Related by context. All words. (Click for frequent words.) 67 GRC El Aguila 67 Roca Honda 67 Inca de Oro 66 Pasto Bueno 66 Aurizona gold 66 Minas de Ameca 66 Magistral Project 66 Gurupi 65 Masbate Gold 65 Pinos Altos mine 65 Sierra Mojada 65 La Bolsa 65 Lipena copper gold 64 Lomada de Leiva 64 Lluvia de Oro 64 Canatuan mine 64 Despoblados 64 Cieneguita Project 64 La Yesca mill 64 Cumpie Hill 64 Saucito 64 Pulacayo 63 Dolores Mine 63 Increible 6 63 Penasquito mine 63 Pucarana 63 Vila Nova iron ore 63 Ixhuatan 63 Piedras Verdes Mill 63 Pantanillo 63 Buen Futuro 63 Cieneguita 63 Las Bolas Los Hilos 63 Luz del Cobre 63 Los Helados 63 Veladero 63 Inata Gold 63 Potrerillos 63 Tepal 63 Ollachea Project 63 Bolanitos 62 Peñasquito mine 62 Calicanto 62 Barrick Pascua Lama 62 Boyongan 62 Quebrada Blanca 62 Mulatos Mine 62 Bom Jardim 62 Turmalina 62 Cori Puncho 62 Pilunani 62 Cananea copper 62 Corumbá 62 Las Bambas 62 Pirquitas Project 62 Cerro Prieto 62 Pastos Grandes lithium brine 62 La Currita 62 La Solucion 62 Tuligtic 62 Quellaveco 62 Pirquitas 62 Caeté 62 Paredones Amarillos 62 Piedras Verdes 62 owned Cerro Jumil 62 Selinsing Gold Mine 62 Lobo Marte 62 Cotabambas Copper Gold 62 Palmarejo silver 62 Curipamba 62 Taviche 61 Lagunas Norte 61 Lamaque Gold 61 Crucitas 61 Gramalote 61 Langer Heinrich Uranium 61 Rio Zarza 61 Sugarloaf Peak Gold 61 Aranzazu Mine 61 Peñasquito 61 Bongará 61 Mulatos mine 61 Cobre Grande 61 Paredones Amarillos gold 61 Bellekeno Mine 61 Peñoles 61 La Preciosa silver 61 Sulphide Project 61 Copperstone Mine 61 Courville Gold 61 Urumalqui 61 El Valle Carles 61 Merrex Siribaya Gold 61 San Bartolomé 61 gold silver Aranzazu 61 Clarkdale Slag Project 61 Goldcorp Penasquito mine 61 Canariaco Norte Copper 61 Aranzazu Project 61 Buffelsfontein tailings recovery 61 Amayapampa Gold 61 Porvenir Cuatro 61 San Jacinto Tizate 61 Chalchihuites 61 Chucapaca 61 Cerro Verde mine 61 Los Bronces 61 Zuun Mod Molybdenum 61 Pallancata 61 Luika 61 Navidad silver 61 Corihuarmi gold 61 Zafranal 61 Nuestra Senora 61 El Aguila Project 61 molybdenum sulphide 61 Ancash Peru 61 Kinsevere copper mine 61 tailings reprocessing 61 Los Azules porphyry copper 61 Las Lagunas 61 Caylloma Mine 61 Shootaring Canyon Mill 61 Macusani uranium 60 Canariaco 60 Porphyry Project 60 Predilecta 60 Cerro Negro gold 60 Cordero Sanson 60 Chubut Argentina 60 Salta Province Argentina 60 La Guitarra Mine 60 Bayovar 60 tailings retreatment 60 Borosi 60 La Negra mine 60 Canariaco Norte copper 60 Bucko Lake Mine 60 Salar de Olaroz 60 Cachinal 60 Goliad ISR 60 Spinifex Ridge Molybdenum 60 Croinor gold 60 Canariaco Norte 60 Gaoua copper gold 60 La Sabila 60 Los Chancas 60 Maricunga Gold Belt 60 Lipena 60 Vila Nova Iron Ore 60 Miguel Auza 60 Sossego 60 Velardena 60 Tanjianshan 60 Kouilou Potash 60 La Josefina 60 Tepal project 60 SREP 60 El Compas 60 Mauro tailings dam 60 Curionopolis 60 Vetagrande 60 Barro