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(Click for frequent words.) 76 magnetic geophysical 75 Induced Polarisation 75 Induced polarization 75 airborne radiometric 74 magnetic electromagnetic 74 3D induced polarization 73 airborne magnetics 72 airborne EM 72 radiometric magnetic 72 airborne radiometric magnetic 72 IP Resistivity 72 IP geophysical 72 airborne electro magnetic 72 3D Induced Polarization 72 Induced Polarization 72 airborne electromagnetic EM 71 Induced Polarisation IP 71 kilometer airborne magnetic 71 TDEM 70 airborne VTEM 70 pole dipole 70 induced polarization geophysical 70 airborne electromagnetic 70 resistivity surveys 70 ground magnetics 70 Megatem 70 IP Induced Polarization 70 aero magnetic 70 induced polarization survey 70 IP resistivity survey 70 induced polarization IP 70 electro magnetic EM 69 Aeromagnetic 69 induced polarization 69 airborne magnetometer 69 magnetic geophysical surveys 69 magnetometer survey 69 dipole dipole IP 69 aeromagnetic survey 69 induced polarization resistivity 69 gradient array 69 resolution airborne magnetic 69 IP geophysics 69 GEOTEM 69 radiometric airborne 69 Geotech VTEM 69 geochem 69 stream sediment geochemical 69 electromagnetic geophysical survey 69 soil geochemical survey 69 InfiniTEM survey 69 airborne magnetic 68 radiometric surveys 68 airborne radiometric survey 68 magnetic radiometric 68 detailed airborne magnetic 68 magnetometric 68 Induced Polarization geophysical 68 ZTEM survey 68 airborne geophysics 68 radiometrics 68 stream sediment geochemistry 68 Induced Polarization IP 68 VTEM airborne geophysical 68 InfiniTEM 68 induced polarization anomalies 68 VTEM geophysical 68 EM geophysical survey 68 VTEM surveys 68 geological reconnaissance 68 soil geochemical sampling 68 Pulse EM 67 airborne magnetic electromagnetic 67 borehole geophysical 67 auger drill 67 AeroTEM III 67 Airborne EM 67 IP Resistivity survey 67 penetrating electromagnetic 67 electromagnetic EM survey 67 Fugro airborne 67 outcrop sampling 67 soil geochemical surveys 67 HLEM 67 lithogeochemical 67 airborne electromagnetic survey 67 IP induced polarization 67 magnetometer surveys 67 radiometric survey 66 MegaTEM 66 transient electromagnetic 66 coincident geophysical 66 IP resistivity 66 CSAMT 66 Detailed mapping 66 airborne EM survey 66 gamma ray spectrometry 66 VTEM airborne 66 MEGATEM II 66 detailed aeromagnetic survey 66 DEEPEM 66 Induced Polarization Resistivity 66 airborne magnetic anomalies 66 UTEM 66 geochemical soil 66 MMI anomalies 66 Detailed geological mapping 66 Time Domain Electromagnetic 66 Abitibi Geophysics 66 detailed geologic mapping 66 helicopter borne VTEM 66 dipole dipole 66 anomaly coincident 66 airborne geophysical anomalies 66 ZTEM 66 IP geophysical surveys 66 airborne geophysical 65 Induced Potential 65 geochemical surveys 65 XDS VLF EM 65 induced polarization surveys 65 aeromagnetic 65 Ground geophysics 65 Horizontal Loop Electromagnetic 65 VTEM survey 65 Geochemical sampling 65 TDEM survey 65 VTEM airborne survey 65 Soil geochemical 65 mapping prospecting 65 MMI soil geochemical 65 km induced polarization 65 magnetic geophysical anomaly 65 Geophysical surveys 65 downhole geophysical 65 airborne electromagnetic AEM 65 electromagnetic geophysical 65 airborne radiometrics 65 geophysical geochemical 65 geophysical survey 65 VTEM 65 aeromagnetic surveys 65 geochemical surveying 65 aeromagnetics 64 airborne VTEM survey 64 gravity geophysical surveys 64 aircore 