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(Click for frequent words.) 70 molybdenum bismuth 69 manganese zinc 69 sodium magnesium 69 phosphorus magnesium 69 KINSHASA Congo Fabulous 69 manganese cobalt 68 cadmium cobalt 68 Kulu copper 67 nickel vanadium 67 lithium enriched 67 Pastos Grandes 66 nutrients iodine 66 chromium nickel 66 hematite goethite 66 potassium phosphorus 66 Palaeozoic sedimentary 66 iron calcium magnesium 66 NYSE EAC Altius 65 sodium potassium calcium 65 iron magnesium phosphorus 65 pyrite pyrrhotite chalcopyrite 65 halite 65 Sift flour baking powder 65 titanomagnetite 65 magnesium potassium 65 titanium zirconium 64 uranium molybdenum rhenium 64 lepidolite 64 hematite magnetite 64 kaolin bauxite alumina 64 iron magnesium potassium 64 breccias containing 64 chromium manganese 64 chalcopyrite bornite 64 magnesium selenium 64 naturally occurring mineral 64 potash KCl 64 contamination Nishiyama 64 Potassium hydroxide 64 ilmenite rutile 64 vanadium ore 64 Salta Argentina Diablillos 64 stratigraphically below 64 potash alumina 64 Cauchari Olaroz 64 Enger uranium projects 63 pegmatite hosted 63 scheelite 63 lithium potassium 63 potassium salts 63 niobium oxides vanadium 63 sodium potassium magnesium 63 chemical intermediates inks 63 Pilunani 63 folate magnesium 63 iron calcium potassium 63 cinnamon baking soda 63 hydrothermal magnetite 63 produce zinc calcine 63 Nui Kem 63 potassium calcium magnesium 63 Salar de Diablillos lithium 63 magnesium calcium 63 bornite chalcopyrite 63 cited krypton strontium 63 gold porphyry skarn 63 barium strontium 63 Sodium Potassium 63 pathfinder element 63 copper bauxite kaolin 63 mixture CWM 62 arsenic cobalt 62 riboflavin niacin 62 barium arsenic 62 cerium lanthanum 62 Salar de Atacama 62 fluorimetry partial digestion 62 molybdenum sulphide 62 tantalum niobium beryllium tungsten 62 Tom Kilbey Sr. 62 uranium tantalum gallium 62 Barrick Eskay Creek 62 potassium folate 62 arsenic selenium 62 vanadium molybdenum 62 Xstrata Las Bambas 62 gold arsenic antimony 62 nickel chromium 62 abundant pyrite 62 arsenic boron 62 thiamin riboflavin 62 yttrium oxide 62 DAP Di Ammonium 62 Updates Resource Estimate 62 Xstrata Copper Las Bambas 62 magnesium phosphorus 62 selenium tellurium 62 potassium magnesium 62 Xstrata Nickel Raglan 62 #m@#.# % [006] 62 Strawberry Flats 62 Calcium carbonate 62 tantalum Ta 62 bismuth Bi 62 sylvite 62 calcium fluoride 62 Monazite 62 diopside 62 #m@#.# % [002] 62 Heruga copper gold 62 limestone dolomite 62 dietary fiber vitamins 62 U Ag Cu 62 copper nickel cobalt 62 pyrite galena 62 magnesium silicate 62 chalcopyrite copper 62 gallium indium 62 sodium chloride NaCl 62 lanthanum neodymium 62 evaporite 62 hydroxides 62 scheelite bearing 61 Anomalous values 61 pentoxide 61 Sodium chloride 61 arsenic manganese 61 sedex 61 phosphorous potassium 61 zinc indium 61 Mix cornstarch 61 Sodium silicate 61 Lithium Potash 61 = Tb#O# 61 carbohydrates vitamins 61 disseminated sulfide 61 nepheline 61 potash brine 61 calcium sulphate 61 colluvial 61 Sulfates 61 Nitrogen N2 61 Ag Cu Pb 61 tungsten tin 61 leachability 61 Ag Pb Zn 61 platinum palladium nickel 61 cyanide arsenic 61 molybdenum tungsten 61 Svartsengi 61 g t rhenium 61 manganese chromium 61 kyanite 