Related by context. All words. (Click for frequent words.) 71 IP geophysical surveys 69 detailed geologic mapping 69 geophysical geochemical 68 mapping prospecting 68 EM geophysical survey 67 induced polarization surveys 67 sampling trenching 67 induced polarization 67 prospecting geological mapping 67 prospecting mapping 67 geophysics prospecting 67 geological mapping prospecting 67 Induced Polarisation IP 67 radiometric surveys 67 induced polarization geophysics 67 IP Resistivity 67 aeromagnetic survey 66 Detailed geological mapping 66 geological mapping trenching 66 InfiniTEM survey 66 induced polarization survey 66 detailed geological mapping 66 ground radiometric surveying 66 auger drill 66 airborne geophysical surveying 66 ground magnetics 66 airborne magnetics 66 Induced Polarization 66 soil geochemical survey 66 IP Induced Polarization 66 airborne radiometric 66 airborne radiometric survey 66 magnetic electromagnetic 65 resistivity surveys 65 geochemical surveying 65 trenching sampling 65 airborne radiometric magnetic 65 Induced polarization 65 geological reconnaissance 65 soil geochemical surveys 65 induced polarization geophysical 65 Induced Polarisation 65 linecutting 65 geochemical geophysical 65 infill sampling 65 gravity geophysical surveys 65 geophysical interpretation 65 IP Resistivity survey 65 Ground geophysical surveys 65 3D induced polarization 65 prospecting trenching 65 surface geochemical sampling 65 IP induced polarization 64 detailed aeromagnetic survey 64 Geophysical surveys 64 ground radiometric surveys 64 outcrop sampling 64 backhoe trenching 64 petrographic studies 64 IP Resistivity surveys 64 geological geochemical 64 radiometrics 64 Airborne geophysics 64 aircore 64 soil sampling trenching 64 Geophysical Survey 64 mapping trenching 64 magnetometric 64 detailed airborne magnetic 64 IP geophysical 64 soil geochemical sampling 64 VTEM surveys 64 IP geophysics 64 magnetometer survey 64 geophysics trenching 64 mapping geochemistry 63 magnetometry 63 downhole geophysical 63 Anuri kimberlite 63 Detailed mapping 63 scintillometer survey 63 airborne EM 63 airborne magnetometer 63 excavator trenching 63 airborne geophysics 63 mechanical trenching 63 Megatem 63 radiometric prospecting 63 electromagnetic surveys 63 geological mapping geochemistry 63 airborne magnetic survey 63 mapping geochemical sampling 63 borehole geophysics 63 VTEM airborne survey 63 Horizontal Loop Electromagnetic 63 Systematic sampling 63 3D Induced Polarization 63 auger drilling 63 coincident geophysical 63 geophysical induced polarization 63 lithogeochemical 62 petrological 62 HLEM 62 airborne magnetic radiometric 62 MMI soil geochemical 62 magnetic geophysical surveys 62 termite mound sampling 62 radiometric surveying 62 reconnaissance mapping 62 dipole dipole IP 62 airborne radiometric surveys 62 magnetic geophysical 62 Geologic mapping 62 airborne electromagnetic survey 62 airborne electro magnetic 62 reconnaissance prospecting 62 aeromagnetics 62 VTEM geophysical 62 VTEM airborne 62 overburden sampling 62 Mobile Metal Ions 62 magnetometer surveys 62 geologic mapping 62 CSAMT 61 electromagnetic geophysical 61 surface trenching 61 VLF EM survey 61 reconnaissance geological mapping 61 trenching mapping 61 Induced Polarization IP 61 geochemical surveys 61 electromagnetic geophysical survey 61 borehole geophysical 61 Airborne Geophysical Survey 61 