nolans bore geology i

Arafura Resources NL – Exploration DivisionINTRODUCTION TO THE GEOLOGY OF THENOLANS BORE REE/P/U DEPOSITbyJohn Goulevitch BSc(Hons) MSc FAIGBASED ONTECHNICAL REPORTS EPL-99/101,EPL- 00/124, 01/131, 04/161, 05/177EXPLOREMIN PTY LTD6 Porter Street, Darwin 0820Ph/Fax 61 (0)8 89413793E-mail: goulepl@ozemail.com.au&SEM STUDY OF NOLANS BORESAMPLESByRachael TrautmanResearch OfficerANSTO, Lucas HeightsNolan’s Bore Prospect October. 2005

NOLANS BORE REE DEPOSITPresentation ContentI - EXPLORATION & RESOURCESII – GEOLOGYIII - MINERALOGY

NOLAN’S BORE LOCATION

NOLANS BORE REE DEPOSITI - EXPLORATION & RESOURCESII – GEOLOGYIII - MINERALOGY

NOLANS BORE EXPLORATIONARAFURA RESOURCES NL 1999-2006• 1999 - COMPREHENSIVE SURFACE CHIP SAMPLING - 32 SAMPLESAVERAGE ABOUT 7% TOTAL REE• 2000 - 890 M OF COSTEANING AND 9 PITS, MAPPING & SAMPLING• 2001 - 856 M OF RC DRILLING IN 12 RC HOLES. MAX 96 M EOH.• 2004 – 1525 M OF RC DRILLING IN 20 HOLES AND 571 M CORE DRILLINGIN 5 HOLES (INCL NTGS CORE HOLE). MAX 120 M EOH.• 2005 – 7532 M RC DRILLING IN 58 HOLES AND 1038 M CORE DRILLINGIN 12 HOLES (INCLUDING EXTENSIONS). MAX 241 M EOH.• 2005 – GEOLOGICAL MAPPING 3 KM RADIUS• 2006 – 3500 M RC DRILLING PROGRAM CURRENTLY UNDERWAY

NOLAN’S BORE IDENTIFIEDMINERAL RESOURCES21/11/05 (JORC Compliant)MTREO%REO (kt)P 2 O 5 %U 3 O 8lb/tHigh grade3.94.417418.30.70Mediumgrade6.62.415811.10.37TotalIndicated10.53.133213.80.50TotalInferred8.13.024514.30.43TOTAL18.63.157714.00.47

NOLANS BORE REE DEPOSITI - EXPLORATION & RESOURCESII – GEOLOGYa) Settingb) Mineralisationc) Host rocksIII - MINERALOGY

NOLANS BORE REGIONAL GEOLOGYLander Rock0 12.5 25kmHARVERSONPASSREEMt FinnisEL 9672CuFeFe2230' SDarwinCuCuMt FreelingREEMt BoothbyWREEAILERONELa 22384Project LocationNOLAN'S BORE - REELEGENDPredominantly alluvial covered Arunta Blockmetamorphics, including Lander Rock BedsPredominantly outcropping Arunta BlockmetamorphicsPredominantly granitic intrusionsEL 9672Harrys Yard

NOLAN’S BORE BASEMENT GEOLOGY

NOLAN’S BORE BASEMENTGEOLOGY AND LOCAL PROSPECTS

NOLAN’S BORE RESOURCE ZONES ANDLOCAL PROSPECTS (View to SW)Steinert ZoneGouli 1 ZoneNORTH ZONE14.3 MTGouli 2 Zone# Racic’s Bore# Nolan’s BoreFox ZoneSOUTH ZONE4.3 MT

NOLAN’S BORE INTERP FAP BANDS

0NOLAN’S BORE SCHEMATICINTERPRETATION NORTH ZONE50100150NBRC016NBC04NBRC001NBDH037NBRC002EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEENOLAN'SEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEBORE - WEST ZONEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEESCHEMATIC EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEGEOLOGY SECTIONE EEEEEEE EE E?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEGEOLOGICAL LEGENDEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEGneissCentral Mylonite ZoneEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEMassive Fluorapatite BandEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEStockwork FluorapatiteEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEFootwall/Hangingwall GneissEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE0 16 32 48EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEScale 1:800EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEINTERDEXEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE650 650E EEE EEEEEEEEEEEEEEEEEEEEHANGINGWALL GNEISS600 600MAIN MINERALISED ZONE????????????FOOTWALL GRANITIC GNEISS550 550050100150