61 arsenic bismuth 61 Methane hydrates 61 magnesium phosphorous 61 naturally occurring minerals 61 greensand 61 magnesium manganese 61 Twangiza Main 61 soils sediments 61 rich orogenic quartz 61 Ilmenite 61 El Pachon 61 Huajoto Gold Silver 61 hydrothermal alteration indicative 61 olivines 61 ferrous sulphate 61 silica alumina 61 Longshot Ridge copper 61 Geochemical analysis 61 manganese potassium 61 Tib Lake 61 praseodymium 61 magnesium salts 61 copper conc 61 lithium potash 61 chrome manganese 61 Bayswater combines balanced 61 overlying sediments 61 gallium indium arsenide 61 Vulcain properties 61 Drilling Extends 60 Sinchao Property 60 Combine breadcrumbs 60 hydrated silica 60 Bentonite clay 60 Lengai 60 Domoic acid neurotoxin 60 argentiferous 60 calcine 60 kidneys excrete 60 mantle xenoliths 60 magnesium zinc 60 manganese carbonate 60 essential micronutrient 60 Fulvic acid 60 aluminum silicate 60 quartz hematite 60 chrome diopside 60 allanite 60 copper platinum palladium 60 Osisko Releases 60 chromium titanium 60 Salar de 60 cadmium selenium 60 copper molybdenum silver 60 enargite 60 Salta Province Argentina 60 potassium feldspar 60 ferric oxide 60 stearate 60 Nariin Sukhait 60 soda baking powder 60 hydrometallurgy 60 commercially mineable 60 silica carbonate 60 vanadium titanium 60 Oxidized 60 arsenic chromium 60 hydrofluoric acids 60 Potash SOP 60 lithium oxide 60 phosphorite 60 galena pyrite 60 pyrophyllite 60 calcium magnesium iron 60 respired 60 manganese molybdenum 60 Methane hydrate 60 topographical characteristics 60 Lupoto Copper Project 60 iron manganese 60 Corp. Joins OTCQX 60 iron fortified cereals 60 Palladium Pd 60 Combine flour baking 60 antimony arsenic 60 Drill Hole Results 60 Ethylbenzene 60 tri acid digestion 60 colorless odorless radioactive 60 platinum Pt 60 calcium phosphorus magnesium 60 sulfosalts 60 sodium potassium chloride 60 iron sulphides 60 Los Bronces Los Pelambres 60 cherty 60 Add ½ teaspoon 60 cyanides 60 Ofin river 60 arsenic barium 60 polymetallic Au Ag 60 elements HREE 60 quartz arsenopyrite 60 silicate rocks 60 Sakoa 60 silicate mineral 60 stockwork breccia 60 quartz feldspar 60 potassium sulfate 60 arsenic antimony mercury 60 Chalcopyrite 60 tourmaline veins 60 molybdenum vanadium 60 Argentex polymetallic discovery 60 potassium manganese 60 Rhenium Re 60 Calcium magnesium 60 nickel Ni 60 Mouchalagane Nickel Copper 60 d'Or stretch 60 Au Cu Ag 60 laterite deposits 60 concentrated phosphates 59 salt sulfate 59 Commences Drill Program 59 iron alloy 59 niobium tantalum 59 Anuri kimberlite 59 respirable coal 59 granite gneiss 59 copper cobalt nickel 59 calcium magnesium phosphorus 59 Eagle Nest nickel 59 silver indium 59 barium chloride 59 Sulphates 59 chromium cadmium 59 pyrites 59 metres@#.