64 BLEG 64 geophysical interpretation 64 Quantec Geoscience 64 Sicera Sur 64 geophysical conductors 64 aeromagnetic data 64 Radiometric 64 scintillometer survey 64 Mag EM 64 NSAMT 64 MEGATEM 64 downhole EM 64 scintillometer surveys 64 Geological mapping 64 resistivity geophysical 64 penetrating geophysical 64 geophysics prospecting 64 geophysical induced polarization 64 magnetometry 64 geologically mapped 64 induced polarization geophysics 64 AeroTEM 64 MMI geochemistry 64 meter spacing 64 Zafranal Main Zone 64 heliborne magnetic 63 #km 2D seismic 63 airborne magnetic survey 63 VTEM anomalies 63 radiometric surveying 63 airborne geophysical survey 63 MEGATEM survey 63 termite mound sampling 63 airborne geophysical surveying 63 mapping geochemistry 63 electromagnetic surveys 63 surface trenching 63 Kasala Main Zone 63 airborne geophysical surveys 63 ground magnetometer surveys 63 geochemical geophysical 63 Quantec Titan 63 MMI geochemical 63 approximately #km# [002] 63 geophysical surveys 63 prospective stratigraphy 63 soil geochemical 63 reconnaissance mapping 63 BHEM 63 mineralized drill intercepts 63 gradiometer 63 electromagnetic conductors 63 electromagnetic EM 63 coincident magnetic 63 conductive zones 63 IP geophysical surveying 63 mineralized outcrops 63 coincident chargeability 63 Airborne Magnetic 63 anomalies coincident 63 soil geochemistry 63 kilometer 2D seismic 63 induced polarization geophysical surveys 62 meter spacings 62 Calandria Sur 62 IP geophysical anomalies 62 surface geochemistry 62 mapping geochemical sampling 62 EM conductors 62 palaeochannel 62 adit sampling 62 MMI soil geochemistry 62 geological mapping geochemical sampling 62 Higo Blanco 62 Soil sampling 62 Pasfield Lake 62 surface geochemical sampling 62 Abitibi Geophysique 62 Electromagnetic EM 62 km 2D seismic 62 Cerro Amarillo 62 ground geophysics 62 La Lechoza Prospect 62 sq km 3D seismic 62 airborne electromagnetic anomalies 62 Shirotnaia zone 62 linecutting 62 outcropping mineralization 62 VTEM airborne surveys 62 #km# [002] 62 resolution aeromagnetic 62 magnetic VLF EM 62 anomalous radiometric 62 EM conductor 62 gravity gradient 62 airborne radiometric anomalies 62 electromagnetic EM geophysical 62 aircore drilling 62 reconnaissance prospecting 62 airborne magnetometer survey 62 downhole geophysics 62 lake sediment geochemical 62 Fugro Airborne 62 magnetic gradiometer 62 Induced Polarization anomaly 61 gold anomalism 61 EM anomalies 61 approximately #km# [001] 61 Systematic sampling 61 Ruhuhu 61 Rovina porphyry 61 detailed airborne geophysical 61 3D electromagnetic EM 61 geochemical 61 VTEM conductors 61 Quantec 61 ground radiometric surveys 61 Kaniago 61 prospecting mapping 61 Itilima 61 kilometer Induced Polarization 61 Induced polarization IP 61 airborne magnetic anomaly 61 Yanfolila 61 Las Boquillas 61 geophysical 61 radiometric anomalies 61 auger drilling 61 AeroTEM survey 61 geophysical conductor 61 resistivity surveying 61 Simuku 61 CSAMT survey 61 geomechanical 61 borehole electromagnetic 61 Nyota Prospect 61 infill sampling 61 Geologic mapping 61 Gradient Array 61 Anuri kimberlite 61 VLF surveys 61 geological mapping trenching 61 airborne anomalies 61 HRAM 61 Highbank Lake 61 km2 3D seismic 61 Mt Penck 61 Etango deposit 61 induced polarization anomaly 61 sulphide mineralized 61 uranium anomalism 61 geological mapping prospecting 61 Cumpie Hill 61 auger geochemical 61 Soil geochemistry 61 resistivity anomalies 61 IP