electrolytic manganese

Related by string. * Electrolytic . electrolytics : sodium chlorate electrolytic manganese . electrolytic capacitors . film aluminum electrolytic / Manganese : Los Pumas Manganese . ferro manganese . manganese ore ferroalloys bauxite * electrolytic manganese dioxide . electrolytic manganese metal . controls electrolytic manganese . Electrolytic Manganese Metal *

Related by context. All words. (Click for frequent words.) 63 Manganese Project 63 +#,# ounce 61 tungsten concentrate 61 purity cobalt 61 volatile metallurgical coal 60 chromite ore 59 tungsten concentrates 59 ferromanganese 58 ferro manganese 57 manganese alloys 57 zinc indium 57 ferro nickel 57 bleached eucalyptus pulp 57 Erbahuo projects 57 metallurgical coals 56 sub bituminous coal 56 ounces Moz. 56 cathode copper 56 zinc ores 56 Coking coal 56 electrolytic manganese metal 56 titanium feedstock 56 lithium brine 56 SX EW 56 carbon ferromanganese 56 zinc conc 56 molybdenum 55 magnetite ore 55 vanadium 55 #,#-#,# oz 55 manganese ferroalloys 55 vanadium pentoxide 55 Kulu copper 55 alumina aluminum 55 electrolytic copper 55 seaborne thermal coal 55 Silbak Premier Mine 55 industrial mineral wollastonite 55 Manganese ore 55 hematite iron ore 55 laterite ores 55 ferrochromium 55 Los Chorros recover 55 Ltd. KIO SJ 55 economically exploitable 55 Ferrosilicon 55 mineral ores 55 Potash SOP 54 Erbahuo 54 chrome manganese 54 ferro vanadium 54 Chloride Copper Mine 54 manganese alloy 54 vanadium pentoxide V#O# 54 tpa nickel 54 Dominion Reefs 54 Rossing Mine 54 Beyinhar 54 zinc manganese 54 Dysprosium 54 solvent extraction electrowinning 54 ILU AU 54 electrolytic nickel 54 WMR AU 54 Ferro chrome 54 cobalt sulphates 54 ferro niobium 54 group metals PGMs 54 coking coals 54 manganese ores 54 NCM AU Australia 54 FeV 54 nickel laterite deposits 54 heap leach operation 54 urea phosphate 54 ferronickel 54 Gamsberg project 54 Pasto Bueno tungsten 54 sinter feed 54 lithium enriched 54 seaborne coking coal 53 Pelusa Property 53 copper molybdenum zinc 53 Steenkampskraal mine 53 synthetic soda ash 53 PET polymers 53 spodumene concentrate 53 nickel manganese 53 minable reserves 53 grade lithium carbonate 53 Mina Isidora 53 Xiangzhen Mining 53 Iron ore pellets 53 laterites 53 hematite ore 53 copper ores 53 lateritic nickel 53 MBMI objective 53 potash KCl 53 purity silicon 53 pgms 53 uranium vanadium 53 titanium dioxide feedstock 53 Ferronickel 53 REEs 53 ferrovanadium 53 Chapada copper 53 EAF steel 53 zinc concentrates 53 Huaron 53 titanomagnetite 53 magnetite concentrates 53 #Moz 53 ULV PCI 53 laterite deposits 53 heap leachable 53 tungsten ore 53 Nickel Cobalt 53 copper molybdenum silver 53 Rossing mine 53 Karara magnetite 53 copper cobalt 53 Ilmenite 53 UG2 ore 53 #ktpa 53 manganese 53 #.