NOLAN’S BORE FLUORAPATITEDiscovery Outcrops

NOLAN’S BORE FLUORAPATITEMeso-textures IEuhedral & anhedral FAPmegacrysts in microxtallineFAP matrixCrackle/mosaic brecciatedFAP megacrysts inmicroxtalline FAP matrixCorroded & brecciatedzoned FAP megacrysts inmicroxtalline FAP matrixCrackle/mosaic brecciatedzoned FAP megacrysts inmicroxtalline FAP matrix

NOLAN’S BORE FLUORAPATITEMeso-textures IIEuhedral & anhedral FAP megacrystsAND unicrystalline breccia clasts inmicroxtalline FAP matrix

NOLAN’S BORE FLUORAPATITEStockwork veins & alterationFluorapatite incalc-silicateNBC03Fluorapatite incalc-silicateNBC03Kaolinisedgneissicgranite NBC04Cheralite-kaolinitequartzmineralisationNBC04

NOLANS BORE FLUORAPATITEMain Mineral Zone - Massive Fluorapatite

NOLANS BORE FLUORAPATITEMain Mineralised Zone - MyloniteStockwork Fluorapatite, , Kaolinised Mylonite

NOLANS BORE FLUORAPATITEFootwall Gneiss - Stockwork Fluorapatite

NOLANS BORE FLUORAPATITEBandsHanging Wall Gneiss - Fluorapatite Bands

NOLANS BORE FLUORAPATITELREE EnrichmentRkChpNBC04-1NBC04-2NBC06Average of 32 surface rock chip samples, 1999Length weighted average 35.1-69.5 metres (34.4 metres) costean NBC04, 2000Length weighted average 95-109 metres (14 metres) costean NBC04, 2000Length weighted average 31.8-41 metres (9.2 metres) costean NBC06, 2000

NOLANS BORE FLUORAPATITEREE ComparisonsCOMPARATIVE RARE EARTH CONTENTS OF SELECTED DEPOSITS(100% REO BASIS)NB-Ap%/TotalOxKHB-Ap%/TotalOxMP-Bas%/TotalOxBO-Bas%/TotalOxWA-Mon%/TotalOxMW-Mon%/TotalOxCeDyErEuGdHoLaLuNdPrSmTbTmYbY47.770.340.110.451.150.0519.510.0120.555.982.450.110.010.061.4545.001.100.200.552.000.1027.0014.505.001.500.150.103.0049.10trtr0.100.20tr33.20tr12.004.340.80trtrtr0.1050.000.100.20tr0.70tr23.00tr18.506.200.800.10trtrtr46.000.700.200.051.490.0523.90tr17.405.002.530.350.040.102.4051.000.200.400.201.000.1026.00tr15.004.001.800.10tr0.10trSum100100100100100100Ap - ApatiteBas - BastnasiteMon - MonaziteNB - Nolans BoreKHB - Khibini, RussiaMP - Mountain Pass, California, USABO - Bayan Obo, Inner Mongolia, ChinaWA - Nth Capel, Western AustraliaMW - Mt Weld, Western Asstralia

NOLANS BORE GEOLOGY I• REE MINERALISATION IS IN TWO DISCRETE ZONES• NORTH ZONE 900x350 M• SOUTH ZONE 1000x700 METRES• CENTRAL PART OF DEPOSIT COVERED BY 500 METRE WIDE BELT OFCALCRETE AND ALLUVIUM (PALAEOCHANNEL)• SWARMS OF FLUORAPATITE BANDS (?VEINS/?DYKES) HOST MOST OFTHE REE MINERALISATION IN EACH ZONE• FLUORAPATITE BANDS ARE 0.5-35 METRES THICK, 10s TO 100s OFMETRES LONG & EXTEND >200 METRES BELOW THE SURFACE• MASSIVE FLUORAPATITE BANDS DIP 60-80 DEGREES NW• LESSER FLUORAPATITE MINERALISATION OCCURS IN IRREGULARSTOCKWORK VEINS IN MYLONITE ZONE AND FOOTWALL GNEISSICGRANITE• HOST ROCKS INCLUDE GNEISSIC GRANITE (MT BOOTHBYORTHOGNEISS), FELSIC AND MAFIC GNEISS (LANDER ROCK BEDS),GRANITE/PEGMATITE, MYLONITE