scintillometer surveys 61 resource delineation 61 penetrating electromagnetic 61 Calandria Sur 61 geochemical soil 61 airborne geophysical 61 ground geophysics trenching 61 TDEM 61 Geological mapping 61 ground geophysics 61 Tortigny deposit 61 geophysical surveys trenching 61 geologic geophysical 61 geophysical surveying 61 Reverse Circulation 61 Induced Potential 61 Hushamu 61 geochemical sampling 61 Itilima 61 enzyme leach 61 RAB drilling 61 Geochemical sampling 61 Mouchalagane 61 penetrating geophysical 61 drillcore 61 auger sampling 61 seismic reprocessing 60 ground geophysical surveying 60 AeroTEM III 60 geophysical surveys 60 electromagnetic geophysical surveys 60 MegaTEM 60 electro magnetic EM 60 geological mapping 60 Cordero Porphyry 60 gradient array 60 IOCG targets 60 PdA Extension 60 IP resistivity survey 60 CSAMT surveys 60 Ground geophysics 60 UTEM 60 ground truthing 60 Sian Praso 60 Airborne EM 60 trench sampling 60 induced polarization IP 60 Fugro airborne 60 Dombraly 60 Geophysical surveying 60 mechanized trenching 60 ZTEM survey 60 ground magnetometer surveys 60 airborne magnetic 60 borehole EM 60 geophysical survey 60 CSAMT geophysical survey 60 geophysical interpretations 60 induced polarization resistivity 60 geological geochemical geophysical 60 airborne electromagnetic 60 airborne magnetometer survey 60 magnetic radiometric 60 pole dipole 59 electromagnetic surveying 59 Roughrider East 59 IP resistivity 59 aircore drilling 59 airborne VTEM survey 59 regolith mapping 59 West Pequop 59 stream sediment geochemical 59 Magusi deposit 59 inversion modeling 59 Highbank Lake 59 VTEM survey 59 geologic modeling 59 Zuun Mod deposit 59 Sicera Sur 59 auger geochemical 59 geology geochemistry 59 lithogeochemical sampling 59 Electromagnetic EM 59 Kaniago 59 Solotomo 59 ground geophysical surveys 59 Somituri Project 59 transient electromagnetic 59 Avion Tabakoto 59 Sicera Norte 59 geological mapping geochemical 59 Gradient Array 59 airborne VTEM 59 radiometric survey 59 subsurface geology 59 stepout drilling 59 Soil sampling 59 Enzyme Leach 59 Majuba Hill 59 talus fines 59 MEGATEM survey 59 Puella Bay 59 VLF EM surveys 59 geologic geochemical 59 downhole geophysics 59 Sugarloaf Peak 59 ODM# Zone 59 airborne radiometrics 59 airborne geophysical surveys 59 airborne geophysical anomalies 59 excavator trenches 59 NQ diamond 59 geophysics geochemistry 59 radiometric magnetic 59 radiometric airborne 59 Ruhuhu 59 outcropping quartz veins 59 gamma ray spectrometry 59 Breccia Ridge 59 aero magnetic 59 Induced Polarization surveys 59 Bejucosa 59 Fossey Zone 59 anomalous radiometric 59 Induced Polarization anomaly 59 Gravity Survey 58 resource delineation drilling 58 geochem 58 REE bearing 58 geophysical 58 Cerro Las Minitas 58 electromagnetic EM survey 58 Quantec Geoscience 58 Goldpines North 58 Jumping Josephine 58 Guajes West 58 #km 2D seismic 58 Scadding Gold 58 Mistassini property 58 Yanfolila 58 approximately #km# [002] 58 Big Daddy Chromite 58 Langmuir Property 58 petrographic 58 calcrete sampling 58 soil geochemistry 58 airborne magnetic anomalies 58 Induced Polarization Survey 58 Silica Ridge 58 VTEM geophysical survey 58 stream sediment geochemistry 58 aeromagnetic 58 geological geophysical 58 downhole EM 58 Alaskite 58 litho geochemical 58 MMI geochemical 58 Sipopok 58 Aguila Cu Mo 58 Fofina 58 lithologic 58 gold copper porphyry 58 