Related by context. All words. (Click for frequent words.) 72 tonnes@#.# % [002] 68 tonnes grading #.#g t [001] 67 oz inferred 67 lbs U#O# 67 tonnes@#.# % [003] 66 tonnes@#.# g t [002] 66 tonnes grading #.# 65 tons@#.# [001] 65 inferred ounces 65 tonnes@#.# g t Au [002] 64 tonnes@#.# % [001] 63 #.#Mlb [001] 63 Gold Equivalent Ounces 62 tonnes@#.# g t [001] 62 @ #.#g t [002] 62 4E ounces 62 #.#gpt [001] 62 #.#M ounces 62 ounces 4E 62 ozs Au 61 Indicated mineral 61 Inferred Category 61 inferred tonnes grading 61 pounds U#O# 61 m@#.# g t [004] 61 #ppm U 60 tonnes@#.# g t Au [001] 60 g t Ta 60 ppm eU#O# 60 Ag Eq Oz 60 geostatistical analysis 60 JORC Inferred Resource 60 metric tonnes grading 60 grading #.#g t [001] 60 oz.Au 60 tons@#.# [002] 60 -Dropper 60 -Pisarro 59 Indicated Category 59 tons@#.# % 59 lbs eU#O# 59 Moz Au 59 WO3 59 ppm U 59 TCu 59 #.#g t Au [005] 59 ounces Moz. 59 Nb#O# 59 Mt@#.# % [002] 59 Mt@#.# g t [002] 59 tonnes grading #.#g t [002] 58 Ag Eq 58 Kospi vein 58 Significant Intersections 58 NiEq 58 #m@#.# g t Au [006] 58 surface mineable 58 ppm Ni 58 Marban Block 58 Li# 58 AngloGold Ashanti Titiribi 58 lb U#O# 58 #g t Au [002] 58 gm t 58 oz Ag 58 Indicated Mineral Resource 58 ounces Moz 58 bearing sulphide mineralization 58 #ppm Mo 58 #.#Mt @ [001] 58 g t PGM 58 #CF# 58 drillhole spacing 58 Mt@#.# g t Au [001] 58 oz Au 58 CIM compliant 58 oz ton Au 58 #.#Mt [004] 58 meters grading #.#g [002] 57 mmbo 57 Kuriskova 57 -Expandable Memory 57 mineralized intercept 57 Crixas 57 -Routledge #/#/# 57 -stephen lawson@idg.com 57 Qavvik 57 grammes tonne 57 JORC compliant 57 aircore holes 57 zinc #.#g t 57 chalcocite mineralization 57 NI #-# inferred resource 57 @ #.#g t [003] 57 #.#g t silver [002] 57 +#,# oz 57 Bigrlyi 57 Mt@#.# g t Au [002] 57 #.#Moz [004] 57 DPIIP 57 Measured Resources 57 % TCu 57 #Mt grading [001] 57 Mlbs 57 #.#g Au t [003] 57 Kena Gold 57 ppm Ag 57 Corachapi 57 Mt@#.# g t [001] 57 Indicated Resource category 57 -Chateau Indage 57 % MoS2 57 RC drillholes 57 Mineral Resource Estimates 57 Pivert Rose property 57 gm t Au 57 #.#g Au t [005] 57 NI #-# compliant inferred 57 Gramalote 57 #Moz 57 Significant Intercepts 57 #.#gpt gold [002] 57 #g t Au [001] 57 #m@#.#g t Au [004] 56 Colnic 56 delineation drill 56 averaging #.#g t [001] 56 Konkera 56 inferred resource calculation 56 #.#gpt gold [001] 56 minable reserves 56 Ag Eq oz 56 Au Eq 56 Simuku 56 Mt@#.# % [001] 56 #.#Mt grading [001] 56 #m@#.# % [002] 56 Soquem 56 3E PGM 56 Batu Hijau Stockpiles 56 #Mt grading [002] 56 Nakru 56 Inferred category 56 Feet Grading 56 #.#Moz [003] 56 Kay Tanda 56 oz pa 56 Cu Equivalent 56 hole GTD 56 #m@#.#g t [002] 56 Ag eq oz 56 Ntaka Hill 56 Probable Mineral Reserve 56 ST1 Zone 56 grading #.#g t Au [001] 56 oz ton silver 56 mmbbl 56 oz Inferred 56 #g t Ag [002] 56 eU#O# 56 -Pincetich 56 Proved undeveloped reserves 56 tungsten trioxide 56 Thrust Package 56 Au eqv 56 ppm U. 56 tr oz Au 56 assay intervals 56 #.