chargeability anomaly 61 inversion modeling 61 seismic refraction 61 Calandria Norte 61 2D seismic survey 61 anomalous geochemical 61 copper molybdenum mineralization 61 surface geochemical anomalies 61 radiometric geophysical survey 61 prospecting trenching 61 CSAMT surveys 61 borehole geophysics 60 Sian Praso 60 surface outcrops 60 Surface sampling 60 IP chargeability anomalies 60 Radiometrics 60 Klaza Zone 60 magnetometric survey 60 anomalous chargeability 60 Completes Airborne 60 AeroTEM II 60 ground truthing 60 geochemical sampling 60 airborne gravity gradiometer 60 Accha deposit 60 borehole EM 60 Thor Trend 60 VLF EM survey 60 ground radiometric surveying 60 Magnetometer 60 Aircore drilling 60 electromagnetic EM conductors 60 Reverse Circulation drilling 60 Mankarga 5 60 Geophysical Survey 60 electromagnetic anomalies 60 previously undrilled 60 geology geochemistry 60 termite mound geochemical sampling 60 Quantec Geoscience Limited 60 Soquem 60 Mobile Metal Ions 60 stream sediment 60 CSAMT MT 60 Geotech Ltd. 60 Bawone 60 Zone Bambadinka 60 resolution aeromagnetic survey 60 anomalism 60 VTEM Versatile Time 60 VTEM targets 60 VLF EM 60 Luhwaika 60 stockwork vein 60 magnetite ilmenite mineralization 60 Hibou dyke 60 geophysical datasets 60 anomalous soil geochemistry 60 airborne radiometric surveys 60 petrographic studies 60 trenching sampling 60 EM geophysical 60 PdA Extension 60 prospecting geological mapping 60 spodumene bearing 60 Fayolle property 60 Tortigny deposit 60 glacial overburden 60 Cobrecon 60 gravity anomaly 60 aircore drill 60 geologic mapping 60 Roughrider East 60 enzyme leach 60 electromagnetic surveying 60 gravity gradiometry 60 magnetometer surveying 60 ground geophysical surveying 60 Taricori 60 Geotech Ltd 59 Airborne geophysics 59 CSAMT geophysical survey 59 Takom 59 RC drillholes 59 EW trending 59 Renard cluster 59 ground geophysical surveys 59 electromagnetic conductor 59 anomalous Au 59 Pampacancha 59 borehole Pulse 59 STeP ® 59 quartz sulphide vein 59 soil geochemistry anomaly 59 Fugro Ground 59 geophysically 59 IP Resistivity surveys 59 Itigi Manyoni Uranium 59 geological mapping geochemistry 59 trench sampling 59 sampling trenching 59 Maybrun 59 intersected mineralized 59 Siribaya mega structure 59 magneto telluric 59 VTEM anomaly 59 mapping trenching 59 auriferous zones 59 Igunda 59 magnetic anomalies 59 Ntaka Hill 59 detailed geological mapping 59 mineralized skarn 59 hematite mineralization 59 VTEM conductor 59 mineralized occurrences 59 Oshiveli 59 Airborne Radiometric 59 Las Carolinas 59 aerially extensive 59 petrological 59 Rare Earth Element REE 59 epithermal gold vein 59 Titan# 59 ultramafic intrusives 59 MR# #C 59 Kobada 59 El Compas 59 Induced Polarization surveys 59 VTEM airborne magnetic 59 ANIT 59 Lone Pine Property 59 Gradiometer 59 geophysical surveying 59 dyke swarms 59 mechanical trenching 59 nickel laterite mineralization 59 Copaquire 59 gold copper porphyry 59 Uskawanis 59 Ground truthing 59 Geophysical surveying 59 Butia prospect 59 mineralized zones intersected 59 Sicera Norte 59 bedrock outcrops 59 radiometric 59 2D Seismic 59 geochemically anomalous 59 gold geochemical anomalies 59 Fayolle Project 59 magnetic susceptibility 59 airborne magnetic surveys 59 disseminated sulphide mineralization 59 excavator trenches 59 Carotare 59 sulfide bearing 59 Marban deposit 59 outcrop exposures 59 Colnic 59 Kangaluwi 59 sampling geological mapping 59 anomalous molybdenum values 59 