mineralized zones intersected 58 Isambara 58 flotation testwork 58 Metallurgical Testing 58 Imwauna Project 58 extensional drilling 58 surface geochemistry 58 Drill Hole Locations 58 Adumbi Prospect 58 Klaza property 58 Goldstorm 58 Nickel Offsets 58 induced polarization geophysical surveys 58 geological mapping sampling 58 Cu Au mineralization 58 sampling geological mapping 58 outcrop exposures 58 drilling coring 58 Pucamayo 58 kilometer 2D seismic 58 geological geotechnical 58 VLF surveys 58 Airborne Survey 58 drillhole database 58 Las Boquillas 58 Culebrilla 58 stream sediment 58 dyke swarms 58 basal till 58 outcropping mineralization 58 Nyota Prospect 58 airborne EM survey 58 Nemegosenda 58 Anchaca 58 Dogpaw Lake 58 surface outcrops 58 DEEPEM 58 mineralized skarn 58 Despoblados 58 Hotish 57 Norlartic 57 geophysical prospecting 57 mineralogical studies 57 underground longwall mining 57 MR# #C 57 Reverse Circulation drilling 57 NQ diamond drill 57 Epithermal 57 anomalous geochemical 57 ZTEM 57 Kahuna kimberlite 57 Definition Drilling 57 aircore holes 57 km 2D seismic 57 rockchip 57 CSAMT survey 57 resistivity geophysical 57 Curipamba Project 57 MMI geochemistry 57 Gradient Geophysics 57 multielement 57 geochemical 57 Lamaque property 57 mineralized outcrops 57 Dubenski property 57 meter spacing 57 airborne geophysical survey 57 Onaman 57 Korkan target 57 Shivee West 57 Barkerville Mountain 57 Poste Lemoyne Extension 57 Delineation drilling 57 NE Wollaston 57 IP geophysical surveying 57 MEGATEM 57 MMI anomalies 57 structural stratigraphic 57 Airborne Geophysical 57 Itigi Manyoni Uranium 57 Klappibacken 57 geotechnical investigations 57 Santa Pancha 57 Higo Blanco 57 Quantec Titan 57 VTEM targets 57 MMI soil geochemistry 57 Ayelen Vein 57 Central Mineralised Zone 57 Uzboy 57 geochemical samples 57 seismic refraction 57 Tiriganiaq deposit 57 EM conductors 57 Banded Iron Formation 57 VTEM 57 Takom Zone 57 gravity gradiometry 57 VTEM anomalies 57 Manzako Prospect 57 antimony mineralization 57 resolution aeromagnetic survey 57 Colnic 57 Croxall Property 57 systematic geochemical sampling 57 Juanicipio Vein 57 Pulse EM 57 Lapaska property 57 spectrometric 57 Guayabales 57 geophysical conductors 57 Skukum 57 approximately #km# [001] 57 Excavator trenching 57 Los Zorros 57 Rare Earth Element REE 57 Z TEM 57 Reconnaissance prospecting 57 IP chargeability anomalies 57 Rio Zarza 57 Cerro de Oro 57 gradiometer 57 induced polarization anomalies 57 magnetometer surveying 57 coincident geochemical 57 Bedard Dyke 57 Landsat imagery 57 palaeochannel 57 Laterite 57 Geotech VTEM 57 Quebrada Verde 57 electromagnetic conductors 57 Induced Polarization Resistivity 57 Molybdenum Copper 57 Mothae pipe 57 petrophysics 57 Magnetometer 57 #:# scale 57 alaskites 57 Time Domain Electromagnetic 57 anomalies coincident 57 Radiometric 57 REE mineralized 57 Emba Derho Adi Nefas 57 Abel Knoll 57 Dadiangou 57 Las Bolas Los Hilos 57 kilometer airborne magnetic 57 Aircore drilling 57 VTEM Survey 57 Simuku 57 Vianey Mine 57 Zone Bambadinka 56 Chisna 56 Malartic Lakeshore property 56 EM geophysical 56 Radiometric surveys 56 Ni Cu PGM 56 NSAMT 56 Antimony Mountain 56 Langmuir Nickel Discovery 56 Lunguya 56 Southeast Pediment 56 meter spacings 56 adit sampling 56 rock geochemistry 56 resolution airborne magnetic 56 Lone Pine Property 56 geophysical datasets 56 electromagnetic