Slide 1: AIG Technical Talk: Briggs Porphyry Copper Deposit QLD
For personal use only AIG Technical Talk Briggs Porphyry Copper Deposit QLD 10th November 2020 authorised by Mike Erceg E: merceg@canterburyresources.com.au Canterbury Resources Limited ACN 152 189 369 Suite 108, 55 Miller St Pyrmont NSW 2009 ASX: CBY Briggs BD019-003 2019
Slide 2: Disclaimer & Competent Person's Statement
Disclaimer & Competent Person’s Statement This presentation has been prepared by Canterbury Resources Limited ACN 152 189 369 (Canterbury or the Company) on the basis of information available as at 9 November 2020, for the purpose of continuous disclosure, on the basis of information already disclos
Slide 3: Talk Outline
Talk Outline • Background to Canterbury For personal use only • Briggs Project Location • Regional Geology, Tectonic Setting • Briggs Project • Exploration History • Regional Geochemical Pathfinders – Stream Sediment Geochemistry • Regional Geochemical Pathfinders – Soil Geochemistry • Footprint – G
Slide 4: Canterbury Projects
Canterbury Projects For personal use only Bismarck (CBY40%, RTX60%), PNG – lithocap/porphyry target Wamum ELA (CBY100%), PNG – Cu-Au porphyry • Idzan Creek – Inferred Resource 2.2Moz gold, 288kt copper Ekuti Range (CBY100%), PNG - porphyry related Cu-Au-Mo targets • Ekoato drilling - EK004: 18m at 6
Slide 5: Project Location
Project Location For personal use only Briggs 15km 5
Slide 6: Regional Geology – Eastern Australia
Regional Geology – Eastern Australia For personal use only Zircon U-Pb Age Dates: Source – USGS Porphyry Assessment of Eastern Australia 2014 Briggs – 225, 350Ma Mannersley (5) – 218-278Ma Source – Geology of Queensland 2013 p338 6
Slide 7: Regional Geology
For personal use only Regional Geology 7
Slide 8: Exploration History
Exploration History Exploration History • Noranda (1968-1972) For personal use only Briggs discovered mapping & ssed Geophysics – mag low Surrounding chargeability high 5 core & 9 perc holes small supergene resource • Geopeko (early 70s) surrounding ground extensive geochem sampling Rivershead porph
Slide 9: Geochemical Pathfinders – SSED Cu, Au, Mo
Geochemical Pathfinders – SSED Cu, Au, Mo For personal use only Source: Qld Gov – SE Queensland Data Package 9
Slide 10: Geochemical Pathfinders – Soil Cu, Zn, Mo
For personal use only Geochemical Pathfinders – Soil Cu, Zn, Mo Source: Qld Gov – SE Queensland Data Package 10
Slide 11: Briggs Porphyry Footprint – Geology & Alteration
Briggs Porphyry Footprint – Geology & Alteration • Southern, Central & Northern Porphyry For personal use only • Metavolcanic host • >2km NW-SE zone of sericite - pyrite and quartz veins (phyllic) • Core of biotite-quartz-magnetite in Central Porphyry 11
Slide 12: Briggs Porphyry Footprint - Magnetics
For personal use only Briggs Porphyry Footprint - Magnetics • Coincident low/alteration zone • 500m by 500m intense low coincident with Central Porphyry • Similar feature at Northern Porphyry 12
Slide 13: Briggs Porphyry Footprint - VTEM
For personal use only Briggs Porphyry Footprint - VTEM • Resistive core correlated with K-zone • Conductive annulus correlates with pyrite zone of phyllic and propylitic 13
Slide 14: Briggs Porphyry Footprint – Soil Cu
For personal use only Briggs Porphyry Footprint – Soil Cu • 2km long soil Cu anomaly • Strong correlation with phyllic • >2000ppm centred on porphyry 14
Slide 15: Briggs Porphyry Footprint – Soil Mo
For personal use only Briggs Porphyry Footprint – Soil Mo 15
Slide 16: Briggs Geology – BD019-003
Briggs Geology – BD019-003 For personal use only • GDP • Quartz • Volcanics • Post Mineral mafic dykes 16
Slide 17: Prospect Geology
For personal use only Prospect Geology Quartz rich dykes/plugs Central Porphyry (BD019-003, 236.4m 17.7m at 1.0% Cu) crenulated quartz textures Southern Porphyry (USTs) High silica rock, sheeted veins, USTs, miarolitic cavities all features of apical zones of felsic intrusions – Kirwin 2006 SEEGF Co
Slide 18: Briggs Mineralisation
Briggs Mineralisation For personal use only BD019004-327m BD019004-335m 18
Slide 19: Work by Canterbury
Work by Canterbury For personal use only • 2019 drilled 5 holes • Tested 400m strike of Central Porphyry
Slide 20: Canterbury Work - Briggs Resource
Canterbury Work - Briggs Resource For personal use only • Inferred Mineral Resource 142.8Mt at 0.29% Cu 20
Slide 21: Briggs Porphyry Model
Briggs Porphyry Model For personal use only • Upper levels of porphyry system exposed • qtz plugs, USTs upper levels of intr. • small potassic core • extensive phyllic zone level of erosion • GDP, Qtz plugs and Fe-rich volcanics merely good hosts • Target is causative intrusion at depth Modified fro
Slide 22: Exploration Opportunities
Exploration Opportunities For personal use only Mineral Potential • Resource at Briggs and potential along strike and at depth to extend • Mannersley porphyry to east • Fig Tree Hill tenement (CBY 100%) added following drilling success at Briggs in 2019 Future Plans • 2021 program ~13 holes, RCP, fo