sea ie i :350,ooo · i eo m i nphase and -quadrature of coaxial co i l is greate thar n 5 pptn 1 0...

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2»02O < Sea Ie I :350,ooo Tree/Ined Lake 52L/T.2.7.S 94°30' FLIGHT LINES WITH EM ANOMALIES FlIght dlrectIon FI Ight l i n e number 1 1020 t_ • Reflight Number • L i n e Number - Area Number Fiduclals Idenllfled on profiles Dip d1rectI on EM anomaly Csee EM legend) Conductor axis Con EM maps only) Arcs indicate the conductor has a thicknes» > 1Om Mognetic correlatton in nT (gamma») Grade Anomaly Conductance 7 # £tOO siemens t tt 50-100 siemens 5 Q 20-50 siemens 4 $ 10-20 siemens 3 0 5-10 siemens 2 O 1-5 s Iemens 1 <1 s Iemen ^ Questionable anomaly AnomaI y IdentIf fer InterpretIVe / symbol CIH. Depth Is- greater than 1 5 m • 30 m ! 45 m i eo m I nphase and -Quadrature of coaxial col I Is greater than 5 pptn 1 0 ppm 15 ppm 20 ppm 1 nterpretIve symbol Conductor ('model') B. Bedrock conductor D. Narrow bedrock conductor ( "thin dike"» S . Conduct Ive cover ('horizontal thin sheet'J H. Broad conductive rock unit, deep conductive weathering, thick conductive cover ('half space'i E. Edge of broad conductor ( "edge of ho If space' ) L. Culture, e.g. power line, bulId)nq. fence RESISTIVITY CONTOUR LEVELS 1000- Û00 600 ' 500 400 • 300 250 • 200 1 50 • 1 25 100 • Contours tn ohm-m at 10 Intervals per decade 2. 12?80 CHAMPION BEAR RESOURCES LTD. HELDER LAKE 1889 RESISTIVITY (7200 Hz) DI GHEM 'V SURVEY DATE : MAY 1969 NTS: 52L JOB: 1063 GEÛPHYSICIST "^ZP SHEET: 1-5 DIGHEM SURVEYS 4 PROCESSING INC 2 Km Sea Ie 1 : 20000

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  • 2»02O <

    Sea Ie I : 3 5 0 , o o o

    Tree/ Ined Lake

    52L/T .2 .7 .S 94°30'

    F L I G H T L I N E S W I T H E M A N O M A L I E S

    F l I g h t d l r e c t I o n F I Ight l i n e number

    1 1020 t _ • R e f l i g h t Number

    • L i ne Number - Area Number

    F i d u c l a l s I d e n l l f l e d on p r o f i l e s Dip d1rec t I on

    EM anomaly Csee EM legend) Conductor a x i s Con EM maps o n l y )

    Arcs i nd i c a t e the conductor has a th icknes» > 1Om

    Mognetic c o r r e l a t t o n in nT (gamma»)

    Grade Anomaly Conductance 7 # £tOO siemens t tt 50-100 siemens 5 Q 20-50 siemens 4 $ 10-20 siemens 3 0 5-10 siemens 2 O 1-5 s Iemens 1