EM conductors 56 Preliminary metallurgical 56 Cobrecon 56 element geochemical 56 disseminated sulphide mineralization 56 airborne electromagnetic EM 56 El Compas 56 Minas de Ameca 56 Emba Derho deposit 56 Mongora 56 Mullaquana 56 dipole dipole 56 Kay Tanda 56 soil sampling 56 Kierens 56 potentially open pittable 56 Sulphurets deposit 56 geologically mapped 56 Exploration Drilling 56 Kobada Mali 56 Douay Ouest 56 McFaulds Lake Property 56 Geochemical soil 56 carbonatite complex 56 Au Cu mineralization 56 Amaruk property 56 untested geophysical 56 Cannivan Gulch 56 Induced polarization IP 56 Clay Howells 56 bulldozer trenching 56 Puajanca Zone 56 Alaskite Zone 56 VTEM Airborne Survey 56 Diabase Peninsula uranium 56 AHGZ 56 Buganviles Block 56 Magistral Mine 56 Mobilizes Drill 56 Bokan Dotson Ridge 56 Las Bolas deposit 56 Mancos Shale 56 Encino Vein 56 www.magsilver.com 56 2D Seismic 56 proposed Bonanza Ledge 56 Pinguino property 56 Mankarga 5 56 Metallurgical testwork 56 delineation drill 56 scintillometers 56 XDS VLF EM 56 El Manto 56 diatremes 56 Asmara Project 56 geophysical geological 56 metallogenic 56 Bulk sampling 56 Eastmain Mine 56 tenement E#/# 56 El Cometa 56 alluvials 56 Aeromagnetic 56 gridding 56 Voigtberg 56 dike swarm 56 Assay Results From 56 Cockroach Dam 56 Sisson Brook 56 magnetic VLF EM 56 TDEM survey 56 hole LL# 56 Sudbury Breccia 56 mapping prospecting sampling 56 outcropping vein 56 Shyri 56 Ntaka Hill 56 Dubenski Gold 56 quartz tourmaline breccia 56 BHEM surveys 56 Eldor Carbonatite 56 conductive anomalies 56 geophysical modeling 56 Black Thor chromite 56 Etango deposit 56 soil geochemistry surveys 56 quartz pyrite veins 56 trenching pitting 56 geotechnical logging 56 mafic intrusions 56 SOMINE property 56 3D Seismic 56 airborne anomalies 56 Calvario Vein 56 Surface sampling 56 Gramalote property 56 Rottenstone 56 Drilling Confirms 56 El Creston 56 potentially bulk mineable 56 Nithi Mountain 56 Farellon 56 Extension Occurrence 56 Airborne Geophysical Surveys 56 Sugarloaf Peak Gold 56 radiometric anomalies 56 #km# [001] 56 Yarumalito 56 geochem anomalies 55 airborne radiometric anomalies 55 BCGold 55 Yaragua 55 aeromagnetic surveys 55 hole RC# 55 Cambrian Ordovician 55 borehole electromagnetic 55 NanTroSEIZE 55 Fayolle Property 55 LONG Bars 55 Bulk Sampling 55 Calandria Norte 55 Soil Sampling 55 detailed airborne geophysical 55 Las Carolinas 55 Abitibi Geophysique 55 conductive zones 55 Mkuju River Project 55 Bajo Negro 55 Bulk Tonnage 55 Dargues 55 aeromagnetic data 55 mineralogical characterization 55 Harrier Underground 55 HoneyBadger 55 Drill Hole Results 55 sheeted quartz 55 RC drill 55 Oshiveli 55 IP geophysical anomalies 55 Mapimi 55 radiometric geophysical survey 55 TerraX 55 alaskite hosted 55 Predilecta 55 XRF analysis 55 geological interpretation 55 Lipena 55 geological modeling 55 Hibou dyke 55 quartz sulphide vein 55 Longitudinal Section 55 Massive Sulphide VMS 55 palaeochannels 55 Mag EM 55 previously undrilled 55 petrography 55 Discovery Outcrop 55 CUMO 55 Yaramoko 55 stockwork vein 55 Crone Geophysics 55 geomechanical 55 previously unsampled 55 epithermal gold targets 55 portable XRF analyzer 55 Urumalqui 55 infill diamond 55 IOCGU 55 Carbonatite Complex 55 Cerro Moly 55 relogging 55 gamma logging 55 Adi Nefas 55 Athabasca unconformity 55 Geotechnical drilling 55 Wona SW Zone 55 Abitibi Geophysics 55 Skukum