Related by context. All words. (Click for frequent words.) 79 Rare Earth Oxides 75 Y#O# 73 Nd#O# 72 elements lanthanum 71 oxides TREO 71 Dy#O# 71 Cu Eq 70 La#O# 70 Cu Equivalent 69 Total Contained Metal 69 Ce#O# 69 Fe#O# 68 ZrO2 68 HREO + Y#O# 68 LREO 68 Au Eq 68 lutetium plus 67 Tonnes Au 67 Pt + Pd 67 CuT 67 Cr#O# 67 Ta#O# 66 + Pd + 66 Copper Equivalent 66 #.#g t Ag [002] 66 NiEq 66 m@#.# g t Au [002] 65 AgEq 65 Nb#O# 65 yttrium oxide 65 weakly anomalous 65 g t Pt 65 eU#O# 65 lutetium plus yttrium 65 yttrium Y 65 Lanthanum La 65 #.#g Au t [003] 65 #ppm U 65 MoS2 64 partially oxidized 64 Ag Eq 64 #.#g t Ag [005] 64 HREO 64 Cerium Ce 64 Metres Grading 64 -Expandable Memory 64 Platinum Pt 64 Rare Earth Oxide TREO 64 tungsten WO3 64 LREE 64 Mt@#.# g t [001] 64 % Fe#O# 64 Silver Equivalent 64 Stainless Steel Sheet 64 sylvinite 63 Sulphides 63 Y Zr 63 drilled thicknesses 63 Million ozs 63 oz Au t 63 #.#Mt grading [001] 63 Yellow Ex Kandla 63 Mt@#.# % [001] 63 Drill intersections 63 #m@#.# g t Au [002] 63 Au eq 63 % TCu 63 g t Pd 63 % Nb#O# 63 ZrO 2 63 #CF# 63 t/m3 63 #m@#.# g t Au [007] 63 #,# g t 63 elements HREE 63 #WR# 63 Gold Equivalent 63 g t Au eq 63 uranophane 63 Cu Ag 63 Copper Cu 63 #ppm Cu 63 Equiv 63 sylvite 63 Moz Au 63 Supergene 63 % MoS2 63 #.#g t Pd 63 Heavy Rare Earth 63 bornite chalcopyrite 63 m@#.# g t Au [004] 63 HREO TREO 63 Eu#O# 63 Precious Metals TPM 63 gAu tonne 62 #m@#.# g t [002] 62 #m@#.# % [001] 62 Nominal Delta 62 Indicated Inferred 62 Quartz Vein 62 cerium Ce 62 Au t 62 m@#.# g t Au [003] 62 AngloGold Ashanti Titiribi 62 #RB# 62 lithium oxide 62 -#:# GMT/# 62 gm Au 62 -Jerry Seinfield 62 #.#g t silver [002] 62 m@#.# g t [004] 62 + Pd 62 Core Length 62 g t grammes 62 AuEq 62 #m@#.# % [005] 62 WO3 62 oz ton Ag 62 #ppm Mo 62 -vs. Sonjay Dutt 62 -Inkpop 62 Bulk density 62 Probable Mineral Reserves 62 zirconium Zr 62 Drill composites 62 % Cu Eq 62 vanadium pentoxide V#O# 62 #.#g t Ag [001] 62 kimberlite breccia 62 lutetium 62 #.#g Ag t 62 1g t Au 62 Assay Results 62 tungsten trioxide 62 Ag Pb 62 Mn Fe 62 Gd#O# 62 #m@#.#g t Au [001] 62 AuEq g t 62 Tonnes Au g t 62 #.#gpt Au [002] 62 assay intervals 62 Palladium Pd 62 interval assaying 62 specular hematite 62 metres@#.# % [002] 62 To Length Au 61 Tonnes Cu 61 U#O# U#O# 61 averaging #.#g t [003] 61 -Whitsunday Regional 61 g Ag 61 Molybdenum Mo 61 praseodymium 61 element ICP analysis 61 -Amaka Anajemba 61 Au g t 61 macrocrystic 61 #.#gpt [004] 61 - -Schlater 61 g t Aueq 61 copper Cu 61 KBRC# 61 t Au #.#g t [001] 61 Indicated Category 61 #m@#.#g t Au [003] 61 TCu 61 MoO3 61 metres@#.# g t Au [002] 61 -Wauk 61 1g t 61 #g t Au [002] 61 gm t 61 Ag Au 61 epidote 61 platinum Pt 61 Significant intercepts 61 Million Ounces 61 Classification Tonnes 61 + Pd g t 61 #.