# % [002] 59 natural flake graphite 59 biotite rich 59 magnetite gneiss 59 iron titanium oxide 59 potassium phosphate 59 Aztreonam formulated 59 bearing stratigraphy 59 CaO 59 slag byproduct 59 carnotite 59 talus fines 59 Kena Property 59 silicate minerals 59 #ppm molybdenum [002] 59 zinc manganese 59 Skukum gold 59 sulfidation style 59 altered ultramafic 59 quartz biotite 59 lithium tantalum 59 goethite hematite 59 calc silicate skarn 59 Rare Earth Element Niobium 59 Escalones copper gold 59 Carbonaceous 59 AngloGold Ashanti Cerro Vanguardia 59 coarser grained 59 magnesium stearate 59 Fluorspar 59 Emba Derho copper 59 zinc sulphide 59 Sulfide 59 Irokinda 59 Norrliden Polymetallic Deposit 59 amphibolites 59 Carbonyl 59 Salinas Grandes 59 Zinc Copper 59 beryllium cadmium 59 Njame 59 oxidises 59 resorcinol 59 neodymium Nd 59 goethite 59 Combine flour 59 Australia ASX IVA 59 hole FC# 59 chromium vanadium 59 dichromate 59 SEDEX zinc lead 59 Hoidas Lake 59 pyroxene 59 titaniferous magnetite 59 Drilling Resumes 59 Goldcorp El Sauzal 59 exhalite 59 El Tecomate 59 titanium vanadium 59 ATP Adenosine 59 Combine cornstarch 59 UG2 ore 59 copper sulphide 59 manganese dioxide 59 benzene ethylbenzene 59 #.#gpt gold [001] 59 include rechargeable PLI 59 Cu porphyry 59 alaskite hosted 59 inorganic salts 59 pyrite arsenopyrite 59 stockpiling solvents 59 Duddridge Lake 59 Lightly spoon 59 calcrete hosted 59 % Gold Essentuki 59 pyrite marcasite 59 Cauchari 59 Cananea copper 59 potassium sodium 59 cobalt nickel 59 Silbak Premier Mine 59 leucoxene 59 La Preciosa killer 59 QDD deposit 59 pyrite stockwork 59 epidote 59 GOLD COPPER 59 cerium Ce 59 quartz tourmaline breccia 59 potassium magnesium calcium 59 neodymium praseodymium 59 Outcropping 59 barium chromium 59 Nithi Mountain 59 cocoa baking powder 59 manganese oxides 59 calcium silicate 59 finely disseminated 59 Ag Pb 59 mineral apatite 59 chrome diopsides 59 Barrick Veladero 59 uraniferous 59 plutonium americium 59 acids solvents 59 near Schefferville Quebec 59 Au Eq 59 spodumene 59 Cassiar Moly property 59 chemical deicers 59 Nickel Cobalt 59 H#SO# 59 talc chlorite 59 Mobilizes Drill 59 Quebrada Verde 59 magnesium carbonates 59 Lupita Mine 59 gallium germanium 59 floatation mill 58 siliceous sediments 58 trioxide 58 chromium arsenic 58 iron sulfate 58 stockworked 58 schistose 58 Williamson Mwadui 58 Tapuli Stora Sahavaara 58 plagioclase 58 elements europium 58 cobalt rhodium silver 58 VMS Belt 58 zirconium niobium 58 sodium citrate 58 Atacama Minerals 58 tungstate 58 molybdenum trioxide 58 grade tungsten skarn 58 smithsonite 58 fine grained sedimentary rock 58 Igunda 58 magnesium carbonate 58 Peppler Lake 58 calcium phosphorous 58 Calcium Magnesium 58 biotite chlorite 58 Reefton Goldfield 58 tuffaceous rocks 58 particulate matter nitrogen oxides 58 soluble salts 58 scandium yttrium 58 Skarn Zones 58 anhydrite 58 calcium riboflavin 58 TSX AXR AMEX AXU 58 wollastonite 58 B vitamins thiamin 58 Katangan Copperbelt 58 geological mapping trenching 58 Sangihe Island North 58 potassic altered porphyry 58 Tonnes Au 58 Puna Plateau 58 Archean Superior 58 Alaskite 58 Mineralised 58 folate potassium 58 chalcopyrite chalcocite 58 zinc sulfide 58 Valle Hondo 58 Sarfartoq 58 Bananghilig 58 TSX AVL OTCQX 58 Fracking involves pumping 58 amphibole 58 silicification quartz 58 iron magnesium manganese 58 Xstrata Nickel Raglan Mine 58 Buriti trend 58 Bayan Obo 58 Near Surface 58 Tonnes Category 58 Lemarchant prospect 58 zinc #.