NOLANS BORE GEOLOGY IIMineralisation• HIGH REE GRADE (7-9% REE) & LOW U GRADE (0.05-0.06% 0.06% U)CONFIRMED IN ALL FLUORAPATITE BANDS• FLUORAPATITE IS VERY COARSELY CRYSTALLINE ANDBRECCIATED IN MOST, IF NOT ALL, BANDS• SOME BANDS DISPLAY A ‘PORPHYRITIC’ TEXTURE WITH EUHEDRALFLUORAPATITE MEGACRYSTS TO 10 CM IN MICROCRYSTALLINEFLUORAPATITE MATRIX• 25-30% OF REE HOSTED IN FLUORAPATITE, 65-70% BY CHERALITEMICROVEINLETS IN FLUORAPATITE, 5% BY MASSIVE CHERALITEZONES (?VEINS, SHEARS)• THE REEs ARE DOMINATED BY Ce La Nd and Pr (LREE ENRICHED) -THESE COMPRISE ABOUT 94% OF TOTAL REE

NOLANS BORE GEOLOGY IIIFluorapatite Relationships• MASSIVE FLUORAPATITE BANDS DISPLAY SHARP CURVIPLANARCONTACTS WITH HOST ROCKS• MASSIVE FLUORAPATITE DYKES DISPLAY NO INTERNAL ZONINGAND NO MINERAL ALIGNMENT• FLUORAPATITE TRANSGRESSES METAMORPHIC FABRIC IN HOSTROCKS - FABRIC DIPS STEEPLY NNE• STRONGEST FLUORAPATITE DEVELOPMENTS ARE SPATIALLYASSOCIATED KAOLINISED N-DIPPING NMYLONITE ZONE• FLUORAPATITE VEINS/BANDS TRANSGRESS MYLONITE TREND ANDFOLIATION• FLUORAPATITE MINERALISATION AND ASSOCIATED ALTERATIONOCCURS IN LATE GRANITIC PEGMATITES



NOLANS BORE HOST ROCKS IGneissic granite – Mt Boothby Orthogneiss


NOLANS BORE HOST ROCKS IICordierite-Magnetite Psammopelitic GneissLander Rock Beds (North)


NOLANS BORE HOST ROCKS IIIMica Schist & Gneiss, QuartziteLander Rock Beds (South)


NOLANS BORE HOST ROCKS IVSouthern Migmatite gneiss – ?Napperby Gneiss

NOLANS BORE HOST ROCKS VGranitic Pegmatite

NOLANS BORE REE DEPOSITI - EXPLORATION & RESOURCESII – GEOLOGYIII – MINERALOGYSCANNING ELECTRON MICROSCOPE BACKSCATTER IMAGESbyRACHAEL TRAUTMAN ANSTO, 2001

NOLAN’S BORE FLUORAPATITESEM Micro-textures I – Fluorapatite variations

NOLAN’S BORE FLUORAPATITESEM Micro-textures II – Fluorapatite BrecciationCrackle/mosaic/rubble brecciation offluorapatite with infill by cheralite-Ceand cheralite-La

NOLAN’S BORE FLUORAPATITESEM Micro-textures III – Cheralite-Ce/La1. Corrosion of fluorapatite -infill by massive cheralite-La2. Corrosion of cheralite andfluorapatite - infill bycolloform cheralite-Ce

NOLAN’S BORE FLUORAPATITESEM Micro-textures IV - Monazite

NOLAN’S BORE FLUORAPATITESEM Micro-textures V- Bastnaesite

Arafura Resources NL – Exploration DivisionINTRODUCTION TO THE GEOLOGY OF THENOLANS BORE REE/P/U DEPOSITbyJohn Goulevitch BSc(Hons) MSc FAIGENDNolan’s Bore

nolans bore geology i

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