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(Click for frequent words.) 79 rich orogenic quartz 78 quartz hematite 75 bearing quartz tourmaline 75 stockwork breccia 74 bearing breccias 74 quartz calcite 74 quartz ankerite 74 chalcopyrite copper 73 Skouries copper gold 73 shearing alteration 73 vein stockworks 73 sericite pyrite 73 chalcocite chalcopyrite 73 abundant pyrite 73 strongly silicified 72 Matala deposit 72 silica breccia 72 quartz sericite 72 chalcopyrite bornite 72 quartz stringers 72 northeast trending sheeted 72 quartz chlorite 72 chemical metasedimentary rocks 72 quartz stockworks 72 quartz pyrite 72 silica carbonate 72 averaging #.#g t [003] 72 sulphide mineralized 72 Palaeozoic sedimentary 72 pyrite quartz 72 variably silicified 71 chalcopyrite pyrite 71 diorite porphyry 71 silicification quartz 71 Piaba deposit 71 #m@#.# g t Au [003] 71 sulfosalts 71 vein stockwork 71 Longshot Ridge 71 gossanous 71 stockwork vein 71 quartz feldspar 71 Mantouchiche showing 71 pyrite arsenopyrite 71 chalcedonic 71 metavolcanic 71 Ixtaca 71 quartz pyrite veins 71 Bisha Main 71 copper molybdenum gold 70 carbonate veins 70 extensive artisanal workings 70 ENE trending 70 trending steeply dipping 70 Zam Zam Shenkman 70 Garrcon shaft 70 chlorite sericite 70 pyrite veins 70 intense silicification 70 Riscos 70 intrusive breccia 70 uranophane 70 galena sphalerite 70 Lupita Mine 70 pyrophyllite 70 scheelite bearing 70 stockwork veined 70 potentially bulk mineable 70 stratigraphically below 70 pyrite altered 70 interval assaying 70 mineralized skarn 70 pyrite pyrrhotite chalcopyrite 70 Chalcopyrite 70 talc chlorite 70 wallrock 70 sulfidation style 70 MMI soil geochemical 70 #m@#.#g t Au [003] 70 Banded Iron Formation 70 #m@#.#g t [006] 70 zones breccias 70 andesitic rocks 70 Constancia Copper Molybdenum 70 Hangingwall 70 stockwork veins 70 monzonite intrusion 70 Ni Cu PGM mineralization 70 silicified breccia 70 Malrok 70 porphyritic intrusive rocks 70 sheeted quartz 70 quartz biotite 70 breccia hosted 70 strongly altered mafic 69 potassic altered 69 sheeted veins 69 sericite carbonate 69 @ #.#g t [001] 69 Heruga copper gold 69 altered silicified 69 sericitic alteration 69 K feldspar 69 quartz veins containing 69 #m@#.# g t [002] 69 hematite goethite 69 silicified limestone 69 pyrite chalcopyrite 69 arsenopyrite bearing 69 altered ultramafic 69 vein breccia 69 siliceous sediments 69 quartz carbonate vein 69 vuggy silica quartz alunite 69 previously unsampled 69 Au Ag mineralization 69 coincident anomalous 69 variably mineralized 69 magnetite skarn 69 brecciated quartz 69 sheeted quartz veinlets 69 mineralized quartz veins 69 lithological contacts 69 alunite 69 epithermal silver 69 molybdenite bearing 69 mineralized shear 69 #.#g t silver [004] 69 carbonate veining 69 quartz breccias 69 fuchsite 69 veins breccias 69 quartz porphyry 69 sulphide bearing 69 Las Boquillas 69 porphyry skarn 69 polymetallic Au Ag 69 epidote 69 northerly trending 69 hole ESI# 69 magnetite alteration 69 arsenopyrite mineralization 69 quartz dickite kaolinite alteration 69 biotite chlorite 69 Bracemac Zone 69 induced polarization anomalies 69 #m@#.#g t Au [001] 69 gm Au 69 grading #.