#g t 58 intersected anomalous 58 zinc Zn 58 Temascaltepec 58 Polycyclic aromatic hydrocarbons 58 Study Tanning beds 58 tellurium selenium iridium 58 Shipping Limited HKSE 58 phosphorus potassium 58 thiamin niacin 58 alkaline leaching 58 humic 58 arsenic benzene 58 TiTac 58 chrysocolla 58 Lunguya 58 Pampa Poroma 58 Maricunga Gold Belt 58 potassium carbonate 58 Copper Cu 58 bearing quartz carbonate 58 Duck Pond copper 58 manganese oxide 58 pediment gravels 58 Bonasika Mining Licence 58 Skouries copper gold 58 saprolitic 58 Private Placement Oversubscribed 58 Hypogene 58 barium sulphate 58 olivine rich 58 pyrope garnet 58 pyrite chalcopyrite sphalerite 58 kaolinite 58 El Volcan 58 Potassium Sulphate 58 tartaric 58 carnallite 58 Ionic liquids 58 Archean aged 58 pepper brocade peacoat 58 monazite 58 iodine cesium 58 calcined 58 Real Viejo 58 adsorbed onto 58 folate vitamin B6 58 & Arsenic Removal 58 baking powder cinnamon 58 erode tooth enamel 58 Bogoso oxide 58 Lutetium 58 soft whitish 58 Dispersants contain 58 potassium magnesium iron 58 Inhaling steam 58 oxidized ore 58 Lynx Hibou system 58 nickel silicate minerals 58 strongly chloritized 58 containing denture cream 58 Confirms Significant 58 nickel zinc 58 aluminosilicate clay 58 As Pb Ni 58 sheared mafic 58 Ag Zn 58 Langmuir nickel 58 copper sulphides 58 Contained Contained 58 Cu Zn Au Ag 58 spodumene lithium 58 hydrochloric acids 58 Barrick Lagunas Norte 58 detrital 58 Tres Juanes Norte 58 powder baking soda 58 phyllosilicate 58 Oxalate 58 titanium dioxide salt talc 58 orpiment 58 zero valent 58 Mount Oxide 58 chromium alloy 58 perchloric acid 58 arsenic cadmium mercury 58 dysprosium oxide 58 manganese magnesium 58 eluvial 58 tailing piles 58 Lithium Brine 58 Whisk flour 58 chlorite epidote 58 Azulitas 58 Padcal 58 uses nitric 58 aluminous 58 niobium Nb 58 Gwabe 58 catalyzed reactions 58 Lightly sprinkle 58 rare earths yttrium 58 variably silicified 58 nitrates phosphates 58 calcium magnesium zinc 58 Sahavaara 58 Radon naturally occurring 58 Zinc Mineralization 58 sodium selenite 58 Cotabambas 58 TSX ORL 58 Cr#O# 58 PGEs 58 niobate 58 indium gallium 58 molybdenum rhenium 57 Terbium 57 Au AA# 57 PCBs DDT 57 uranophane 57 Namoya Summit 57 carbonaceous mudstone 57 anorthosite 57 Combine bread crumbs 57 open pitable 57 calcium potassium magnesium 57 dissolved salts 57 Airplanes sprayed 57 Goddell Gully gold 57 baking soda baking powder 57 nitrogen potassium 57 Skukum Creek gold 57 counteracts perchlorate effects 57 cobalt cathode 57 best disinfectant Chernoff 57 tinted crimson 57 Central Mineralised Zone 57 Arsenopyrite 57 sulphide mineral 57 medium sized saucepan 57 specularite 57 Jean Sebastien Lavallee P.Geo 57 silver arsenic antimony 57 Altynalmas 57 carboxymethyl cellulose 57 garnet skarn 57 sulphide ores 57 Kennecott Bingham 57 rich Ambler volcanogenic 57 Porvenir Mine 57 malachite azurite 57 Black Thor Chromite 57 monzodiorite 57 Miminiska 57 ILU AU 57 reserved pineapple juice 57 solvent extraction electrowinning 57 PGM deposit 57 uranium thorium 57 Heme iron 57 thrust interleaved sequence 57 Add onions garlic 57 trichloroethene TCE 57 bentonite clay 57 Andean Cordillera 57 Podolsky mines 57 bearing sulphides 57 sulphidic 57 pyrochlore 57 Ciresata 57 greenschist facies 57 Expands Mineralization 57 Renard cluster 57 barium carbonate 57 Tres Juanes 57 Dysprosium Dy 57 Spodumene 57 #m@#.