Bergvesenet Postbeks 3021, 7002 Trendheim Rapportarkivet Bergvesenetrapport nr InternJournalnr Interntartiv nr Rappon lokalisering Gradering BV 318 886119ØB Trondheim APen Kommerfra..arkW Eksternrapportnr Oversendtfra Fortroligpga Fortroligfra dato: Østlandske Sul 223-72-13 Tittel Diamonddrilling at Vesle Tronnickel showing,alvdal Forfatter Hovland, Roar Dato ( 1972 Bedrift Sulfidmalm A/S Kommune Alvdal Fylke Bergdistrikt Hedmark Østlandske 1: SO000 kartblad 1: 250 000 kartblad Fagområde Dokumenttype Forekomster Boring Vesle Tron Råstofftype Emneord Malm/metall Ni Cu Sammendrag
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FOilFALCONB2IWE A/S SULPIDALM PROJECT905-13 DIAMODMDKILING AT VE3LE,T2ON - ALVDAL:0 2, ir7.11):'arrt:: FiLJC., Reportnr. 23- U-13
1. INTRODUCTION VesleTron Ni-shovingis locatedenst of Tronfjell,neorTynset villagein centralnorway. The prospectinework donehers in 1971,including elophysical measuroments,geologicalmapping and soil enmrling,resultedin nevern1tnreetsfor follow-up work. (report126-71-13) FOLLOW-UPWORK DONEIN AUGUST The most promisingtarget,anomaly15 in report126-71-13 (mnp905-13-71-7)was drilled. FourWinkie drillholeswere drilledwith a totallengthof 103.68m. The area nroundthe bic geochemicalanomaly(anomaly8) was prospectedin detail and measuredwithv.l.f.-em. Results The dinmonddrillingshowothatnnomaly15 is caucedby a. brocciptedzonein the gnbbrowhichcprriesveinsand large pntchosof pyrrhotiteand chalcopyrite.the widthof the zone seemoto vnrjbetween6 nad 16 m. HOLE1 1 W-208 60 IrLENGTH16.u0n) Sulphide,minornlizntion from1.0-3.40m, assaying0.16%ni, 0.21%Cu and 2.60%S. NOLE 2 (19E-283 I LEMGTH-6.80m) This hole indientnetho easternend of the cp, po mineralized broccia-zone.gnly nmallamountsof sulphidesvere observed (<0.0521Ni, 0.10)Cu, 0.55%S from14.2-16.0m). HGLE W-18S 1 S LENGTH2 0 m) Visiblesulphide-minernlizntion from13 to 22.0 m. From15m to.21.0,one hns an tiverneof 0.11%Ni, 0.20%Cu and 2.45%S. nou 8W-1 S ()S LFNGTH26. 8 m) Sulphideminornlizntionfromd.70-23.0mof cimilprkind as in hole1 and hole 3, This holeis not nssayedbut the mineralized zonevill probnblyshow the snmeresultsns hole 1 end hole3 (0.1%Ni-0.4:Cu).../2
Near theteochcmicn1anomnly(anomoly8) the V.L.F.-EMmeasuremontsindicatea conductorsimilnrto the drilledone (anomaly 15). The very high soil samplevnlues(max751 ppm Ni) in one of the profilesis cnucedby the vontheringof duniteboulders comingfromthe Tronfjell acsive. 4. CONCLUSIONS- heccm-endptions The drilledanomnly(anomaly15) chowsa mineralizodzonewith an nveragewidthof about10m, and thiszoneic followedmore than100m in strikedirectionwith the drillholes. With a densityof 3.0 in the mineralizedzone,one wouldget 3000 t of "ore"pr. verticalm, assaying0.1% Ni and 0.2% Cu. The V.L.F. conductor,neor nnomnly8, indientesanothorpossiblopo, cp mineralizationof nt lenstsimilnrsize. In thisarea,ono couldthereforehnve poccibilitiesto provegomomillionsof tons of "ore"assaying.0.1%ni and O.2X Cu. With the bad rntiobetwoonn and Sni1/20 it would,however,be difficul to get a concentrateassnyin more thnn1-1,5%ni. This indicatesthat only Cu can bo rogyrdedns an intoroctingelementin the mineralizntion. Even if the "ore"potential"seemspromising,the low Cu-grnde wouldmnke any miningoporntionuneconomicnl,and it is thoreforerocommendedthntno morework chouldbe done on this property. Our clnimscan howeverbo maintained. Drillrecordsnnd nssayresultsare ottochedto thisreport tozetherwith n V.L.F.-EMmap and drillhole profiles.
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