radiometric anomaly 59 excavator trenching 59 anomalous geochemistry 59 Ikungu 59 RAB drilling 59 Miwah Gold Zone 59 multielement 59 Kanosak 59 GEOTEM survey 59 massive sulphide horizon 59 Paymaster Canyon 59 electromagnetic anomaly 59 IOCG targets 59 litho geochemical 58 Tantamaco 58 conductive anomalies 58 Hushamu 58 seismic reprocessing 58 NQ diamond 58 Curipamba 58 Porphyry Creek 58 auger sampling 58 mineralization encountered 58 El Cometa 58 northerly trending 58 kilometer airborne geophysical 58 Despoblados 58 anomalous radon 58 Fofina 58 NAD# [002] 58 gossans 58 Geotech Airborne Limited 58 VTEM geophysical survey 58 mafic intrusions 58 mineralized breccia 58 Kitongo 58 Tumipampa property 58 Ground geophysical surveys 58 outcropping veins 58 Au Cu mineralization 58 gravity anomalies 58 epithermal gold targets 58 Carheil 58 MegaTEM II 58 EM anomaly 58 holes MM# 58 cobalt mineralization 58 palaeochannels 58 Apella Iron 58 Tatajuba 58 Alaskite 58 Alaskite Zone 58 Ccaccapaqui 58 Magusi deposit 58 Reconnaissance prospecting 58 Radiometric surveys 58 soil sampling 58 Resistivity 58 magnetite mineralization 58 IP chargeability 58 Norlartic 58 extensional drilling 58 radiometry 58 sulphide mineralization intersected 58 Bronson Slope deposit 58 Dubenski property 58 Tulkubash 58 bulldozer trenching 58 Nkran 58 Haquira East 58 Amun Deeps 58 Juanicipio Vein 58 vein outcrops 58 molybdenite mineralization 58 Nemegosenda 58 geophysics trenching 58 mineralized intrusive 58 copper porphyry mineralization 58 contracted Geotech Ltd. 58 westerly dipping 58 disseminated magnetite 58 Pitaloza 58 kimberlite dyke 58 silica pyrite 58 dike swarm 58 stepout drilling 58 anomalous soil geochemical 58 Mankranho concession 58 poly metallic mineralization 58 coincident geochemical 58 Chargeability 58 epithermal gold mineralization 58 geophysical anomaly 58 Yaxtche deposit 58 Jahodna 58 ultramafic rock 58 manganese mineralization 58 Cerro Moly 58 Fugro Airborne Surveys 58 mineralized outcrop 58 silicic 58 #:# scale 58 Nakru 58 Preliminary metallurgical testwork 58 backhoe trenching 58 Holes EC# 58 Airborne geophysical surveys 58 systematic geochemical sampling 58 Reconnaissance mapping 58 Airborne Survey 58 northwesterly trending 58 Goldpines North 58 talus fines 58 regolith mapping 58 #km# [001] 58 outcropping quartz veins 58 geochem anomalies 58 anomalous zones 58 Emba Derho deposit 58 petrographic 58 UTEM survey 58 Cuiu Cuiu 58 Z TEM 58 intersected kimberlite 58 Preliminary metallurgical 58 Cerro de Oro 58 airborne EM surveys 58 vuggy silica alteration 58 Rio Zarza 58 VLF EM surveys 58 Encino Vein 58 Chimiwungo 58 Enzyme Leach 58 Drill hole SADD# 57 ultramafic unit 57 electromagnetic geophysical surveys 57 Reverse Circulation 57 uraniferous 57 soil geochemical anomaly 57 Ni Cu PGM mineralization 57 NN Zone 57 Bokan Dotson Ridge 57 chargeability anomaly 57 stratigraphically below 57 Detailed geologic mapping 57 conductive anomaly 57 Kay Tanda 57 anomalous mineralization 57 antimony mineralization 57 Chimbala prospect 57 magnetotelluric 57 trenching mapping 57 Emba Derho 57 geophysical geological 57 La Yegua 57 Farellon 57 Serrote Deposit 57 calcrete sampling 57 REE bearing 57 Radiometric Survey 57 mechanized trenching 57 penetrating induced polarization 57 Bajo Negro 57 soil geochemical anomalies 57 trending shear zone 57 hole CJV 57 Terraquest 57 Culebrilla 57 preliminary metallurgical testwork 57 Black Thor chromite 57 Gramalote 57 Adumbi