1993•Exploration GeophysicsRequires access
Significance of overprint magnetizations in the Palaeoproterozoic Kombolgie Formation, western McArthur Basin, N.T.
John W. Giddings, M. Idnurm
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Abstract
The highlights of a palaeomagnetic study of the Palaeoproterozoic Kombolgie Formation, western McArthur Basin, are reported. We show that the Kombolgie Formation preserves a remarkable record of seven distinct periods of magnetic overprinting, and that magnetic overprinting can be used as a sensitive tracer of fluid passage. The overprint record also increases our understanding of the geological evolution of the Basin.