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(Click for frequent words.) 70 Guelb Moghrein 68 Kolwezi 68 Comisa 68 Kansanshi 66 Sodimico 65 Bwana Mkubwa 62 Kolwezi tailings project 61 Kolwezi Project 60 Lonshi mine 59 Kolwezi copper 59 Dikulushi 59 Kansanshi mine 58 Mutoshi 57 Mining LON FML 57 Tati Nickel 57 Mufulira smelter 57 Kansanshi copper gold 55 Kalumines 55 Kipushi 55 nickel concentrator 54 Akam Mining 54 Otjihase 54 Zun Holba 54 Cantung 54 Lumwana 54 Lumwana copper 54 Sishen Iron Ore 53 Dukwe Project 53 Swanmines 53 Katanga Province 53 Tsumeb smelter 53 Mupane 53 Gecamines 53 Gécamines 53 Zandkopsdrift 53 Naimanjal 53 Wodgina 53 Ovoot Tolgoi coal 53 Mines Gécamines 53 Bonte Koe 53 Societe de Developpement 53 Benkala 53 Wodgina mine 53 Kolwezi copper cobalt 52 Kulu copper 52 copper cobalt deposit 52 Dukwe 52 HMI Nickel 52 Tintaya mine 52 Carrières et des 52 TSX EQN ASX EQN 52 Sigma Lamaque 52 Dikulushi mine 52 Mowana mine 52 La Guitarra Mine 52 Tolukuma 52 Pampalo 52 Okimo 52 Porgera mine 52 Miguel Auza mill 51 Murrin Murrin nickel 51 Bucko Lake 51 Bucko Lake Mine 51 tailings leach 51 Kalukundi 51 Atomaer 51 Chambishi Metals Plc 51 La Generale 51 Ok Tedi mine 51 Batong Buhay 51 T'Boli gold silver 51 Tolukuma gold 51 Philip Pascall 51 Lamaque underground 51 Works Organisation FWO 51 Bulyanhulu gold 51 Geita Gold Mine 51 Langer Heinrich Uranium 51 Mina Isidora 51 subsidiary Barrick Goldstrike 51 MINCA 51 Shituru 51 Nkomati 51 Sleeping Giant gold 51 El Cubo mine 51 Bouroum 51 Borgakim 51 Inc. OTCBB NFEI 51 Dikulushi copper silver 51 Verkhotina 51 Damtshaa 51 Kinsevere 51 Debswana mines 51 Katangan Copperbelt 51 Kalumines Copper Cobalt 51 Samira Hill 51 Konkola copper 51 Aranzazu Project 51 EMEW 51 Mokambo Mine 51 Kareevlei Wes 50 Kalana Mine 50 SX EW processing 50 Ruashi Mining 50 Sahavaara 50 Chapada mine 50 Sleeping Giant mine 50 Kolwezi Tailings 50 CEZinc 50 Refugio Mine 50 openpit 50 Cantung Mine 50 San Cristóbal mine 50 Lumwana Mining 50 Dornod uranium 50 Adastra Minerals 50 Chief Executive Sean Menke 50 mining 50 Kinsevere copper mine 50 LaRonde mine 50 Holfontein 50 Ashdown molybdenum 50 Jerritt Canyon Mine 50 Inata gold 50 Bwana Lonshi 50 Cangalli 50 Merged JV Company 50 Batu Hijau copper 50 La Générale des 50 Namibia Pty Ltd. 50 Eersteling 50 Compania Guatemalteca de Niquel 50 Brule Mine 50 Luanshya Copper Mines 50 Carmacks Copper 50 Buffelsfontein Gold 50 Koornfontein 49 Tenke Fungurume 49 OKIMO 49 Ngezi 49 Nchanga smelter 49 Vele Colliery 49 Skorpion Zinc mine 49 Baluba copper mine 49 Tolukuma Gold 49 Gurvanbulag 49 alluvial diamond 49 Poracota 49 Cantung mine 49 alluvial mining 49 Mamahak 49 Nkana smelter 49 Lumwana Mine 49 Wouterspan 49 Chibuluma 49 Nariin Sukhait 49 dump retreatment 49 Murrin Murrin 49 Congo SPRL 49 Communications FTR 49 Orapa diamond 49 Debswana Diamond 49 Revemin mill 