Alto 60 Mecaya 60 Goldcorp Penasquito 60 Los Azules copper 60 Manantial Espejo mine 60 Dombraly 60 Hidalgo Del Parral 60 El Torno gold 60 Serrote da Laje 60 Tulsequah Chief 60 Canplats Camino Rojo 60 Kinsenda 60 Yoquivo 60 Picachos 60 Wintering Hills Wind 60 Yarumalito 60 Paguanta 60 Salobo 60 Cerro Prieto Project 60 Bucko Lake Nickel 60 de Cobre 60 Santa Rosalia Baja 60 Boleo 60 Los Chorros Gold 60 SX EW 60 Taganito 60 La Trini 60 AP# pilot 59 Xstrata Copper Las Bambas 59 El Castillo 59 Cerro Casale gold 59 Reyna de Oro 59 Minas Conga 59 Porphyry Copper Project 59 Alamo Dorado 59 Don Sixto 59 Antapaccay 59 Los Pelambres mine 59 Invicta Project 59 Pilanesberg Project 59 Los Amoles Property 59 Bellekeno deposit 59 Manantial Espejo silver 59 Anchaca 59 El Boleo 59 Skukum 59 Los Pelambres 59 Zuun Mod molybdenum 59 Mulatos 59 Bucko Mine 59 Mapimi 59 Donkin Coal Project 59 Cerro Quema 59 El Pachon 59 Platosa 59 La Corina 59 Estreito 59 Escalones 59 Incahuasi 59 Coricancha Mine 59 Engenho 59 El Abra 59 Konkola Deep Mining 59 Mookane Domestic Power 59 Penasco Quemado 59 Guanajuato Mine 59 Sierra Pintada 59 Calandria Sur 59 Bankable Feasibility Study BFS 59 Copaquire copper molybdenum 59 Honeymoon uranium 59 Cerro Las Minitas 59 Guazapares 59 Penasquito 59 Spinifex Ridge Iron Ore 59 Aurizona 59 La Zanja 59 El Chanate gold 59 Nunavik nickel 59 Maricunga Project 59 Vizcachitas 59 Metates 59 Aurcana Corporation 59 Promontorio mines 59 Cerro Ccopane 59 Dukwe Project 59 Batero 59 El Colmillo Gold 59 flagship La Bodega 59 Aguas Tenidas 59 Jujuy province 59 Arapiraca Project 59 Colquipucro 59 Moris Mine 59 Coricancha mine 59 Lamèque Wind Power 59 pelletizing plant 59 Jujuy Argentina 59 Caramanta 59 Relincho copper 59 Chapada 59 Lavras 59 Maricunga 59 El Valle-Boinas/Carles 59 Kasala Project 59 Azulcocha 59 Constancia copper 59 Temoris 59 T'Boli gold silver 59 Meliadine gold 59 Industrias Peñoles 59 Guanajuato Mines 59 Miguel Auza Mine 59 Morelos Gold 59 polymetallic mine 59 Copalquin 59 El Cafetal 59 Mactung 59 Colpayoc 59 Katangan Copperbelt 59 Mulyashi 59 Soledad Dipolos 58 La Libertad Mine 58 Orcopampa 58 Guazapares Mining District 58 Pampa Buenos Aires 58 Cuatro Cienegas 58 Onca Puma 58 Caylloma 58 Sabodala gold 58 El Zapote 58 Mutoshi 58 Lithium Brine 58 SX EW copper 58 Padcal 58 Las Calandrias 58 Antilla Project 58 Cerro las Minitas 58 West Cedartree Gold 58 Fenix Project 58 El Tapau 58 Paredones Amarillos Project 58 Copper Flat 58 Boleo copper cobalt 58 Chapada mine 58 Toroparu 58 Lapa mine 58 El Chanate mine 58 Pasto Bueno mine 58 La Millonaria 58 Zona Alta 58 T'Boli 58 Private Placement Oversubscribed 58 Langbeinite Recovery Improvement 58 SX EW processing 58 Shituru 58 Bogoso sulfide expansion 58 La Coipa 58 Newmont Ahafo 58 Upper Toba Valley 58 Apoquindo 58 La Verde 58 SXEW 58 Mowana Mine 58 El Quimbo 58 Titiribi 58 Sindesar Khurd 58 Uzboy 58 % owned Molejon 58 