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Mapping electrical conductivity structure for geological interpretation and mineral prospectivity - Geoscience Australia's MT program

Created 16/10/2025

Updated 16/10/2025

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The magnetotellurics (MT) method maps the electrical conductivity/resistivity structure of the subsurface, which provides crucial information for mineral exploration. Geoscience Australia has actively applied the method to provide multiscale world-leading datasets to improve the understanding of geology and resource potential. We demonstrate the value of scaled MT data acquisition starting from mapping large-scale conductivity structures in the lithosphere utilising long-period MT datasets through to the resolution of finer scale structures in the crust suitable for camp scale targeting. Integration of data from multiscale surveys provides an effective way to narrow the search space and to identify ‘targets’ of mineral potential in covered terranes. Our work has helped to increase explorers’ investment confidence for new mineral discoveries in greenfield regions.

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Additional Info

Field Value
Title Mapping electrical conductivity structure for geological interpretation and mineral prospectivity - Geoscience Australia's MT program
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/7938ff2f-6459-461b-9028-961ddf9c54a1
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 08/04/2019
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        112.0,
        -44.0
      ],
      [
        154.0,
        -44.0
      ],
      [
        154.0,
        -9.0
      ],
      [
        112.0,
        -9.0
      ],
      [
        112.0,
        -44.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Mapping electrical conductivity structure for geological interpretation and mineral prospectivity - Geoscience Australia's MT program". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/mapping-electrical-conductivity-structure-for-geological-interpretation-and-mineral-prospectivi