49 Akanani 49 Mining Licence 49 Magistral Project 49 AngloGold Ashanti Obuasi 49 Kiniero mine 49 Varvarinskoye Project 49 Canadile Miners 49 Mopani Copper Mines 49 Mvelaphanda Exploration 49 Varvarinskoye 49 Congo Katanga 49 Buzwagi 49 GoviEx 49 Kinsenda 49 Tau Lekoa 49 Kaunisvaara Project 49 Kabanga nickel 49 tpd mill 49 Jwaneng Orapa 49 Ruashi copper 49 Sardine Hill 49 Nambija 49 Ekati Diamond Mine 49 Kibali Goldmines 49 Boseto copper project 49 Andash 49 Malomir 49 Lebowa 49 Ulaan Ovoo coal 49 Mwambashi 49 Kipoi Central 49 Donkin Coal 49 Appolo Fuels 49 Los Bronces Los Pelambres 48 Levack Mine 48 Boroo 48 mined ores 48 Yandi mine 48 Lupoto 48 Antofagasta Minerals 48 Thakadu 48 Tulsequah 48 Rooderand 48 Stratmat 48 Vaaldiam Resources 48 Newmont Ahafo 48 Makhado coking coal 48 Aurizon Casa Berardi 48 Bogunay 48 Cerro Negro gold 48 Lanjigarh refinery 48 Rosebel Gold 48 Mukondo Mountain 48 Hotazel 48 tailings dumps 48 Burnakura 48 Boroo mine 48 Great Noligwa 48 Piedras Verdes 48 Tulawaka mine 48 Modikwa 48 Wiluna uranium 48 Marcopper 48 Tete Province 48 tailings retreatment 48 Aredor 48 Mowana Mine 48 residual leaching 48 Tabakoto Segala 48 Dominion Reefs 48 Mineros Nacionales 48 Kalsaka Gold 48 Tirisano Diamond Mine 48 Cheowa 48 Vectren Fuels 48 Amayapampa 48 Anvil Mining 48 Minara Resources Ltd 48 des Carrieres et 48 Las Cristinas mine 48 Medanito Sur block 48 Boroo Gold 48 Jerooy 48 PGM deposit 48 La Parrilla Silver 48 beneficiation plant 48 Afton Ajax 48 Freda Rebecca 48 openpit mining 48 Placer Dome CLA 48 SOQUEM INC. 48 Ofin river 48 Centromin 48 Lounge Tacoma Dome 48 Canatuan mine 48 Iron Ore Mining 48 Finsch Mine 48 Wits Gold 48 Omai mine 48 Kalgold 48 Otjikoto Gold Project 48 Turgai Petroleum 48 SouthernEra Resources 48 Irokinda 48 Kalsaka 48 Blyvooruitzicht mine 47 Aurizona gold 47 Talison Minerals 47 Prestea Underground 47 Canadile 47 Yalea underground mine 47 Topia Mine 47 Mukondo 47 Ivanhoe Mines Oyu Tolgoi 47 Imataca Forest Reserve 47 Luilu 47 Moatize coal project 47 Steelpoort 47 Mufulira copper 47 Gibraltar copper molybdenum 47 Macusani uranium 47 Donkin coal 47 Teck Coal 47 Kiniero 47 Lumwana mine 47 Sabodala gold 47 Syama gold 47 Klipdam 47 Matsitama Project 47 WAPCo 47 Obalapuram Mining Company 47 Mkuvia Alluvial Gold 47 Sishen mine 47 Inata Gold 47 San Antonio de Turiri 47 Ok Tedi copper 47 Palabora 47 Mapochs 47 Kevitsa 47 Chapada 47 Blyvoor 47 Grootegeluk mine 47 Storie Property 47 laterite nickel 47 Toquepala 47 Rosebel gold 47 Kansanshi Mine 47 Imataca Forest 47 Tiwest 47 Cerro Bayo mine 47 Ruashi 47 Dotiki 47 Kakanda 47 Mining Mandate 47 Letlhakane mines 47 Grande Cote 47 tailings disposal 47 AK6 diamond 47 Marvel Loch 47 Chubut Province 47 chromite ore 47 BRC DiamondCore 47 Kolomela 47 GoldCorp Holdings Co. 47 Rustenburg Platinum 47 Tulsequah Chief mine 47 Minister Maxwell Mwale 47 Murowa