Unconformity-related uranium in SA – geophysical analysis of the Cariewerloo Basin

Tania Dhu; Gary Reed; Tania Wilson; Wayne Cowley; Philip Heath; George Gouthas; Martin Fairclough

doi:10.1081/22020586.2010.12041980

ISSN: 2202-0586
E-ISSN:

oa Unconformity-related uranium in SA – geophysical analysis of the Cariewerloo Basin
Authors Tania Dhu^a, Gary Reed^b, Tania Wilson^c, Wayne Cowley^d, Philip Heath^e, George Gouthas^f and Martin Fairclough^g
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^a Minerals & Energy Resources, PIRSA, GPO Box 1671, Adelaide SA 5001, [email protected] ^b Minerals & Energy Resources, PIRSA, GPO Box 1671, Adelaide SA 5001, [email protected] ^c Minerals & Energy Resources, PIRSA, GPO Box 1671, Adelaide SA 5001, [email protected] ^d Minerals & Energy Resources, PIRSA, GPO Box 1671, Adelaide SA 5001, [email protected] ^e Minerals & Energy Resources, PIRSA, GPO Box 1671, Adelaide SA 5001, [email protected] ^f Minerals & Energy Resources, PIRSA, GPO Box 1671, Adelaide SA 5001, [email protected] ^g Minerals & Energy Resources, PIRSA, GPO Box 1671, Adelaide SA 5001, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2010, Issue ASEG2010 - 21st Geophysical Conference, Dec 2010, p. 1 - 4
DOI: https://doi.org/10.1081/22020586.2010.12041980
- Published online: 01 Dec 2010

Abstract

Summary

Unconformity-related uranium deposits form some of the largest and richest deposits in the world. The Cariewerloo Basin, overlying the eastern margin of the Gawler Craton, South Australia, meets many of the geological criteria considered essential in the deposition and preservation of these mineral systems. This style of deposit is found in close proximity to the unconformity surface, either above or below it, and therefore accurate mapping of this surface is important for exploration efforts.

Within the Cariewerloo Basin the unconformity surface lies at the base of the Pandurra Formation. Numerous attempts have been made to accurately map this surface with varying success. A combination of drill-hole data and magnetic modelling is described in this paper. These datasets will be further refined in the coming months and complemented by a number of AEM traverses across the basin.

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References

Bisset, A., 2003, Detecting unconformity related alteration using Tempest - an example from Arnhem Land, Australia: Uranium Geochemistry 2003, International Conference, Université Henri Poincaré, Nancy, France, April 13-16, 2003, Proceedings, 75-78.
Card, C. D., Delaney, G., Bosman, S. A., Fairclough, M. C., Heath, P. and Gouthas, G., 2010, Geocanada 2010, Calgary. JACC (Joint Annual Convention Committee of CSPG, CSEG and CWLS): Abstract Volume Conference CD.
Cowley, W. M., 1993, Cariewerloo Basin, Pandurra Formation: In: Drexel, J. F., Preiss, W. V. and Parker, A. J. (editors), The Geology of South Australia, Volume 1 The Precambrian, South Australia, Geological Survey, Bulletin, 54: 139-142.
Fairclough, M. C., 2005, Uranium mineralisation and potential in South Australia: Paydirt Uranium Conference, Adelaide, March, 2005.
Fairclough, M. C., 2007, Uranium Mineral Systems in South Australia: Australia’s Uranium Conference 2007, AusIMM Program/Abstracts, Adelaide, May 15-16 2007.
Fairclough, M.C., Fabris, A., Hou, B., Daly, S.J., 2006, Uranium: South Australian state of play: MESA Journal 41, 8-11.
Fairclough, M. C. and Curtis, S.A., (compilers), 2007, South Australian Uranium Occurrences – First edition 1:2 000 000 scale: Department of Primary Industries and Resources SA.
Fairclough, M. C. in prep, Uranium Mineral Systems and Potential for Unconformity-Related Mineralisation in South Australia: Uranium 2010, Abstracts, Saskatoon, Canada.
FitzGerald, D., Reid, A. A. and McInerney, P., 2004, New discrimination techniques for Euler deconvolution: Computers and Geosciences, 30(5), 461-469.
FrOG Tech 2006, OZ SEEBASETM Proterozoic Basins Study: Report to Geoscience Australia by FrOG Tech Pty Ltd.
Gouthas, G., 2009, 3D geological models - Pandurra Formation, PIRSA, viewed April 2010, <http://www.pir.sa.gov.au/minerals/geology/3d_geological_m odels/pandurra_formation>
Jefferson, C. W., Thomas, D. J., Gandhi, S. S., Ramaekers, P., Delaney, G., Brisbin, D., Cutts, C., Quirt, D., Portella, P., and Olson, R. A., 2007, Unconformity-associated uranium deposits of the Athabasca Basin, Saskatchewan and Alberta: in Goodfellow, W. D., ed., Mineral Deposits of Canada: A Synthesis of Major Deposit-Types, District Metallogeny, the Evolution of Geological Provinces, and Exploration Methods, Geological Association of Canada, Mineral Deposits Division, special Publication No. 5, 273-305.
Lambert, I., Jaireth, S., McKay, A., and Miezitis, Y., 2005, Why Australia has so much Uranium: Ausgeo News 80.
Mernagh, T. P., Wyborn, L. A. I. and Jagodzinski, E. A., 1998, ‘Unconformity-related’ U ± Au ± platinum-groupelement deposits: AGSO Journal of Australian Geology & Geophysics, 17(4), 197-205.
Neumann, N., Sandiford, M. and Foden, J., 2000, Regional geochemistry and continental heat flow; implications for the origin of the South Australian heat flow anomaly: Earth and planetary science letters, 183 (1-2), 107-120.
Schofield, A., 2009, Uranium content of igneous rocks of Australia 1:5 000 000 maps – Explanatory notes and discussion: Geoscience Australia, record 2009/17.
Skirrow, R.G., Jaireth, S., Huston, D.L., Bastrakov, E.N., Schofield, A., van der Wielen, S.E., Barnicoat, A.C., 2009, Uranium mineral systems: Processes, exploration criteria and a new deposit framework: Geoscience Australia Record 2009/

/content/journals/10.1081/22020586.2010.12041980

Article Type: Research Article

Keyword(s): AEM.; Cariewerloo Basin; depth-to-basement; Unconformity-related uranium

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