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This study deals with the construction and application of a scale model horizontal loop electromagnetic system whose function is to quantitatively measure the in-phase portion of the vertical component of an anomalous secondary field induced by a conductor. The case modelled is that of a conducting half-plane possessing a low resistivity. For the interpretation of this type of anomaly fifteen type curves based on scale model experiments, one characteristic curve and four interpretation examples are presented to illustrate the application of these measurements towards the interpretation of horizontal loop anomalies obtained from field observations. An effort has been made to briefly compare the results obtained from these experiments against those formulated from electromagnetic theory.

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Pages: 46
Supervisor: Peter Reynolds

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