Prospect 57 potash mineralization 57 leachable copper 57 Pinwheel Zone 57 geotechnical drilling 57 Crone Geophysics 57 radon anomalies 57 vanadium mineralization 57 geological mapping geochemical 57 Quantec Geoscience Ltd. 57 REE showings 57 volcano sedimentary belt 57 Hosco deposit 57 Central Mineralised Zone 57 advanced argillic alteration 57 altered andesitic 57 spectrometric 57 Schaft Creek deposit 57 tungsten mineralization 57 polymetallic mineralized 57 Klappibacken 57 Harena 57 alluvial flats 57 metallogenic 57 Hambok 57 Main Homestake 57 High Resolution Aeromagnetic 57 resistivity anomaly 57 previously unsampled 57 IOCG mineralization 57 molybdenum porphyry 57 hyperspectral 57 IP geophysical anomaly 57 tenement E#/# 57 geochemical anomalies 57 Pampa Sur 57 DUB# 57 Cu Au mineralization 57 Discovery Outcrop 57 corehole 57 REE mineralized 57 silica breccia 57 gamma spectrometry 57 magnetic geophysical anomalies 57 AHGZ 57 Pucamayo 57 Tagpura 57 bathymetric surveys 57 Airborne Geophysical 57 geological geophysical 57 Cretaceous limestone 57 Yarumalito 57 SGH anomalies 57 Gongondy 57 Las Calandrias 57 STeP R 57 Ciresata 57 Candelones 57 Cu Mo Au 57 magnetite alteration 57 airborne EM anomalies 57 coincident gravity 57 BHEM surveys 57 #km# [003] 57 iron carbonate alteration 57 aircore holes 57 EM geophysical surveys 57 Anomalous uranium 57 layered ultramafic 57 gossanous 57 Bedard Dyke 57 Airborne Geophysical Survey 57 Ida Dome 57 Bororo Nuevo 57 Lunguya 57 sparse outcrop 57 Corachapi 57 intersected mineralized zones 57 pegmatite dyke 57 bulk tonnage mineralization 57 Santa Eduwiges mine 57 Cambrian Ordovician 57 Kalana Mine 57 Zonge 57 mineralized diorite 57 hydro geological 57 La Mascota zone 57 Haquira project 57 Mongora 57 massive sulphide lens 57 Curipamba Project 57 Roughrider uranium deposit 57 Langmuir Property 57 ultramafic sequence 57 induced polarization IP chargeability 56 garnet skarn 56 diamond drillholes 56 Mineralized zones 56 gold mineralization intersected 56 subhorizontal 56 Asankrangwa Holdings 56 Banded Iron Formation 56 copper mineralization intersected 56 radiometric readings 56 MPD# 56 infill drillholes 56 Klaza property 56 Dubenski Shaft Zone 56 DDH CF# 56 ODAE 56 Gravity Survey 56 Landsat imagery 56 Magnetic susceptibility 56 outcropping mineralized 56 Triassic reservoirs 56 sub Athabasca unconformity 56 Laterite 56 Zuun Mod deposit 56 Droujba kimberlite pipe 56 untested geophysical 56 gamma ray logs 56 DDH# [001] 56 Heruga Deposit 56 Los Helados 56 aeromagnetic anomaly 56 volcanic stratigraphy 56 copper molybdenum gold 56 gold porphyry mineralization 56 graphitic sediments 56 SOMINE property 56 chargeability highs 56 Artavasdes 56 holes #RB# 56 anomalous uranium 56 Bejucosa 56 mineralized quartz veins 56 Scintillometer 56 Espuelas Canyon 56 artisanal workings 56 Malrok 56 ultramafic sill 56 diatreme breccias 56 Gwenivere vein 56 aeromagnetic anomalies 56 soil sampling trenching 56 PONTAX property 56 Guadalupe Manto 56 paleochannels 56 arcuate 56 Mikwam 56 Copaquire copper molybdenum 56 kimberlite occurrences 56 SJ Geophysics 56 mineralized alteration 56 alaskite 56 Sissingue 56 #m@#.