#g t [001] 69 epithermal quartz 69 quartz vein stockwork 69 anastomosing 68 Longshot Ridge copper 68 silica pyrite 68 disseminated sulphide 68 quartz adularia veins 68 bearing sulphide mineralization 68 cherty 68 silica sericite 68 sulphides pyrite 68 quartz carbonate 68 Tungsten Molybdenum 68 sphalerite galena 68 quartz sericite pyrite 68 Minita deposit 68 mafic intrusives 68 Veta del Contacto 68 stockwork quartz veins 68 averaging #.#g t [002] 68 auriferous zones 68 Anomalous uranium 68 chalcopyrite sphalerite 68 banded quartz vein 68 pegmatite hosted 68 albitized 68 #m@#.#g t Au [004] 68 quartz sulphide vein 68 chloritized 68 disseminated chalcopyrite 68 monzodiorite 68 gold porphyry mineralization 68 hematitic 68 stockworked 68 #.#g t silver [003] 68 disseminated sulphide mineralization 68 felsic tuffs 68 metasediment 68 pyrite stockwork 68 conglomeratic 68 pyrite sphalerite 68 intersected disseminated 68 Eskay Creek Silbak Premier 68 Au Cu mineralization 68 altered diorite 68 quartz molybdenite 68 sediments intruded 68 subhorizontal 68 sericitic 68 Ciresata deposit 68 strongly chloritized 68 albite 68 biotite magnetite 68 vein breccias 68 #ppm molybdenum [001] 68 drilled thicknesses 68 epithermal stockwork 68 #.#g t [004] 68 quartz arsenopyrite 68 coincident geophysical 68 gold mineralized quartz 68 altered granodiorite 68 gossans 68 calc silicate 68 Mineralization consists 68 silicified zones 68 garnet skarn 68 Klaza Zone 68 intensely silicified 68 carbonate altered 68 #m@#.# g t Au [007] 68 El Cafetal La Virgen 68 surface outcrops 68 hematite magnetite 68 #m@#.# % [001] 68 quartz veinlet 68 prospective Hurdman Zinc 68 calcite quartz 68 sulphide breccia 68 adularia 68 prolific Val d'Or 68 stockwork veining 68 Au Cu Ag 68 spodumene rich 68 quartz tourmaline breccia 68 altered felsic 68 Alaskite 68 #m@#.# % [006] 68 disseminated arsenopyrite 68 andesites 68 northerly trending structures 68 quartz muscovite 68 @ #.#g t [002] 68 epidote chlorite 68 Skukum Creek gold 68 mineralized quartz vein 68 altered volcanics 68 disseminated stringer 68 mineralized felsic 68 northeast trending shear 68 tonalitic 67 copper molybdenum mineralization 67 Kena Property 67 Rhenium Re 67 magnetite gneiss 67 coincident gravity 67 quartz stockwork 67 sphalerite zinc 67 felsic intrusive rocks 67 intersected #.#m [002] 67 Chiis 67 magnetite pyrite 67 diorites 67 Anomalous values 67 grading #.#g t [002] 67 #m@#.# % [003] 67 weakly anomalous 67 arsenic antimony mercury 67 magnetite hematite 67 intersected anomalous 67 tuffaceous rocks 67 carbonatized 67 granodiorite porphyry 67 chalcopyrite chalcocite 67 geochemically anomalous 67 Lemarchant Prospect 67 vein assayed 67 finely disseminated 67 Ampeha trends 67 Silver Eq 67 exhalite 67 ounce Barrick Hemlo 67 #WR# 67 quartz sulfide 67 Dioulafoundou 67 holes #WR# 67 Trench TKB# 67 g t rhenium 67 easterly trending 67 garnet biotite 67 #m@#.# g t Au [002] 67 hydrothermally altered 67 hematite mineralization 67 tourmaline veins 67 blebby 67 dacitic 67 Calandria Norte 67 potassically altered 67 drill hole SADD# 67 mineralized breccia 67 advanced argillic alteration 67 Taricori 67 uraniferous 67 Greenschist Zone 67 molybdenite occurs 67 chalcopyrite mineralization 67 WNW trending 67 pyrite galena 67 copper skarn 67 mylonite 67 veins stockworks 67 hydrothermal breccias 67 @ #.#g t [003] 67 manganese mineralization 67 stockwork zones 67 amphibolite 67 bornite chalcopyrite 67 intersected sulphide 67 Lower Acacus Formation 67 Leprechaun Pond 67 epithermal alteration 67 #m@#.