mine 47 Azulcocha 47 Tailings Storage Facility 47 Mantoverde 47 Niyamgiri bauxite 47 Xstrata Raglan 47 Cassiar Gold Camp 47 Lennard Shelf zinc 47 Kilimapesa Gold 47 Creston Molybdenum Deposit 47 Barberton Mines 47 Barapukuria 47 Alluvial Gold 47 Large Scale Mining 47 Minesadco 47 Caeté 47 Kun Manie 47 WBJV 47 Kutcho Project 47 Mines KCM 47 Gold Fields Kloof 47 Shovelanna 47 Segala gold 47 Yanacocha mine 47 Samancor 47 Steenkampskraal 47 Porgera Joint Venture 47 Cuajone mines 47 Lomas Bayas copper 47 Lac Herbin gold 47 Barplats 47 Orcopampa 47 Coricancha mine 47 Lero Gold 47 Munali 47 Kubaka 47 Bafokeng Rasimone Platinum 47 Waterberg coalfield 47 Marula Platinum 47 Steepbank 47 Azuay 47 tailings 47 Activox 47 Nalunaq Gold 47 Axmin 47 Cyprus Amax 47 Kumba Sishen mine 47 Gahcho Kue diamond 47 alluvial diamond mining 47 OTML 47 Crucitas 47 oxide ores 47 SXEW 47 Konkola Copper Mines 47 Aflease Gold Limited 47 Iduapriem 47 Ok Tedi Mining 47 Simberi Gold 47 Exploration Camec 47 Morococha 47 Mopani Copper Mine 47 Prospecting Rights 47 Mmamabula coalfield 47 Sasol Mining 46 pit bulk tonnage 46 Dutwa nickel project 46 Simfer 46 Lennard Shelf 46 Padcal mine 46 Aitik 46 recycling specialist ZincOX 46 Ivanhoe Oyu Tolgoi copper 46 Moolmans 46 Angostura gold 46 Huaron mine 46 slimes dams 46 Lumwana Copper Project 46 sulphide ores 46 DiamondWorks 46 Orgaman 46 Monto Minerals 46 Chiria iron ore 46 bauxite mines 46 Youga Gold Mine 46 Minera Alumbrera 46 Mupane Gold 46 Queenstake Resources USA 46 Elkview mine 46 Mineros Nacionales SA 46 alluvial diamond mines 46 Blackthorn Resources 46 Pilanesberg platinum mine 46 flotation concentrator 46 Updated Feasibility Study 46 Dolores Mine 46 MAX molybdenum 46 Aguas Tenidas 46 Ilo smelter 46 minesites 46 Sapphire Driller 46 Damang mines 46 WBJV Project 1 46 La Coipa 46 Tahmoor mine 46 Marampa 46 commercially mineable 46 Zambia Konkola Copper 46 De Bron 46 Xstrata Copper Las Bambas 46 Otjozondu 46 Ezulwini mine 46 copper cobalt mine 46 Elitheni 46 MDL Sabodala 46 Copper Mines KCM 46 Novoshirokinskoye 46 Sangaredi Refinery Project 46 Alluvial Diamond 46 Corumbá 46 Sierra Rutile 46 MMX Amapa 46 Chapada copper 46 Gaoua copper gold 46 Carborough Downs 46 Sishen iron ore 46 Vedanta bauxite 46 Chirano Gold Mine 46 Donkin Coal Project 46 Soumber deposit 46 Mantos Blancos 46 Marikana 46 Karchiga 46 Chubut Argentina 46 CNGG 46 Syama 46 mines 46 BRPM 46 Huckleberry Mines 46 Goldstrike 46 Quebrada Blanca 46 Arkhangelovskoe 46 Ekati diamond mine 46 BHP Billiton Ekati 46 Tulawaka 46 Omchak 46 Arehada China 46 copper cobalt 46 Buffelsfontein tailings recovery 46 Dos Pobres 46 Bulyanhulu 46 Friguia 46 heap leach mine 46 Modder East gold 46 Zuun Mod molybdenum 46 Itafos 46 Finsch mine 46 Ekati mine 46 Mupane mine 46 Damang mine 46 Genorah 46 Libertad Mine 46 tailings dams 46 Los Chorros Mine 46 Aguablanca 