Speaker's notes UNCLASSIFIED THE STAVELY PROJECT UNCOVERing mineral potential in western Victoria UNCLASSIFIED
Speaker's notes UNCLASSIFIED CONTRIBUTORS AND COLLABORATION Geological Survey of Victoria Ross Cayley, David Taylor, Phil Skladzien, Rob Duncan, Cameron Cairns, Mark McLean, Suzanne Haydon, Melanie Middleton, David Higgins, Cassady O’Neill, Mark Hocking, Marvena Van Kann, Gavin Stilgoe, Lydia Heap, Chris Osborne, Joanna Kowalczyk, Paul McDonald Geoscience Australia Anthony Schofield, Sarlae McAlpine, Chris Lewis, David Huston, Evgeniy Bastrakov, James Goodwin, Matilda Thomas, Karol Czarnota, Tony Meixner, Tim Barton, Narelle Neumann, Richard Blewett UNCLASSIFIED
Speaker's notes UNCLASSIFIED LOCATION AND GEOLOGY UNCLASSIFIED
Speaker's notes UNCLASSIFIED LOCATION AND GEOLOGY UNCLASSIFIED
Speaker's notes UNCLASSIFIED LOCATION AND GEOLOGY UNCLASSIFIED
Speaker's notes UNCLASSIFIED LOCATION AND GEOLOGY UNCLASSIFIED
Speaker's notes UNCLASSIFIED LOCATION AND GEOLOGY UNCLASSIFIED
Speaker's notes UNCLASSIFIED DEEP SEISMIC REFLECTION UNCLASSIFIED
Speaker's notes UNCLASSIFIED UNDERSTANDING THE MINERAL EXPLORATION HISTORY GA Willuara CRAE airborne Modern EL’s taken out WMC Report magnetic survey for copper exploration take out EL’s CRAE Crawford & HMS Exploration Keys publish withdraw commences 1990 2010 1970 1980 2000 GSV Grampians GSV Geopeko Special map identify penetrate MB report HMS (160m) GA-GSV mud rotary Stavely Project Tony Crawford GSV VIMP completes PhD drilling GSV Stavely report GSV Regional Penzoil drill first Seismic Reflection GSV Airborne copper targets Magnetic survey UNCLASSIFIED
Speaker's notes UNCLASSIFIED MINERALISATION AND HYDROTHERMAL ALTERATION Corbett, 2012 UNCLASSIFIED
Speaker's notes UNCLASSIFIED COVER AND PRESERVATION UNCLASSIFIED
Speaker's notes UNCLASSIFIED COVER AND PRESERVATION UNCLASSIFIED
Speaker's notes UNCLASSIFIED COVER AND PRESERVATION UNCLASSIFIED
Speaker's notes UNCLASSIFIED COVER AND PRESERVATION UNCLASSIFIED
UNCLASSIFIED KEY FINDINGS FROM NEW DATA Mineralisation • Mineralised porphyries: 501-500Ma ( U-Pb zircon), molybdenite mineralisation: 502-503Ma (Re-Os) within error • Mineralised porphyries are not confined to volcanic belts – search space expanded • Porphyries occupy fertility window of Louks (2014) Current known mineralised porphyries post date D 1 (Delamerian) - upright • UNCLASSIFIED
UNCLASSIFIED KEY FINDINGS FROM NEW DATA Mineralisation • Mineralised porphyries: 501-500Ma ( U-Pb zircon), molybdenite mineralisation: 502-503Ma (Re-Os) within error • Mineralised porphyries are not confined to volcanic belts – search space expanded • Porphyries occupy fertility window of Louks (2014) Current known mineralised porphyries post date D 1 (Delamerian) - upright • Exploration • Passive seismic suitable technique for estimating depth to basement Suitable drilling techniques and depth of cover – proof of concept • • Hyperspectral scanning (Hylogger) suggests distal propylitic hydrothermal alteration and pyrophyllite coincident with min • More work required to characterise hydrothermal alteration and mineralisation • Favourable chlorite and epidote trace element geochemistry in vicinity of Eclipse prospect • Partial leach surface geochemistry orientation survey Groundwater geochemistry and water bore re-logging • • Scalable structural template : Devonian vs Cambrian deformation characteristics • Porphyry event north-south orientation, Devonian northeast-southwest UNCLASSIFIED