# g t [006] 67 silicified porphyry 67 supergene enriched 67 #COM# 67 El Compas vein 67 chlorite epidote 67 Epithermal 67 anomalies coincident 67 intensely sheared silicified 67 quartz sericite pyrite alteration 67 NNW trending 67 pelitic gneisses 67 molybdenum tungsten 67 La Morocha 67 chalcopyrite galena 67 South Miwah Bluff 67 NNE trending 67 massive sulfide VMS 67 kimberlite breccia 67 averaging #.#g t [001] 67 Pierina Veladero 67 iron sulphides 67 banded quartz 67 auriferous quartz 67 disseminated sulfide 67 outcropping mineralization 67 Calandria Sur 67 quartz tourmaline veins 67 gold anomalism 67 sericite alteration 67 silicified breccias 67 magnetite bearing 67 ankerite 67 biotitic 67 Pivert East 67 veinlet 67 chloritic 67 quartz carbonate veins 67 lapilli tuff 67 felsic metavolcanics 67 Sulphide mineralization 67 mineralized stockwork 67 Updates Resource Estimate 67 geological mapping trenching 67 EMD# encountered #.# 67 mineralized pegmatite 67 sulphide stockwork 67 calc silicate skarn 67 Ag Pb Zn 67 pyrrhotite chalcopyrite 67 wallrocks 67 hole BC# 67 massive sulphide horizon 67 Drill Hole RCHE 67 drillhole intersected 67 sheared mafic 67 quartz vein zones 67 supergene copper 67 minor chalcopyrite 67 g t PGE 67 quartz sulphide 67 alunite alteration 67 iron carbonate alteration 67 arsenopyrite pyrite 67 fracture fillings 67 cobalt mineralization 67 Detailed geological mapping 67 pervasive ankerite 67 historically productive Mirdita 67 quartz lode 66 felsic dykes 66 formation BIF 66 advanced argillic 66 hydrothermal breccia 66 anomalous arsenic 66 sulphide stringer 66 Porcupine Destor 66 #.#m grading #.#g [001] 66 galena pyrite 66 chalcedonic silica 66 Djambaye II 66 Anomalous radioactivity 66 quartz carbonate veining 66 Cerro Moly 66 anomalous zinc 66 Nueva Concepcion 66 pyrite alteration 66 schists 66 Djambaye 2 66 Pipe alteration 66 polymetallic mineralization 66 serpentinized 66 hematite chlorite 66 BB# [002] 66 eluvial 66 outcropping quartz veins 66 excavator trenches 66 variably altered 66 disseminated fine grained 66 biotite rich 66 quartz veined 66 Foy Offset Dike 66 Vortex Zone 66 sheared ultramafic 66 subvolcanic 66 hole EJD# 66 malachite azurite 66 MAG Silver Reports 66 stratiform 66 Massive Sulfide 66 mafic metavolcanics 66 stockwork veinlets 66 shallow bulk tonnage 66 dacite porphyry 66 diopside 66 trace chalcopyrite 66 propylitic altered 66 Timmins Porcupine West 66 Moly Brook 66 stratabound 66 paleo placer 66 mineralized gabbro 66 hornfelsed 66 #,# acre Angilak 66 phyllic altered 66 sericitized 66 silicified quartz 66 amphibolites 66 sericite quartz 66 Upper Bracemac 66 silver #.#g t 66 arsenic anomalies 66 sphalerite chalcopyrite 66 biotite altered 66 quartz tourmaline 66 norite 66 banded iron 66 phyllites 66 alaskite hosted 66 bearing quartz stockwork 66 Jabali vein system 66 low sulphidation 66 hydrothermal brecciation 66 ultramafics 66 Gongondy 66 thrust interleaved sequence 66 Xstrata Las Bambas 66 Athabasca unconformity 66 mafic volcanics 66 Tertiary volcanics 66 Bornite 66 mafic intrusive 66 quartz breccia 66 hole ZFDDH# 66 meta sedimentary rocks 66 Pokukrom West 66 @ #.#g t [004] 66 Cantarranas 66 mineralized breccias 66 Norrliden Polymetallic Deposit 66 stope delineation 66 EW trending 66 mafic intrusion 66 phyllic 66 mineralized breccia zone 66 Breccia Zone 66 Argentex Pinguino property 66 argillic 66 pyrrhotite pyrite 66 silver epithermal vein 66 carbonaceous mudstone 66 silicified rhyolite 66 sedex 66 + Pd + 66 volcanogenic 66 cherts 66 auriferous 66 outcrop exposures 66 argillaceous 66 stockwork mineralization 66 Ouro Verde deposit 66 quartz calcite veining 66 soil geochemistry anomalies 66 silicic alteration 66 hematized 66 #.