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(Click for frequent words.) 68 Gradient Geophysics 66 Geologic mapping 64 Itigi Manyoni Uranium 63 Mouchalagane 62 geochemical surveying 62 LS Grande 62 Scadding Gold 61 Farellon 61 Soil sampling 61 outcrop sampling 61 Anuri kimberlite 61 Estrades 60 Pidgeon Molybdenum Deposit 60 magnetometer survey 60 Eastmain Mine 60 soil geochemical survey 60 Boxey Point 60 Condor de Oro 60 Anchaca 60 Culebrilla 60 McFauld 59 Javhlant license 59 Airborne geophysics 59 Cannivan Gulch 59 geophysical surveys trenching 59 Opinaca Nord 59 VTEM airborne survey 59 geologically mapped 59 kimberlitic bodies 59 Lac Pivert Rose 59 McClarty Lake 59 Tib Lake 59 Riviere des Plantes 59 Yaramoko 59 VLF surveys 58 Yanque deposit 58 Skukum 58 geological geophysical geochemical 58 Itilima 58 Rare Earth Element REE 58 Turnor Lake 58 Singida Gold Property 58 Geotech VTEM 58 rockchip 58 Eagle Nest deposit 58 Sisson Brook 58 Wicheeda 58 airborne magnetometer 58 Puella Bay 58 Nixon Bartleman 58 airborne magnetometer survey 58 Lac Pelletier 58 Belleterre 58 Uzboy 58 Mapimi 58 Eastford Lake 58 Accha deposit 58 El Creston molybdenum 58 Marban Block 58 Norpax Deposit 58 Porphyry Pearl 58 Tantamaco 58 Regcourt 58 Birch Uchi 58 Deloro 58 Duquesne Ottoman 58 Nemegosenda Project 58 Las Bolas Los Hilos 58 Cluff Lake 58 excavator trenching 58 Bulk sampling 57 Geological mapping 57 Big Daddy Chromite 57 proposed Bonanza Ledge 57 airborne radiometric survey 57 La Blache 57 geological mapping trenching 57 Bamoos 57 West Pequop 57 induced polarization surveys 57 ground radiometric surveys 57 Pasfield Lake 57 MetalCorp 57 Attawapiskat diamond 57 Aappaluttoq 57 induced polarization survey 57 Renard cluster 57 auger sampling 57 Riviere Dore 57 Marban deposit 57 detailed airborne geophysical 57 Cassiar Moly property 57 AeroTEM III 57 Las Bolas deposit 57 geological mapping geochemical 57 geologic mapping 57 Detailed mapping 57 Kwanika 57 Ruhuhu 57 ground magnetics 57 sampling geological mapping 56 Meliadine West 56 gold geochemical anomalies 56 Kihitian 56 Pampa Sur 56 stream sediment geochemical 56 HoneyBadger 56 Sunbeam Pettigrew property 56 Groundhog coal 56 Huajoto 56 IP induced polarization 56 Fry Inlet 56 Kaminak Coffee 56 Mechanical trenching 56 ZTEM survey 56 commercially mineable 56 Airborne Geophysical Survey 56 TerraX 56 Goldbanks 56 IP geophysical 56 radiometric surveys 56 Upper Vein 56 Bjorkdal 56 Geophysical surveys 56 Sourdough Ridge 56 ground geophysics 56 Timmins Porcupine West 56 Keeno Strike 56 Kenwest 56 Magino Mine 56 Dogpaw Lake 56 detailed aeromagnetic survey 56 Soil geochemistry 56 Otish Uranium 56 Bonny Fault 56 Crackingstone 56 Duddridge Lake 56 Lemarchant prospect 56 Brookemont 56 geophysical interpretation 56 Nithi Mountain 56 reconnaissance geological mapping 56 El Cuatro 56 Duvay 56 auger drill 56 El Cometa 56 Kevitsa 56 Pasquia Hills oil 56 CSAMT geophysical survey 56 Canamerica 56 Gramalote 56 Bellechasse Timmins 56 Ketza River 56 Simuku 56 Chepica 56 Lac Levac 56 Delineation drilling 56 airborne magnetic electromagnetic 56 Broulan Reef property 56 Pampa Poroma 56 Megatem 56 Artillery