Creek 55 VTEM airborne surveys 55 ESO Uranium 55 Drill hole SADD# 55 Bonanza Ledge 55 Drilling Continues 55 Reverse circulation 55 #:#,# scale [002] 55 Vetas Gold 55 Diamond Drill 55 Oro Amigo 55 Shirotnaia zone 55 Sulphide Zone 55 geologic interpretation 55 Atikwa Lake property 55 Airborne Magnetic 55 Brucejack Area 55 magnetometric survey 55 Bulk Leach Extractable 55 MMI anomaly 55 overburden stripping 55 diamond drillholes 55 Mankarga Zone 55 Aricheng West 55 ANIT 55 Corcoesto 55 Nortec Minerals 55 mafic ultramafic rocks 55 BHEM 55 geologic interpretations 55 intersected silicified 55 Santa Eduwiges mine 55 Palmarito Project 55 Harena 55 Strawn Limestone 55 stockwork breccia 55 #m@#.#g t gold [002] 55 surface geochemical anomalies 55 Kitenge Prospect 55 La Poma 55 Whiskey Gap 55 South Barnat 55 mineralized porphyry copper 55 anomalous zones 55 Soil geochemistry 55 Don Ese 55 Tassawini Gold 55 aeromagnetic anomalies 55 geological interpretations 55 eluvial deposits 55 Thor Trend 55 soil geochemical 55 Kaukua 55 Prefeasibility Study 55 Reverse Circulation Drill 55 anomalous soil geochemistry 55 sulfidation style 55 Completes Airborne 55 geochemical assay 55 mesothermal gold 55 VTEM conductors 55 El Creston molybdenum 55 ODAE 55 Mikwam 55 Epithermal Gold 55 Deflector deposit 55 Fiskenaesset Ruby Project 55 Pasacancha 55 Moly Brook 55 Titan# 55 Teapot Granite 55 alluvial workings 55 Jiama Project 55 #WR# 55 BLEG 55 Apoteri K 2 54 termite mound geochemistry 54 airborne EM surveys 54 Nose Deposit 54 Grota Seca 54 Lithium Brine 54 Aurizona Main 54 Copper Molybdenum 54 Canariaco Sur 54 Wicheeda 54 Vaquillas 54 Drill Targets 54 Hache lens 54 Ouro Verde deposit 54 infill drill 54 Ticho Project 54 Breccia Zone 54 Reverse Circulation RC 54 steeply dipping fault 54 Klaza 54 airborne geophysics geological mapping 54 Diamond Drilling 54 geochemical assays 54 Jari P. Geo 54 2D seismic survey 54 Timmins Porcupine West 54 helicopter borne VTEM 54 Tiriganiaq 54 Sleeping Giant Zone 54 Significant Assay Results 54 Drilling Extends 54 sulfide bearing 54 Gwabe 54 multistage frac 54 Las Bolas structure 54 Vynohradiv 54 Reconnaissance mapping 54 Debarwa 54 Tantamaco 54 VTEM electromagnetic 54 wallrock 54 low sulphidation vein 54 Wellgreen Property 54 reportable intercepts 54 breccia pipe targets 54 appraisal sidetrack 54 subhorizontal 54 veins stockworks 54 Kena Property 54 Induced Polarization geophysical 54 mineralogical composition 54 LS Grande 54 topographic surveys 54 Otish Uranium 54 airborne magnetic electromagnetic 54 Fold Nose 54 unconformity style 54 Kibi Project 54 Koshaj 54 JAK Zone 54 Alto Quemado 54 ultramafic mafic 54 platinum palladium mineralization 54 magneto telluric 54 STeP ® 54 Zamora Batholith 54 Kalana Mine 54 Taricori 54 Klaza Zone 54 alluvial gravels 54 Tagpura 54 Oreana trend 54 Lupoto 54 AeroTEM 54 Akasaba 54 Deflector 54 mineralized intrusive 54 Cerro Vetas 54 Bourkes Mine 54 Widely spaced 54 Sekenke 54 Deflector Deposit 54 vanadium mineralization 54 Walsh Katrine 54 Marge Vein 54 mineralogical analysis 54 mylonite 54 Kobada 54 holes #WR# 54 Lithology 54 Chimiwungo 54 Coneto 54 Arsenopyrite 54 Marban deposit 54 Dougga 54 geotechnical drilling 54 Dubenski Shaft Zone 54 crestal 54 Mt Penck 54 Airborne Geophysics 54 vein stockwork 54 corehole 54 Nkran 54 Cassiar Gold Camp 54 Kasala Main Zone 54 Geotech Ltd. 54 Porphyry Copper 54 