b'What lies beneath revisitedFeatureDick, L.A., Ossandon, G., Fitch, R.G., Swift, C.M.Jr. and Watts, A.,Hydrothermal Systems in Base and Precious Metal Deposits. 1993. Discovery of Blind Copper Mineralization at Collahuasi,NWMA Annual Conference November 1994. #Chile. In Integrated methods in exploration and discoveryShuey, R.T, 1975. Semi-Conducting Ore Minerals, Elsevier. #sponsored by Society of Economic Geologists, SocietySchloderer, J., 2003. Reko Diq Exploration and Discovery. of Exploration Geophysicists, Association of ExplorationTethyan Copper Company Ltd., 2003. #Geochemists and U.S. Geological Survey April 17-20, 1993Sillitoe, R.H., 2005. Supergene Oxidized and Enriched Porphyry Denver Colorado. Copper and Related Deposits. Society of Economic Geologists, Dick, L.A., Chvez, W.X., Gonzales, A. & Bisso, C. 1994. GeologicInc. Economic Geology 100th Anniversary Volume. 723768.setting and mineralogy of the CuAg-(As) Rosario veinSmith, R., Foutain, D. and Allward, M., 2003. The MEGATEM \x1dxed-system, Collahuasi district, Chile. Society of Economicwing transient EM system applied to mineral exploration: a Geologists Newsletter, 19, 611. discovery case history. First break, 21.Emerson, D. 2021. The conductivity of chalcocite. Preview JuneThoman, M.W., Zonge, K.L., Liu, D., 2000. Geophysical Case History 2021 pp 48-51. of North Silver Bell, Pima Co., Arizona: A Supergene-Enriched Hansen etal. 1966. Society of Exploration Geophysicists MiningPorphyry Copper Deposit. NWMA Annual Conference, Practical Geophysics Volume I, Case Histories. Compiled and edited byGeophysics Short Course, November 1998. #The SEG Mining Geophysics Volume Editorial Committee. Webb, M. and Rowston, P., 1995. The geophysics of the Ernest Harrison, M. 2002, Airborne EM in the Search for ChileanHenry Cu-Au Deposit (N.W.) Qld. Exploration Geophysics, 26, Porphyry Copper Deposits. Unpublished abstract, 2002. # 51-59.Harvey, R.D., 1928. Electrical conductivity and polished mineralWilt, M. J., 1991. Interpretation of Time Domain Electromagnetic surfaces. Econ. Geol. 23, 778-803. Soundings near Geological Contacts. PhD thesis, University of McIntosh, S. M., Gill, J.P. and Mountford, A.J., 1999. TheCalifornia, Berkeley, December 1991.geophysical response of the Las Cruces massive sulphideWitherly, K.E., 2014. Geophysical expressions of ore systemsdeposit. Exploration Geophysics, 30, 123-134. our current understanding: Society of Economic Geologists Nelson, P. H. and VanVoorhis V.D., 1983, Estimation of sul\x1ddeSpecial Publication 18, 177208.content from induced polarization data. Geophysics, 48 (1),Witherly, K.E.,2019. What lies beneath? SEG Newsletter, 116, 2830.62-75. Witherly, K.E., Thomas, S. and Sattel, D., 2018. New Riches from Nelson, P.H., 1991. Geophysical Logs from a Copper Oxideold data; a re-evaluation of legacy data from the Casino Deposit, Santa Cruz Project, Casa Grande, Arizona. Deposit, Yukon. Presented at the AME-Round Up January 25, USGS-OFR-91-357. 2018, Vancouver BC. #Nickson, R., 1993. Field Trials of Ground TEM over SupergeneXstrata Queensland Limited, 2005. Xstrata Copper Analysts Copper Deposits, Chile. Privately published by QuantecBrie\x1dng London 27 October 2005.Geoscience Ltd. #Pitcher, D.H., Steele, J.P. and Watson, R. K., 1994. The ApplicationPapers marked with # have limited circulation and can be of Airborne Geophysical Techniques to the Delineation ofprovided by the author on request: ken@condorconsult.comFree subscription to Preview online Non-members of the ASEG can now subscribe to Preview online via the ASEG website. Subscription is free. Just go to https://www.aseg.org.au/publications/PVCurrent to sign up. You will receive an email alert as soon a new issue of Preview becomes available. Stay informed and keep up-to-date by subscribing now!!NB: ASEG Members dont need to subscribe as they automatically receive an email alert whenever a new issue of Preview is published.51 PREVIEW DECEMBER 2023'