist- ing 1,4 km conveyor to surface. See page 18 for a full story on Redpath’s African operations.

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Average circulation (January–March 2018) 5026

June 2018  MODERN MINING  1