#-#.# m [001] 66 Nastia deserved 66 tuffaceous 66 disseminated magnetite 66 vein outcrops 66 Magistral Norte 66 pegmatite dykes 66 Puajanca Zone 66 volcaniclastics 66 Tres Juanes Norte 66 zinc #.#g t 66 TRK# 66 magnetite chalcopyrite 66 Southwest Oyu 66 heap leachable gold 66 ultramafic intrusives 66 hole #VK 66 dioritic 66 metres@#.# g t [003] 66 silica chlorite 66 g t PGM 66 Goddell Gully gold 66 argillic altered 66 trending mineralized 66 anomaly coincident 66 quartz sericite alteration 66 stibnite 66 weakly mineralized 66 intense hydrothermal alteration 66 LURC# 66 Syenite 66 sulphide stringers 66 potentially open pittable 66 Matoush fault 66 section #N [002] 66 intersected weakly mineralized 66 Explor Resources 66 disseminated pyrrhotite 66 intersected massive sulphide 66 GPGR 66 Eastford Lake 66 Cantarranas Vein 66 rich Ambler volcanogenic 66 quartz stockwork zone 66 Palladium Pd 66 mineralized zones intersected 66 NN Zone 66 volcanic stratigraphy 66 Hole intersected 66 TC# #c 65 metavolcanics 65 Lapaska Central 65 mafic rocks 65 west trending shear 65 massive sulphide occurrences 65 potassic alteration 65 biotite schists 65 Veta Norte 65 skarn horizon 65 smithsonite 65 Expands Mineralization 65 Amun Deeps 65 KDH# [002] 65 biotite alteration 65 porphyritic 65 felsic porphyry 65 sandstone horizons 65 gabbroic 65 #.#gpt [001] 65 Mangabal South 65 fluorite mineralization 65 Goldcorp El Sauzal 65 chlorite altered 65 Njame 65 skarn deposits 65 quartz feldspar porphyry 65 +# ppb 65 NQ diamond 65 sulfide bearing 65 CP# intersected 65 andesite flows 65 disseminated pyrite pyrrhotite 65 mineralized uncut 65 igneous intrusive 65 breccia zones 65 syenite intrusive 65 #.#gpt [002] 65 coincident geochemical 65 Confirms Continuity 65 Bejucosa 65 stringer mineralization 65 quartz tourmaline veining 65 Birimian metasediments 65 Adi Rassi copper 65 rhyodacite 65 Batero Quinchia 65 Skarn Zones 65 #.#gpt gold [001] 65 leachable chalcocite 65 Mr. Koningen 65 massive pyrrhotite 65 galena sphalerite chalcopyrite 65 volcanic massive sulphide 65 ppb palladium 65 PGM mineralization 65 alaskite 65 abundant quartz veining 65 volcanic tuffs 65 Ag Pb 65 basal till 65 Riscos de Oro 65 intersected mineralized zones 65 mineralized intrusive 65 anomalous concentrations 65 bearing quartz vein 65 KINSHASA Congo Fabulous 65 quartz barite 65 siliceous breccia 65 Mineralized intercepts 65 felsic dikes 65 copper #.#g t [001] 65 Lynx Hibou system 65 #m@#.# g t Au [006] 65 pyritized 65 metavolcanic rocks 65 Key Tuffite horizon 65 pyrite mineralization 65 mineralizations 65 FMR dikes 65 specularite 65 silver indium 65 manganese oxides 65 Don Ese 65 Porcupine Destor fault 65 #.#g Au t [003] 65 rhyolite porphyry 65 dravite 65 breccia textures 65 Tan Chaffao East 65 alteration halo 65 Mineralization occurs 65 Fold Nose 65 Garrcon 65 RC# intersected 65 variably siliceous fine grained 65 volcanic breccias 65 felsic metavolcanic 65 Ample Goldmax 65 mineralized outcrops 65 monzonite porphyry 65 talus fines 65 Mt Penck 65 volcanogenic massive sulfide VMS 65 KDH# [001] 65 prospective stratigraphy 65 rhyolite breccia 65 Cu Au mineralization 65 rich VMS mineralization 65 Waratilla Prospecting License 65 porphyry intrusive 65 trending shear zone 65 carbonate alteration 65 sericite 65 brecciated volcanic rocks 65 MMI anomalies 65 #m grading #.