#g t gold [001] 56 Teapot Granite 56 disseminated sulphide 56 Zuun Mod molybdenum 56 #:#,# scale [002] 56 CUMO 56 ultrabasic 56 gabbro dyke 56 Ebouri discovery 56 Okohongo target 56 Ayelen Vein 56 Doolgunna 56 Uzboy 56 granodiorite porphyry 56 Timmins Porcupine West 56 Adi Nefas 56 resistivity 56 Chalcopyrite 56 #km# [004] 56 Gaoua copper gold 56 Ronguen 56 Gjegjan 56 niobium mineralization 56 Kihitian 56 IOCGU 56 Shaft Zone 56 Jumping Josephine 56 Kierens 56 Nithi Mountain 56 Asankrangwa Gold Belt 56 #TR# 56 strikelength 56 Lugushwa 56 3D Seismic 56 Dogpaw 56 geological mapping sampling 56 Induced Polarization IP chargeability 56 dolomitic 56 Mkuju 56 geological geochemical 56 Breccia Zone 56 quartz vein stockwork 56 FDN deposit 56 Canariaco Norte 56 Dogpaw Lake 56 gamma ray spectrometer 56 South Minita 56 chargeability anomalies 56 Airborne Geophysical Surveys 56 Huaixi 56 coincident anomalous 56 Mistassini 56 epithermal vein 56 alluvial gravels 56 Hinge Zone 56 Sipopok 56 stringer mineralization 56 Vargbacken 56 DDH #B 56 Hosco pit 56 bearing sulphide mineralization 56 Norra Karr 56 Colquipucro 56 extensive artisanal workings 56 Darnley Bay gravity 56 F2 Zone 56 unoxidized 56 peridotites 56 Komahun 56 Los Candelones 56 Enzyme Leach soil 56 Lipena 56 Sulphurets deposit 56 Fayolle deposit 56 Hondo Valle 56 crestal 56 WNW trending 56 Sinchao Property 56 Bellechasse Timmins 56 Aricheng West 56 Rusk Zone 56 inferred resource estimate 56 Surface trenching 56 outcrop samples 56 mineralized shear zone 56 Los Zorros 56 structural lineaments 56 Kavola East 56 Nymagee Copper Mine 56 Kinojevis property 56 Sulfato 56 Korkan target 56 Kena Property 56 La Bodega zone 56 Terraquest Ltd. 56 geochemical assay 56 basaltic rocks 56 geological geochemical geophysical 56 Sulphide Shear Zone 56 Sorowar 56 felsic intrusive rocks 56 #WR# 56 Guayabito 56 Fayolle Deposit 56 Naciente Quebrada Pedregosa 56 sericitic 56 anomalous REE 56 infill holes 56 Delineation drilling 55 East Kivu Graben 55 ENE trending 55 reconnaissance geological mapping 55 Goldcliff 55 Guayabales 55 shallowly dipping 55 geological mapping 55 Pinaya 55 reprocessed 2D seismic 55 drillcore 55 saprolitic 55 soil geochemistry surveys 55 Debarwa 55 Suuri zone 55 geological modeling 55 drill hole NAD# 55 WDC# 55 Dienemera 55 NNE trending 55 Guajes West 55 Junnagunna 55 geologic geochemical 55 Experiment NanTroSEIZE 55 Mothae pipe 55 Mankarga 55 delineation drill 55 andesitic rocks 55 Kinyambwiga gold 55 McFauld West 55 auriferous quartz 55 vein stockwork 55 calcrete 55 km2 55 Quebrada Pedregosa 55 Lupoto 55 kimberlite breccia 55 advanced argillic 55 stockwork mineralization 55 Allammaq 55 Lower Acacus Formation 55 angular boulders 55 VTEM Survey 55 Handeni Gold Trend 55 JVX Ltd. 55 BIF outcrops 55 supergene zone 55 coincident induced polarization 55 Shivee West 55 Regcourt 55 licenses PL# 55 airborne LIDAR 55 McPhar 55 rockchip 55 mineralized breccias 55 Aurizona Main 55 sheeted quartz veinlets 55 Chiis 55 pyritized 55 Atikwa Lake property 55 Batero Quinchia 55 Sunbeam Pettigrew property 55 Paso Yobai 55 Barite Hill 55 Nueva Concepcion 55 La Mascota 55 Marge Vein 55 Leduc Formation 55 supergene mineralization 55 2D seismic surveys 55 Seismic surveys 55 hydrothermally altered 55 Basal Zone mineralization 55 Paititi San Francisco 55 Vaquillas 55 Pidgeon Molybdenum Deposit 55 Tan Chaffao East 55 4D seismic 55 ground geophysics trenching 55 mineralized intercept 55 geophysical surveys trenching 55 Quartz Breccia Zone 55 resource delineation 55 Bir Moghrein 55 Sugarloaf Peak 55 Toro Gregorio 55 Rojo Grande 55 eluvial deposits 55 Bepkong 55 Haquira Project 55 Emba Derho Adi Nefas 55 inferred resource calculation 55 mafic intrusives 55 silica breccias 55 Borosi 55 Sudbury Breccia 55 LURC#