Peak 56 bearing kimberlite 56 Yoquivo 56 Lingman Lake 56 Detailed geological mapping 56 Soquem 56 McFauld West 56 geological mapping prospecting 56 Ticho Project 56 Riou Lake 56 soil geochemical surveys 56 geophysical survey 56 electromagnetic EM survey 56 Consolidated Abaddon 56 Corachapi 55 underground delineation drilling 55 Lamelee 55 Miguel Auza 55 detailed geologic mapping 55 Jumping Josephine 55 Flume Ridge 55 Plomp Farm 55 Granduc 55 delineation drill 55 Induced Polarization 55 approximately #km# [001] 55 airborne radiometric magnetic 55 RTM AGE JV 55 MC Dalhousie 55 Freewest Option 55 molybdenum porphyry 55 Star Kimberlite 55 Kasagiminnis 55 Skukum Creek 55 VLF EM survey 55 Goldpines North 55 VTEM survey 55 helicopter borne VTEM 55 geological reconnaissance 55 Dubenski 55 Clay Howells 55 airborne geophysical surveys 55 Davcha 55 Highbank Lake 55 Skyharbour Resources 55 Singida Londoni 55 La Millonaria 55 Lac La Hache 55 sediment sampling 55 aeromagnetic survey 55 Surface sampling 55 Corani silver 55 Musselshell Property 55 Akasaba 55 induced polarization geophysical 55 Lamaque property 55 VTEM airborne geophysical 55 Ryanwood Exploration 55 Sulphurets deposit 55 VTEM geophysical 55 Nemegosenda 55 Igunda 55 Mikwam 55 dipole dipole IP 55 geochemical soil 55 kimberlite occurrences 55 airborne radiometric 55 Antimony Mountain 55 aero magnetic 55 Carscallen Township 55 El Compas 55 Nivloc 55 Kinyambwiga gold 55 TiTac 55 Tovshiir 55 petrographic studies 55 Tortigny 55 Promontorio mine 55 MMI anomaly 55 Dubenski property 55 stream sediment 55 Bellechasse Timmins deposit 55 IP geophysical surveys 55 South Doughstick 55 Ida Dome 55 Amaruk property 55 radiometrics 55 Basin Gulch 55 Broulan Reef 55 Xstrata Copper Las Bambas 55 Handcamp 55 Amarc Resources 55 Dadiangou 55 Belleterre mine 55 Yaxtche deposit 55 surface outcrops 55 Sardine Hill 55 Luhwaika 55 Cerro Las Minitas 55 lithogeochemical 55 Picachos 55 Mobile Metal Ions 55 detailed geological mapping 55 South Barnat 55 Taunus pit 54 Creston Molybdenum Deposit 54 Luisha 54 Letitna 54 VTEM airborne 54 2D seismic survey 54 Gaoua copper gold 54 Arap Tepe 54 Ccaccapaqui 54 Geohedral 54 Goldstorm 54 Nunavut Territory coal 54 airborne geophysical surveying 54 Pivert East 54 Cerro de Oro 54 TSX VENTURE VMS 54 Avion Tabakoto 54 prospecting trenching 54 Kenogaming 54 Tanis Mesa 54 Shining Tree gold 54 Nicoamen River 54 Ayelen Vein 54 Gold Anomaly 54 3D Induced Polarization 54 airborne geophysics 54 ground geophysical surveying 54 Chapadao 54 JORC resource estimate 54 airborne electromagnetic survey 54 stratigraphically below 54 Silverknife 54 Muskox kimberlite 54 trenching sampling 54 Shituru 54 Reconnaissance prospecting 54 Kerrs Property 54 Acrex 54 Mangazeisky 54 UPINOR 54 Kaunisvaara Project 54 #km 2D seismic 54 prospecting mapping 54 Ni PGE 54 soil geochemistry 54 Starvation Canyon 54 Buckskin Mesa 54 Kingurutik River 54 geophysical geochemical 54 ground geophysical surveys 54 Yusufeli 54 Ground geophysics 54 Dubenski Shaft Zone 54 Kigosi 54 Roughrider uranium deposit 54 Chalchihuites 54 geochemical geophysical 54 airborne VTEM 54 Wellgreen 54 Manibridge 54 Kena