Australian Gold & Copper Ltd. · ASX:AGC
Australian Gold & Copper — Technical Presentation (September 2023)
39 slides from Australian Gold & Copper's technical presentation, Sep 27, 2023
Slide 1: Technical Update for geohug: From Belt Scale to Mineral Discovery
For personal use only Technical Update for geohug From Belt Scale to Mineral Discovery Glen Diemar, Denis Ryskal, Ross Faichney, Jack Corbett ASX: AGC 27 September 2023
Slide 2: Disclaimer and Compliance Statement
Disclaimer and Compliance Statement This presentation has been prepared by Australian Gold and Copper Ltd (“AGC”). The information contained in this presentation is a involve unknown risks and uncertainties, as well as other factors which are beyond the control of Australian Gold and Copper Ltd. Act
Slide 3: Thank God for the cartoonists who simplify our lives into pictures
Thank God for the cartoonists who simplify our lives into pictures For personal use only Source: Unknown?
Slide 4: Cobar History
For personal use only Cobar History 4
Slide 5: History of 'Kubbur' meaning Waterhole
History of ‘Kubbur’ meaning Waterhole 1842 1846 South Aust mines opended Kapunda, Burra, Kanmantoo, Strathalbyn For personal use only 1850-1860 Victorian Gold Rush and Population boom Great Cobar copper mine & Central NSW smelting operation, 1908 • By 1860, thriving pastoral industry along Darling R
Slide 6: Cobar Superbasin – Mining History
Cobar Superbasin – Mining History For personal use only Copper-gold period,1869-1921 • Great Cobar • New Cobar • CSA Mine • Chesney Great Cobar Copper Mine, 90 fathom level, Cobar • Mt Boppy • Mt Hope • Creamy Hills Gold period, 1935-1952 • New Occidental Modern Mining - polymetallic period, 1962-pr
Slide 7: Cobar Discovery Methods
For personal use only Cobar Discovery Methods 7
Slide 8: Primary search method used at discoveries in Australia: 1900-2012
For personal use only Primary search method used at the discoveries (>0.1 Mt Cu-eq) in Australia: 1900-2012 ie What method was used to decide where Percentage of total discoveries to 100% na | | TY @ Serendipity m Prospector 80% Other Visual 60% Conceptual/Geological Geological Mapping 40% + Extrapo
Slide 9: Base-Metal Deposit Discovery Methods
Base-Metal Deposit Discovery Methods Outcropping Sub-cropping geochemistry For personal use only Old workings Cobar Deposits Other Deposits Southern Nights Bowdens Wirlong Woodlawn Recent McPhillamys Mallee Bull Kempfield Hera Rosebery Elura Hellyer CSA deposit AGC’s Approach Lewis Ponds at South Co
Slide 10: Soil Sampling – In Lead+Arsenic+Antimony we Trust
Soil Sampling – “In Lead+Arsenic+Antimony we Trust” pH Scale For personal use only Highly Soluble Zn = Off on holiday Cu = I am just here to fool This chart says: you because it makes me How much Zn laugh to see Geologists Cu Pb can wasting money dissolve in water and disperse away from oxidizing mi
Slide 11: Elura Discovery (1972-1974) by Electrolytic Zinc Co
Elura Discovery (1972-1974) by Electrolytic Zinc Co Magnetics Lead in Soils, IP and Gravity For personal use only * Aerial Magnetics (1972) • Ranked 5th out of 25 mag anomalies • 11th to be followed up with magnetic modelling, but only one that wasn’t paleochannel maghemite Ground magnetics (1973) G
Slide 12: Elura Deposit: Deposit Geometry
Elura Deposit: Deposit Geometry LONG SECTION ELURA DEPOSIT SW CROSS SECTION ELURA DEPOSIT SW For personal use only cross section Main Lode Dimensions still incredibly small footprint Deep Lode Dimensions 100m x 30m 500m deep x 400m long x 30m wide (that isn’t very big) Global Resources* 45Mt @ 8.6%
Slide 13: Federation – Discovery by Pb soils, IP and Drilling
Federation – Discovery by Pb soils >80ppm, IP and Drilling Lead in Soils & IP Geophysics For personal use only Refer ASX AMI Release ‘Group Exploration Update’ 4 September 2019 *FDD086: 21.6m at 45% Pb+Zn and 32g/t Au 13 *FDD086 results Refer ASX AMI Release ‘Federation Exploration Update’ 13 August