#/ounce [001] 53 neodymium praseodymium 53 pounds U#O# 53 seaborne metallurgical coal 53 Electrolytic Manganese Metal 53 coalbed gas 53 grade bulk mineable 53 sulphide ores 52 Group Metals PGM 52 automotive catalytic converters 52 Antapaccay 52 Innospec Octane Additives 52 silver dore 52 Kalplats 52 Cerro las Minitas 52 Husab 52 Tenke copper cobalt 52 kimberlite diamond 52 Codelco copper 52 Mactung 52 means titanic boa 52 Refined copper 52 Harmony Elandsrand mine 52 ore pellets 52 situ leach uranium 52 Shipping Ore DSO 52 grade tungsten skarn 52 EMM supplying 52 situ leach ISL 52 tantalum pentoxide 52 Baruun Naran 52 oxide REO 52 Goldstrike mine 52 Olaroz 52 grade ores 52 Artillery Peak Manganese 52 Wodgina mine 52 lithium carbonate 52 Quiruvilca 52 tantalum oxide 52 leachable copper 52 HREEs 52 heap leachable gold 52 ferro silicon 52 SX EW copper 52 LaRonde mine 52 Lagunas Norte 52 R#/kg [001] 52 5Mtpa 52 prolific greenstone belt 52 controls electrolytic manganese 52 lignite coals 52 manganese carbonate 52 specialty cellulose fibers 52 chrome ore 52 moly 52 Boleo copper cobalt 52 2Mt 52 potash fertilizer 52 #/lb U#O# 52 Its Performance Fibers 52 BHP Escondida 52 sulfur bituminous coal 52 1Mt 52 ferro molybdenum 52 La Parrilla mill 52 Soumber deposit 52 alumina refineries 52 Palladium Pd 52 Onca Puma 52 nickel sulfide 52 indium 52 synthetic rutile 52 lithium potash 52 Rhenium 52 heap leach SX EW 52 magnetite iron ore 52 #/lb molybdenum 52 PGM deposit 52 polymetallic ores 52 Powder River basin 52 4/lb 51 #oz [001] 51 pentoxide 51 pit mineable 51 laterite nickel 51 magnetite concentrate 51 Pend Oreille zinc 51 copper anodes 51 multicrystalline wafers 51 grade calcined bauxite 51 1Moz 51 Husab project 51 Pitarrilla 51 magnetic powders 51 molybdenum moly 51 spodumene 51 PGM deposits 51 Shanxi coke 51 North Lanut 51 Aurizon Casa Berardi 51 Metallurgical coal 51 US#/oz 51 nickel laterite 51 Lead Zinc 51 Jiangxi Copper Co 51 copper molybdenum 51 heap leach extraction 51 tonnage milled 51 Au eqv 51 Cerro Casale deposit 51 Burnstone Project 51 Ferrochrome 51 5Mt 51 Group Metals PGMs 51 #/oz Ag 51 magnesium ingot 51 seaborne metallurgical 51 Pallancata silver 51 minable 51 Aguas Tenidas mine 51 needle coke 51 lump ores 51 tantalite 51 Chapada Mine 51 El Abra 51 Lithium Brine 51 fluorspar 51 Lennard Shelf zinc 51 Palladium Platinum 51 copper bauxite kaolin 51 Las Bambas 51 EAFD 51 Santa Fe Ipora 51 Situ Recovery ISR 51 OTCQX AVARF 51 grade epithermal gold 51 itabirite 51 lanthanum oxide 51 Adipic acid 51 bulk mineable gold 51 hot briquetted iron 51 superalloy 51 doré bars 51 bullion miner 51 ferroalloy producer 51 sulphidation gold 51 lithium oxide 51 Cerro Negro gold 51 SEDEX zinc lead 51 vanadium deposit 51 La Coipa 51 Bissa Gold 51 BHP Billiton Escondida 51 Bajo de la 51 Halloysite Clay 51 Silverstreams 51 cobalt nickel 51 nepheline 51 US# #/tonne 51 Tellurium 51 Ofin river 50 5mn tonnes 50 Julie Subrin 50 Spinifex Ridge 50 Chromite 50 Mined copper 50 Kuranakh 50 cobalt rhodium silver 50 PCI coals 50 nickel cobalt 50 Andacollo mine 50 pit heap leach 50 Fresnillo PLC 50 Antamina copper 50 Kyzyl Gold Project 50 Cerro Vanguardia 50 MREO 50 Peculiar Knob 50 Merensky reef 50 steelmaking raw 50 Zinc Lead 50 Los Filos mine 50 Mapochs 50 Kalsaka Gold 50 platinum palladium rhodium 50 Fluorspar 50 Prestea Underground 50 Refined