# % [004] 57 sand silt 57 sulfur oxides nitrogen oxides 57 Temiscamingue Quebec 57 Brackish water 57 volcanic pumice 57 Serrote 57 phosphate P#O# 57 chalcopyrite galena 57 Inaja Greenstone Belt 57 polymetalic 57 tetrachloroethene PCE 57 Temoris Project 57 Salar de Diablillos 57 sulfidic 57 Drilling Confirms 57 Saskatchewan Beartooth 57 ROM ore 57 Tungsten Molybdenum 57 benzenes 57 lithium tantalum cesium 57 sulphide mineralized 57 American AAL.L Antofagasta 57 porphyry skarn 57 Pantanillo 57 sapphire bracelets 57 quartz veinlet 57 sandstone limestone 57 refines selenium 57 Bisha Main 57 Muskox kimberlite 57 massive sulphide grading 57 steel ferroalloys 57 HBI DRI 57 T Vanadium Iron 57 Ag Cu Zn 57 iron sulfide 57 Zn Cu 57 Cerro Dorado 57 Sift flour 57 benzoates 57 Corani silver 57 copper skarn 57 eclogite 57 Detailed geological mapping 57 Matsitama Project 57 crystalline silica dust 57 basalt volcanic 57 Tumipampa exploration properties 57 dunite 57 Brabant Lake 57 sphalerite galena 57 iron sulphate 57 Salares 7 57 vanadium V#O# 57 quartz barite 57 Hushamu 57 Cañariaco Norte 57 zinc selenium 57 ALAN HENRY 57 chalcedonic 57 Sodium bicarbonate 57 concerning economically recoverable 57 irritate airways 57 coarsely crushed 57 hydrous 57 Nd#O# 57 stibnite 57 promising tungsten molybdenum 57 massive sulphide VMS 57 ASX RML 57 beta carotene potassium 57 Cerro Ccopane 57 + Pd + 57 Catalytic converters contain 57 itabirite 57 Sudbury breccia 57 pyrite altered 57 phosphide 57 metals tin tantalum 57 Dimethyl ether DME 57 ANG SJ Africa 57 Massive Sulfide 57 Tortigny 57 disseminated magnetite 57 Aurizon Casa Berardi 57 eclogitic 57 arsenic cadmium chromium 57 1g fiber 57 unoxidized 57 Tinka Resources Limited 57 sylvinite 57 APNewsBreak Bubble 57 hydrothermally 57 Zinc Zn 57 nitrate nitrite 57 tantalum oxide 57 Geochemical analyzes 57 Nickel laterite 57 Au Pt 57 cocoa baking soda 57 arsenic beryllium 57 Kitsault Molybdenum 57 Barrick Gold famed Eskay 57 sodium sulfide 57 gm Au 57 evaporite deposits 57 M'Phatlele Project 57 tungsten ore 57 Mapochs 57 Riboflavin 57 Sakami Valmont 57 cobalt sulphates 57 strongly altered mafic 57 macrocrystic 57 litho geochemical 57 lutetium plus yttrium 57 Zafranal copper 57 ALA alpha linolenic 57 ferrochromium 57 Prophecy Ulaan Ovoo coal 57 Anomalous gold 56 ATP adenosine 56 acid leached 56 East Kalimantan Indonesia 56 Laterite 56 Mafic 56 Sindesar Khurd 56 ALS CHEMEX Laboratories 56 calcium magnesium potassium 56 Adi Nefas 56 Calcium carbide 56 -Expandable Memory 56 Silver Eq 56 Mactung 56 acid chloride 56 silver equivalent AgEq 56 graphitic carbon 56 #ppb [002] 56 Fe#O# 56 Zun Holba 56 #.#gpt [001] 56 Manto Verde 56 cadmium chromium copper 56 Commences Drilling Program 56 fats proteins 56 edible peas lentils 56 Ambrex 56 NorthMet 56 Kambalda style 56 Opinaca Nord 56 BIF outcrops 56 palaeo channel 56 alpha pinene 56 Avino Silver 56 titanate 56 giant Cerro Casale 56 alluvials 56 Boiling kills 56 Cu Ag 56 heap leachable 56 BRPM 56 stockwork veins 56 Sorowar 56 outcrop stripping 56 saucepan combine sugar 56 molybdenum sulphide mineralization 56 Despoblados 56 phosphate ore 56 Anomalous copper 56 Elemental mercury 56 isotope fractionation 56 Drain reserving 56 felsic metavolcanics 56 cellulose hemicellulose 56 Au Ag Pb Zn 56 granodiorite porphyry 56 nickel manganese 56 Eastford Lake 56 barium sulfate 56 