Slide 14: Hera Discovery
Hera Discovery Hera Au-base-metal mine discovered by lead *Discovery Hole For personal use only geochem and then drilling + EM conductors 8.6m at 26.6g/t Au, 70g/t Ag, 1.8% Cu, 10.9% Pb, 7.0% Zn from 371.4m 14 *Source: 2017 Ian Cooper, “Finding Hera” pptx 2017 CWEDG
Slide 15: Cobar Exploration Guidebook
Cobar Exploration Guidebook General Rules For personal use only Geology Geophysics Rules • Lith and structural mapping (where possible) • Gravity highs caused from sap-rock “topographic” highs caused by quartz alteration being more resistive to weathering • Find Hills: quartz alteration = topo rises
Slide 16: South Cobar – Aust Gold Copper Ltd
For personal use only South Cobar Aust Gold Copper Ltd 16
Slide 17: Southern Cobar Project: Five New Drill Targets
Southern Strong discoveryCobar Project potential, Five New Drill Targets South Cobar Project Moorefield Project Gundagai Project AGC’s District 3 New Drill Targets For personal use only Defining a New District 4&5 The Cobar Basin Belt has Three Districts District 1 Mature Mines 1 District 1: Mature
Slide 18: Flanking S-Type Silurian Granites
Flanking S-Type Silurian Granites Fertile A & I Type Devonian Granites (Rarely Exposed) For personal use only 2021 Fitzherbert Downes Nyora A-type granite (419Ma) 18 CODES Alt volc rocks GSNSW GSNSW
Slide 19: Basin Rift, Sag and Inversion Phases
Basin Rift Phase 420-415 Ma Basin Sag Phase 410-400 Ma Inversion Phase 390-380 Ma Formation of marginal growth faults, Continuous subsidence and deposition Compression, reactivation of growth rapid terrain subsidence, Basin digenesis and dewatering faults and formation of thrust faults. sedimentatio
Slide 20: Structures
Structures A For personal use only Woorara Fault Achilles – Kilparney Fault A 20 GSNSW 3D Structural Model of Cobar Basin CODES Alt volc rocks
Slide 21: Rhyolites – Large Felsics
Rhyolites – Large Felsics (Ural Volcanics @ Lake Carg) cf. Iberian Pyrite Belt (Spain), Mount Reed Volcanics (Tas) For personal use only Silicified fiamme Bx with Flow banding chlorite, pyrrohtite and fluorite 21 CODES Alt volc rocks
Slide 22: Halogen Rich Magmas – Fluorite in groundmass
Halogen Rich Magmas – Fluorite in groundmass For personal use only 22
Slide 23: Turbiditic Mudstones – Find the right stratigraphy
Turbiditic Mudstones – Find the right stratigraphy Achilles Achilles Petrography by Carol Simpson October 2022 “The samples in this group are interpreted to be Cobar TS For personal use only Basin turbidites of quartz-sedimentary lithic provenance. Basin rocks in the Achilles area have been grouped
Slide 24: Achilles Target
Achilles South Cobar Project Moorefield Project Gundagai Project For personal use only Achilles Target Located 20km Northwest of Lake Cargelligo Drilling resulted in extensive elevated Cu Pb Zn1 5m @ 4.9% Pb+Zn, 0.3% Cu 4g/t Ag from 89m (A3RC0004)1 inc 1m @ 10.6% Pb+Zn, 1.4% Cu, 12g/t Ag from 89m 85
Slide 25: Achilles: What we see as important
Achilles South Cobar Project Moorefield Project Gundagai Project For personal use only What we see as important On the district - prospect scale Favourable stratigraphy (Turbitide – volcanic contact) Permeable vs impermeable facies Major mylonite zones (typically not prospective) Second order faulti
Slide 26: Rock Types vs Alteration: Strengthens east and south
Rock Types vs Alteration: Strengthens east and south Rocks Alteration For personal use only Strongest alteration (phen-ill-musc) and Eastern rhyolites (pink- mineralisation purple) are intensely OPEN TO THE NORTH, sericite (phen-ill-musc) EAST AND SOUTH altered and mineralised Western dacite (red) a
Slide 27: Mineralisation and Pathfinders: Relative to Rock Types
Mineralisation and Pathfinders: Relative to Rock Types Favours the eastern rhyolite volcs Pb Cu Zn For personal use only Au Sediments least mineralised and act as a trap cf Wagga Tank 27