Gold 54 Sinivit 54 surface trenching 54 Pasquia Hills 54 Mongora 54 Hotstone 54 Gahcho Kue 54 Etame Marin 54 soil geochemistry surveys 54 Troymet 54 Wachigabau 54 Chapleau Wawa 54 Ventana La Bodega 54 Oro Amigo 54 Atikwa Lake property 54 Changkeng Gold 54 Main Shear Zone 54 Freegold Mountain 54 kilometer 2D seismic 54 Vynohradiv 54 Planchas de Plata 54 soil geochemical sampling 54 Bellekeno deposit 54 detailed airborne magnetic 54 mapping prospecting 54 Estrella Pit 54 geochemical surveys 54 prospecting geological mapping 54 Mineral Gulch 54 Zafranal 54 Mactung 54 Kangaluwi 54 BLEG 54 Besakoa 54 Rottenstone 54 Geophysical surveying 54 Induced Polarization IP 54 High Resolution Aeromagnetic 54 electromagnetic surveys 54 ZTEM 54 airborne electro magnetic 54 La Jojoba 54 kimberlite dyke 54 Jojay 54 geological mapping sampling 54 Groundhog Coal 54 airborne VTEM survey 54 Pony Spur 54 Inaja Greenstone Belt 54 enzyme leach 54 Ikungu 54 CUMO 54 Langmuir Township 54 Butia prospect 54 Penasco Quemado 54 Goz Creek 54 Aurizon Joanna 54 Vizcachitas 54 Kalukundi 54 Parkin Offset Dyke 54 Pucamayo 54 Njame 54 IP resistivity 54 Kitenge Prospect 54 topographic surveys 54 Emba Derho Adi Nefas 54 kilometer airborne magnetic 54 diamondiferous kimberlite 54 Cassiar Moly 54 Geotech Ltd. 54 Guayabito 54 termite mound sampling 54 Kugruk 53 VTEM surveys 53 Morelos Sur 53 vanadium mineralization 53 ESCALE 53 Shaft Zone 53 Dios Padre 53 Dorothy Dobie 53 geophysical interpretations 53 potentially open pittable 53 Tay LP 53 Shivee West 53 Schefferville Quebec 53 Corongo 53 Walsh Katrine 53 Mina Justa 53 Pilunani 53 Afgan Kobeh 53 outcropping mineralization 53 Petrol Neodesha 53 Zafranal Main Zone 53 Massive Sulphide VMS 53 Fold Nose 53 Diabase Peninsula uranium 53 #-# Resource Estimate 53 Hambok 53 airborne magnetic 53 Tungsten Molybdenum 53 Klappibacken 53 Colquipucro 53 Shining Tree Gold 53 NE Wollaston 53 Suurikuusikko 53 Las Boquillas 53 Borealis Property 53 FMEC 53 Santa Fe Ipora 53 trench sampling 53 mechanical trenching 53 Tortigny deposit 53 sq km 3D seismic 53 Coneto 53 MMI geochemistry 53 soil sampling 53 geological interpretations 53 lode claims 53 Kanosak 53 mapping trenching 53 Wesgold 53 JBP Linear 53 Wabassi 53 Gjegjan 53 Bald Butte 53 airborne electromagnetic 53 Tulks South 53 Malartic Quebec 53 Huxter Lane 53 TSX VENTURE MOR PINK 53 La Prieta 53 Kinojevis 53 magnetometer surveys 53 Chaza block 53 Sulphide Project 53 Tad Toro 53 unpatented lode claims 53 Mt Penck 53 Dombraly 53 VLF EM surveys 53 airborne radiometrics 53 Carlin Vanadium 53 radiometric magnetic 53 Bellekeno 53 Opikeigen 53 EM geophysical survey 53 airborne geophysical anomalies 53 Amaruk 53 Buffalo Ankerite 53 anomalous geochemical 53 Azulcocha West 53 InfiniTEM survey 53 Prefeasibility Study 53 HLEM 53 JAK Zone 53 Hushamu 53 km 2D seismic 53 electromagnetic geophysical survey 53 Cumpie Hill 53 Hoidas Lake 53 Douay Ouest 53 surface geochemical sampling 53 surface geochemistry 53 Beardmore Geraldton Gold 53 Nyota Prospect 53 Schefferville Gold 53 Kalabity 53 MMI soil geochemical 53 Azulitas 53 Kobada 53 Entree Ivanhoe Mines 53 Plawce 53 geophysical conductors 53 