drillhole intersected 56 Magusi 56 mafic intrusive rocks 56 electrolyte salts 56 Terrane Mt 56 underground coal seams 56 sodium sulphate 56 hypogene 56 silicified limestone 56 Kinsevere copper mine 56 Itafos 56 hematitic 56 Vetagrande 56 rockchip 56 Silicon Dioxide 56 claylike 56 Picachos 56 openpit mine 56 Ccaccapaqui Gold Silver 56 disseminated pyrite pyrrhotite 56 magmatic massive sulphides 56 anomalous arsenic antimony 56 Humic 56 Wassonite 56 ground radiometric surveys 56 chalcocite chalcopyrite 56 Dominion Reefs 56 volcanic tuffs 56 Mala Noche Footwall Zone 56 isotopic compositions 56 electrolytes sodium potassium 56 lithium beryllium 56 fluorapatite 56 chromium molybdenum 56 radioactive thorium 56 alunite 56 Chandgana Khavtgai 56 nitrogen phosphates 56 Quebrada Blanca 56 chlorite carbonate 56 pyrrhotite chalcopyrite 56 froth flotation 56 Rio Zarza 56 quartz latite 56 cesium formate drilling 56 sulphide deposits 56 leach CIL 56 lithium carbonate lithium hydroxide 56 coal anthracite bituminous 56 namely ammonium bicarbonate 56 mercury chromium 56 Waratilla Prospecting License 56 TSX AVL 56 thallium toxic 56 seabed sediments 56 Group Metals PGM 56 EXX SJ 56 emits alpha 56 sampling geological mapping 56 zircon rutile 56 thiosulfate 56 magnetite iron 56 tomatoes onion garlic 56 mineral salts 56 felsic tuffs 56 HoneyBadger Exploration 56 dolomites 56 intermediate metavolcanic rocks 56 germanium antimony 56 OTCBB SFMI 56 polymetallic ores 56 syngas mixture 56 Poly Metallic 56 molybdenite occurs 56 Rooipoort 56 sulfate ions 56 molybdenite MoS2 56 Ltd. KIO SJ 56 baking soda cinnamon 56 BayStreet.ca Research Alert 56 bastnasite 56 Y Zr 56 ion ion 56 Heap Leaching 56 Proterozoic aged 56 AngloGold Ashanti Titiribi 56 Lynn Lake Gabbros 56 Combine marinade 56 rubbly 56 American Silver Morococha 56 mercury arsenic cadmium 56 bauxite phosphate 56 bauxite manganese 56 Predilecta 56 niobium oxide 56 Barrick Gold Pierina 56 Teapot Granite 56 magnesium hydroxide 56 sphalerite zinc 56 calcining 56 geological mapping geochemical 56 LREE 56 jarosite 56 Beluga sapphire property 56 Cumaru 56 LON BAO 56 copper sulfide 56 albite 56 g/cm3 56 sheeted quartz 56 groundwaters 56 transports iron ore 56 Bayovar 56 laterites 56 Barrick Pascua Lama 56 glucocerebroside primarily 56 Los Candelones 56 Ascorbic acid 56 acid DHA 56 strontium isotope naturally occurring 56 K feldspar 56 raffinate 56 Europium 56 mineralize 56 amorphous silica 56 alluvial gravels 56 Simuku 56 favorable lithologies 56 HPM Forgues Nickel 56 TSX ETG 56 peridotites 56 Philippine volcano spews 56 ¼ tsp 56 geophysical surveys trenching 56 Onjuul 56 Methane CH4 56 quartz calcite 56 #,#,# Ag eq 56 Chelation removes heavy 56 Bouroum 56 Veta del Contacto 56 Akwaaba Deeps 56 MoO3 56 Classification Tonnes 56 Daisetta sits 56 acid soluble 56 Skim fat 56 Kinyambwiga gold 56 Berea sandstone 56 Malku Khota Silver 56 arsenic cadmium copper 56 scallions parsley 56 tungsten WO 3 56 Amaruk property 56 Silicates 56 micronised 56 carbonaceous shale 56 lithium vanadium 56 intersected sulphide 56 naturally occurring tannins 56 tonnes@#.# g t Au [001] 56 Haquira Cu Mo 56 folate calcium 56 Ni Cu PGM 56 geochemistry geophysics 56 Inter Chile Limitada 56 MagMetals 56 chalcopyrite sphalerite