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Electromagnetic induction information from differences at aeromagnetic crossover points

Hitchman, A; Lilley, Frederick (Ted); Milligan, P


This paper describes an investigation of the use of aeromagnetic crossover misfits as a source of geological information. The misfits occur when, at a crossover point of an aeromagnetic survey, the separate measurements of the Earth's magnetic field are not the same. Misfits are mainly the result of time-dependent field changes and, in this paper, are analysed as indicators of electromagnetic induction in the Earth, and thus of electrical conductivity structure. The method derives estimates of...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
Source: Geophysical Journal International


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