46 Burnstone Project 46 Modder East mine 46 Amantaytau 46 Pilanesberg Platinum Mine 46 Galamsey 46 El Torno 46 Spitzkop 46 Pyhasalmi Troilus 46 heap leach operation 46 AQPSA 46 Bajo de la 46 ZCCM 46 Aolunhua 46 Youanmi 46 Bokoni 46 Antofagasta Minerals SA 46 Nikanor Plc 46 Pilanesberg Project 46 Tiomin Resources 46 Esterhazy Saskatchewan potash 46 Sao Bento Mine 46 Camp Caiman 46 Yomhlaba 46 Munali Nickel Project 45 Mothae Diamonds 45 kimberlite diamond 45 Las Bambas 45 Ghanzi Copper Silver 45 Ga Phasha Project 45 Purity Manganese 45 Malmberget 45 Akwaaba Deeps 45 Pallancata silver 45 EPCM contract 45 Grand Remous 45 Boyongan 45 Geita Gold 45 Namakwa 45 Rooipoort 45 Sulphide Project 45 Alumbrera copper 45 Adumbi 45 Micrex 45 Moma Titanium Minerals 45 Afgem 45 Klondex Mines 45 Bindura Nickel 45 Mining Leases 45 Kayelekera 45 Turquoise Ridge 45 Woodie Woodie manganese 45 Panguna mine 45 Zincor 45 Suralco 45 Schefferville Area 45 Mooiplaats 45 Western Turner Syncline 45 NI #-# niobium 45 Namaqualand Mines 45 Mbada 45 Collahuasi mine 45 Morila joint venture 45 Omai Gold 45 Blyvooruitzicht 45 Mototolo 45 MineTech International 45 FM.TO Quote Profile Research 45 Michiquillay 45 Julietta mine 45 Sangaredi 45 Grootegeluk 45 Bankable Feasibility Study BFS 45 EVBC 45 FeNi III 45 Maikuben 45 Geita 45 Ventersburg 45 Pasto Bueno tungsten 45 Veladero mine 45 Tabakoto Mine 45 Minera Yanacocha 45 Buffelsfontein 45 Essakane Mine 45 Lerala Diamond Mine 45 Westmin Resources 45 artisanal mining 45 Moorvale 45 Porgera 45 Xiangzhen Mining 45 Cerro Casale deposit 45 Tirisano 45 Finsch diamond mine 45 ores mined 45 Adavale 45 Mmamabula 45 Marropino 45 Cassiar Moly property 45 Railway NFR 45 Hycroft Mine 45 Moolman Mining 45 Lumwana Copper Mine 45 Nalunaq 45 Buffels 45 Morupule 45 Chirano Gold 45 metallurgical coal mines 45 Navachab gold 45 Pamodzi Gold Orkney 45 bauxite deposits 45 Myra Falls 45 Cerro Verde mine 45 Pacific Kanon 45 El Sauzal gold 45 Kalumbila 45 Shyri 45 Dvoinoye deposit 45 Toguraci 45 Simandou project 45 ferronickel smelter 45 Uranium Equities 45 Kylylahti 45 Mactung 45 Erdenetsogt 45 Voorspoed 45 Sharyn Gol 45 Tenke Fungurume copper 45 copper ores 45 Increible 6 45 Vele coking coal 45 openpit mine 45 Manica Minerals Ltd. 45 Sally Malay 45 Fenix Project 45 Boikgantsho 45 Anglovaal 45 Xstrata Merafe chrome 45 Itakpe 45 Boodarie 45 Pascua Lama gold 45 Thabazimbi mine 45 Reko Diq copper 45 Schmidtsdrift 45 PTM Minerals 45 Dajinhe Coal 45 Cañariaco Norte 45 Kroondal 45 Camflo 45 ZMDC 45 Eastplats 45 Caijiaying zinc gold 45 Tasiast mine 45 Scharrig 45 CoAL 45 Iduapriem mine 45 Gullewa Project 45 Molejon 45 Nunavik nickel 45 Sub Nigel 45 Tampakan Project 45 DiamonEx 45 Samancor Manganese 45 La Jojoba 45 Martin Kabwelulu 45 Xstrata Alloys 45 Netas Mining 45 Philex Mining Corporation 45 Twangiza Namoya 45 Ruashi mine 45 Leeuwkop