Devex Resources Ltd · ASX:DEV
Devex Resources — Uranium Equities — AusIMM International Uranium Conference 2009
22 slides from Devex Resources's conference presentation, Jun 10, 2009
Slide 1: ASX cover letter for AusIMM conference presentation
29 June 2009 Australian Securities Exchange Limited Exchange Plaza 2 The Esplanade PERTH WA 6000 Attn: The Manager – Companies Dear Sir, Attached is a technical presentation which was presented at the AusIMM International Uranium conference in Darwin on 10 – 11th June 2009. • Nabarlek – New Explorat
Slide 2: Nabarlek - New Exploration Results and Perspectives
Nabarlek N b l k- New Exploration Results and P Perspectives i G Williamson, A Marsland-Smith and D Brunt Uranium Equities Limited (ASX:UEQ) Presenter: David Brunt AusIMM International Uranium Conference 2009 Darwin 10th June 2009 1
Slide 3: Disclaimer & Competent Persons Statement
Disclaimer & Competent Persons Statement Statement Forward Looking Statements This Presentation may include statements that could be deemed “forward-looking statements”. Although the Company believes the expectations t ti expressedd iin such h forward-looking f d l ki statements t t t are based b
Slide 4: Nabarlek - Location & the ARUF
Nabarlek - Location & the ARUF
Slide 5: Nabarlek History
Nabarlek History y Nabarlek Mine 1988 Nabarlek Minesite 2008 Discovered as a prominent airborne radiometric anomaly by QML – June 1970 Open cut mining completed over 4 months in 1979; ore milled 1980-1988 Mined and stockpiled 546,437t of ore grading 1.84% U3O8 and 157,000t of below grade ore o
Slide 6: Arnhem Land Exploration History
Nabarlek & Arnhem Land Exploration l i History i 160.00 1968 ARUF Source: The Ux Consulting Company, LLC http://www.uxc.com/ exploration begins 140.00 1969-72 DISCOVERY Ranger, Koongarra, Jabiluka, Nabarlek 120.00 1988-1989 QML: Radiometrics, $U3O8 100.00 Trenching, Drilling etc – 12 prospects First
Slide 7: Unconformity Model
Unconformity Model EXPLORATION TECHNIQUES (Modified after CUNEY et al., 2000) Ai b Airborne EM tto map graphitic hiti conductors d t ((successful f l iin C Canada, d nott so/yet / t iin A Australia) t li ) Absence of highly graphitic host rocks at Nabarlek Conductive overburden ? distorts EM signals
Slide 8: Nabarlek Area – Geology, Structure and Rock Unit relationships
Nabarlek Area – Geology, Structure and Rock Unit relationships
Slide 9: Nabarlek Area – Sections
Nabarlek Area – Sections Long Section from SMLB Prospect ( (uranium mineralisation in metamorphics beneath Unconformity to N147 along the Gabo Shear in dolerite Cross Section through Nabarlek and the dolerite
Slide 10: Nabarlek ML - Long Section
= URANIUM EQUITIES SSE | Nabarlek ML SMLB Prospect | WWW .UEL.COM.AU
Slide 11: Nabarlek - Cross Section
Nabarlek - Cross Section Be eax “wsw. Displacement \Shear & Structure and Mineralisation [1 Oenpelli Dolerite Sandstone 1) Myra Metamorphics ES Nabarlek Granite WWW .UEL.COM.AU S Green Ant ~ Shear Nabarlek Shear
Slide 12: N147 Prospect
N147 Prospect A Dolerite mineralised just outside the ML boundary at N147 (200m x 50m mineralised zone and open in both directions) Mi Mineralised li d intercepts i t t 36.2m @ 0.172% eU3O8 from 108.2m 14.5m @ 0.224% eU3O8 from 116.9m 23.4m @ 0.138% eU3O8 from 117.1m Ref: Uranium Equities ASX Releas
Slide 13: Nabarlek Area – geochemical exploration anomalies
Nabarlek Area – geochemical exploration l i anomalies li Grid RC & AC geochemical drilling in areas defined in blue - along key structures t t Bedrock & regolith sampling for U using portable XRF Mapped pp as anomalies >100 GT (ppm U3O8 x m) Ref: Uranium Equities ASX Release 27th November 2008
Slide 14: Geochemical exploration results
Geochemical exploration results Detail il SE S off Nabarlek b l k Strong correlation with N147 Outstanding geochemical results at shallow depths p – Coopers p Prospect Ref: Uranium Equities ASX Release 25th September 2008
Slide 15: Nabarlek ML airborne radiometric image
Nabarlek ML airborne i b radiometric di i image i Red R d=UU; Green G = Th Blue = K Strong radiometric evidence of ponds, pit, plant areas, camp and roads Also note anomalies tested by earlier QML grid drilling
Slide 16: Effectiveness of historical geochemical sampling
Effectiveness of historical geochemical sampling Bottom of hole Systematic sampling sample l method th d using Niton Cover U dispersion halo U B Basement t Many shallow drillholes (<30m) failed to reach cover/basement interface or basement sequences. Geochemical sampling of most drillholes was r
Slide 17: Nabarlek ML Depth of historical drilling
Nabarlek ML Depth h off historical hi i l drilling d illi IImage summarisingi i depth of drilling blue – shallow drilling green – deeper d 901 drill holes – RC, AC ddh core, perc AC, 643 drillholes (71.3%) < 30m deep 90 holes > 100m 8 holes > 200m
Slide 18: Highlights - 2008 Exploration Programme
Highlights - 2008 Exploration Programme Ore grades and wide-spread anomalous uranium in 2008 drilling programmes confirm the presence of large mineral systems Nabarlek ML: Limited drilling was completed late in the field season. season Geochemical exploration drilling confined mainly to ponds, p
Slide 19: Nabarlek ML Exploration perspectives/concepts
Nabarlek ML E l Exploration ti perspectives/concepts ti / t Four styles of mineralisation Unconformity-related obscured by alluvium, soil or sandstone cover. e.g. SMLB Prospect Dolerite-hosted mineralisation. e.g. N147 y style Basement-hosted mineralisation in structures displaced by emplacement of
Slide 20: Nabarlek Exploration 'Nabarlek Deeps' concept
Nabarlek Exploration ‘Nabarlek ‘N b l k DDeeps’’ conceptt Ranger Ranger 3 Deeps Recent recognition of strong structural control independent of the unconformity. 30,000-40,000t , , of contained U3O8 estimated extension of Ranger 3 ore - 250-500m from surface#. Concept not tested in the Nabarlek ML #R
Slide 21: Summary
Summary ARUF - focus of exploration since the late 1960s; Exploration largely driven by geophysical surveys with airborne radiometrics the key initial discovery tool Nabarlek - limited exploration since initial discovery - unsuccessful to date in locating substantial additional mineralisation Yet –
Slide 22: Thank you
“Nabarlek - New Exploration Results R lt and dPPerspectives” ti ” Thank you
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