A geological interpretation of observed electrical structures in the regolith: Lawlers, Western Australia

Exploration Geophysics

Volumn 32, Issue 1, 2001, Pages 36-47

  Munday, Tim J ^a   Macnae, James ^b   Bishop, John ^c   Sattel, Daniel ^d  

^a CSIRO   (Australia)

^b CD3D Pty Ltd   (Australia)

^c Mitre Geophysics Pty Ltd   (Australia)

^d Fugro Geoteam Limited   (United States)

Author keywords

Airborne electromagnetics; And geology; Electrical structures; Lawlers; Regolith; Western Australia

Indexed keywords

EID: 23844490107     PISSN: 08123985     EISSN: 18347533     Source Type: Journal    
DOI: 10.1071/EG01036     Document Type: Article

References (36)

1. Anand, R.R., Churchward, H.M., Smith, R.E. and Grunsky, E.C., 1991, Regolithlandform development and consequences on the characteristics of regolith units, Lawlers district, Western Australia: CSIRO IMEC Division of Exploration Geoscience Restricted Report 166R, 160p.
2. Barnes, S.J., 1990, Annual Report, Lawlers south project, Hunter Resources Limited.
3. Bettenay, E., Blackmore, A.V., and Hingston, F.J., 1964, Aspects of the hydrological cycle and related salinity in the Belka Valley, Western Australia: Aus J. Soil Res., 2, 187-210.
4. Bishop J., Satell, D., Macnae, J., and Munday, T.J., 2001, The electrical structure of the regolith in the Lawlers District, W.A.: Exploration Geophysics, 32, 20-28.
5. Brand, N.W. and Butt, C.R.M., 1995, The Mount Keith MKD5 nickel sulphide deposit: In: Butt, C.R.M., Anand, R.R., and Smith, R.E., Eds., Regolith geology and exploration geochemistry in theYilgarn Craton, Western Australia, Excursion 3, Proceedings of the 17th International Geochemical Exploration Symposium, 5- 12 May 1995, CSIRO Division of Exploration and Mining, 53-65.
6. Buselli, G. and Williamson, D., 1996, Modelling of broadband airborne electromagnetic responses from saline environments: Geophysics, 61, 1624-1632.
7. Butt, C.R.M. and Nickel, E.H., 1981, Mineralogy and Geochemistry of the weathering of the disseminated sulphide deposit at Mt. Keith, Western Australia: Economic Geology, 76, 1736-1751.
8. de Broekert, P., 1996, An assessment of airborne electromagnetics for hydrogeological interpretation in the wheatbelt, Western Australia: Agriculture Western Australia Resource Management Technical Report, No. 151, 90pp.
9. Duncan, A.C., Roberts, G.P., Buselli G., Pik, J.P., Williamson, D.R., Roocke, P.A., Thorn, R.G. and Anderson, A., 1992, Saltmap - airborne EM for the environment: Exploration Geophysics, 23, 123-126.
10. Eisenlohr, B., 1987, Structural geology of the Kathleen Valley, Lawlers region, Western Australia, and some implications for Archaean gold mineralisation: In S.E. Ho and Groves, D.J., Eds., Recent Advances in Understanding Precambrian Gold Deposits, Publication No 11, p. 85-95, The Geology Department and University Extension, The University of Western Australia, Perth.
11. Emerson, D.W. and Yang, Y.P., 1997, Effects of water salinity and saturation on the electrical resistivity of clays: Preview, 68, 19-24.
12. Emerson, D.W., Macnae, J., and Sattel, D., 2000, Physical properties of the regolith in the Lawlers area, Western Australia: Exploration Geophysics, 31, 229-235.
13. Gozzard, J.R., and Tapley, I.J., 1992, Regolith-landform mapping in the Lawlers district, terrain classification mapping: Vol. 1 & 2, CSIRO IMEC Division of Exploration Geoscience Restricted Report 240R, 227 p.
14. Gray, D.J., 1994, Investigation of the hydrogeochemical dispersion of gold and other elements at Lawlers, Western Australia: CSIRO Exploration and Mining Restricted Report 26R: VI & II, 151 p.
15. Hingston, F.J., and Gailitis, V., 1976, The geographic variation of salt precipitated over Western Australia: Aust J. Soil Research, 14, 319-335.
16. Johnston, C.D., 1987a, Distribution of environmental chloride in relation to subsurface hydrology: J. Hydrology, 94, 67-88.