#g t [004] 61 neodymium Nd 61 rhodium Rh 61 Shape Passionfruit Lemonade 61 ppm Zn 61 gms tonne gold 61 kainite 61 #.#gpt gold [002] 61 + Y#O# 61 % Cu #.#g 61 copper #.#g t [002] 61 tungsten WO 3 61 drilled widths 61 GSR2 61 % Cu eq 61 cherty 61 lanthanum La 61 meters grading #.#g [002] 61 Measured Resources 61 pyrite pyrrhotite chalcopyrite 61 Contained Ounces 61 = Tb#O# 61 Cu Pb 61 m@#.# g t [003] 61 gpt gpt 61 MREO 61 Widths 61 ppm U 61 #.#gpt gold [001] 60 Chalcopyrite 60 #.#Moz [003] 60 nickel Ni 60 Inferred Category 60 #.#g t gold [001] 60 Pt Pd 60 Ounces Tonnes 60 Pt Pd Au 60 Cu Pb Zn 60 Li2O 60 antimony Sb 60 Ag Cu 60 FeO 60 -Comitan 60 Early Joli Fou 60 Ore Mined 60 gpt Pt 60 silica SiO2 60 #.#g t silver [003] 60 Al#O# 60 Northing Easting 60 Pt g t 60 #m@#.#g t Au [002] 60 Grams Per Tonne 60 dysprosium oxide 60 Easting Northing 60 #.#gpt Au [001] 60 #.#m #.#m #.#m [003] 60 g t PGE 60 XRF analysis 60 P#O# 60 diopside 60 zinc #.#g t 60 g tg t 60 gm t Au 60 @ #.#g t [002] 60 plus yttrium 60 gm t Ag 60 True Width 60 gms tonne silver 60 #ppm U#O# 60 ppm Ag 60 Drill hole GCL# 60 gallium arsenide GaAs substrate 60 g t TPM 60 Zr 60 ppm Ta 60 oz ton Au 60 metres@#.# g t Au [003] 60 chalcocite chalcopyrite 60 Terbium Tb 60 #m grading #.#g [002] 60 g t Moz 60 #m@#.# % [006] 60 Payable Metal 60 allanite 60 m Width m 60 Kau# 60 molybdenite MoS2 60 Zirconium Zr 60 Contained Contained 60 tonne Au 60 Gold Eq 60 molybdenum Mo 60 B#O# 60 % CuEQ 60 ppb Pt 60 tantalum oxide 60 -NTRA Thoroughbred Poll 60 Category Tonnes 60 #.#m grading #.#g [001] 60 @ #.#g t [001] 60 % CuT 60 Ag oz 60 Zirconium Oxide 60 Diamond Drill Holes 60 #.#g t silver [004] 60 interval grading #.#g 60 #.#g t [006] 60 gm tonne 60 #m@#.#g t [001] 60 g/cm3 60 Gold Per Tonne 60 Meters Grading #.# 60 meterage 60 % miconazole nitrate 60 niobium Nb 60 - -Schwenkler 60 #.#g t silver [001] 60 g mt 60 #m@#.#g t Au [004] 60 - -SCRT 60 3E PGM 60 averaging #.#g t [002] 59 Mineral Resource estimation 59 elements europium 59 blebby 59 Tonnages 59 oz t Ag 59 #m@#.#g t gold [001] 59 variograms 59 Probable Mineral Reserve 59 #m@#.# g t Au [006] 59 Yttrium Y 59 tonnes grading #.#g t [001] 59 Cr Fe 59 metres@#.# % [003] 59 FMR dikes 59 magmatic kimberlite 59 Soyabean Ext Bulk 59 potassic altered porphyry 59 Niobium Nb 59 ppm Pb 59 gpt Pd 59 SmartGrowth Deposits 59 #g t [001] 59 #m@#.#g t Au [005] 59 phosphate P#O# 59 Mt@#.# g t Au [002] 59 grading #.#g t [002] 59 #.#gpt [002] 59 oxide TREO 59 Contained Metal 59 grammes tonne 59 per tonne gpt 59 Width m 59 Lithology 59 Zinc Zn 59 Bejucosa 59 -Pisarro 59 felsic intrusive rocks 59 #.#Mlbs U#O# [001] 59 -stephen lawson@idg.com 59 INTERSECTS 59 #.#Â [001] 59 #.#Mt grading [003] 59 intensely silicified 59 epithermal quartz 59 trace chalcopyrite 59 #g t Au [001] 59 oz st 59 #.