Ground geophysical surveys 53 Sian Praso 53 Carscallen Gold 53 infill sampling 53 TSX VENTURE PTU 53 Vaquillas 53 West Cedartree 53 Peppler Lake 53 Pimenta Bueno 53 Yuinmery 53 IP geophysical surveying 53 Scheelite Dome 53 Canariaco Norte copper 53 geochemical assays 53 CSAMT 53 extensional drilling 53 Induced Polarization geophysical 53 Sawn Lake 53 Guayabales 53 Tres Juanes Norte 53 Teapot Granite 53 Camflo West 53 Hassai 53 Abitibi Geophysique 53 Lunguya 53 Paymaster Canyon 53 Kvanefjeld 53 Firma Gold 53 systematic geochemical sampling 53 Adumbi 53 Etango deposit 53 NGEx 53 airborne geophysical survey 53 Otish Mountains 53 BCGold 53 Roughrider East 53 Maxhamish 53 Goldsource Border 53 geophysical surveying 53 Coloro property 53 Represa Zone 53 overburden sampling 53 magnetic geophysical 53 Pokukrom East 53 Lac Pau 53 KIMs 53 Diamond Drill 53 Curipamba 53 Casa Berardi Mine 53 linecutting 53 Juanicipio Vein 53 magnetic geophysical surveys 53 IP resistivity survey 53 mechanized trenching 53 magnetic electromagnetic 53 coincident geochemical 53 Barite Hill 53 TSX VENTURE NAI 53 Canariaco Norte 53 tenement E#/# 53 airborne EM 52 El Rayo structure 52 Sicera Sur 52 Bronson Slope deposit 52 Yenac 52 Bronson Slope 52 Bellekeno silver 52 vein outcrops 52 Macusani Plateau 52 Kenville Gold Mine 52 Singida Londoni Gold 52 Magma Metals 52 Gravity Survey 52 Finkolo 52 Fresso concession 52 Pukaqaqa 52 Induced polarization IP 52 Lupoto 52 Kerrs Gold 52 resolution airborne magnetic 52 Colnic porphyry 52 Cu Ni 52 prospective stratigraphy 52 Argex 52 VTEM airborne surveys 52 IP geophysical anomalies 52 Musley Deposit 52 Thelon Project 52 South Tally Pond 52 Sulfato 52 Falea 52 Urumalqui 52 Namoya Summit 52 Brookbank Gold 52 Duck Pond Mine 52 Chester Copper Polymetallic 52 Cobre Grande 52 TSX VENTURE BCG 52 Completes Airborne 52 Favourable Lake 52 Kay Tanda 52 Kamistiatusset 52 ground magnetometer surveys 52 Aeroquest 52 Kenbridge Nickel Project 52 Fuwan 52 TSX VENTURE GOG 52 Metallurgical testwork 52 Croxall Property 52 CX# #XD 52 MegaTEM 52 Chimiwungo 52 km2 3D seismic 52 Kakanda Project 52 Leitch Sand River 52 airborne magnetic survey 52 gold bearing gravels 52 Black Thor chromite 52 Norrliden Polymetallic Deposit 52 Dorset Pickle 52 Zuun Mod molybdenum 52 Gossan Hill 52 strengthens SFX 52 T Vanadium Titanium 52 Asankrangwa Holdings 52 Dogpaw No. 52 magnetometric 52 Solotomo 52 Croinor gold 52 Kitsault molybdenum 52 stockwork breccia 52 sampling trenching 52 geological mapping 52 Goldeye Explorations Ltd. 52 geological geophysical 52 Tumipampa property 52 Fracture stimulation 52 Tiekoumala 52 3D Seismic 52 Lustdust 52 scintillometer surveys 52 Yarumalito 52 Pokukrom West 52 Shebandowan 52 Lateegra 52 induced polarization geophysics 52 Harena 52 Dogpaw Lake property 52 Enzyme Leach soil 52 Lipena 52 Zijinshan Gas Asset 52 refrac 52 Sanshaw Bonanza 52 SAMEX 52 Fieldex 52 auriferous zones 52 Colpayoc 52 2D seismic data 52 R Registered Trademarks 52 Ruighoek 52 Boomerang massive sulphide 52 Luz del Cobre 52 Hotish 52 Mininko 52 Anatacau Wabamisk 52 REE mineralized 52 Huidong 52 Aurizon Mines 52 Athabasca Basin Saskatchewan 52 Perkoa 