Alkane Resources Ltd · ASX:ALK
Alkane Resources — Mines and Wines Conference - Discoveries in the Tasmanides 2022
27 slides from Alkane Resources's conference presentation, May 13, 2022
Slide 1: Mines and Wines Tomingley Presentation
ASX and MEDIA RELEASE 13 May 2022 For personal use only Mines and Wines Tomingley Presentation Alkane Resources Limited’s Project Exploration Geologist, Dr Alex Cherry, will be presenting at the Mines and Wines Conference - Discoveries in the Tasmanides today. A copy of Mr Cherry’s presentation is a
Slide 2: Roswell and San Antonio gold deposits
For personal use only Roswell and San Antonio gold deposits Alex Cherry, David Meates, Lachlan Burrows, Ian Chalmers May 2022 ASX:ALK © 2022 Alkane Resources
Slide 3: Disclaimer
Disclaimer For personal use only This presentation contains certain forward-looking statements and forecasts, including possible or assumed reserves and resources, production levels and rates, costs, prices, future performance or potential growth of Alkane Resources Ltd, industry growth or other tre
Slide 4: Overview
Overview For personal use only Background of the Tomingley Gold Project Regional geological setting Roswell and San Antonio geology, structure, alteration and mineralisation Satellite prospects – El Paso, McLeans, Plains Implications and next steps 3
Slide 5: Background: Tomingley Gold Project
Background Tomingley Gold Project For personal use only • Tenement package from Tomingley nearly to Parkes - Focus so far on northern portion • Mining for 8 years at TGO so far • The TGEP (Roswell and San Antonio) projecting at least 10 more years of mine life - Initial Roswell underground - Open cu
Slide 6: Background Tomingley Gold Extension Project
Background Tomingley Tomingley Gold Extension Project Gold For personal use only Operations Planned exploration drive TGEP planned Roswell San Antonio open cuts 14.1 Mt @ 2.00 g/t Au 7.32 Mt @ 1.72 g/t Au (904,000 oz) (406,000 oz) ASX Release 2 May 2022 ASX Release 7 September 2021 5
Slide 7: Geological Setting: Tomingley Gold Project
Geological Setting Tomingley Gold Project For personal use only • Centred on the Ordovician Mingelo Volcanics - Faulted slice of Junee-Narromine Volcanic Belt (Macquarie Arc) • Hosts orogenic and epithermal gold deposits - Tomingley camp - Peak Hill • Surrounded by barren Ordo-Silurian Cotton Format
Slide 8: Geological Setting: Tomingley Gold Project
Geological Setting Tomingley Gold Project For personal use only • Nearly zero outcrop around Tomingley - Cover is usually 5-60m thick • Main exploration/mapping techniques - Drilling - Geophysics • Much of the Mingelo Volcanics is un/under-drilled 7
Slide 9: Geology
Roswell and San Antonio Geology For personal use only • Deposits associated with narrow lavas and intrusives - Surrounded by undifferentiated volcaniclastics • Striking NNE, sub-parallel to unconformity with Cotton Formation • Cut by several thin post-mineral WNW-striking dolerite dykes 8
Slide 10: Geology
Roswell and San Antonio Geology For personal use only • Lithology has a really strong control on mineralisation • Vast majority of Au is contained within (or associated with) three igneous units - Andesite lavas - Plagioclase-hornblende monzodiorite sills(?) Roswell - Dacite sills(?) San Antonio N9
Slide 11: Roswell San Antonio
For personal use only Roswell San Antonio 10
Slide 12: Geology - andesite
Roswell and San Antonio High-Ni Geology - andesite N For personal use only • Major mineralisation host • Two geochemical types - Visually identical - best differentiated by Ni content • Single lava (up to 80 m thick) dominates in San Antonio Low-Ni • Multiple layered lavas in Roswell - Contributor t
Slide 13: Geology - dacite
Roswell and San Antonio Geology - dacite For personal use only • Narrow (1-20 m) sills immediately west of andesite • Present only in southern San Antonio and at depth in Roswell • Usually intensely altered (ser-sil) to the point of near obliteration of textures - But geochemically distinct Dacite •
Slide 14: Geology – monzodiorites