#Mt @ [003] 56 Butia prospect 56 #m@#.#g t Au [001] 56 #m@#.#g t [001] 56 #m@#.# g t Au [007] 56 Alaskite 56 m@#.# g t Au [003] 56 Inferred resource 56 Brucejack Area 56 Diamond Drill Holes 56 Indicated Resource 56 JORC compliant inferred resource 56 unrisked gross 56 Ridgetop deposit 56 #m@#.#g t Au [005] 56 hole CM# 56 CuT 56 El Domo deposit 56 leachable copper 56 South Barnat 56 Silver Equivalent 56 g t Pt 56 Imwauna 55 tU 55 Indicated category 55 Infill Drilling 55 Inferred Mineral Resource Estimate 55 Inferred 55 Pyrrhotite 55 AuEq 55 m@#.# g t Au [002] 55 MTPY 55 mln boe 55 JORC compliant Mineral Resource 55 Hotish 55 Zn Cu Ag 55 hole TL# 55 Billion Tonnes 55 #m@#.# % [004] 55 mineralizations 55 1g t 55 Kiena mine 55 @ #.#g t [001] 55 inferred resource estimate 55 stringer sulphides 55 #.#Moz Au 55 #.#Mlbs U#O# [001] 55 Meters Averaging 55 Tonnes milled 55 #.#g t gold [001] 55 cubic feet BCF 55 -Hisarcıklıoğlu 55 Minapampa Zone 55 scheelite 55 g t Beryllium 55 JORC Code compliant 55 El Cometa 55 #.#Mlb [002] 55 Zafranal 55 JORC Indicated 55 La Poma 55 La Morocha 55 hole GW# 55 Indicated resources 55 m@#.# g t [003] 55 Heruga 55 #g t Ag [001] 55 Tantamaco 55 INFERRED 55 -Gody 55 acid soluble 55 metres@#.# % [002] 55 oxides TREO 55 diamond drillholes 55 Marta Este 55 Planchas de Plata 55 GG6 55 Nueva Caledonia 55 Skarn Zone 55 El Quevar project 55 Ouro Verde deposit 55 ozs 55 Molybdenum Mo 55 Sm3 55 ppm eU 55 hole MJV 55 Kelex 55 Haquira Project 55 Calandria Sur 55 MPD# 55 Updated Feasibility Study 55 Davcha 55 g t Au Eq 55 open pitable 55 ounce Akyem gold 55 Tiriganiaq 55 Au Cu mineralization 55 1g t Au 55 Louvicourt 55 Ta#O# 55 g t Pd 54 5g t 54 % Nb#O# 54 Sorowar 54 Y#O# 54 Hypogene 54 magnetite mineralization 54 Au t 54 hole FL# 54 #,#,# tonnes@#.# g [002] 54 Ounces produced 54 alaskite 54 #.#g t silver [001] 54 -Shalinda Glass 54 WBEXT 54 Porcupine Joint Venture 54 Inferred ounces 54 #-# compliant mineral 54 ppm U#O# 54 Ag Pb Zn 54 mineralized intercepts 54 eU 3 54 Thor Trend 54 -Shadowbend Place 54 Cerro La Paila 54 g t AuEq 54 Malartic Goldfields 54 Significant intercepts 54 5Mt 54 Starter Pit 54 lbs Cu 54 Djambaye 54 JORC Resource 54 Mineral Resource Statement 54 Ag oz 54 Masato Deposit 54 meterage 54 TiTac 54 oxide sulphide 54 Contained Metal 54 #.#Moz [002] 54 -Ceme tery 54 #,# g t 54 intersected anomalous radioactivity 54 Otjikoto 54 Vein Zone 54 Ore Mined 54 Hole YD# 54 Million Ounces 54 Gongondy 54 Au eqv oz 54 Gitennes 54 massive sulphide lens 54 mineable reserve 54 #.#g t Ag [005] 54 Emba Derho 54 #.#g/tAu 54 % eU#O# 54 Stepout 54 tonnage milled 54 Inferred mineral resource 54 Pigiput 54 maiden JORC 54 Inferred Resource Estimate 54 Au Cu 54 oz ton Ag 54 intersected #.#m [001] 54 hole MWNE 54 #m@#.