platinum 50 Tenke Fungurume copper 50 crystalline silicon modules 50 upgraded metallurgical 50 LSE KMR 50 Tau Lekoa 50 manganese ore 50 fluorite ore 50 iron ore bauxite 50 niobium oxide 50 Inc. TSX HBM 50 Lithium brine 50 Cauchari Olaroz 50 copper 50 beryllium oxide 50 copper moly 50 3Mtpa 50 Kazakhmys Kazakhstan 50 ferro titanium 50 Mt Cattlin 50 Zheng Guang gold 50 oz pa 50 miner Cia 50 miners Newcrest Mining 50 leach recoveries 50 Lonmin PLC LMI.LN 50 Burnakura Gold Mine 50 Santa Margarita vein 50 ash metallurgical coke 50 Fabie Bay 50 Nui Phao 50 ferrosilicon 50 sulphide nickel 50 Hoidas Lake 50 metallurgical silicon 50 Molybdenum 50 5mtpa 50 Lynas Corp 50 titanium vanadium 50 pyrometallurgical 50 PGM ounce 50 precious metals platinum palladium 50 bulk minable 50 diammonium phosphate DAP 50 oxide ores 50 sylvite 50 MoO3 50 #-#,# tonnes [002] 50 silico manganese 50 Padcal mine 50 molybdenum Mo 50 Grootegeluk 50 nickel sulphide deposits 50 stainless steelmakers 50 saprolite ore 50 Kipoi Central 50 oz y 50 beneficiated 50 alloying element 50 iron ore coking coal 50 surface mineable 50 sulphide deposits 50 mineable coal 50 Cybersurf prides itself 50 ferro alloy 50 coking coal mines 50 Molymet 50 Minas Conga 50 Kalumines 50 Los Pelambres mine 50 HREO 50 Cantung Mine 50 US#.#/lb 50 Perkoa 50 Fuwan Silver Project 50 Steenkampskraal 50 grade calcined petroleum 50 frac sand 50 Langer Heinrich 50 tantalum concentrate 50 economically extractable 50 lithium carbonate equivalent 50 Hypogene 50 Artillery Peak 50 Cerro Casale gold 50 Denton Rawhide 50 Nkomati mine 50 copper platinum palladium 50 Oz Minerals Ltd 49 Au Ag Pb Zn 49 Chalco alumina 49 ores 49 2Mtpa 49 taconite pellets 49 Cañariaco Norte 49 Spinifex Ridge Molybdenum 49 Jeanne Allgood 49 ferrochrome producer 49 Ovoot Tolgoi coal 49 metallurgical coking coal 49 elements europium 49 Ambatovy 49 Malku Khota Silver 49 iron titanium vanadium 49 calcined bauxite 49 AngloGold Ashanti Titiribi 49 carbon ferrochrome 49 Kutcho Project 49 openpit mine 49 eucalyptus pulp 49 Tantalum 49 polymetallic deposit 49 Chapudi 49 Fuwan Silver 49 AIM MTL 49 Turquoise Ridge 49 #.#Mt [001] 49 ounces 4E 49 Sao Bento mine 49 Soda ash 49 tin tantalum 49 seaborne coal 49 open pitable 49 zinc sulphide 49 Bonte Koe 49 Pallancata Mine 49 tantalum tin 49 oxide TREO 49 heap leach recoveries 49 Indicated Resource category 49 Mulatos Mine 49 Molybdenum oxide 49 exportable surpluses 49 grammes tonne 49 Anyang Steel 49 #Mt [001] 49 multimillion ounce 49 Lonmin PLC 49 Radomiro Tomic mine 49 ethylene amines 49 Uinta basin 49 lithium carbonate Li#CO# 49 Venture WBJV 49 pelletising 49 Keetac iron ore 49 Lihir Gold ASX LGL 49 ARLP Partnership 49 Pilbara iron 49 Molycorp Minerals LLC 49 #.