Dundas Minerals Limited · ASX:DUN
Dundas Minerals — RIU Resurgence (Perth) (November 2022)
28 slides from Dundas Minerals's conference presentation, Nov 23, 2022
Slide 1: Dundas Minerals – Albany-Fraser Orogen
DUNDAS Albany-Fraser Orogen For personal use only MINERALS Nickel, Copper, Gold • 1,845km2 Exploration Licences Western Australia • Drilling in progress ASX Listed: 10 November 2021 Shares on issue: 65.9m • Prospectivity confirmed Cash (30-9-22): $3.1m Shareholders: 1,136 ASX: DUN DUNO 23 November 2
Slide 2: Disclaimer and Competent Person’s Statement
Disclaimer and Competent Person’s Statement General information only This presentation contains general background information and summary information about Dundas Minerals Limited (ACN 640 432 819) (“Dundas”) and its activities as at the date of this presentation. For personal use only Exploration
Slide 3: Competent Persons Statement
Competent Persons Statement The information in this presentation that relates to drilling results for drill hole 22CEDD001 at the Company’s Central exploration target is extracted from the report entitled Central 358m Massive, Semi-Massive, Disseminated Sulphides published on 11 October 2022; drilli
Slide 4: Significant Position – 1,845km2 Exploration Licences
Nova Discovery Significant Position For personal use only Norseman Dundas Nature Reserve q 1,845km2 Exploration Licences q 100% Dundas Minerals Ltd q All on Crown Land Granted Exploration Licence (Dundas q All granted Licences outside Dundas Minerals) Exploration Licence Application (Dundas Minerals
Slide 5: Regional Geology Discovery
Regional Geology Discovery Albany-Fraser Orogen For personal use only q Margin of reworked Archean and Proterozoic q All prior exploration pre-2011 (Nova discovered 2012) q Deepest drill hole 64m (pre Dundas) Granted Exploration Licence (Dundas Minerals) Exploration Licence Application (Dundas Miner
Slide 6: Regional Geology – Confirmatory age-dates
Regional Geology Discovery Confirmatory age-dates For personal use only 1317 Ma 1178 Ma 2634 Ma 1666 Ma 2643 Ma Albany-Fraser discoveries: Granted Exploration Licence (Dundas Minerals) o Tropicana: ~2520 Ma Nova: ~1330 Ma – 1280 Ma Exploration Licence Application (Dundas Minerals) o Source: Crawford
Slide 7: Exploring under cover: ~5m-30m
Exploring under cover: ~5m-30m Discovery Exploration Environment For personal use only q Shallow cover o Mostly 5m – 30m o Maximum ~60m q Limited outcropping rocks: but o Mafic/Ultramafic rocks identified q Vegetation: Mallee o Recent fires have cleared large tracts ASX: DUN www.dundasminerals.com |
Slide 8: Rich history of under-cover discovery
Rich history of under-cover discovery Discovery Juniors are good at it ! 2010: DeGrussa 2020: Julimar Julimar Nickel-Copper-PGE Project Sandfire Gonneville Intrusion – Oblique Cross Section For personal use only West East Resources Cover Cover er Chalice Co v Cover Mining 2012: Nova 2022: Callisto C
Slide 9: Exploration Model
EXPLORATION MODEL For personal use only Magmatic sulphide nickel mineralisation associated with mafic / ultra-mafic intrusions www.dundasminerals.com | 9
Slide 10: Deposit attributes – Exploration Model
Deposit attributes Discovery Exploration Model Mafic / Ultramafic Ni-Cu-Co deposit (Pluton style) Komatiite hosted Ni sulphide deposit For personal use only Composition Polymetallic: Ni, Cu, Co, +/- PGE, +/- Ag Ni, also can be Polymetallic +/-(Cu, Co, PGE) Examples Nova – Bollinger Kambalda, Mt Keit
Slide 11: The Search – Systematic and Disciplined
THE SEARCH For personal use only Systematic and Disciplined www.dundasminerals.com | 11
Slide 12: Systematic & Disciplined – Exploration Under Cover
Systematic & Disciplined Discovery Exploration Under Cover 1 Sept. 2021 2 Oct. 2021 3 Dec. 2021 For personal use only Conductivity: Project Gravity: Project Gravity: Prospect Project Scale Gravity Infill Gravity Survey Aerial Electro-Magnetic Survey (250m lines 100m & Magnetic Survey stations) (1km
Slide 13: Systematic & Disciplined – Exploration Under Cover
Systematic & Disciplined Discovery Exploration Under Cover 4 Jan. 2022 5 Feb. 2022 6 March 2022 For personal use only Gravity: Prospect Magnetic: Project Conductivity: Prospect Infill Gravity Survey Infill Magnetic AMT Surveys (250m lines 100m Survey (100m lines) (Matilda South & Central) stations)
Slide 14: Geophysics: 1. Central Target
For personal use only GEOPHYSICS 1. Central Target ASX: DUN www.dundasminerals.com | 14
Slide 15: 12km+ AEM Conductivity Trend