# % [001] 54 El Compas 54 Probable Mineral Reserves 54 potentially mineable widths 54 Golouma West 54 Bakyrchik Deposit 54 drillcore 54 #ppm Cu 54 g t Au MGZD# 54 #m@#.# % [003] 54 Merensky reef 54 Dy#O# 54 Indicated resource 54 South Minita 54 @ #.#g t [004] 54 Estrella Pit 54 tpa nickel 54 intersected kimberlite 54 Golouma South 54 meters grading #.#g [001] 54 Onkelo 54 metres@#.# g t Au [003] 54 Hole intersected 54 ppm molybdenum 54 #.#g t Au [004] 54 Bellekeno deposit 54 grading #.#g t [002] 54 barrels mmbbl 54 #m@#.# % [005] 54 Non Brokered Financing 54 Karchiga 54 Canariaco Norte Copper 54 Barite Hill 54 Huajoto 54 Tumpangpitu 54 Malmbjerg 54 intersected #.#m [002] 54 Cachinal 54 ozs silver 54 ppm boron 54 #.#g t gold [005] 54 #.#Mt grading [003] 54 Cu Au 54 #.#Mt @ [002] 54 True Width 54 Pb Zn 54 #m@#.#g t Au [003] 54 Azulitas 54 Cu Eq 54 JORC inferred resource 54 barrels mmbbls 54 holes RL# 54 Dubenski Shaft Zone 54 Akwaaba Deeps 54 Topoyaco 54 ppm antimony 54 #m@#.# % [007] 54 platinum palladium rhodium 54 Grams Per Tonne 54 g t Au Ounces 54 Mineralized intervals 54 -Shankey 54 #Mt [001] 54 Valle Esperanza 54 Star Kimberlite 54 % Cu Eq 53 mineralization encountered 53 Hassai 53 Drill Hole Results 53 SMI LX 53 adit sampling 53 mineable resource 53 copper mineralization intersected 53 Wildfire Copper Keel 53 REE mineralization 53 Snowfield Zone 53 Hounde 53 Renard cluster 53 #koz [002] 53 hypogene mineralization 53 Greenschist Zone 53 Closes Private Placements 53 Minapampa 53 #m@#.#g t gold [001] 53 allanite 53 #.#g t Pd 53 Minapampa East 53 #,#,# tonnes grading [002] 53 + Pd + 53 Ida Dome 53 gAu T 53 Scadding Gold 53 Nechalacho deposit 53 Sleeping Giant Zone 53 ore grading 53 Pitarrilla 53 #.#gpt [004] 53 Agua Branca 53 Sulfide 53 #m@#.#g t gold [002] 53 Inferred Resource estimate 53 Sissingue 53 hole NFX# 53 -Alsayed 53 Taysan Project 53 La Coipa 53 heap leachable 53 undiscounted NPV 53 Muirs Reef 53 Njame 53 Cu Ni Co 53 Yauliyacu 53 NI #-# Compliant 53 #m@#.# g t [002] 53 Kavola East 53 Kalplats 53 gms tonne 53 Lone Pine Property 53 Measured Mineral Resources 53 MMbbl 53 Mineral Resource estimates 53 Indicated Resource categories 53 Minita deposit 53 sulphide deposit 53 aircore drill holes 53 Duparquet 53 open pittable gold 53 -ActivClient 53 mineable tonnage 53 #.#gpt Au [001] 53 Niakafiri 53 Dubenski property 53 El Creston Molybdenum 53 Reverse Circulation Drilling 53 Tortigny 53 metres@#.# g t Au [002] 53 SEMOS 53 g t 4E 53 Lac Herbin gold 53 #.#g t silver [003] 53 holes WAT# 53 macrodiamonds 53 Footwall Zone 53 granitic gneiss 53 ounce Akyem 53 magnetite ilmenite lenses 53 Moly Brook 53 Kemess Underground 53 #.#g t Au [003] 53 Pivert East 53 Ni Cu PGM 53 sylvite 53 Silverknife 53 UG2 reef 53 Indicated Resources 53 #WR# 53 - -fascist regimes 53 Drilling Encounters 53 holes DDH 53 hole HR# 53 macrocrystic 53 Rovina Porphyry 53 #.