Augite-MZD Hornblende-MZD RWD001 119m KWD02 439m Roswell and San Antonio Geology – monzodiorites For personal use only • Plagioclase-augite monzodiorite - Medium- to coarse-grained holocrystalline intrusion - East of andesite in Roswell - Variably altered and sheared - Only minor mineralisation • Pl
Slide 15: Geology – Cotton Fm and dykes
Dolerite Cotton Fm RWD040 532m KWD002 268m Roswell and San Antonio Geology – Cotton Fm and dykes For personal use only • Cotton Formation - Pelitic silts, sandstones and debris flow conglomerates - Abundant detrital quartz is diagnostic (cratonic source) - Barren • Dolerite dykes - Post mineral - St
Slide 16: Structure
Roswell and San Antonio Structure For personal use only N • Stratigraphy and regional metamorphic foliation subparallel - Generally strikes North to NNE • Cotton Formation contact with the Mingelo Volcanics is an angular unconformity (often faulted) • Minor offsetting of stratigraphy and mineralisat
Slide 17: Mineralisation
Roswell and San Antonio Mineralisation For personal use only • Lodes strike N-S, dip moderately-steeply E to vertical Breccia lode in andesite • Sheeted veins develop to stockworks RWD003 280m or breccias in thicker lodes • Quartz + carbonate + albite + sericite + pyrite ± arsenopyrite ± VG • Petrog
Slide 18: For personal use only
Dacite-sediment Multistage vein in Sediment wedge Stockwork in contact andesite RWD054 605m hornblende-MZD RWD054 603m RWD040 542m KWD003 530m For personal use only
Slide 19: Alteration
Sericite-pyrite selvage Epidote-chlorite & distal chlorite volcaniclastics Roswell and San Antonio basaltic andesite RWD061 640m Alteration RWD059 60m For personal use only • Alteration in mineralised lodes matches vein assemblage - Sericite + silica + carbonate + albite + pyrite ± arsenopyrite • Ch
Slide 20: Satellite prospects: El Paso
500 metres to Satellite prospects San Antonio El Paso For personal use only • ~500 metres south of San Antonio • Same andesite and dacite present as Roswell/San Antonio • Rotated stratigraphy in places • Discontinuous lodes and narrow high grade shoots: e.g. EPP012 12 m @ 4.99 g/t from 108 m and 21
Slide 21: Satellite prospects: McLeans
Satellite prospects McLeans For personal use only • ~400m NE of Roswell • Last drilled mid-2000s - Shallow drilling testing soil anomalism - Low, discontinuous grades in sediments • Deeper drilling last year intersected better mineralisation associated with a new andesite - Chemically same as in Ros
Slide 22: For personal use only
DMAG RTP 25m lines For personal use only Basalt/basaltic andesite ALKANE RESOURCES | ASX:ALK 21
Slide 23: Satellite prospects: Plains
Satellite prospects Plains For personal use only • ~800 metres E of San Antonio • Detected during sterilisation drilling Local around San Antonio/Roswell Location geology relative to SAR • Sheeted veins surrounded by disseminated pyrite ± arsenopyrite - 400+ m strike • Hosted mainly within (sub-)vol
Slide 24: For personal use only
Least-altered Sheeted/tension veins basaltic andesite RWD059 182m RWD059 294m For personal use only Peperite? Basaltic andesite & black shale RWD059 313m
Slide 25: Implications for exploration
Implications for exploration For personal use only • There is potential away from the western contact with the Cotton Formation • Minor (near)surface anomalism in sediments could indicate something better at depth. - Buried andesite at McLeans and Roswell • Next steps - More drilling - More geophys
Slide 26: Planned honours project
Planned honours project Thermodynamic modelling of prospectivity For personal use only • Honours project – thermodynamic/geochemical prospectivity of host rocks - Couple of old prospects have alteration, veining, sulphides but no Au – is it something about the chemistry of the host rock? • See GSA t
Slide 27: Acknowledgements
For personal use only Acknowledgements: - Tony Crawford (petrography and lithogeochemistry) - Alkane staff (past/present) www.alkane.com.au @alkaneresources ASX:ALK alkane-resources-ltd 26
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