b'FeatureImaging the supergene search space with ANTthat is entirely concealed beneath Cenozoic sediment and soils.References In particular, the zones of low velocity at shallow depths, in the range of 70 m approximately, largely correspond to regions thatAustralian Stock Exchange Release, 2014. Initial 202Mt at 0.6% copper Aki,K. are dominated by pelitic metasedimentary rocks. 1957. Space and time spectra of stationary waves with special reference to microtremors. Bulletin Earthquake Research Institute University of Tokyo 35, In the Alford East project area, troughs of deeper weathering415456.across the region are the focus for supergene enrichmentArabpour, A., H. Mirnejad, O. Asghari, and M. Moosavi. 2021. Copper of copper and gold. These troughs appear to be structurallymass \x1cux and evolution of supergene orebody in the Miduk Porphyry controlled, as they are of a similar orientation to faultsCopper Deposit, Iran, and its application to exploration of exotic deposits. in the underlying, metasomatised metavolcanic and orOreGeology Reviews:139, 104529.metasedimentary rocks, part of the highly mineralised easternBeard, C.D., N. Arndt, R. Lynch and J. Cristall. 2022. Cover Mapping with Gawler Craton. These troughs appear to be imaged as zones ofPassive Seismics at the Boulia Prospect, Mount Isa Province, Queensland, lower seismic velocity in the ANT model. A key feature of theAustralia. First Break: 40, 8996.model is the presence of low velocity trends extending from theBensen, G.D., and M.H Ritzwoller. 2008. Broadband ambient noise surface bottom of the model into the surface cover sequence, whichwave tomography across the United States. Journal of Geophysical Research: supports the notion that these zones are structurally controlled. 113, B05306The ANT method images contrasts in seismic velocity. HavingBensen, G.D., M.H. Ritzwoller, M.P Barmin, A.L Levshin, F. Lin, M.P. Moschetti, been developed and utilised in regional and crustal-scale studies,N.M. Shapiro and Y. Yang. 2007. Processing seismic ambient noise data the method is now becoming increasingly applied to mineralto obtain reliable broad-band surface wave dispersion measurements. exploration problems. The method is complementary to otherGeophysical Journal International 169: 12391260.geophysical techniques, providing a view of the subsurface thatBourman, R.P., S. Buckman, B. Pillans, M.A.J. Williams and F. Williams. 2010. is both sensitive to lithology and structure. The ANT survey atTraces from the past: the Cenozoic regolith and intraplate neotectonic the Alford East project is an example where a zone of supergenehistory of the Gun Emplacement, ferricreted bench on the western margin enrichment that is blind at surface correlates with zones ofof the Mt Lofty Ranges, South Australia. Australian Journal of Earth Sciences: 57, 577595.decreased seismic velocity in the basement that correlate with broad trends of faults that are also mapped from aeromagneticChandra, S., J. Choudhury, P.K. Maurya, S. Ahmed, E. Auken and S.K. Verma. images. This has expanded the available search space for2020. Geological signi\x1ecance of delineating paleochannels with AEM. supergene enrichment in this project area and provides anExploration Geophysics: 51, 7483.example of the utility of the method in cases where mineralisationChen, G., Q. Cheng, Y. Luo, Y. Yang, H. Xu and X. Deng. 2021. Seismic imaging is associated with any process that modi\x1ees the seismic velocity ofof the Caosiyao giant porphyry molybdenum deposit using ambient noise the mineralised rock volume compared to the country rocks. tomography. Geophysics: 86, 420 B401B412.Cocker. 2014. Lateritic, supergene rare earth element (REE) deposits. In Proceedings of the 48th Annual Forum on the Geology of Industrial Acknowledgements Minerals, Phoenix, Arizona, April 30 - May 4, 2012, F.M. Conway, ed. (ArizonaGeological Survey Special Paper #9, Chapter 4), pp. 118.Fleet Space Technologies acknowledges the work of the Thor Energy PLC team, and the previous explorers in this region,Conor, C.C.H., O. Raymond, T. Baker, G.S. Teale, P. Say and G. Lowe. 2010. who have provided the geological controls on the knownAlteration and mineralisation in the Moonta-Wallaroo copper-gold mining \x1eeld region, Olympic Domain, South Australia. In Hydrothermal Iron Oxide mineralisation. We acknowledge the work of the \x1eeld crewsCopper-Gold & Related Deposits: A Global Perspective, v.3 - Advances who deployed the ANT Geodes. We also acknowledge Nickin the Understanding of IOCG Deposits; T.M. Porter, ed. (PGC Publishing, Smith and Angel Ramos for their assistance, and the anonymousAdelaide),pp. 147 - 170.reviewers and Preview Editor Lisa Worrall for their e\x1forts.Cowley, W.M., C.H.H. Conor and W. Zang. 2003. New and revised Proterozoic Mineral Resource Estimates are provided by Thor Energy PLC,stratigraphic units on northern Yorke Peninsula. MESA Journal: 29, 4658.details of which can be found at https://thorenergyplc.com/.Ekstrm, G., G.A. Abers and S.C. Webb. 2009. Determination of surfacewave phase velocities across. Geophysical Research Letters: 36, L18301.Hill, S.M., J.E. Green\x1eeld, P. Gilmore and W. Reid. 2008. A guide for mineral exploration through and within the regolith in the southwestern Thomson The ASEG in social media Orogen NSW (CRC LEME, Perth).Hoggard, M.J., K. Czarnota, F.D. Richards, D.L. Huston, A.L. Jaques, and S. Ghelichkhan. 2020. Global distribution of sediment-hosted metals social sow+shl controlled by craton edge stability. Nature Geoscience: 13, 504510.Hollis, D., J. McBride, D. Good, N. Arndt, F. Brenguier and G. Olivier. 2018. [adjective]Relating to society or its organisation Useof ambient-noise surface-wave tomography in mineral resource [noun]Social media sites, applications or accounts exploration and evaluation. SEG Technical Program Expanded Abstracts 2018: August 2018, 1937-1940.Ismail, R., C.L. Ciobanu, N.J. Cook, G.S. Teale, D. Giles, A.S. Mumm and B. Follow all our socials Wade. 2014. Rare earths and other trace elements in minerals from skarn assemblages, Hillside iron oxidecoppergold deposit, Yorke Peninsula, for the latest updates! South Australia. Lithos: 184187, 456477.E C D Q M k Kontonikas-Charos, A., C.L. Ciobanu and N.J. Cook. 2014. Albitization and redistribution of REE and Y in IOCG systems: Insights from Moonta-Wallaroo, Yorke Peninsula, South Australia. Lithos: 208-209, 178201.APRIL 2024PREVIEW 45'