#g t Ag [004] 59 Li# 59 #m@#.# % [002] 59 #m@#.# g t [003] 59 #.# meters downhole 59 niobium oxide Nb#O# 59 -Keichi 59 acid soluble 59 Drilling Extends 59 enargite 59 Tantamaco 59 #.# oz Au 59 - -Staehely 59 Cu Zn Au Ag 59 #.# oz ton 59 Covered Loans 59 ppm eU#O# 59 ppm molybdenum 59 % eU#O# 59 carbonate veins 59 t Ag 59 g t Ounces 59 Measured Depth 59 Tonnes Ni 59 t U#O# 59 Titanium Oxide 59 oz ton silver 59 nepheline 59 CuEQ 59 hole #VK 59 Drill Intersections 59 t# c# 59 Chargeability 59 Metres Averaging 59 Price Per Ton 59 silver equivalent AgEq 59 Ilmenite 59 #,#,# tonnes@#.# g [002] 59 grading #.#g t Au [001] 59 palladium Pd 59 #.#g t Pt 59 historic Lac Cinquante 59 acanthite 59 t Pd 59 m@#.# 59 Au Cu Ag 59 silicified porphyry 59 quartz hematite 59 Mlbs 59 -Dropper 59 ppm U#O# 59 gAu t 59 #Mt grading [002] 59 Residential Furnishings 59 K2O 59 V#O# 58 ppm Au 58 sericite pyrite 58 Mineralized intercepts 58 #.#m #.#m [004] 58 ppm Nb 58 True thicknesses 58 biotite rich 58 g t AuEq 58 chalcopyrite bornite 58 g t PGM 58 oz t Au 58 GSR3 58 -nuh nuh 58 Tb#O# 58 oxide sulphide 58 Au oz 58 #m@#.# % [004] 58 #ppb gold 58 Silver Eq 58 - -beetles spiders 58 tonnes@#.# g t Au [001] 58 TREO + Y#O# 58 Pb Cu 58 Spodumene 58 metres@#.# g t [003] 58 -Dins 58 titanium oxide TiO2 58 titanium oxide TiO 58 FINANCIAL DETAILS 58 ppm Ta#O# 58 Nueva Concepcion 58 microdiamonds 58 NQ diamond 58 Significant intersections 58 pounds Mlbs 58 gamma logging 58 -India Kanishka bombing 58 Feet Grading 58 #.#oz t [002] 58 #.#Mt [004] 58 NVR1 58 -human papilloma viruses 58 aircore drill holes 58 garnet biotite 58 Vertical Depth 58 #.#g t [005] 58 - -ASBMB 58 pentlandite 58 Azimuth Dip 58 chlorite sericite 58 HOLE NO 58 La Ce Pr 58 % Cr#O# 58 U Th 58 Cutoff Grade 58 Southwest Oyu 58 holes #RB# 58 Rare Earth Oxide 58 hole MJV 58 sodium peroxide fusion 58 - -Sam Cammack 58 Colnic 58 Meters Grading 58 -Peter Van Keuren 58 intersected #.#m [002] 58 plagioclase 58 -Amrut 58 Gold Equivalent AuEq 58 Zn Ag 58 Grade Contained 58 Au Ag 58 Terbium 58 disseminated chalcopyrite 58 #.#g Au t [005] 58 equivalent AuEq 58 pyrope garnet 58 -Muttitt 58 sericitic 58 ppm boron 58 Homes Sold tbr 58 Mineral Resource Summary 58 Dysprosium 58 Billion Tonnes 58 Hypogene 58 -Patney 58 #g t Ag [001] 58 drillhole spacing 58 Ouro Verde Deposit 58 Offense #.# ypg 58 Cu Pb Zn Ag 58 UG2 Reef 58 -Greg Stoda Palm Beach 58 g t Ta#O# 58 Yttrium 58 Ntaka Hill 58 ppm arsenic 58 True Width CL 58 chalcopyrite sphalerite 58 iron sulphides 58 biotite alteration 58 metres@#.#g t gold 58 oz.Au 58 Monazite 58 hypogene mineralization 58 Ho Er Tm 57 SiO2 57 #.#Mt @ [003] 57 Mineralized intervals 57 #.#g t [002] 57 -pass code SHOPNBC 57 zirconium oxide ZrO2 57 #.#g t gold [005] 57 Drill Hole Results 57 #.