Slide 28: Alteration: Highest Copper within Strongest Alteration
Alteration: Highest Copper within Strongest Alteration Follow the zones of highest alteration towards the Massive Sulfide For personal use only Majority of >0.1% Copper located in the strongest phyllic alteration (phen-musc-illite-kspar) Big bubbles equals high copper Inner sericite Cu Outer sericit
Slide 29: Achilles A3DD001 Chalcopyrite developing in alteration
Achilles A3DD001 Chalcopyrite (Cu) developing in Qtz-phengite-illite-muscovite alteration For personal use only Chalcopyrite @ 214.6m Chalcocite after cpy 220m Chalcopyrite @ 420m29 3Refer ASX AGC Release ‘Exploration Update’ dated 15th Sept 2021
Slide 30: Achilles A3DD001 Galena & Sphalerite developing
Achilles A3DD001 Galena (Pb) & Sphalerite (Zn) developing in Qtz phengite-illite-muscovite alteration For personal use only Red Sphalerite – Galena at 123m Orange Sphalerite Replacement 30 3Refer ASX AGC Release ‘Exploration Update’ dated 15th Sept 2021
Slide 31: Achilles Volcanic Rock Types
Achilles Volcanic Rock Types Mineralised hanging wall rhyolites For personal use only are Open to the east and south into the Southern IP target Altered Sediments Trap Turbidites Mineralised Rhyolites Open Sediments least mineralised and Dacite Footwall act as a trap cf Wagga Tank 31 A3RC004: 89-90m
Slide 32: In 2022: AGC's Hypothesis for Induced Polarisation Geophysics
In 2022: AGC’s Hypothesis for Induced Polarisation Geophysics AGC’s Achilles vs Peels (ASX:PEX) Wagga Tank – Southern Lights Peel’s Wagga Tank – Southern Nights AGC’s Achilles in 2022 For personal use only vF Vivigani Wagga Tank equivalent equivalent Wagga Tank Vivigani Formation Formation IP Charge
Slide 33: IP Results 2023
IP Results 2023: By Fender and Mitre (Rob Angus) Achilles: AGC Drilling (2021) A3RC004 1m at 10.6% Pb+Zn, 1.4% Cu A3RC014 85m at 0.13% Cu from 165m inc. 25m at 0.20% Cu from 206m For personal use only 5m at 0.3% Cu from 241m Pb>50ppm IP on contact of vf and Northern Chargeability turbidites. Coincid
Slide 34: Achilles Long Section Looking West
Achilles Long Section Looking West (2.5km Long) South North 600m long 250m long IP targets untested by 330m long Soil Anomaly #3 Soil Anomaly #2 previous drilling Soil Anomaly #1 For personal use only 200m Spaced Northern IP Drill IP Lines Southern IP Drill Target Eiffel Tower 330m High Target Achil
Slide 35: Achilles: AGC Drilling
Achilles: AGC Drilling A3RC004 10.6% Pb+Zn, 1.4% Cu A3RC014 85m at 0.13% Cu from 165m inc. 25m at 0.20% Cu from 206m 5m at 0.3% Cu from 241m Two large IP chargeability Two Large IP anomalies For personal use only Chargeability within Volcano- Anomalies sedimentary basin IP Survey Area 8km long Achil
Slide 36: Drill Target 1: Hilltop
Drill Target 1: Hilltop South Cobar Project Moorefield Project Gundagai Project Near Term Discovery Potential For personal use only Hilltop Target Located 20km west of Lake Cargelligo Large IP 28mV/V chargeability anomaly1 Strong shallow 700m in length Coincident with • Multiple 250m long gold beari
Slide 37: Drill Target 1: Hilltop Planned Drilling
Drill Target 1: Hilltop South Cobar Project Moorefield Project Gundagai Project Near Term Discovery Potential Hilltop Planned Drilling For personal use only Hilltop Target Cross Section 6305600 N (±100m) Located 20km west of Lake Cargelligo Large IP 28mV/V chargeability anomaly1 Strong shallow 700m
Slide 38: Drill Target 1: Hilltop Planned Drilling
Drill Target 1: Hilltop South Cobar Project Moorefield Project Gundagai Project Near Term Discovery Potential For personal use only Hilltop Planned Drilling Hilltop Target Cross Section 6305600 N (±100m) Located 20km west of Lake Cargelligo Large IP 28mV/V chargeability anomaly1 Strong shallow 700m
Slide 39: Thank you
South Cobar New Drill Targets For personal use only 4&5 Thank you 3 2 1 39
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