#g Au t [002] 53 diamondiferous kimberlite 53 Million ozs 53 extensional drilling 53 Creston Molybdenum Deposit 53 #.#gpt [002] 53 Croinor 53 Quiruvilca 53 Ciresata 53 mineralized widths 53 Chiis 53 #.#g Ag t 53 Wona SW Zone 53 acid leached 53 nickel Ni 53 ZrO2 53 #Mt y 53 gm tonne 53 Early Joli Fou 53 Prefeasibility 53 #ppm U#O# 53 kimberlitic material 53 mineralized envelope 53 Maybrun 53 Heruga deposit 53 Nyafe 53 Turquoise Ridge 53 Mineralized material 53 Morichito # 1N 53 Resource Calculation 53 OGIP 53 Cantung Mine 53 Valle Hondo 53 NEVADO 53 t Au 53 TRDH 53 -vs. Sonjay Dutt 53 NE Wollaston 53 La Colorada 53 tonnes grading 53 mineralized dykes 53 Ambrex 53 Cu Au mineralization 53 #.#gpt [003] 53 Beiya Gold Mine 53 Cu Zn 53 manganese mineralization 53 copper sulphide 53 massive sulphide mineralization 53 El Orito 53 Bombore 53 NI #-# Inferred Resource 53 Jingemia 53 Pt + Pd 53 #.#Mt [001] 53 lithium oxide 53 Significant intersections 53 #.#g t [006] 53 Anuri kimberlite 53 ppm Nb 53 #.#g t silver [004] 53 P#O# 53 molybdenite mineralization 53 3g t 53 anomalous mineralization 53 DG# #C 53 -adjacent Ubaydi 53 Quimsacocha 53 Cozamin 53 Uzboy 52 mineralized interval 52 Kerr Sulphurets 52 copper molybdenum mineralization 52 BRAZD 52 NI #-# Indicated Resource 52 Allammaq 52 Fieldex 52 Djambaye 2 52 Brucejack Project 52 Titiribi 52 Inferred Resource 52 hole CJV 52 % Cu #.#g 52 microdiamonds 52 Cerro Pelon 52 mineralized shear zone 52 Probable Reserve 52 #m@#.# g t [001] 52 Lac Levac 52 Schaft Creek 52 Takom 52 drillholes totaling 52 #.#g t gold [003] 52 specular hematite 52 WDD# 52 Nkout 52 Tatajuba 52 Guayuyaco Block 52 La Yaqui 52 chalcopyrite bornite 52 JORC Inferred 52 Metallurgical recoveries 52 Mineralized intercepts 52 #.#Moz [001] 52 Mirzaani # 52 Adumbi 52 Cib Haz 52 metres@#.#g t gold 52 #.#g t Ag [001] 52 m@#.# 52 Measured Resource 52 #.#g t gold [004] 52 Jahodna 52 Rotliegend sandstone 52 Drill Intersections 52 Sulphides 52 g t Aueq 52 tungsten mineralization 52 Metres Averaging 52 Santa Pancha 52 Pico Machay 52 Shirotnaia 52 #m@#.# g t [004] 52 porphyry deposit 52 Prestea Underground 52 stringer mineralization 52 BCFG 52 supergene mineralization 52 g/cm3 52 Alto Chicama 52 #.#gpt Au [002] 52 #.#g t [002] 52 GSR1 52 drill hole HR# 52 1Mtpa 52 % Fe#O# 52 #m@#.# g t [005] 52 #.#g t Au [006] 52 Daneros 52 Inmaculada Project 52 JORC resource 52 Siribaya mega structure 52 #.#Mt [003] 52 East Arta # 52 M'Phatlele 52 Copper Equivalent 52 Dios Padre 52 ppm Pb 52 Gualcamayo 52 Nariin Sukhait 52 metres@#.# g t [003] 52 Mankarga 52 Valdecanas Vein 52 Baruun Naran 52 Cu Au Mo 52 #m@#.# % [006] 52 Kutcho Project 52 Cumpie Hill 52 Kinsevere 52 Ouro Verde Deposit 52 kimberlite lithologies 52 chromites 52 #g t [001] 52 ppm Zn 52 Sulphide 52 vanadium pentoxide V#O# 52 #g t [002] 52 Upper Montney 52 produce #,#-#,# ounces 52 Sihayo 52 bulk mineable gold 52 Assay Results 52 -ALBANY NY AP/# WINS 52 1Moz 52 EGD# 52 #,#,# tonnes grading [001] 52 intersected anomalous 52 #m@#.