B.Sc. (Hons) Macquarie University (1984)
PhD Curtin University (2000). Thesis Title: Mapping Mineralogy and Surface Scattering using a Mid-infrared Airborne CO2 Laser (MIRA CO2LAS).
1984-1986: Research Assistant, Macquarie University
1986-2016 : Scientist, CSIRO Exploration and Mining (current classification: Principal Research Scientist)
To research, develop and demonstrate operational hyperspectral sensing technologies (field, mine, airborne and spaceborne) that enhance the effectiveness of mining industry to better explore, delineate, extract and environmentally manage economic mineral deposits.
CSIRO project leader of numerous collaborative industry-funded projects. These projects aim to develop and demonstrate operational remote hyperspectral VNIR-SWIR-TIR technologies for enhanced mineral exploration, mining and mine environment of different commodity types. Technologies include airborne ARGUS, SEBASS, HyMap and AMSCAN and satellite-borne Hyperion, ASTER and CHRIS systems. Supporting agencies include national and international government bodies and multinational mining companies. Supervise project staff.
Significant role in the development of divisional strategic research-business plan for the Mineral Mapping Technologies Group
ASTER Science Team (AST) member and Australian representative. Principal investigator for Mt Fitton test site AST Geology Working Group
EO1 Hyperion Science Team member and co-investigator for the Australian geological test sites at Mt Fitton (SA) and Panorama (WA)
CHRIS/PROBA principal investigator for Giles Point test site (WA)
Australian leader for the CSIRO-ERSDAC (Japan) MOU and project development in satellite remote sensing applications
Promote the research through publications and conference papers (see below), workshops (numerous industry, university and other technical workshops in Australia and overseas) and student supervision (4 PhD, 3 Masters)
Hyperspectral consultant to a number of mining/exploration companies
Review journal papers and post graduate theses (Geochemical Exploration, Geophysics, IEEE TGARS)
Liase and collaborate with strategic national (ISPL) and international (ERSDAC, TRW, NASA, ESA) technology developers to develop operational systems suitable for the needs of the mining and exploration community.
Leader of the Minerals and Environmental Sensing Group
Director WA Centre of Excellence for 3D Mineral Mapping
Selected Career Highlights
First person to map Earth's surface mineralogy from space using the first spaceborne, civilian, hyperspectral VNIR-SWIR imaging system, Hyperion
Invited to join a NASA-Caltech-TRW proposal (unsuccessful) for a hyperspectral imaging mission to Mars
Winner of best paper of conference at the 2000 ERIM International Conference on Applied Geologic Remote Sensing, Las Vegas (Honorary mention for best paper at the previous conference ERIM conference, Vancouver 1999)
Establish and demonstrate remote mapping of silicate mineralogy and mineral chemistry (e.g. garnets) using new generation hyperspectral TIR systems (SEBASS, MIRACO2LAS).
Selected Research Publications
Cudahy, T.J. and Ramanaidou, E.R.., 1996. Measurement of the hematite-goethite ratio using field VNIR spectrometry in channel iron deposits, Western Australia. Australian Journal of Earth Sciences, Vol. 44, No. 4, pp. 411-421.
Hook, S.J., Cudahy, T.J., Kahle, A.B. and Whitbourn, L.B. 1998. Synergy of active and passive airborne thermal infrared systems for surface compositional mapping. Journal of Geophysical Research, Vol. 103, No. B8, pp. 18,269-18,276.
Cudahy, T.J., L.B. Whitbourn, P. Connor, P. Mason, and R.N. Phillips 1999. Mapping surface mineralogy and scattering behaviour using backscattered reflectance from a hyperspectral midinfared airborne CO2 laser system (MIRACO2LAS). IEEE Transactions on Geoscience and Remote Sensing, Vol. 37 No.4, pp. 2019-2034.
Cudahy, T.J., Okada, K., and Whitbourn, L.B. 1999. Mapping garnet Fe-Mn solid solution chemistry associated with Broken Hill style Pb-Zn-Ag mineralisation using airborne hyperspectral 9-11 m reflectance. Proceedings of the 13th ERIM International Conference on Applied Geologic Remote Sensing, Vancouver, 1-3 March, pages I-64 to I-72.
Cudahy, T.J., Okada, K, Yamato, Y., Huntington, J.F., and Hackwell, J.A., 2000. Mapping skarn alteration mineralogy at Yerington, Nevada, using airborne hyperspectral TIR SEBASS imaging data. ERIM Proceedings of the 14th International Conference on Applied Geologic Remote Sensing, 6-8 November, Las Vegas, pp. 70-79 (Best Plenary Paper of Conference Award).
Cudahy, T.J., Okada, K. & Brauhart, C., 2000. Targeting VMS-style Zn mineralisation at Panorama, Australia, using airborne hyperspectral VNIR-SWIR HYMAP data. ERIM Proceedings of the 14th International Conference on Applied Geologic Remote Sensing, 6-8 November, Las Vegas, pp. 395-402 (Honorary Mention for Best Poster Paper of Conference Award).
Cudahy, T.J., Roberts, D., Rosenqvist, A., Rubbin, T., Sano, E.E., Tonooka, H, Pinqing, W., and Yamaguchi, Y. 2001. International Inter net forum - What is the present status and future of remote sensing? Journal of the Remote Sensing Society of Japan, Vol. 21, No. 1, pp. 114-126.
Cudahy, T.J., Wilson, J., Hewson, R.D., Okada, K., Linton, P., Harris, P., Sears, M., and Hackwell, J.A., 2001. Mapping variations in plagioclase feldspar mineralogy using airborne hyperspectral VNIR-SWIR-TIR imaging data. Proceedings IEEE 2001 International Conference on Geoscience and Remote Sensing, Sydney 9-13 July.
Cudahy, T.J., Hewson, R.D., Huntington, J.F., Quigley, M.A., and Barry, P.S., 2001. The performance of the satellite-borne Hyperion Hyperspectral VNIR-SWIR imaging system for mineral mapping at Mount Fitton, South Australia. Proceedings IEEE 2001 International Conference on Geoscience and Remote Sensing, Sydney 9-13 July.
Cudahy, T.J. and Barry, P.S. 2002. Earth magmatic-seawater hydrothermal alteration revealed through satellite-borne Hyperion imagery at Panorama, Western Australia. Proceedings IEEE 2002 International Conference on Geoscience and Remote Sensing, Toronto 24-28 June.
Cudahy, T.J., Rodger, A.R., Barry, P.S., Mason, P., Quigley, M.A., Folkman, M.A. and Pearlman, J., 2002. Assessment of the stability of the Hyperion SWIR module for hyperspectral mineral mapping using multi-date images from Mount Fitton, Australia. Proceedings IEEE 2002 International Conference on Geoscience and Remote Sensing, Toronto 24-28 June