#/lb Pb 49 flotation concentrate 49 Zarechnoye 49 Titanium oxide 49 Minara Resources Ltd 49 Muriate 49 Baal Gammon 49 beneficiating 49 Fe#O# 49 tonne milled 49 sodium sulphate 49 Nullagine iron ore 49 Zandkopsdrift 49 manganese molybdenum 49 dysprosium 49 Namisa iron ore 49 seaborne thermal 49 sulfur sub bituminous 49 Non ferrous metal 49 UG2 49 uranium ores 49 zirconium niobium 49 bauxite ore 49 benefication 49 Akbastau 49 Flin Flon Greenstone Belt 49 Moly Dome 49 Jianhe Project 49 Copper Cobalt 49 Veladero 49 blast furnace pellets 49 La Jojoba 49 Pico Machay 49 metallogenic province 49 Witwatersrand Basin 49 Rio Tinto Rossing uranium 49 Penjom 49 ounce Akyem 49 R# #/kg [002] 49 alluvial diamond 49 hypogene 49 #Mt y 49 Guanajuato Mine 49 Aurcana Corporation 49 Nkomati Nickel 49 cobalt 49 mtu 49 cobalt hydroxide 49 Konkola Deep 49 Niobium 49 Damtshaa 49 molybdenite MoS2 49 potash alumina 49 Alfalfa hay 49 Zafranal copper 49 Murowa mine 49 rhenium 49 titanium slag 49 Xstrata Plc XTA LN 49 bastnasite 49 Podolsky mines 49 1/lb 49 Maikuben 49 #.#/oz Ag [001] 49 FeMn 49 nitrogenous fertilizers 49 #oz [005] 49 polymetallic mine 49 tellurium selenium iridium 49 Neo Material 49 Chapada mine 49 #Mtpa [002] 49 molybdenum concentrates 49 Maleic anhydride 49 Creston Molybdenum Deposit 49 moly oxide 49 Lennard Shelf 49 Bouroum 49 steelmaking raw materials 49 Tala Hamza 49 Tampakan Project 49 Mantos Blancos 49 Alamo Dorado 49 #oz [002] 49 Ban Phuc Nickel 49 Michilla 49 Yunnan Aluminum 49 Mt@#.# % [001] 49 AK6 diamond mine 49 Au Eq 49 Salar de Hombre Muerto 49 Talison Minerals 49 Alumbrera copper 49 magnesium smelter 49 nickel concentrator 49 high grade Kutcho 49 rare earth 49 Rosebel mine operated 49 Kitsault molybdenum 49 Alto Chicama 49 Gahcho Kue 49 TORONTO miningweekly.com Vancouver 49 Tintina gold 49 Murrin Murrin nickel 49 Way Linggo 49 PGMs 49 Clavo Rico mine 49 iron ore 49 Akdala Uranium Mine 49 Antamina mine 49 Julietta mine 48 Finsch 48 producer Kenmare Resources 48 nickel ores 48 producer Polyus Gold 48 praseodymium 48 dissolving pulp 48 Cerro Ccopane 48 productivities 48 Cerro Casale 48 mineable resource 48 Zinoju 48 refines selenium 48 Kintyre uranium project 48 Mbalam Iron Ore 48 copper sulphide 48 Koolanooka 48 Nithi Mountain 48 Bushveld complex 48 grade fluorspar 48 ounces Moz 48 Zinifex Ltd. 48 Shootaring Canyon Mill 48 Aluminium smelters 48 ferro chrome 48 Komahun 48 copper cathode 48 Kemess mine 48 Rare Earth Oxides 48 Peñasquito 48 bulk mineable 48 stainless scrap 48 openpit 48 Letseng mine 48 Dubbo Zirconia Project 48 Buffelsfontein mine 48 tantalum ore 48 Stikine Arch 48 Khok Adar copper 48 ferrochrome 48 isotope technetium 48 Cananea copper 48 Russia OAO GMK 48 vol metallurgical coal 48 Barro Alto 48 Chelyabinsk Zinc Plant 48 Inkai 48 nickel MNI3 48 Tenke Fungurume 48 TiO2 pigment 48 Waterberg coal 48 Bootu Creek 48 Munali nickel project 48 cost caverta online 48 Nickel laterite 48 Boddington mine 48 chrome ores 48 #,# lb 48 laterite ore 48 commercially mineable 48 NiEq 48 hydrometallurgical processing 48 Jiangxi Copper SHA # 48 #.