The Elura DIGHEMII survey

G. Staltari; H. Rutter

doi:10.1071/EG9804098

ISSN: 0812-3985
E-ISSN: 1834-7533

The Elura DIGHEMII survey
Authors G. Staltari and H. Rutter
Publisher: Australian Society of Exploration Geophysicists
Source: Exploration Geophysics, Volume 11, Issue 4, Dec 1980, p. 98 - 102
DOI: https://doi.org/10.1071/EG9804098
- Published online: 01 Dec 1980

Abstract

Results from the Elura DIGHEM" survey indicate that the ore-body was not detected by the towed-bird helicopter-borne system. Although the bulk oxidation zone response was suppressed by data processing, all of the electromagnetic anomalies outlined appear to be caused by discrete changes in the conductivity-thickness product of the oxidation zone, mean terrain clearance and aerodynamic instability of the bird above the conductive ground. The quantitative interpretation algorithms were found extremely useful in supporting the qualitative study of the results. The INPUT Mark V survey provided data for comparison purposes. There appear to be no differences in the overall effectiveness of the two EM systems in the environment encompassing the Elura deposit.

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1980-12-01

2026-01-23

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References

BARRINGER, A. R., 1962. The INPUT airborne electromagnetic prospecting system. Presented to AIME Annual Meeting, New York, February.
DAVIS, L., 1980. Case history of the Elura discovery. Bull. Aust.Soc. Explor. Geophys., v. 11, this volume.
DIGHEM LTD., 1980. Dighem11 survey in the eastern states of Australia for The BHP Co. Ltd.
FRASER, D. C, 1972. A new multicoil aerial electromagnetic prospecting system. Geophysics, v. 37, pp. 518-537.
FRASER, D. C, 1974. Survey experience with the Dighem AEM system. Can. Inst. Mining Bull., April, pp. 97-103.
FRASER, D. C, 1978. Resistivity mapping with an airborne multicoil electromagnetic system. Geophysics, v. 43, pp. 144-172.
FRASER, D. C, 1979. The multicoil II airborne electromagnetic system. Geophysics, v. 44, pp. 1367-1394.
LAZENBY, P. G., 1972. Examples of field data obtained with the INPUT airborne electro-magnetic system. Toronto, Questor Surveys Ltd., pp. 1-28.
PALACKY, G. J., 1975. Interpretation of INPUT AEM measurement in areas of conductive overburden. Geophysics, v. 40, pp. 490-502.
PATERSON, N. R., 1971. Airobrne electro-magnetic methods as applied to the search for sulphide deposits. Can Inst. Mining Bull., January, pp. 29-38.
WAGG, D. M., 1970. Airborne electro-magnetic systems. Ottawa, Geoterrex Ltd., pp. 1-12.

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Article Type: Research Article

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The Elura DIGHEMII survey

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