#gpt [001] 57 Length m 57 MgO 57 neodymium praseodymium 57 current assets# [001] 57 g t Rubidium 57 Zinc Concentrate 57 mineralized sandstone 57 itabirite 57 HREE 57 yttrium 57 Rhodium Rh 57 downhole radiometric logging 57 Measured Resource 57 Significant Intercepts 57 Extension Occurrence 57 radioactivity intersected 57 Kipawa Deposit 57 Tonnes Category 57 Thicknesses 57 massive chromite 57 eU 3 57 #-# intersected 57 Li#CO# 57 gr t Au 57 - -Aussie Aussie oi 57 variably mineralized 57 #Mt grading [001] 57 #ppm molybdenum [001] 57 ton U#O# 57 KDH# [002] 57 grading #.#g t [001] 57 Updated Resource Estimate 57 Indicated Resource categories 57 #.# - -Arbab Ghulam Rahim 57 #m@#.#g t Au [006] 57 averaging #.#g t [001] 57 g t Ta 57 quartz veins containing 57 finely disseminated pyrite 57 tonne AuEq 57 copper equivalent CuEq 57 cyanide extraction 57 Santa Pancha 57 #m@#.#g t [004] 57 Meters Averaging 57 g t Beryllium 57 #ppb [001] 57 Huarabagoo 57 variogram 57 chalcopyrite mineralization 57 Moz Au contained 57 Nyafe 57 Stainless Wire 57 Mineralized material 57 LC#C 57 Alaskite 57 fine grained pyrite 57 polymetallic Au Ag 57 Quartz vein 57 potassium feldspar 57 #.#Mlb [001] 57 ppm cobalt 57 Cu Ni 57 hematite magnetite 57 disseminated arsenopyrite 57 Ag g t 57 Significant Intersections 57 oz Au ton 57 limestone xenoliths 57 g t Au Ounces 57 biotite chlorite 57 sphalerite galena 57 Probable Reserve 57 #ppb Au [002] 57 ilmenites 57 anomalous Cu 57 Au Au 57 Cu Zn 57 Mineral Resource Statement 57 Inferred Resource Estimate 57 pyroxene 57 oxides REO 57 Lanthanum 57 silicification quartz 57 Au eqv 57 #.#/lb Pb 57 Near Surface 57 section #E [004] 57 #m@#.# % [007] 57 - -fascist regimes 57 #,#,# Ag eq 57 leucoxene 57 granitic pegmatite 57 Mlbs U#O# 57 Lagunas Norte Pierina 57 quartz arsenopyrite 57 #.# gpt silver 57 #.#g t Ag [003] 57 -Furniture Sharehouse 57 Cu Zn Ag 57 Aueq 57 t Au 57 tonnes@#.# g t Au [002] 57 #.#g t Au [003] 57 -OptiPlex FX# 57 Ounces produced 57 Au g tx 57 Golouma West 57 Copper Equivalence 57 gpt silver 57 chalcopyrite pyrite 57 #CBN 57 pyrite chalcopyrite sphalerite 57 -ALBANY NY AP/# WINS 57 fusion XRF 57 Dysprosium Dy 57 UTM UTM 57 @ #ppm U#O# 57 bastnasite 57 chalcocite mineralization 57 ion ion 57 #m@#.# % [003] 57 #m@#.#g t gold [002] 57 Rhenium Re 57 phlogopite 57 NQ diamond drill 57 -ActivClient 57 Sulfide 57 CONSUMER DISCRETIONARY 57 pyrite arsenopyrite 57 hypabyssal 57 Cu lb 57 #.#Mt grading [002] 57 -subsidiary Daihatsu Motor 57 niobium oxide 57 pyrite sphalerite 57 quartz ankerite 57 Au equivalence 57 Merensky Reef 57 -Genereaux 57 -Simeulue Island 57 GOODWILL #,#,# 57 Cyanidation 57 El Cafetal La Virgen 57 Zn Au 57 -Hisarcıklıoğlu 57 CaO 57 Mineralization Extended 57 % P#O# 57 ppm lithium 56 lanthanum oxide 56 #,#-#,# ft. Loc 56 ppm Ni 56 #g t Ag [002] 56 Fixed Remuneration 56 -Chateau Indage 56 #.