#/ounce [003] 48 sulfidation style 48 Shredded scrap 48 Giralia Resources 48 Baluba copper mine 48 annual average minemouth 48 cordierite 48 ores mined 48 KINSHASA Congo Fabulous 48 pyrochlore 48 thermal coal 48 Antamina copper zinc 48 Alumbrera mine 48 laterite deposit 48 Rutile 48 concentrated phosphates 48 BRPM 48 Dumping occurs 48 Shituru 48 Nabors participates 48 Zinc Copper 48 Million Tonnes 48 Pantanillo 48 nickel laterites 48 pgm 48 Ban Phuc 48 iron ore metallurgical coal 48 Navidad silver 48 Belgium Nyrstar 48 magnetite iron 48 chromite deposits 48 nickel vanadium 48 JM Reef 48 Cookes Creek 48 ABX.TO Quote Profile Research 48 copper concentrates 48 Hanlong Mining 48 tellurium 48 Titanium dioxide 48 Canariaco Norte Copper 48 Omchak 48 Inc. TSX UUU 48 reagent consumption 48 Kalumines Copper Cobalt 48 TCu 48 potassium fertilizers 48 Salar de Olaroz 48 HPAL 48 Centerra Gold CG.TO 48 #.#/lb Mo 48 potassium sulphate 48 Extract Resources Ltd. 48 Original grist mill 48 silicomanganese 48 #.#/lb Cu 48 Jinduicheng 48 nickel laterite ore 48 Murrin Murrin 48 neodymium oxide 48 nickel alloys 48 TSX SVM 48 Tumipampa exploration properties 48 poly silicon 48 Cerium Lanthanum 48 #,# ha Mangabal 48 Endako mine 48 Falea Uranium Silver 48 CCO CN 48 4E PGM 48 Manganese 48 aluminum smelting capacity 48 Jiangxi Copper Co. 48 Rare Metal 48 borates 48 Evraz Highveld 48 Iamgold Corp IMG.TO 48 carbon ferro chrome 48 Banfora Gold Project 48 Akdala 48 Cerro Chorcha 48 Barrick Gold ABX.TO Quote 48 Pasto Bueno 48 #.#mt [005] 48 #.#Mtpa 48 La Currita 48 FMG AU 48 Pilanesberg Project 48 ppm lithium 48 #/ounce [003] 48 largest minimill steel 48 zinc 48 ferro tungsten 48 beneficiate 48 aluminum CMAL3 48 Cantung 48 Kazzinc 48 Salinas Grandes 48 CNEH 48 Copper cathode 48 brownfield expansions 48 Canadon Seco 48 iron titanium oxide 48 Juanicipio Joint Venture 48 El Aguila mill 48 Hotazel 48 polymetallic ore 48 Pivert Rose property 48 diammonium phosphate 48 Chihong Zinc 48 epithermal silver 48 Titanium sponge 48 class Tenke Fungurume 48 PGM 48 Tapuli Stora Sahavaara 48 Langer Heinrich mine 48 Topia Mine 48 Mmamabula Coal Field 48 Copper Cu 48 floatation mill 48 lignite coal 48 rare earths 48 zircon rutile 48 SXEW 48 tetra ethyl lead 48 PEMFCs 48 heap leach processing 48 Lumwana mine 48 Morococha mine 48 Moz Au 48 Njame 48 Terbium 48 Tjate project 48 Penasquito 48 EXX SJ 48 levelised cost 48 Barro Alto nickel 48 Kalsaka 48 potash MOP 48 miner Sociedad Minera 48 wollastonite 48 Rosebud Mine 48 diatomite 48 Skukum Creek gold 47 ammonium paratungstate APT 47 #.#Mlb [001] 47 copper zinc 47 nickel ore 47 Cold rolled coil 47 Teck Cominco TCK 47 Pokrovskiy mine 47 muriate 47 Marban mines 47 Mn ore 47 Au Cu Ag 47 & Gold FCX.N 47 Galvanised steel 47 Krone Endora 47 Bellhaven controls 47 cerium lanthanum 47 Ni Cu Pt Pd 47 chromite 47 Copper Moly 47 La Solucion 47 M lbs U#O# 47 prolific sedimentary basins 47 austenitic grades 47 copper conc 47 hydrocarbon feedstock 47 flotation concentrator 47 aluminum MAL3 47 #.#mln tons [002] 47 recycled LDPE 47 Cordero Rojo mines 47 dore bars 47 Jinfeng mine 47 molybdenum tungsten 47 B#O# 47 #.