Extracting Reliable Geological Information from Electromegnetic Datasets in a Regolith Dominated Terrain: Capricorn Orogen, Western Australia

Sasha Banaszczyk

Research output: ThesisDoctoral Thesis

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Abstract

The sedimentary basins of the Capricorn Orogen, WA are prospective for base-metal mineralisation, however, the discovery of new mineral occurences has been hampered by the orogen's thick regolith. This thesis presents interpretations of the potentially prospective Capricorn Orogen basins from AEM and MT data. It was shown that AEM surveys can detect conductive ore zones 440m below the surface, but accurate AEM inversions are limited to resolving layered geology, and deep conductors located at 100m below regolith. MT methods improve on AEM results and recover the depth to top and geometry of conductive basin units to 2km-4km below the surface.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • The University of Western Australia
Thesis sponsors
Award date18 Mar 2020
DOIs
Publication statusUnpublished - 2020

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