project 45 Honeymoon uranium 45 Bullabulling Gold Project 45 GoldFields 45 Carbones Colombianos del Cerrejon 45 Paulsens Gold 45 Kamistiatusset 45 SMCRA 45 Ayanfuri 45 DRC 45 Orapa Letlhakane 45 La Oroya smelter 45 Chambishi Copper Smelter 45 Lonmin Marikana 45 Evraz Highveld 45 Barrick Goldstrike 45 Sadiola Gold 45 Anker Coal Group 44 Paraiso Pambil mine 44 Teberebie 44 Angovia mine 44 Skorpion zinc mine 44 Wa Lawra 44 Runruno 44 mined ore 44 Morila mine 44 Cubiro 44 Xietongmen Project 44 Petrex Mines 44 Pisolite Hills 44 Orkney shafts 44 Rossing Uranium 44 conops 44 Summarized Results 44 Finsch 44 El Pauji concession 44 Krone Endora 44 Hamersley Iron 44 TSX IVN NYSE IVN 44 Amapá 44 Metates 44 Research Centers EFRCs 44 Indeni Oil 44 Colquipucro 44 Ezulwini underground 44 Manzako 44 Lonplats 44 Andacollo mine 44 Tau Lekoa mine 44 Cerro Corona 44 Los Bronces 44 El Tecomate 44 Peculiar Knob 44 opencast mines 44 chromite mines 44 Navidad silver 44 Erdenet 44 laterites 44 Tintaya 44 Prophecy Ulaan Ovoo coal 44 Ausam Resources 44 Voisey Bay mine 44 Khumani iron ore 44 Mining 44 Alto Ashanti 44 Citinickel 44 Ocensa 44 SACMH 44 Marampa Iron Ore 44 Paulsens gold 44 DRD Gold 44 Pamodzi Gold Free 44 Lomas Bayas 44 Tulawaka Mine 44 Xinavane 44 Denison Mines 44 Jimblebar 44 Constancia copper 44 Mining AIM FML 44 Bogoso Gold 44 MPRDA 44 producing Lanfranchi Nickel 44 Cassiterite 44 Kambalda nickel 44 Entree Ivanhoe Mines 44 Awaso 44 Corcoesto 44 Munali nickel project 44 Bellary Hospet 44 Mochito 44 SOMIKA 44 CODELCO 44 Shymkent refinery 44 Cerro Las Minitas 44 La Colosa 44 Changkeng 44 Mountaintop removal coal 44 Kouilou 44 Reefton Goldfield 44 MMCZ 44 Rosebud Mine 44 DRDGOLD Limited 44 GOZ 44 Raglan nickel 44 Koffiefontein mine 44 Eyesizwe Coal 44 tonnage milled 44 Veladero 44 Luangue 44 Mmamabula Energy Project 44 Zululand Anthracite Colliery 44 Tirisano Mine 44 Alvheim FPSO 44 Didipio Gold 44 Schmidtsdrift mine 44 Buckreef 44 Monto Coal 44 Mookane Domestic Power 44 Albras 44 Chirano 44 ASX MGN Magellan 44 Velardena 44 Shaft Sinkers 44 Lebowa transaction 44 Tulsequah Chief 44 copper smelting 44 zinc ores 44 Rössing 44 Balmat mine 44 AK6 kimberlite 44 acre Potash Subsurface 44 Osisko Exploration 44 Belleterre 44 Togoot license 44 Inaja Project 44 Barrick Pascua Lama 44 tonnage mined 44 tenement holdings 44 AK6 diamond mine 44 Tati Nickel Mining 44 Tjate 44 Coppabella 44 tin smelter 44 minesite 44 Dwyka 44 Sagittarius Mines 44 ENAMCO 44 Michilla 44 Wouterspan Holpan 44 Elkedra 44 Scharrig Mining 44 Pakri Barwadih 44 Kafue Gorge 44 Caypa mine 44 Selbaie 44 Lucara Diamond 44 Albpetrol 44 KCGM 44 ZAO Severstal Resources 44 Abitibi Temiscamingue region 44 Agbaou 44 GoldSands 44 HCCL 44 Barrick Veladero 44 Mintails 44 PKOP 44 Dios Padre 44 boxcut 44 Ivanhoe Oyu Tolgoi 44 Buckreef Gold 44 Kumba iron ore 44 Queenstake Resources 44 