12km+ AEM Conductivity Trend Discovery Central Target AEM Conductor picks 180m AEM Depth Slice For personal use only (B Field, channel 41, low frequency, on-time) (white circled areas are locations of low resistivity – AMT anomalies) e nd y Tr t ivit u c o nd + C km e nd 12 Tr v ity ct i ndu o +C km
Slide 16: Coincident EM & AMT anomalies
Coincident EM & AMT anomalies Discovery AMT: Low Resistivity Central Target For personal use only Very Strong Conductor (low resistivity) Image Cross Section showing modelled AMT line 11000 data. The deep brown colour indicates areas of least resistivity (highest conductivity) Very Strong Conductor
Slide 17: AMT: Central compared to Nova
AMT: Nova low resistivity corresponds AMT: Central compared to Nova Discovery to Massive Sulphides For personal use only Nova-Bollinger AMT inversion model cross section (line 647700n). Very low resistivity values of 2-12 ohm-m (contoured on red colours) are extremely well correlated to the location
Slide 18: Geophysics: 2. Matilda South
For personal use only GEOPHYSICS 2. Matilda South ASX: DUN www.dundasminerals.com | 18
Slide 19: Large mafic/ultramafic intrusive
Large mafic/ultramafic intrusive Discovery Gravity High in Mag Low For personal use only Matilda South Matilda South Residual Gravity image (colour) over regional magnetic image (grey scale). Residual magnetic image. ASX: DUN www.dundasminerals.com | 19 ASX Announcement: 18 January 2022
Slide 20: Large mafic/ultramafic intrusive – Distinct Gravity High
Large mafic/ultramafic intrusive Discovery Distinct Gravity High Matilda South Bouguer gravity model For personal use only Matilda South ü Density: 3.4T/m3 – 3.0T/m3 ü Mafic/Ultramafic intrusive ü Distinctly circular Residual Gravity image (colour) over regional magnetic image (grey scale). Matilda
Slide 21: Drill Targets
Drill Targets Discovery AMT: Low Resistivity For personal use only Conductive Anomaly Conductive Anomaly Matilda South Conductive Anomaly Residual Gravity image (colour) over regional magnetic image (grey scale). ASX: DUN www.dundasminerals.com | 21 ASX Announcement: 23 March 2022
Slide 22: Central Exploration Target – Drilling Underway
AEM Conductive “Pick” In progress For personal use only AMT Survey Lines DRILLING UNDERWAY AEM Flight Lines Completed CEDD004 CEDD002 CENTRAL EXPLORATION CEDD003 TARGET CEDD005 CEDD001 Planned Image: total magnetic intensity reduced to the pole (RTP) ASX: DUN www.dundasminerals.com | 22
Slide 23: 22CEDD001: AMT Target
22CEDD001: ATM Target Discovery Central Drilling Program q First drill hole ever in the prospect For personal use only q 423m diamond hole q 358m massive, semi-massive & disseminated sulphides, predominantly pyrite q Hydrothermal system q Assays expected by end November 2022 Image Cross Section show
Slide 24: 22CEDD002: AMT Target
22CEDD002: ATM Target Discovery Central Drilling Program q 603m diamond hole For personal use only q Pyrite, pyrrhotine and chalcopyrite sulphides intersected q Hole cased for down-hole EM survey q 25m hole deviation, east of target q Assays expected during December 2022 Image Cross Section showing
Slide 25: 22CEDD003: AEM Target
22CEDD003: AEM Target Discovery Central Drilling Program q 395m diamond hole For personal use only q Pyrite and pyrrhotine, plus vein pyrite with quartz q Sulphides logged 24.1m to 107.7m q Graphite with brecciated vein pyrite q Assays expected January 2023 22CEDD003 Image: airborne electro-magnetic
Slide 26: Rapid Progress – Central Drilling Program
Rapid Progress Discovery Central Drilling Program AMT targets validated (modelled very low resistivity <5 Ohm-m): semi-massive and For personal use only massive sulphides drilled (Holes 1 & 2). AEM data and modelling reliable to locate conductive targets (maximum search depth ~180m): sulphides in ma
Slide 27: Current Exploration Plan 2022-23
Current Exploration Plan Discovery 2022-23 Central Matilda South For personal use only November DD Hole 4 Assay Corescan DD Hole 5 results December Independent Expl. Review Downhole Assay EM survey results $180,000 WA Government EIS co- January funding for 4 x deep RC drill holes DD Hole 6 Assay (un
Slide 28: Join us in the Search
DUNDAS For personal use only MINERALS ALBANY-FRASER Join us in the Search OROGEN Become a Shareholder Western Australia Be part of the Discovery Shares on issue: 65.9m Market Cap: ~$22m Cash (30-9-22): $3.1m ASX: DUN DUNO November 2022
Dundas Minerals — RIU Resurgence (Perth) (November 2022) on 6ix