#g [002] 65 sericite chlorite 65 outcrop stripping 65 PdA Extension 65 Guajes West 65 Buriti trend 65 historic Lac Cinquante 65 magnetic geophysical anomaly 65 Silbak Premier Mine 65 Ag Cu Pb 65 Fry Inlet 65 Kavola East 65 pathfinder element 65 molybdenite mineralization 65 volcaniclastic rocks 65 Ronguen gold 65 porphyritic andesite 65 felsic volcanics 65 olivine rich 65 Manzako 65 holes BD# 65 rhyolite domes 65 quartz veins breccias 65 TGDH#D 65 pelite 65 HG Sulphide zone 65 Lithology 65 mineralized quartz 65 leucogranite 65 El Orito vein 65 sulfide veins 65 skarn mineralization 65 Marta Este 65 sulphide veins 65 carbonate replacement 65 #.#g t Ag [005] 65 Central Mineralised Zone 65 manto mineralization 65 itabirite 65 gold mineralization intersected 65 chrysocolla 65 Ogama Rockland 65 kaolin bauxite alumina 65 #.#gpt gold [002] 65 felsite 65 felsic intrusive 65 sericite schist 65 stockworks 65 anomalous mineralization 65 DDH IAX 65 potentially bulk minable 65 DDH# [001] 65 diatreme breccias 65 magnetite iron formation 65 #.#g t gold [005] 65 Nariin Sukhait 65 andesitic volcanics 65 Tonnes Category 65 Kourouloulou 65 gold arsenic bismuth 65 Adumbi prospect 65 Outcropping 65 breccias containing 65 Porphyry copper 65 #m@#.#g t Au [006] 65 KRC# [001] 65 altered dacite 65 Hushamu 65 laced crystal chalices 65 #.#g t gold [002] 65 Archean basement rocks 65 open pittable gold 65 Birimian Greenstone Belt 65 Marban deposit 65 chalcedonic quartz 65 granitic pegmatite 65 El Orito 64 Hurdman Property 64 granitoid bodies 64 tungsten mineralization 64 IOCG mineralization 64 IP chargeability 64 TSX ETG 64 Australia ASX IVA 64 crackle breccia 64 chalcopyrite pyrrhotite 64 Grota Seca 64 mineralized outcrop 64 stockwork quartz 64 epithermal vein deposits 64 Pacific Rim volcanogenic porphyry 64 semi massive sulphide 64 g t Pd 64 sulphosalts 64 Caliente Caldron Complex 64 copper molybdenum zinc 64 Zinc Zn 64 Roughrider East 64 g t Beryllium 64 epithermal gold mineralization 64 Koshaj Deposit 64 #WA 64 anomalous geochemical 64 copper skarn mineralization 64 Palmarito Project 64 Ni Cu PGM 64 Detailed mapping 64 altered volcanic rocks 64 metres@#.# % [002] 64 Proterozoic aged 64 Kay Tanda epithermal gold 64 feldspar porphyry 64 quartz sulphide veins 64 sheared diorite 64 granodiorites 64 ultramafic intrusive 64 Extension Occurrence 64 Rare Earth Element REE 64 gold geochemical anomalies 64 tetrahedrite 64 arsenic bismuth 64 sub Athabasca unconformity 64 Archean aged 64 metasedimentary rocks 64 Huajoto Gold Silver 64 ppm indium 64 pegmatitic 64 prolific Abitibi region 64 #ppm molybdenum [002] 64 JAK Zone 64 altered rhyolite 64 vuggy silica alteration 64 felsic rocks 64 gabbro intrusive 64 Dogpaw Lake 64 pyrargyrite 64 Drill intersections 64 gneisses 64 equivalent CuEQ 64 syenite gneiss 64 NE trending 64 Darnley Bay gravity 64 skarn horizons 64 vuggy quartz 64 pyrite marcasite 64 Drill hole GCL# 64 Bonanza Ledge proposed 64 epithermal vein 64 gold copper porphyry 64 silicified dacite dike 64 calcareous siltstones 64 adit sampling 64 El Compas 64 Skarn Zone 64 bulk minable 64 massive galena 64 Cerro Vetas 64 Nueva Caledonia 64 Cu PGE 64 shallowly dipping 64 U Ag Cu 64 Geologic mapping 64 massive sulphide VMS 64 greenschist facies 64 m@#.