Anglogold 44 CoalQuest 44 Spinifex Ridge Iron Ore 44 Anglo Platinum Limited 44 Kibali Jersey 44 Cerro Vanguardia 44 Peñoles 44 AusQuest 44 SouthernEra 44 NorthMet 44 Yamiri 44 Neves Corvo Copper 44 Sepon copper 44 synthetic rutile 44 Newmont Mining Barrick Gold 44 Mchuchuma 44 Konkola Copper Mines KCM 44 Activox ® 44 Cerrejon coal 44 Somkhele 44 nickel laterite deposits 44 Sesa Industries 44 Angostura Project 44 de Kilo Moto 44 Corani silver 44 Berong 44 Rio Zarza 44 Sephaku 44 beneficiation 44 Zanaga 44 Goedgevonden 44 Tindals Mining Centre 44 Guinea Alumina Refinery 44 Sociedad Minera 44 NRMDC 44 Indeni refinery 44 Renison Bell 44 Vilcoro 43 Porgera gold 43 Kwale Mineral Sands 43 Blyvoor mine 43 Koniambo 43 underground longwall 43 Las Cruces Cerattepe 43 Somituri Project Exploitation Permits 43 ZCCM IH 43 Iduapriem Mine 43 spokeswoman Bernardita Fernandez 43 La Caypa coal 43 mineral tenements 43 Reefton goldfield 43 Sagittarius Mines Inc. 43 copperbelt 43 Nanjinzhao 43 Montana Tunnels mine 43 Copper Smelter 43 Mississippi Lignite 43 TeckCominco 43 Brisas gold 43 Kilimapesa 43 Langer Heinrich 43 Turgai 43 Nyanzaga 43 Lac Levac 43 Prospecting Licences 43 Marmato Mountain 43 Minas Conga 43 Mothae mine 43 Padcal 43 Manantial Espejo mine 43 Husab 43 Assmang 43 Minera Guaira 43 Isidora gold 43 Marikana mine 43 Aljustrel mine 43 Kalana Gold 43 Baal Gammon 43 Kerr Sulphurets 43 BSGR 43 AMEX QEE 43 Modder East 43 Kagem mine 43 Gope Exploration 43 Antapaccay 43 Turamdih 43 CNMIM 43 AusNiCo 43 Sasol Synfuels 43 Nkwe Platinum 43 Nunavik Nickel 43 Durban Roodepoort Deep 43 molybdenum deposit 43 Catface 43 Corp FTR 43 Mount Polley 43 Grupo México 43 Gold Fields Driefontein 43 Newmont Akyem Project 43 Orvana Minerals Asturias 43 Wattle Dam 43 Xstrata Nickel Raglan 43 Pasto Bueno mine 43 Unki platinum project 43 Julcani Recuperada 43 BHP Escondida 43 Compania Minera 43 Elandsrand 43 Skukum 43 CAMECO 43 Rusaf 43 AGD Mining 43 Etruscan Diamonds 43 Gold Limited NGGL 43 uranium vanadium 43 Weipa bauxite 43 Las Torres 43 North Lanut 43 Skorpion Zinc 43 DeBeers Victor 43 Newmont Nusa Tenggara 43 Chucapaca 43 Meepong Resources 43 Kiwira 43 Los Pelambres mine 43 Minvest 43 LEFA gold 43 EuroZinc 43 MMX Amapá 43 Company TSXV ARQ 43 Ghanzi sediment hosted 43 Esaase Gold 43 Belle Ayr 43 Escondida Norte 43 deepwater drillship 43 Steenkampskraal mine 43 Ambatovy 43 Uranium Mine 43 Kagem 43 NGGL 43 Collahuasi copper 43 Andorinhas 43 polymetallic mine 43 Buffalo Ankerite 43 Vaaldiam Mining 43 Qualified Person overseeing Lydian 43 Mungada 43 EPLs 43 Daqi Coal 43 BSG Resources 43 Adamus Resources Limited 43 TauTona 43 Xolobeni 43 Eastern Coalfields 43 alluvial diamonds 43 Mount Klappan 43 Zambeze coal 43 Marropino mine 43 Manantial Espejo silver 43 Maniema provinces 43 MIBAM 43 Steenkampskraal Mine 43 Algamarca 43 Obuasi mine 43 Sinosteel Midwest