#Mt [001] 56 arsenic antimony mercury 56 Grab Samples 56 ppm zinc 56 zinc conc 56 Pd Pt 56 INFERRED 56 - -Ascaron 56 Golouma South 56 Mbbl Mbbl 56 ZFDDH# 56 NaCN 56 Chalcocite 56 #g t [003] 56 Pivert East 56 - -DEA informant 56 scheelite 56 Gold equivalent AuEq 56 spodumene rich 56 % Cu #.#g/tAu 56 Sulphide mineralization 56 ppm U. 56 Dip Azimuth 56 metallic assays 56 - -Informed Consent 56 g/m3 56 Proved Proved 56 Zn Cu Ag 56 leachable copper 56 stringer sulphides 56 -MOSAID Technologies 56 Ag Cu Pb 56 chalcopyrite copper 56 samples assayed 56 KDH# [001] 56 Indicated mineral 56 tonnes@#.# % [001] 56 mineralizations 56 #.#m #.#m [003] 56 -Salon Rebecca Traister 56 1bbl 56 intersected #.#m [001] 56 carbonaceous mudstone 56 Volcanogenic Massive 56 gms tonne 56 Oxidized 56 Plus Probable 56 -Shankey 56 Ciresata deposit 56 -Joel bro Benji 56 Cu Au Mo 56 ft TW 56 mineralized pegmatite 56 Copper Mineralization 56 kimberlitic material 56 Anomalous 56 veinlet 56 intersected anomalous 56 +# micron 56 white petrolatum Ointment 56 MPD# 56 sulphide mineralization intersected 56 @ #.#g t [004] 56 Metallurgical recoveries 56 #m@#.# g t Au [005] 56 Initial Resource Estimate 56 Hole intersected 56 Gold Equivalent Ounces 56 quartz calcite 56 2Mtpa 56 Drilling Intercepts 56 alaskite 56 h g 56 downhole lengths 56 Chromite 56 TW VG Tell 56 Saprolite mafic intrusive 56 hematitic 56 - -stories contradicted Silsby 56 -about.me 56 Gupo Gold 56 actinolite 56 BRAZD 56 #m@#.# g t Au [001] 56 Ozs 56 tetrahedrite 56 High Grade Intercepts 56 Proven Mineral Reserves 56 Au Equivalent 56 Atomic Absorption 56 disseminated sphalerite 56 g t Ag Eq 56 Marge Vein 56 downhole intervals 56 Equivalent x 56 #m@#.#g t [002] 56 Oxides 56 -auroral oval 56 dunite 56 - -winger Colby Armstrong 56 Hole IKD 56 g t Gallium 56 m@#.# % 56 magnetite pyrite 56 Bracemac Zone 56 Probable 2P 56 LOAN ORIGINATIONS 56 As Sb Hg 56 cmg t 56 intercept grading 56 meters grading #.#g [001] 56 SMI LX 56 - -Anne Milling 56 #.#m TW 56 #.#g t [003] 56 hole HR# 56 anthracene 56 g t rhenium 56 MGZD# [002] 56 -adjacent Ubaydi 56 Pro forma adjusted EBITDA 56 Ag Cu Zn 56 -Gody 56 argentiferous 56 - -Vijitr 56 tons@#.# [001] 56 Banded Iron Formation 56 #m@#.#g t [003] 56 DDHs 56 galena sphalerite chalcopyrite 56 Mt@#.# g t Au [001] 56 Cu Mo 56 Million Tonne 56 Nb Ta 56 Netbacks 56 pegmatite hosted 56 ferro niobium 56 Ounces -Recipe Chicken 56 tg t 56 PdA Extension 56 Leachwell 56 Ciresata Porphyry 56 @ #.#g t [003] 56 Imputed Revenue 56 -Baralt 56 holes BR# 56 DDHC 56 #Moz 56 -Spout Springs Road 56 -AGEIA PhysX processor 56 NiS 56 tumor Oncophage 56 ankerite 56 quartz feldspar 56 -Osmanli 56 Au Cu 56 Tangible Equity annualized 56 MGZD# [001] 56 -Lightning goaltender Nikolai 56 #m@#.