termite mound geochemical sampling 54 Yenipazar 54 calcrete hosted uranium 54 Xietongmen deposit 54 WNW trending 54 Malartic Lakeshore 54 Downhole 54 saprolitic 54 Turnor Lake 54 kimberlite breccia 54 exhalite 54 Volcanogenic Massive Sulphide VMS 54 bulk mineable 54 hole BC# 54 McFaulds 54 magnetite bearing 54 magnetite mineralization 54 Yuinmery 54 Tatajuba 54 Aviat Project 54 Etango 54 coincident magnetic 54 Miwah Gold Zone 54 Tungsten Molybdenum 54 garimpos 54 Zona Alta 54 Accha deposit 54 ENE trending 54 Holes EC# 54 anomaly coincident 54 magnetic geophysical anomaly 54 Nordeau 54 epithermal gold vein 54 volcanic massive sulphide 54 Pidgeon Molybdenum Deposit 54 Sissingue 54 Mineralized Zones 54 Bellechasse Timmins deposit 54 contracted Geotech Ltd. 54 Chucara 54 Dos Hornos 54 alaskite bodies 54 Outcrops 54 ultrabasic 54 Ni Cu PGM mineralization 54 Tres Juanes Norte 54 Snowfield Zone 54 updated #-# compliant 54 element geochemistry 54 Eastford Lake 54 geochemical analyzes 54 airborne magnetic anomaly 54 Dioulafoundou 54 scoping prefeasibility 54 auriferous zones 54 vertical extents 54 NN Zone 54 mineralized gabbro 54 Espuelas Canyon 54 preliminary metallurgical testwork 54 Bellechasse Timmins 54 outcrop stripping 54 sawn channel 54 EM anomalies 54 calc silicate 54 geochemistry geophysics 54 Emba Derho 54 Jahodna 54 airborne electromagnetic anomalies 54 Manfo Property 54 Porphyry Pearl 54 Yoquivo 54 Porphyry Copper Gold 54 underground delineation drilling 54 chromitite 54 Eagle Nest deposit 54 Kvanefjeld 54 Kipawa deposit 54 Preliminary metallurgical testwork 54 TSX VENTURE VMS 54 epithermal alteration 54 Estrades 54 Initiates Drilling 54 gamma spectrometry 54 coreholes 54 Azulitas 54 bulk tonnage mineralization 54 Qualified Person overseeing Lydian 54 Condor de Oro 54 Penasco Quemado 54 Kutcho Copper Project 54 Paso Yobai 54 Dogpaw 54 Campamento Deposit 54 RC drilling 54 Animas Del Norte 54 kimberlite occurrences 54 Suuri zone 54 Retty Lake 54 Broulan Reef 54 Ouro Verde Deposit 53 Wabassi 53 Sinchao Property 53 Chabela 53 Commences Drilling Program 53 Detailed geologic mapping 53 Gradiometer 53 km2 3D seismic 53 Promontorio Silver 53 copper mineralization intersected 53 Kutcho 53 untested geophysical anomalies 53 RC percussion 53 Golouma West 53 Soil geochemical 53 Radiometric Survey 53 Tumipampa 53 mineralized occurrences 53 EM geophysical surveys 53 Amun Deeps 53 Borosi 53 Aranzazu Project 53 sulphide lenses 53 quartz reef 53 trenching 53 Dogpaw Lake property 53 Wellgreen 53 McFauld West 53 Fobiri 53 manganese mineralization 53 quartz sericite alteration 53 Bisha Main 53 geology geochemistry geophysics 53 WNW ESE 53 copper molybdenum porphyry 53 Njame 53 gossanous 53 REE Y Zr 53 EM conductor 53 Goldcreek Property 53 InfiniTEM 53 South Minita 53 geophysical conductor 53 AKK# 53 Curipamba 53 Leprechaun Deposit 53 gravity gradient 53 Pucarana 53 EW trending 53 Guadalupe Manto 53 Boxey Point 53 Barreal Seco 53 process flowsheet 53 Diamond Drill Hole 53 Promontorio 53 heliborne magnetic 53 quartz monzonite intrusive 53 Garrcon shaft zones 53 Airborne Radiometric 53 Quantec 53 Skarn Zones 53 gossan 53 sulphide mineralized 53 magnetic geophysical anomalies 53 Dingo Peak 53 Kutcho Project 53 magmatic nickel copper 53 Commences Exploration 53 El Rayo Silver 53 Surface trenching 53 Kavola East 53 Enzyme Leach soil 53 Onkelo 53 Skarn 53 Bulk Sample