17. Johnston, C.D., 1987b, Preferred water flow and localised recharge in a variable regolith: J. Hydrology, 94, 129-142.
18. Johnson, S.L., Commander D.P., and O'Boy, C.A., 1999, Groundwater Resources of the Northern Goldfields, Western Australia: Water and Rivers Commission Hydrological Record Series Report HG2, 57pp.
19. Lui, S.F., Griffen, T. J., Wyche, S. and Westaway, J. M., 1996, Sir Samuel, W.A. Sheet 3042: Western Australian Geological Survey, 1:100, 000 Geological Series.
20. Macnae, J. C., Bishop, J. R., and Munday, T. J., 2001., Simplified electrical structure models at AEM scales: Exploration Geophysics, 32, 29-35.
21. McArthur, J.M., Turner, J., Lyons, W.B., and Thirlwall, M.F., 1989, Salt sources and water-rock interaction on theYilgarn Block, Australia: Isotopic and major element tracers: Applied Geochemistry, 4, 79-92.
22. Munday, T. J., Bishop, J. R., Macnae, J. C., and Sattel, D., 1997, Regolith electrical structures: The Lawlers district, Western Australia: CRC AMET - CSIRO restricted report 389R (open file).
23. Naldrett, A.J. and Turner, A.R., 1977, The geology and petrogenesis of a greenstone belt and related nickel sulphide mineralisation at Yakabindie, Western Australia: Precambrian Research, 5, 43-103.
24. Palacky, G.J., 1989, Advances in geological mapping with airborne electromagnetic systems: In G.D. Garland, Ed., Proceedings of Exploration '87, Ontario Geological Survey special volume 3, 137-152
25. Palacky, G.J. and Kadekaru, K., 1979, Effect of tropical weathering on electrical and electromagnetic measurements: Geophysics, 44, 60-88.
26. Platt, J.P., Allchurch, P.D., and Rutland, R.W.R., 1978, Archaean tectonics in the Agnew supracrustal belt, Western Australia: Precambrian Res., 7, 3-30.
27. Pracilio, G, Street, G. J., Nallan Chakravartula, P., Angeloni, J. R., Sattel, D., Owers, M., and Lane, R., 1998, 3, Lake Toolibin SALTMAP Survey: Interpretation Report: NDSP, Report. p146.
28. Rive, M., 1993, Geophysical mapping of a gold bearing laterite within the regolith, Meotoa prospect, Lawlers, W.A., Unpublished Honours Thesis, Curtin University, W.A.
29. Sattel, D., 1996. Resolving shallow conductivity structures in the Lawlers regolith and the feasibility of an EM gradiometer; Unpublished PhD thesis, The Macquarie University.
30. Sattel, D., 1998. Conductivity information in three dimensions: Exploration Geophysics, 29, 157-162.
31. Smith, R.E., Anand, R.R., Churchward H.M., Robertson, I.D.M., Grunsky E.C., Gray D.J., Wildman J.E., and Perdix J.L, 1992, Laterite geochemistry for detecting concealed mineral deposits, Yilgarn Craton, Western Australia: Summary Report for CSIRO-AMIRA Project P240, Restricted Report 236R, 170 p.
32. Twomey, R.F., 1992, Regolith-landform relationships in the Agnew area and multielement dispersion into the weathering profiles of the Genesis andWaroonga gold deposits, Lawlers District, W. A.: Unpublished Honours Thesis, Dept. Geological Sciences, Univ. of Western Australia.
33. Ward, R.S., 1993, Regolith landforms and geochemical dispersion in transported regoliths in the Genesis gold deposit, Agnew Region, Western Australia: Unpublished Honours Thesis, School of Applied Geology, Curtin University, 77p.
34. Ward, S.H. and Hohmann, G.W., 1987, Electromagnetic theory for geophysical applications: In: Nabighian, M.N., Ed., Electromagnetic methods in applied geophysics, V.1, Theory, Investigations in Geophysics, Society of Exploration Geophysics, 203-252.
35. Whincup, P., and Domahidy, G., 1982a, The Agnew nickel project - groundwater supply: Proceedingsawrc conference, Canberra: groundwater in fractured rock, 251-260.
36. Whincup, P., and Domahidy, G., 1982b, The Agnew nickel project - no. 1 mine dewatering: Proceedings AWRC conference, Canberra: groundwater in fractured rock, 261-271.