# g t Au [003] 56 wallrock 56 Kay Tanda 56 geochemical assay 56 % copper #.#g 56 g t Tantalum 56 cerium lanthanum 56 #mV V 56 MAG Silver Reports 56 Measured Indicated 56 HQ diameter 56 Hangingwall Zone 56 lanthanum cerium praseodymium neodymium 55 VVGD 55 Grams Tonne Gold 55 Introductory teaser rates 55 wireframed 55 BB# [002] 55 goethite hematite 55 ore grading 55 Animas vein 55 Volume Floor Ceiling 55 Osisko Intersects 55 Mineralised 55 del PIB 55 trioxide 55 Iron Titanium Vanadium 55 #m@#.#g t [006] 55 Drilling Intersects 55 Cu Ni Pt Pd 55 anomalous zinc 55 stringer mineralization 55 hole DDH# 55 drillhole intersected 55 monazite 55 Massive Sulfide 55 Interval m 55 saprolitic 55 Phosphates segment 55 leach extraction 55 breccias containing 55 Aircraft Movements 55 Massive Sulphides 55 tri acid digestion 55 Au Ag Pb Zn 55 mineralization assaying 55 Cobrecon 55 Eudialyte 55 samarium 55 CIM definitions 55 macrodiamonds 55 #.# - -Beart 55 chloritic 55 metres@#.# g t [001] 55 sulphide mineral 55 Proved Plus 55 EGD# 55 Inferred mineral resource 55 downhole depth 55 ppm eU 55 silver #.#g t 55 ozs Au 55 Confirms Significant 55 #.#g/tAu 55 rhenium Re 55 g t Niobium 55 - -Laemmle Sunset 5 55 -#.# log# 55 #.#g t gold [002] 55 El Creston Molybdenum 55 vein assayed 55 -Revolutionary Girl Utena 55 #m@#.# g t [004] 55 Gold Intersected 55 Kuriskova 55 pathfinder elements 55 anomalous concentrations 55 #.#kg t 55 3g t 55 #.#oz t [001] 55 3PGE + Au 55 intersected mineralized 55 WDD# 55 zinc Zn 55 CuEQ equals Cu 55 -Phranakorn Center 55 inferred ounces 55 tonnes@#.# % [003] 55 Cerium Lanthanum 55 Anomalous gold 55 veins stockworks 55 cake Mah Karn 55 outcrop samples 55 -SatMAX R 55 leach recoveries 55 SiO 2 55 vein stockworks 55 m downhole 55 hole FL# 55 Felsic 55 metres@#.# % [001] 55 Mbbls 55 Abilab 55 KBDD# 55 Footwall Zone 55 Anomalous values 55 oz Ag 55 Bisha Main 55 -PC DMIS 55 Ag Eq Oz 55 anomalous Au 55 Aleck Hill 55 Dios Padre 55 Au Ag Cu Zn 55 heap leach recoveries 55 vein widths 55 tuffaceous 55 anomalous REE 55 Au Pt 55 WIDTH 55 4E PGM 55 Reverse Circulation 55 adhoc = 55 #.#/oz Ag [001] 55 Ag OG# 55 peridotitic 55 eudialyte 55 Onkelo 55 pyrite pyrrhotite 55 Infill Drilling 55 basal till 55 -Shadowbend Place 55 #.#g t Au [005] 55 BOEd 55 Stockwork 55 Significant assay 55 Funded Debt 55 hydrothermal magnetite 55 Europium 55 Amun Deeps 55 Ni Cu PGM 55 quartz stockworks 55 mineralized intercepts 55 Incr 55 ppm ppm ppm ppm 55 REE Y Zr 55 Aguila Cu Mo 55 REE minerals 55 #.#g t Au [001] 55 -Routledge #/#/# 55 % Li2O 55 Mg Li 55 -Microsoft Expression Blend 55 Fazenda Brasileiro Mine 55 True Widths 55 -precipitous pullout 55 albite 55 quartz sericite pyrite 55 Grade oz ton 55 Au AA# 55 dickite 55 ppm antimony 55 downhole gamma probe 55 holes IKD