Magnetic modelling and geological modelling come together at the Kintyre uranium deposit

Andrew Fitzpatrick; Penny Large

doi:10.1071/ASEG2015ab049

24th International Geophysical Conference and Exhibition – Geophysics and Geology Together for Discovery

ISSN: 2202-0586
E-ISSN:

oa Magnetic modelling and geological modelling come together at the Kintyre uranium deposit
Authors Andrew Fitzpatrick^a and Penny Large^b
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^a Cameco Corporation, 24 Hasler Road, Osborne Park, , WA, 6017, [email protected] ^b Cameco Corporation, 24 Hasler Road, Osborne Park, , WA, 6017, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2015, Issue 24th International Geophysical Conference and Exhibition – Geophysics and Geology Together for Discovery, Dec 2015, p. 1 - 4
DOI: https://doi.org/10.1071/ASEG2015ab049
- Published online: 01 Dec 2015

Abstract

We present a case study whereby unconstrained magnetic modelling accurately defined the altered host lithology of the Kintyre Uranium deposits, verified by detailed geological modelling. The Kintyre Uranium deposits are hosted by a sequence of iron and carbonate rich meta-pelites, which makes it an ideal target for magnetic prospecting. As part of the resource definition, magnetic modelling and geological modelling were performed over the Kintyre deposit independently. In the process of further refinement of the magnetic model through incorporation of geological constraints it was determined the two models were already highly complementary and further modelling was not warranted, particularly at the resolution of the magnetic data. This case study demonstrates that in some geological environments, unconstrained geophysical models can adequately map stratigraphy & structure for drillhole target generation.

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2015-12-01

2026-01-19

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References

Clark, C., 2014, Methods for determining remanent and total magnetisations of magnetic sources- a review: Exploration Geophysics, 31, 366-371.
Dorling, S., Belyk, C., and Bishop, J., 2011, Kintyre Uranium deposit - Geology and Mineralisation Styles, The AusIMM International Uranium Conference, Perth.
Ellis, R.G., de Wet, B. and Macleod, I.N., 2012 Inversion of magnetic data for remanent and induced sources. ASEG Extended Abstracts 2012 , 1-4.
Root, J.C. and Robertson, W.J., 1994. Geophysical Signature of the Kintyre Uranium Deposit, Western Australia.
Leaney, W.S., 1990, Parametric wavefield decomposition and applications: 60th Meeting, SEG, San Francisco, Expanded Abstracts, 1097-1100.
Jackson, D.G., and Andrew, R.L., 1990: Kintyre uranium deposit. In Geology of the Mineral Deposits of Australia and Papua New Guinea (Ed. F.E. Hughes), pp. 653-658 (the Australasian Institute of Mining and Metallurgy: Melbourne)

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Article Type: Research Article

Keyword(s): geological models; inversion; magnetic susceptibility; Uranium

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oa Magnetic modelling and geological modelling come together at the Kintyre uranium deposit

Abstract

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