UNCLASSIFIED KEY FINDINGS FROM NEW DATA Mineralisation • Mineralised porphyries: 501-500Ma ( U-Pb zircon), molybdenite mineralisation: 502-503Ma (Re-Os) within error • Mineralised porphyries are not confined to volcanic belts – search space expanded • Porphyries occupy fertility window of Louks (2014) Current known mineralised porphyries post date D 1 (Delamerian) - upright • Exploration • Passive seismic suitable technique for estimating depth to basement Suitable drilling techniques and depth of cover – proof of concept • • Hyperspectral scanning (Hylogger) suggests distal propylitic hydrothermal alteration and pyrophyllite coincident with min • More work required to characterise hydrothermal alteration and mineralisation • Favourable chlorite and epidote trace element geochemistry in vicinity of Eclipse prospect • Partial leach surface geochemistry orientation survey Groundwater geochemistry and water bore re-logging • • Scalable structural template : Devonian vs Cambrian deformation characteristics • Porphyry event north-south orientation, Devonian northeast-southwest Tectonics • Serpentinities have similar Cr# (chromite), including Hummocks Serpentinite to west • No detrital zircon younger than ~540Ma in Glenthompson Sandstone • Earliest known igneous activity of Stavely Arc (to date) 510Ma – stratigraphy suggests older ‘boninitic’ rocks • Current known mineralised porphyries represent (low to med K) calc-alkaline magmatism UNCLASSIFIED
Speaker's notes UNCLASSIFIED PROSPECTIVITY - UNPACKING THE VOLCANIC BELTS UNCLASSIFIED
UNCLASSIFIED PROSPECTIVITY - UNPACKING THE VOLCANIC BELTS UNCLASSIFIED
UNCLASSIFIED PROSPECTIVITY - UNPACKING THE VOLCANIC BELTS Stavely/Dryden Belts Bunnagal/Dimboola Belts Boonawah/Black Range Belts UNCLASSIFIED
UNCLASSIFIED PROSPECTIVITY - UNPACKING THE VOLCANIC BELTS UNCLASSIFIED
UNCLASSIFIED PROSPECTIVITY - UNPACKING THE VOLCANIC BELTS UNCLASSIFIED
UNCLASSIFIED PROSPECTIVITY - UNPACKING THE VOLCANIC BELTS UNCLASSIFIED
Speaker's notes UNCLASSIFIED PROSPECTIVITY - UNPACKING THE VOLCANIC BELTS UNCLASSIFIED
Speaker's notes UNCLASSIFIED PROSPECTIVITY - UNPACKING THE VOLCANIC BELTS Stavely/Dryden Belts: 542km Bunnagal/Dimboola Belts: 382km Boonawah/Black Range Belts: 235km UNCLASSIFIED
Speaker's notes UNCLASSIFIED A CAMBRIAN TECTONIC SNAPSHOT UNCLASSIFIED
Speaker's notes UNCLASSIFIED MINERAL SYSTEMS OF THE STAVELY ARC THROUGH TIME UNCLASSIFIED
Speaker's notes UNCLASSIFIED MINERAL SYSTEMS OF THE STAVELY ARC THROUGH TIME UNCLASSIFIED
Speaker's notes UNCLASSIFIED MINERAL SYSTEMS OF THE STAVELY ARC THROUGH TIME UNCLASSIFIED
Speaker's notes UNCLASSIFIED MINERAL SYSTEMS OF THE STAVELY ARC THROUGH TIME UNCLASSIFIED
Speaker's notes UNCLASSIFIED MINERAL SYSTEMS OF THE STAVELY ARC THROUGH TIME UNCLASSIFIED
Speaker's notes UNCLASSIFIED MINERAL SYSTEMS OF THE STAVELY ARC THROUGH TIME UNCLASSIFIED
Speaker's notes UNCLASSIFIED MINERAL SYSTEMS OF THE STAVELY ARC THROUGH TIME UNCLASSIFIED
UNCLASSIFIED The Stavely Project – UNCOVERing mineral potential in western Victoria AESC 2016 UNCOVER Symposium UNCLASSIFIED
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