‘Ground-Truth’ in Aeromagnetism

Colin V. Reeves

doi:10.1071/EG993207

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

‘Ground-Truth’ in Aeromagnetism
Authors Colin V. Reeves^a
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^a Australian Geological Survey Organisation, GPO Box 378 Canberra, ACT, 2601
Publisher: Australian Society of Exploration Geophysicists
Source: Exploration Geophysics, Volume 24, Issue 2, Jun 1993, p. 207 - 208
DOI: https://doi.org/10.1071/EG993207
- Published online: 01 Jun 1993

Abstract

One of the unkowns in the interpretation of magnetic anomalies is often the magnetic properties of the source rocks. These properties can, however, be measured independently and at a cost that is small compared with the cost of carrying out an airborne survey. A systematic programme of rock-property measurements, linked to geological mapping in new aeromagnetic survey sheet areas, could develop into a valuable resource for all those using geophysical map data of Australia. Some examples from Africa are used to illustrate these points.

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2026-01-18

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References

BMR, (1992), ‘Evaluation of the Geophysical Observatories Program’, 93pp.
Grant, F.S., Misener, D.J., Reeves, C.V., and Angoran, Y., (1980), An airborne magnetometer and gamma-ray spectrometer survey of Ivory Coast’. EOS (Transactions American Geophysical Union), 61, 416.
Henkel, H., (1991), ‘Petrophysical properties (density and magnetisation) of rocks from the northern part of the Baltic Shield’. Tectonophysics, 192, 1–19.
Reeves, C.V., (1978), ‘A failed Gondwana spreading axis in southern Africa’. Nature, 273, 222–223.
Reeves, C.V., (1989), ‘Aeromagnetic interpretation and rock magnetism’. First Break, 7, 275–286.

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Article Type: Research Article

Keyword(s): aeromagnetic surveys; rock magnetism.

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‘Ground-Truth’ in Aeromagnetism

Abstract

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