Stick to your books: The contribution of geoscience to the minerals value chain. Anthony Reid. Geological Survey of South Australia

Transcription

1 Stick to your books: The contribution of geoscience to the minerals value chain Anthony Reid Geological Survey of South Australia AusIMM/GSA lunch, 17 May 2018

2 Demand and supply It all starts with the rocks

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4 Finding a needle in a haystack Area selection First pass Follow-up Extraction Drill out Discovery

5 Value of discoveries (Australia) Exploration spend

6 Decline in discovery? High cost of drilling in boom Lack of drilling in bust Higher social and environmental costs Move to exploration under deeper cover Richard Schodde, Copper to the World Conference, Adelaide

7 Geoscience contributions to the minerals value chain

8 Stuck to my books #BestCareerAdvice #Ever

9 Broken Hill Silver Mines 11/05/1908 Digital ID: 14086_a005_a005SZ r Rights:

10 Map from AR Honours thesis.

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13 The more things change and the shoulders of giants

14 Geological Survey of South Australia Adelaide Observer, Saturday 3 December 1881, page 24. Accessed via Trove NLA the Government should confine its efforts mainly to the practical aspects of the work. Minute scientific investigation is almost impossible in a country of so vast an extent as this. 1881

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17 Tarcoola 1934

18 Mapping is never finished it is a snapshot in time of current understanding

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20 OMG! I want that on my tablet!

21 SMH! You can look at any drill core you want, for free?! South Australian Drill Core Reference Library

22 Forward looking statements Competent person?

23 Geoscience contributions to the minerals value chain

24 UNCOVER Approach Lithospheric architecture: MT, seismic, potential fields Crustal evolution: basement geology interp.; crust forming events; metallogeny Mineral potential Distal footprints: basement, cover geochem; spectral mineralogy Cover: Thickness, age, type, geochemical response Exploration 24 methodologies

25 LITHOSPHERE Magnetotellurics, AusLAMP Seismic receiver function etc. Isotope data crustal expression of lithospheric architecture Stephan Thiel, Kate Robertson, Stacey Curtis et al.

26 CRUSTAL EVOLUTION Mapping outcrop and interpretations of basement geology through cover Metamorphic analysis Geochemical characterization of magmatic suites Event history and structure of South Australia Rian Dutch, Mark Pawley, Tania Wilson, Mario Werner, Stacey Curtis, Tom Wise et al.

27 MINERAL SYSTEMS K-feldspar abundance from Hylogger data. ARC Linkage Project :Source to Spectrum : UniSA, Adelaide, Monash University Alteration facies mapping Mineralogical and chemical footprints of mineral systems of South Australia. John Keeling, Claire Wade, Adrian Fabris, Alan Mauger, Georgiina Gordon et al.

28 COVER Northern Gawler Craton typical landscape Surface landform, regolith mapping Geochemical surveys baseline studies Anna Petts, Carmen Krapf et al.

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30 apple.com ozminerals.com/operations/prominent-hill/

31 Disclaimer The information contained in this presentation has been compiled by the Department of State Development (DSD) and originates from a variety of sources. Although all reasonable care has been taken in the preparation and compilation of the information, it has been provided in good faith for general information only and does not purport to be professional advice. No warranty, express or implied, is given as to the completeness, correctness, accuracy, reliability or currency of the materials. DSD and the Crown in the right of the State of South Australia does not accept responsibility for and will not be held liable to any recipient of the information for any loss or damage however caused (including negligence) which may be directly or indirectly suffered as a consequence of use of these materials. DSD reserves the right to update, amend or supplement the information from time to time at its discretion.

32 Contact Department of the Premier and Cabinet- Mineral Resources Division Geological Survey of South Australia Dr Anthony Reid: Level 4, 101 Grenfell Street Adelaide, South Australia 5000 GPO Box 320 Adelaide, South Australia 5001 T: E: DSD.minerals@sa.gov.au