Ayelen Vein 58 Ming Mine 58 Youga Gold Project 58 Lomas Bayas 58 Valle Hondo 58 Moris mine 58 Santa Fe Ipora 58 Agua Rica 58 Uruachic 58 Runruno 58 Corani 58 beneficiation plant 58 Marcona 58 Mezquite 58 Vetas Gold 58 Pico Machay 58 El Rayo silver 58 Culebrilla 58 Andacollo 58 Las Tres Palmas 58 Marmato Mountain 58 Meliadine West 58 Yanacocha Mine 58 Kaunisvaara Project 58 Lang Exploratory Drilling 58 Rampura Agucha 58 Cerro Casale deposit 58 MAX Molybdenum Mine 58 Gualcamayo 58 Corani silver 58 Concepcion del Oro 58 La Zarza 58 EPCM contract 58 Coneto 58 Pampa Poroma 58 Rafael Urdaneta 58 Kalsaka Gold 58 Changkeng 58 Cerro Blanco project 58 Pasto Bueno tungsten 58 Mt Cattlin 58 3Mtpa 58 Inmaculada Project 58 Creston Molybdenum Deposit 57 Storie Property 57 Nariin Sukhait 57 1Mtpa 57 Acoje 57 Refugio Mine 57 Nunavik Nickel 57 Los Pumas Manganese 57 Barrick Gold Pierina 57 Taparko Bouroum Project 57 Molejon gold 57 Cauchari Olaroz 57 La Colorada mine 57 Angostura Project 57 La Bufa 57 Mina Isidora 57 Bulyanhulu gold 57 Oxide Project 57 Maimon Mine 57 Azulcocha West 57 Nambija 57 Corcoesto 57 Halfmile 57 Jacobina Mine 57 Pinos Gold 57 Michilla 57 Zaruma Gold 57 Apoquindo Copper Oxide 57 Serra Pelada Project 57 Kalukundi 57 Cassiar Moly property 57 Andorinhas 57 Kinsevere Stage II 57 Inata gold 57 Casposo 57 El Creston Molybdenum 57 OJVG Gold 57 MAX molybdenum 57 Tejamen 57 Tirisano Diamond Mine 57 Grundartangi Iceland 57 Angostura gold 57 Benga coal 57 Coricancha 57 Lupoto 57 Bellekeno mine 57 Onca Puma nickel 57 Hoidas Lake 57 Temascaltepec Mining District 57 Batong Buhay 57 Tabakoto Mine 57 Cachinal Silver Project 57 Veladero mine 57 Alunorte alumina refinery 57 Pallancata silver 57 Pampa Melchorita 57 South Meager Geothermal 57 Scadding Gold 57 Passendro 57 El Valle Boinas 57 Platosa Mine 57 Shyri 57 Promontorio Silver 57 proposed Bonanza Ledge 57 Escalones copper gold 57 Sahavaara 57 Wodgina mine 57 Goldpines North 57 Tocantinzinho 57 Norrliden Polymetallic Deposit 57 openpit mine 57 Malartic Quebec 57 Kuranakh 57 Skukum Creek 57 Cerro Lindo 57 Mkuju 57 stage Serrote Deposit 57 Curipamba Project 57 Pan de Azucar 57 Riscos de Oro 57 near Temoris Chihuahua 57 Mphanda Nkuwa 57 Planchas de Plata 57 Juruti 57 El Aguila mill 57 LaRonde mine 57 El Torno 57 Gibraltar copper molybdenum 57 d'Or stretch 57 Itafos 57 Maoling 57 Samira Hill 57 Bakoudou Magnima 57 Juanicipio 57 Thach Khe iron ore 57 Guayuyaco Block 57 Urique 57 Segala gold 57 Guazapares mining 57 Santa Pancha 57 Artillery Peak Manganese 57 Essakane Project 57 Las Minitas 57 Puerto Libertad 57 Corporacion Nacional del Cobre 57 Sleeping Giant Mine 57 Varvarinskoye 57 Cerro Corona mine 57 Wodgina 57 Las Cristinas mine 57 Pataz 57 El Oro 57 Ouro Roxo 57 Pucara 57 Bolanitos mine 57 Phuoc Son Gold 57 Dokie Wind Project 57 Magistral Mine 57 Dajinhe Coal 57 Anuri kimberlite 57 Las Minas 57 Copper Porphyry 57 