#g t Au [006] 52 Merensky Reef 52 Moz Au contained 52 unrisked prospective 52 - -otherrisks 52 JORC resource estimate 52 Yaxtche deposit 52 Tumipampa property 52 + Y#O# 52 geologically mapped 52 Chargeability 52 Harrier Underground 52 #.#g t [001] 52 Eldorado Uranium 52 Goldex 52 #.#oz t [002] 52 Canariaco Norte 52 Inferred Mineral 52 zinc sulphides 52 Updated Resource Estimate 52 grade mineralization intersected 52 Chimiwungo 52 Calandria Norte 52 Hadal Awatib 52 Mochito 52 EMX NEM 52 Meliadine West 52 Hole IKD 52 t/m3 52 Drill hole GCL# 52 Cerro Vanguardia 52 Oshiveli 52 Inata 52 Kerekounda 52 Stora Sahavaara 52 tantalum oxide 52 oz Au t 52 Cu Pb 52 #.#Mt [005] 52 Lac Herbin 52 Kourouloulou 52 Haquira project 52 inferred category 52 Pucamayo 52 molybdenum Mo 52 Silver Eq 52 Mecaya 52 Topia Mine 52 Liontown 52 2P reserve 52 NAD# [002] 52 Gwabe 52 #CBN 52 maiden JORC resource 52 MoO3 52 Breccia Ridge Zone 52 Entree Gold 52 Kihitian 52 V#O# 52 Tonnes Au g t 52 tonnes grading #.#g Au [003] 52 anomalous Cu 52 Tiriganiaq deposit 52 Bulk Ex Kandla 52 Choco Mine 52 Probable Ore Reserves 52 Naciente Quebrada Pedregosa 52 #m@#.# g t Au [003] 52 Yegua sands 52 Ilmenite 52 Bisha Main 52 Canariaco 52 #,#,# tonnes grading [003] 52 Mlbs U#O# 52 El Cuatro 52 copper molybdenum silver 52 REE mineralized 52 Metallurgical Recoveries 52 cpht 52 Luiri Hill 52 Niobec 52 Belahouro 52 Au Cu Ag 52 massive sulphide lenses 52 Sicera Sur 52 Mokambo Mine 52 #ppm molybdenum [002] 52 #.#g t Ag [002] 52 Sinchao Property 52 Osisko Intersects 51 gAu tonne 51 trace chalcopyrite 51 saprolitic 51 Lower Skarn 51 Mineral Resources Estimate 51 Godah # 51 metres@#.# % [001] 51 acre Potash Subsurface 51 % WO3 51 copper skarn 51 #m grading #.#g [002] 51 Macusani Yellowcake 51 Los Filos 51 Roughrider uranium 51 #.#Mt grading [002] 51 heap leach processing 51 Ronguen 51 hole DDH 51 sylvinite 51 Mineable 51 Skyharbour Resources 51 koz 51 Vianey Mine 51 vanadium mineralization 51 Bouroum 51 Juanicipio Vein 51 Etango deposit 51 TCFE 51 Las Minitas 51 Chirano 51 -Whitsunday Regional 51 Amaruk property 51 Strateco Matoush 51 tonnage mined 51 Skarn 51 Kangaluwi 51 -Simeulue Island 51 Lo Increible 51 Initial Resource Estimate 51 #.#m #.#m [005] 51 Lipena 51 -DayPoint Enterprise 51 Moz Inferred 51 copper Cu 51 volcanic massive sulphide 51 Belleterre 51 Southeast Pediment 51 Saprolite 51 Cauchari Olaroz 51 Reverse Circulation drilling 51 4E PGM 51 bastnasite 51 BBLS 51 JORC compliant mineral 51 Penasco Quemado 51 interval assaying 51 Allammaq mineralization 51 surface geochemical anomalies 51 % Cu #.#g/tAu 51 MMBbl 51 Meters Grading #.# 51 Nose Deposit 51 mineralized pegmatite 51 @ #ppm U#O# 51 sq. kms 51 #.