The VTEM heli-time domain EM system-Four Case Studies

Ken Witherly; Richard Irvine

doi:10.1071/ASEG2006ab083

ISSN: 2202-0586
E-ISSN:

oa The VTEM heli-time domain EM system-Four Case Studies
Authors Ken Witherly^a and Richard Irvine^b
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^a Condor Consulting, Inc., , USA, [email protected] ^b Condor Consulting, Inc., , USA, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2006, Issue ASEG2006 - 18th Geophysical Conference, Dec 2006, p. 1 - 4
DOI: https://doi.org/10.1071/ASEG2006ab083
- Published online: 01 Dec 2006

Abstract

The Geotech Ltd. VTEM heli-time domain EM system entered into commercial service in late 2002 after a de-velopment program that started in early 2001. Since then, the system has performed commercial surveys in North and South America, Australia, Africa, Europe and Asia.

The VTEM system has been used to explore for a wide variety of deposit styles in a diverse range of settings. The results of four surveys are presented that demon-strate the performance of the VTEM compared with other airborne and ground EM geophysical outcomes.

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2006-12-01

2026-01-18

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References

Balch, S. J., Boyko, W. and Paterson, 2003, The AeroTEM airborne electromagnetic system: THE LEADING EDGE, 22, no. 6, 562-566.
Doyle B.J, Kivi K., and Scott Smith B.H., 1999. The Tli Kwi Cho (DO27 and DO18) Diamondiferous Kimberlite Complex, Northwest Territories, Canada. In: Proceedings of the Seventh International Kimberlite Conference, J. Gurney, J. Gurney, M. Pascoe, S. Richardson (eds), pp. 163-170.
Jansen, J. and Witherly, K., 2004, The Tli Kwi Cho Kimberlite complex, Northwest Territories, Canada: A geophysical case study, 74th Ann. Internat. Mtg.: Soc. of Expl. Geophys., 1147-1150.
Lane, R., Green, A., Golding, C., Owens, M., Pik, P., Plunkett, C., Sattel, D. and Thorn, B., 2000, An example of 3D conductivity mapping using the TEMPEST airborne electromagnetic system: 14th Geophysical Conference, Austr. Soc. Expl. Geophys., 31, 162-172.
Smith, R., Fountain, D. and Allard, M., 2003, The MEGATEM fixed-wing transient EM system applied to mineral exploration: a discovery case history: First Break, 21, no. 7.
Visser, S., Pezzot, E. and Carter, N., 2002, Time domain EM and magnetic mapping of the Ferguson Lake Nickel-Copper-Cobalt-PGE property, 72nd Ann. Internat. Mtg: Soc. of Expl. Geophys., 408-411.
Witherly, K., Irvine, R. and Morrison, E., 2004, The Geotech VTEM time-domain helicopter EM system, 74th Ann. Internat. Mtg.: Soc. of Expl. Geophys., 1217-1220.

/content/journals/10.1071/ASEG2006ab083

Article Type: Research Article

Keyword(s): airborne electromagnetics; minerals exploration; time domain; VTEM

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