Moatize coal 57 Arenal Deeps 57 Syama gold 57 Tapuli Stora Sahavaara 57 Tintaya 57 Toba Montrose 57 Real Viejo 57 Bouroum 57 Otjozondu 57 Duas Barras 57 Ixhuatan Project 57 Burnakura 57 Burnstone 57 Batopilas 57 El Cubo mine 57 Aurizon Casa Berardi 57 Neelum Jhelum Hydropower 57 SX EW plant 57 Whabouchi 57 zinc manganese 57 Mkuju River 57 Tejamen Silver Property 57 Kay Tanda 57 Western GeoPower Unit 57 Vung Ang 57 Kori Kollo 57 Quebrada Verde 57 Padcal mine 57 Industrias Penoles SA 57 Pimenta Bueno 57 Marudi Mountain Gold 57 Warm Springs Beryllium 56 Puesto Morales 56 Esquilache 56 Melchor Ocampo 56 Buckreef 56 Sociedad Contractual Minera 56 Carlota copper 56 La Rioja Province 56 Maikuben 56 El Arco 56 Bjorkdal 56 PD1 deposit 56 CSH Gold 56 La Preciosa joint venture 56 Damoti Lake Gold 56 Mantos Blancos 56 Gahcho Kue diamond 56 Salares 7 56 Los Filos 56 Vynohradiv 56 Collota Gold Deposit 56 Boguchansk 56 Salar de Diablillos 56 Nithi Mountain 56 Porphyry Copper Gold 56 El Cometa 56 wholly owned Twangiza 56 Tulsequah Chief Mine 56 #MW hydro [002] 56 Urumalqui Au Ag 56 Pitarrilla 56 Morococha 56 La Maye 56 Pulacayo Paca 56 Cupixi 56 Cerro Blanco 56 #ktpa 56 El Sauzal gold 56 Agua Branca 56 Didipio Gold 56 Cañariaco Norte 56 Kubaka 56 Lumwana copper 56 LS Grande 56 Sindirgi 56 El Santuario 56 La Parrilla Silver 56 Muiane 56 Bogoso Sulfide Expansion 56 BHP Escondida 56 Constancia Project 56 Ridgeway Deeps 56 Marban deposit 56 Mbalam Iron Ore 56 Amapari 56 Maithon 56 Wiluna uranium 56 Porvenir Dos 56 Amisk Lake 56 Chaucha 56 Las Mesas 56 Minitas 56 Neuquén Basin 56 La Jojoba 56 Molejon 56 Alto Chicama 56 Spinifex Ridge 56 Acu port 56 Visure 1X 56 NWM Mining 56 El Sastre 56 Seabridge Gold KSM 56 Salar de Salinas Grandes 56 Sisson Brook 56 Sigma Lamaque 56 Tasiast gold 56 Aguas Tenidas mine 56 Arehada 56 El Rayo Silver 56 Taysan Copper Gold 56 Corp. TSX BAJ 56 Duck Pond copper 56 Baja IOCG 56 Youga Gold Mine 56 Mkuvia Gold Project 56 Strieborna 56 Mongora 56 Pinglu Project 56 Kalemela 56 El Mutun iron ore 56 Tahuehueto 56 Alex Breccia 56 Las Bambas copper 56 Perkoa 56 Huajoto 56 Aguablanca 56 Pallancata Mine 56 Kalumines Copper Cobalt 56 Yaramoko 56 Kinsevere 56 Lobo Marte gold 56 Kobada gold 56 Inlice 56 Northern Dancer Tungsten 56 Alumar 56 Cachoeira 56 Mina Vieja 56 Cerro Negro 56 Pinaya 56 Nueva Galicia 56 BIOX R 56 NorthMet 56 Salar de 56 Bulk sampling 56 Morococha mine 56 Reefton Goldfield 56 Comperj 56 Caballo Blanco 56 Freda Rebecca 56 Chapada copper 56 Fuwan 56 Maimon copper 56 Barsele 56 Lithium Brine Project 56 wholly owned Snowfield 56 Alunorte 56 Cosala 56 Dipolos 56 Prefeasibility 56 molybdenum porphyry 56 Torlon Hill 56 Cosmo Deeps underground 56 Ezulwini underground 56 Cerro Jumil 56 Huasco 56 Nunavik Nickel Project 56 El Aguila 56 Ofin river 56 Mid Marsyangdi 56 floatation circuit 56 Ixhuatan Project located 56 Cerro Colorado 56 La Tapata Gold 56 Las