# g t [003] 64 quartz magnetite 64 #.#g/tAu 64 outcropping vein 64 limonitic 64 Pt + Pd 64 arsenopyrite veins 64 #m@#.#g t Au [002] 64 1g t 64 mineralization encountered 64 multiple subvertical tabular 64 granitic rocks 64 schistose 64 Section #NE [003] 64 lithogeochemical 64 peridotites 64 komatiitic 64 DDD# 64 ultramafic mafic 64 Commences Drill Program 64 alkalic 64 interval grading #.#g 64 meta sediments 64 nickel sulphide mineralization 64 Geological mapping 64 AngloGold Ashanti Titiribi 64 paragneiss 64 diatreme 64 #m@#.#g t [002] 64 Plomosas 64 section #E [003] 64 soil geochemical anomaly 64 downhole depth 64 hole LL# 64 manto style 64 intermediate metavolcanic rocks 64 plutonic rocks 64 unconformity style 64 Gwabe 64 sericite altered 64 laterite mineralization 64 Ampeha 64 magmatic nickel copper 64 sulphidized 64 #m downhole 64 PG# Zone 64 calcrete hosted uranium 64 spodumene bearing 64 Tertiary volcanic rocks 64 quartz vein stockworks 64 Carscallen Gold 64 tourmaline quartz 64 banded epithermal 64 SEDEX zinc lead 64 pervasively silicified 64 shallow laterally 64 gold porphyry skarn 64 Tortigny deposit 64 Mineralization Extended 64 intrusive dykes 64 Barrick Gold famed Eskay 64 Tranquilo Trend 64 tonnes@#.# g t Au [001] 64 brecciated silicified 64 #g t [001] 64 m@#.# g t Au [002] 64 magnetite mineralization 64 Pinguino property 64 muscovite 64 copper mineralization intersected 64 silver arsenic antimony 64 hypogene 64 Aricheng West 64 copper sulphide mineralization 64 coincident magnetic 64 Silver Equiv 64 El Rayo structure 64 epithermal veins 64 Widely spaced 64 Angela Vein 64 Kennecott Bingham 64 hole MJV 64 Au Ag Pb Zn 64 favorable lithologies 64 #m@#.#g t gold [001] 64 #m@#.#g t [004] 64 quartz feldspar porphyry intrusive 64 footwall sediments 64 Cordero Porphyry 64 Au Cu 64 footwall alteration 64 acid leached 64 molybdenum rhenium copper 64 propylitic 64 Gold Oxide Skarn 64 macrocrystic 64 porphyry intrusives 64 Cretaceous sandstones 64 Cu Ni Pt Pd 64 Induced Polarization IP chargeability 64 intersected mineralized 64 Near Surface 64 TiTac 64 jasperoid 64 Suuri 64 section #E [004] 64 ankerite alteration 64 intersected anomalous radioactivity 64 Anomalous gold 64 biotite 64 mineable widths 64 Cannu 64 altered ultramafic rocks 64 vein breccia zones 64 Mineralized zones 64 Haukiaho 64 KBDD# 64 hole DB#B# 64 uranium anomalism 64 copper sulphides 64 Stockwork 64 gm tonne 64 Kerekounda 64 copper sulfides 64 Tatajuba 64 strongly potassic altered 64 hypabyssal 64 altered porphyry 64 quartz stockwork veining 64 polymetallic vein 64 producing Kitenge 64 Kay Tanda 64 vein quartz 64 quartz veinlets 64 Cretaceous limestone 64 pyroxenites 64 Naybob 64 granite porphyry 64 Mt@#.# g t [001] 64 litho geochemical 64 epidote alteration 64 Sleeping Giant Zone 64 phyllic alteration 64 silver equivalent AgEq 64 La Bodega zone 64 chrome diopside 64 malachite mineralization 64 Snowfield Zone 64 porphyritic intrusive 64 Gwenivere 64 banded quartz veins 64 Osisko Releases 64 soil geochemical anomalies 64 fine grained sandstone 64 Roughrider Zone uranium 64 copper molybdenum porphyry 64 pyrite pyrrhotite 64 Cr#O# 64 structural lineaments 64 anomalous soil geochemistry 64 shallow overburden 64 intense silica alteration 64 Oshiveli 64 holes RR# 64 rhyolite tuffs