Modeling of VTEM EM results over base-precious metals target, Western Australia

Ken Witherly

doi:10.1071/ASEG2007ab209

ISSN: 2202-0586
E-ISSN:

oa Modeling of VTEM EM results over base-precious metals target, Western Australia
Authors Ken Witherly^a
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^a Condor Consulting, Inc., . Lakewood, CO, , USA, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2007, Issue ASEG2007 - 19th Geophysical Conference, Dec 2007, p. 1 - 4
DOI: https://doi.org/10.1071/ASEG2007ab209
- Published online: 01 Dec 2007

Abstract

Summary

A VTEM airborne EM and magnetic survey was completed over an area in southwest Western Australia in 2004. The purpose of the program was to aid in the identification of additional base and precious mineralization as had previously been encountered in follow-up drilling to a Tempest airborne EM and magnetics survey.

As part of the assessment of the VTEM results, layered earth inversion and parametric modeling of the EM responses was undertaken. The outcomes of this work showed the two approaches were complimentary and appear to highlight different aspects of the mineralized system.

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2007-12-01

2026-01-13

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References

Ellis, R. G., 1998, Inversion of airborne electromagnetic data, 68th Ann. Internat. Mtg: Soc. of Expl. Geophys., 2016-2019.
Farquharson, C.G. and Oldenburg, D.W., 1993, Inversion of time-domain EM data for a horizontally layered earth, Geophysical Journal International, Vol. 114, pp 433-441.
Hampton Hill Mining NL web site: http://www.hamptonhill.com.au/; accessed October 3, 2007
Lane, R., A. Green, C. Golding, M. Owens, P. Pik, C. Plunkett, D. Sattel, and B. Thorn, 2000, An example of 3D conductivity mapping using the TEMPEST airborne electromagenetic system: 14th Geophysical Conference, ASEG, Expanded Abstracts, 31 , no.1/2, 162-172.
Taylor, M., 2004 ANNUAL REPORT Wheatley Project Pemberton - Irwin Inlet Sheet SI50-10 (2029 & 2129) Teck Cominco Australia Pty. Ltd. TR WHT04-06
Witherly, K., R. Irvine, and M. Godbout, 2004, Reid Mahaffy Test Site, Ontario Canada: An example of benchmarking in airborne geophysics: 74th Annual International Meeting, SEG, Expanded Abstracts , 1202-1204.
Witherly, K., 2005 VTEM Survey over the Wheatley project area Bridgetown, Western Australia for Teck Cominco Australia Pty. Ltd. February, 2005 Condor Consulting, Inc., Project 476

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Article Type: Research Article

Keyword(s): airborne EM; inversion; VTEM

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oa Modeling of VTEM EM results over base-precious metals target, Western Australia

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