Cristinas gold 56 near Winnemucca Nevada 56 La Colorada 56 Aguas Tenidas Project 56 Currais Novos 56 Palito 56 El Cuatro 56 Inaja Greenstone Belt 56 resource delineation 56 Didipio gold 56 Sierra Mojada Project 56 El Creston molybdenum 56 Condor de Oro 56 Eastmain Mine 56 situ leach ISL 56 Jacobina mine 56 Palito mine 56 Dragoon Porphyry project 56 Collahuasi copper 56 Shipshaw 56 Limon Mine 56 Manantial Espejo 56 Similco 56 tailings impoundment 56 Kibby Wind Power 56 Komi Aluminium 56 Ozernoe 56 Aurizon Joanna 56 La Colosa 56 JORC Inferred Resource 56 Kevitsa 56 Koniambo 56 Montes del Plata 56 Benzdorp 56 Ban Phuc nickel 56 QDD Lower West 56 Management EPCM 56 Paragominas 56 Bella Rica 56 C1 Santa 56 Frischgewaagd Ledig 56 Minera Andes announces 56 Lamaque underground 56 Zanaga 56 Lamaque 56 Orosi Mine 56 Alumbrera copper 56 Los Azules Copper 56 Colossus COOMIGASP joint venture 56 Portovelo 56 Copler Gold 56 Sepon copper 55 Marban Block property 55 Tepal Gold 55 Camino Rojo 55 Pellet Plant 55 Webbs Silver 55 Mokambo Mine 55 Sao Bento Mine 55 Camisea natural 55 Nui Phao 55 La Solucion Mine 55 Avion Tabakoto 55 Copper Moly 55 Bolanitos vein 55 Pedra iron ore 55 Avanco 55 #MW hydroelectric 55 Luilu 55 AngloGold Ashanti Cerro Vanguardia 55 Gurupi Project 55 Embalse 55 Radomiro Tomic 55 Tuqueque 1X 55 Lower Mattagami 55 Rosebud Mine 55 Luiri Hill 55 Guanacevi Mines 55 Hotstone 55 Toukhmanuk 55 Muluncaygold Corp SA 55 Ipilan 55 Breccia Ridge 55 Topia Mine 55 Cusi Property 55 heap leach SX EW 55 Orko Silver 55 Casposo Project 55 Pueblo Viejo mine 55 Renard Diamond 55 Amayapampa 55 San Marcial 55 Expands Mineralization 55 Haukiaho 55 Bonte Koe 55 Osisko Canadian Malartic 55 Mina Justa Project 55 Pastos Grandes 55 Pampalo 55 Cerro Casale 55 Gahcho Kue 55 Kouilou 55 JXTC 55 Kalana Mine 55 Kulu copper 55 Barro Alto nickel 55 Dos Calandrias 55 Franke Mine 55 Ambuklao 55 Tejamen silver 55 Chloride Copper Mine 55 prolific Abitibi 55 Batero Quinchia Project 55 scoping prefeasibility 55 bioleach 55 Libby adit 55 Mina Justa 55 Juanicipio property 55 Lumwana Copper Project 55 Cantung Mine 55 El Teniente mine 55 tpd mill 55 Volta Grande Gold 55 Morichito Block 55 Aljustrel 55 Middle Cauca 55 Farellon 55 Amapá 55 Ganarin 55 Prefeasibility Study 55 Ambatovy 55 Kangaluwi 55 Maskwa Nickel Project 55 gold copper porphyry 55 Pinon Ridge 55 Pascua Lama mine 55 Cerro Chorcha 55 Khumani 55 Ccaccapaqui 55 Copper Molybdenum 55 Sinivit 55 Santa Eduviges 55 Guaracachi 55 Juanicipio Joint Venture 55 Ovoot Tolgoi coal 55 Tarachi 55 Hydrometallurgical 55 Gemasolar 55 Los Azules 55 % owned Riacho 55 Caeté Project 55 La Cigarra silver 55 hydrometallurgical processing 55 Pre Feasibility 55 Copper Smelter 55 El Peñon 55 Chubut Province 55 Akwaaba Deeps 55 La Negra Mine 55 STP McKay Thermal 55 South Tally Pond 55 Riversdale Benga 55 Mkuvia 55 Tamarok 55 Penedono 55 Nugget Pond 55 Nickel Laterite 55 