52 T'Boli gold silver 52 gold copper porphyry 52 Sanish field 52 Houndé 52 Las Carolinas 52 borehole geophysics 52 Bokan Dotson Ridge 52 Bullabulling 52 Canariaco 52 GEOTEM survey 52 sulphide mineralized 52 wholly owned Snowfield Project 52 gradient array 52 alluvials 52 Carscallen property 52 adit sampling 52 El Manto 52 tungsten mineralization 52 Las Bolas 52 IP geophysics 52 ROK Coyote 52 wholly owned McFaulds 52 auger drilling 52 Flin Flon Greenstone Belt 52 Mothae pipe 52 Veta Madre 52 Asmara Project 52 Bonanza Ledge Zone 52 GoldSands 52 Belleterre Mine 52 reconnaissance prospecting 52 Fugro Airborne Surveys 52 aircore drilling 52 Voigtberg 52 maiden JORC resource 52 Biga Peninsula 52 Seberaba 52 Preliminary metallurgical 52 Barlevskoye 52 kimberlite cluster 52 Cerro Chorcha 52 glacial till 52 diamondiferous kimberlites 52 Quantec Geoscience 52 El Domo deposit 52 coincident geophysical 52 Pozo Seco 52 Tulsequah Chief 52 Cruce Property 52 drillsite 52 alluvial gravels 52 InnovExplo 52 radon anomalies 52 geochemical 52 Dargues 52 IP Resistivity survey 52 South Miwah Bluff 52 Junnagunna 52 Carheil 52 Sugarloaf Peak 52 Klaza property 52 borehole EM 52 Nordeau East 52 MXI announces 52 Hatter Graben 52 crestal 52 Thor Trend 52 Changkeng 52 Sachigo Greenstone Belt 52 Tanjianshan 52 glacial overburden 52 Ebouri field 52 Kasala Main Zone 52 sulphide intersections 52 Despoblados 52 backhoe trenching 52 drillcore 52 McFauld Lake Area 52 Toquima 52 MEGATEM survey 52 Prefeasibility 52 Krone Endora 52 Radiometric 52 mapping geochemical sampling 52 soil geochemical 51 soil sampling trenching 51 Hasbrouck Geophysics 51 Sicera Norte 51 Mistassini 51 Windarra Minerals Ltd. 51 BonTerra announces 51 Nanjinzhao 51 Molybdenum Copper 51 subsurface soils 51 Excavator trenching 51 Geotech Ltd 51 Arkose 51 stepout drilling 51 CSAMT survey 51 wetlands delineation 51 infill diamond 51 Bororo Nuevo 51 Breccia Ridge 51 Airborne Survey 51 Candorado 51 Ronguen 51 Magusi 51 Netas Mining 51 Capoose Silver Trend 51 Manicouagan Minerals 51 Encino Gordo 51 Malrok 51 Tableland Saskatchewan 51 nickel laterite mineralization 51 Currais Novos 51 Tres Hermanas 51 Opinaca reservoir 51 TSX VENTURE BFD 51 Landrose 51 Goldpines 51 resource delineation drilling 51 ESO Uranium 51 Reverse Circulation Drill 51 Pirquitas Project 51 Forestel Zone 51 Tabita Prospect 51 Diablillos 51 Mkuvia Alluvial Gold 51 Nariin Sukhait 51 Macusani uranium 51 airborne anomalies 51 Eagle Nest Mining 51 Platosa Mine 51 Matagami Quebec 51 Bulk Sampling 51 polymetallic deposit 51 Cusi Property 51 Enzyme Leach 51 Calandria Sur 51 alaskite hosted 51 manganese mineralization 51 Moly Brook 51 Copaquire 51 TDEM survey 51 wholly owned Snowfield 51 Detailed geologic mapping 51 IP Resistivity 51 Rateria property 51 Reverse circulation 51 Lone Pine Property 51 Juanicipio Joint Venture 51 Muirs Reef 51 Guazapares 51 Altintepe 51 placer workings 51 Tulita coal property 51 niobium mineralization 51 unpatented lode mining 51 AHGZ 51 magnetometric survey 51 Hoyle Pond Mine 51 Storie molybdenum 51 supergene zone 51 Larder Lake Property 51 Mankarga 5 51 calcrete sampling 51 Los Candelones 51 #/#a-# [001] 51 Talapoosa 51 Tejamen Silver Property 51 TSX VENTURE RBE 51 Sorowar 51 Geophysical Survey 51 litho geochemical 51 RC drillholes 51 M'Phatlele 51 Bongará 51 Montcalm Mine 51 massive sulphide deposit 51 RC percussion 51 Grevet 51 Drilling Completed 51 Dogpaw 51 Cieneguita 51 mineralized outcrops 51 anomalism 51 Akie zinc lead 51 sulphide deposit 51 approximately #km# [002] 51 Hurdman Property 51 bulk tonnage mineralization 51 penetrating geophysical 51 Liwan #-#-# 51 Bakouma 51 RAB drilling 51 Halfmile Lake 51 Reconnaissance mapping 51 amplitude anomaly 51 Pilanesberg Project 51 El Quevar project 51 Cata Clavo 51 scoping prefeasibility 51 Induced Polarisation 51 REN Property 51 Burro Creek 51 Lotshi Block 51 breccia pipe targets 51 induced polarization geophysical surveys 51 Brucejack Project 51 Quesnel Trough 51 MegaTEM II 51 Parkin Offset 51 Drill hole SADD# 51 geochem 51 kilometer airborne geophysical 51 Cachinal 51 SHEETS CWLXF announces 51 radiometric survey 51 Tocantinzinho 51 Costayaco field 51 Eagle Nest nickel 51 Burnakura 51 McFaulds 51 reconnaissance mapping 51 Hounde 51 Purepoint 51 Esaase Gold 51 #,# km2 Hounde 51 Skygold Wildrose 51 Lang Exploratory Drilling 51 corehole 51 Torlon Hill 51 Kalemela 51 uraniferous 51 Induced Polarisation IP 51 inferred resource calculation 51 Aircore drilling 51 Langmuir Project located 51 Barre de Fer 51 Pigiput 51 #-# compliant resource 51 Campamento Deposit 51 supergene mineralization 51 Oshiveli 51 geophysical geological 51 Workman Bench 51 kimberlitic 51 magnetite ilmenite mineralization 51 magmatic nickel copper 51 KAT Exploration 51 gossan 51 Lemarchant 51 Rattlesnake Hills 51 Malmbjerg 51 petrography 51 resolution aeromagnetic 51 Barkerville Mountain 51 preliminary metallurgical testwork 51 Malmbjerg molybdenum project 51 Nakru 51 scintillometer survey 51 Amalgamated Kirkland 51 MinQuest 51 aircore drill 51 Beardmore Geraldton greenstone belt 51 Piedras Verdes Mill 51 leachability 51 Toroparu deposit 51 open pitable 51 Ming Mine 51 Youanmi 51 Garrcon Zone 51 Pantanillo 51 Pinaya 51 AeroTEM survey 51 Toodoggone 51 Las Calandrias 51 Proposed Amalgamation 51 Molybdenum Tungsten 51 Qilaq 51 Au Cu Ag 51 Reyna de Oro 51 Matala deposit 51 eluvial 51 Guayuyaco Block 51 geotechnical drilling 51 Bonanza Ledge 51 mafic ultramafic intrusions 51 copper molybdenum mineralization 51 Schaft Creek 51 VTEM 51 Kena Property 51 molybdenite mineralization 51 potentially bulk mineable 51 Banded Iron Formation 51 Trenching 51 Heruga 50 geological mapping geochemistry 50 Penészlek 50 Alaskite 50 bearing stratigraphy 50 Pinaya gold 50 airborne EM survey 50 aeromagnetic surveys 50 induced polarization 50 East Acma 50 TriOil 50 regolith mapping 50 talus fines 50 Komana West 50 airborne geophysical 50 Lithium Potash 50 porphyry skarn 50 AeroTEM II 50 Bokhtar PSC area 50 Belleterre Mine property 50 radiometric surveying 50 LaRonde mine 50 electromagnetic surveying 50 EVx 50 Bellechasse Chaudiere 50 Frankfield Project 50 Cotabambas 50 porphyry Cu 50 meter spacings 50 Vanadium Titanium Iron 50 stream sediment geochemistry 50 Simkar 50 Calibre Mining 50 Souart 50 geophysical surveys