#kg t 51 surface trenching 51 Molejon 51 oz t Ag 51 Proved + 51 Lac Pelletier 51 #bcf [001] 51 -pass code SHOPNBC 51 Zn Ag 51 Youga Gold Mine 51 Metates 51 B#O# 51 Dip -# 51 Uranium Vanadium 51 % Zn Eq 51 spodumene 51 Lac Shortt 51 Skukum Creek 51 Dioulafoundou 51 Caspiche 51 mineralized lenses 51 Szolnok formation 51 copper #.#g t [002] 51 Pense Kimberlite 51 #m@#.#g t [006] 51 Los Mantos 51 Indicated categories 51 JORC compliant resource 51 Maranon Basin 51 #.#g t [005] 51 Palito Main 51 DDH# [001] 51 Cuiu Cuiu 51 QAP DDH 51 Indicated Inferred 51 CIM definitions 51 outcropping mineralization 51 oxidized mineralization 51 #m@#.# g t Au [002] 51 Hole RR# 51 stratigraphically below 51 mineralized zones intersected 51 geochemically anomalous 51 Marban deposit 51 downhole geophysics 51 Drill intercepts 51 Cozamin Mine 51 gAu t 51 Resource Estimate 51 Flow Through Financing 51 molybdenum rhenium copper 51 Nordeau West 51 IOCG mineralization 51 Reyna de Oro 51 Paracatu 51 Tepal 51 Opinaca Nord 51 Barsele 51 kimberlite occurrences 51 averaging #.#g t [002] 51 copper #.#g t [001] 51 Dienemera 51 El Creston molybdenum 51 Kau# 51 La Colorada mine 51 Adit # 51 Inaja Greenstone Belt 51 Yenac 51 Oxide mineralization 51 Basal Zone 51 #oz [002] 51 West Gabbro Zone 51 Beartooth Island 51 Lagunas Norte 51 Marra Mamba 51 Bluesky formation 51 Cobre Grande 51 Tres Juanes Norte 51 #-# Resource Estimate 51 mineable reserves 51 unoxidized 51 Terrane Mt 51 Hibou dyke 51 La Bodega zone 51 hole NC# 51 - -SCRT 51 Cr Fe 51 Gramalote Ridge Zone 51 tungsten WO3 51 KBRC# 51 -NZVCC 51 disseminated magnetite 51 Increible 6 51 mineralized intrusive 51 Arista deposit 51 open pittable 51 Yecora 51 felsic intrusive rocks 51 GBDH 51 True thicknesses 51 #.#g t Ag [004] 51 m@#.# % 51 Mineral Resource Summary 51 Mineralized 51 -original Hitlist 51 NI #-# Mineral Resource 51 Ounces -Recipe Chicken 51 Pb Zn Ag 51 kimberlite breccia 51 Ounces Au 51 Tasour # 51 chromitite 51 Kipoi Central 51 sulphide deposits 51 Li2O 51 Pinaya 51 #m@#.#g t [003] 51 Mineral Resource estimate 51 La Jojoba 51 hole RC# 51 Malundwe 51 gms tonne gold 51 volcanogenic massive sulphides VMS 51 MMSTB 51 HOLE NO 51 Scott Wilson RPA 51 Omchak 51 Au eq 51 Billion Cubic Feet 51 Starvation Canyon 51 Eastmain Mine 51 HREO 51 pyrite pyrrhotite chalcopyrite 51 Hushamu 51 El Toqui 51 UG2 Chromitite Layer 51 spodumene rich 51 metallurgical flowsheet 51 pyrite arsenopyrite 51 Valdecanas 51 Belleterre mine 51 Drill intersections 51 Zafranal copper 51 dike swarm 51 Zinc Zn 51 Inferred mineral resources 51 mineralized quartz vein 51 Cañariaco Norte 51 cobalt mineralization 51 secondary chalcocite 51 lamprophyre 51 Aranzazu Project 51 Copper Mineralization 51 approximately #km# [001] 51 Meter Drill 51 Stockwork 51 Sakoose 51 vein intercepts 50 ppm arsenic 50 Boyongan 50 Eugene Puritch P. Eng 50 #,#-#,# ft. Loc 50 Accha deposit 50 metres@#.# g t Au [001] 50 #ppb gold 50 potentially mineable 50 Moab Khotsong 50 minable 50 potentially open pittable