Naimanjal 55 Paciência 55 Cruce Property 55 paste backfill 55 solvent extraction electrowinning 55 Gitennes 55 Golfo San 55 Pilanesberg platinum mine 55 Anaconda Mining 55 Serrote Deposit 55 Pasto Bueno property 55 Barkerville Mountain 55 Cerro Quema gold 55 EVBC 55 Grants Mineral Belt 55 Lumwana Project 55 Burnstone Project 55 Palmarejo 55 East Kalimantan Indonesia 55 Escondida Norte 55 Lumwana Copper Mine 55 Molejon Gold Project 55 Avnel Gold 55 Las Torres 55 Votorantim Metais 55 Dios Padre 55 Estrella Pit 55 El Compas mine 55 Ipora 55 Chinchan 55 CIM compliant 55 El Mutún 55 megawatt geothermal 55 Kutessay II 55 stope preparation 55 Inambari 55 Taparko Bouroum Gold 55 Mkuvia Alluvial Gold 55 Wilcherry Hill iron ore 55 heap leach operation 55 Marcona copper 55 Toromocho Project 55 cyanidation circuit 55 Canasta Dorada 55 Nyieme 55 Minera Esperanza 55 Andacollo copper mine 55 Malomir 55 Services MPGS 55 Vaquillas 55 Andacollo mine 55 Promontorio 55 Flin Flon Greenstone Belt 55 Sonora Mexico 55 Singida Gold Property 55 Pinaya gold 55 El Arenal 55 Campamento Deposit 55 optioned Rosebud 55 Sharyn Gol 55 #tpd 55 Atucha II 55 Bokan Dotson Ridge 55 Grew Creek 55 Mmamabula Energy Project 55 Chanderiya 55 Los Zorros 55 Sabodala 55 Airborne Geophysical Survey 55 Cubiro 55 Costayaco field 55 Vilcoro 55 La Encantada Silver 55 Omchak 55 Sogamoso 55 Corihuarmi Gold Mine 55 Agua Rica copper 55 Silver Lead Zinc 55 situ leach uranium 55 Lockerby Mine 55 Tepal Project 55 Venture WBJV 55 CPV Sentinel 55 Kospi vein 55 JSE GBG announces 55 Vetas gold 55 Gendalo Gehem 55 Company Skouries Olympias 55 Codelco copper 55 La Yaqui 55 Kolwezi copper cobalt 55 Hardshell property 55 Canaguay 1 54 Bellhaven controls 54 La Fortuna 54 Temascaltepec 54 Zacualpan 54 Fresnillo PLC 54 Urumalqui Project 54 Dong Mao Huo 54 Agua Caliente Solar 54 Zheng Guang 54 Jabal Sayid 54 Val d'Or Malartic 54 Singida Londoni gold 54 South Minita 54 Fabie Bay 54 Waterberg coal 54 Nuevo Milenio 54 NovaGold Galore Creek 54 Libertad Mine 54 Supercritical Thermal Power 54 Volcan Gold 54 Velardeña 54 Huicicila 54 paste backfill plant 54 Malku Khota 54 Santa Eduwiges 54 Polymetallic Project 54 Separation DMS plant 54 La Coipa mine 54 Cotabambas 54 Copperstone gold 54 Steenkampskraal 54 Utupara 54 Starvation Canyon 54 Hemlo Ontario 54 Andash 54 Simuku 54 Konkola Deep 54 Prestea Underground 54 Alamos Sonora 54 Santa Elena 54 Petromonagas 54 Higo Blanco 54 Polymetallic Property 54 RPL refinery 54 Mara Rosa 54 polymetallic Pinguino property 54 Batero Quinchia 54 Charcas West 54 Olaroz 54 La Noria Project 54 Estrades 54 #.#mtpa 54 Munda Dam 54 Goldwedge 54 Belleterre Mine 54 Kalumines 54 wholly owned Coricancha mine 54 Canadian Malartic 54 Steelpoort 54 Serra Azul 54 tailings deposition 54 nickel laterite deposit 54 Altintepe 54 Preliminary Assessment PA 54 Encino Gordo 54 Novoshirokinskoye 54 Gavilanes gold 54 Toquepala