#/tonne [003] 47 Mtpy 47 Kabanga nickel 47 Moly Mines Ltd 47 manganese dioxide 47 rank coals 47 Modder East gold 47 zinc smelters 47 Rio Tinto Rossing 47 integrated steelworks 47 Escondida copper 47 Maricunga 47 hotrolled coil 47 Quebrada Blanca 47 Billiton BHP 47 Furtei mine 47 Xstrata Nickel Australasia 47 porphyry deposit 47 salable concentrates 47 Mississippi Lignite 47 Tongling Nonferrous Metals 47 Grootegeluk mine 47 Thierry Mine 47 fluorite powder 47 Platinum Pt 47 QSI nano ™ 47 Canariaco Norte 47 -Caregiver Connection 47 Rooderand 47 Mozambique Noventa AIM NVTA 47 2ppm 47 Longshot Ridge copper 47 Ruighoek 47 alluvial diamond deposits 47 MLBlog Change 47 nickel laterite deposit 47 iron ore pellet 47 lithium brines 47 untapped coking coal 47 Karara Iron Ore 47 + Au Cu 47 Bjorkdal Mine 47 Middleback Ranges 47 Arehada produces zinc 47 Ruashi copper 47 Pajingo mine 47 LS Nikko 47 Carpentaria Exploration 47 niobium 47 SiMn 47 Haquira 47 Salar de Atacama 47 open pittable 47 1Mtpa 47 calcined kaolin 47 molybdenum sulphide 47 Maricunga Gold Belt 47 metals PGM 47 Husab uranium project 47 Colossus COOMIGASP joint venture 47 silane gas 47 mil mt 47 cerium Ce 47 precious metal 47 Antimony 47 sapphire bracelets 47 DAP MAP 47 Lonmin LMI.L 47 Ag Zn 47 Hunnu Coal 47 Canatuan mine 47 containing denture cream 47 ROM ore 47 Benga coal 47 metal PGM 47 #.#/oz Ag [002] 47 Au oz 47 Katangan Copperbelt 47 CEZinc 47 Lionore 47 BOPP films 47 Segala gold 47 sub bituminous 47 Ag eq oz 47 Germanium 47 oz Au 47 europium 47 ferroalloy 47 Sishen Mine 47 iron ore manganese 47 opencut 47 Eersteling 47 natural flake graphite 47 Essakane Project 47 Trekkopje mine 47 CIGS panels 47 rutile zircon 47 Pampalo 47 FeCr 47 Moatize coal 47 dysprosium terbium 47 epithermal deposit 47 eluvial material 47 Coal gasification 47 Newcrest Mining Ltd. 47 Kolomela 47 Copperstone Gold 47 Rare Earth Element Niobium 47 Letseng 47 USA NYSE AUY 47 steelmaker Baosteel 47 Yalea underground 47 Brule Mine 47 Biomass gasification 47 coking coal miner 47 SAC alloys 47 lithium 47 Cangalli 47 Naimanjal 47 PGE chromite project 47 sylvinite 47 Barlevskoye 47 Nickel AIM ENK 47 Bayan Obo 47 tungsten antimony 47 Donkin coal 47 baseload renewable 47 Chalcopyrite 47 Changyun coal project 47 levelized cost 47 Lionore Mining International 47 calcium bromide 47 Kagem mine 47 #/oz Au [002] 47 phosphate ore 47 Coolgardie Gold 47 risk Hevezi 47 Meliadine West 47 BCTMP 47 Yunnan Tin 47 coking coal 47 glauconite 47 lithium potassium 47 Goldcorp G.TO Quote 47 NPK fertilizer 47 explorer Kalahari Minerals 47 metallurgical coal 47 sulphide concentrate 47 Rare Earth Element 47 ore 47 mined ores 47 sulfur coals 47 HREE 47 rich Ambler volcanogenic 47 autocatalyst demand 47 ilmenite rutile 47 Vale VALE5.SA 47 Refined zinc 47 Hamersley iron ore 47 Shougang Jingtang 47 high purity polysilicon 47 refined zinc 47 Inaja Greenstone Belt 47 Rooipoort 47 zirconium Zr 47 Molycorp MCP 47 Chapada 47 Croxall Property 47 carbon ferro manganese 47 USA AMEX NG 47 #/bbl WTI 47 #.#/tonne [001] 47 Vale VALE5.SA Quote 47 ULV PCI coal 47 Cu Zn Pb Ag 47 bearing sulphides 47 LEE BLOOMQUIST covers 47 TGR Are 47 OAO GMK Norilsk Nickel 47 Ashdown molybdenum 47 mineable reserve 47 Wyoming soda ash 47 Yandicoogina 47 Porgera mine 47 extractable 47 Au Cu

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