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Rock property data (densities and magnetic susceptibilities) for hand sample and drill core specimens in the Tanami region

Created 16/10/2025

Updated 16/10/2025

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Density and magnetic susceptibility measurements were taken from 254 rock samples in the Tanami region to provide rock property constraints during modelling. Multiple measurements were taken for each rock type, in each geological package, in order to provide a statistically representative sample for each package. The samples covered a large geographic portion of the model area, to account for any regional variations in rock properties. Samples selected for measurement were confined to rocks of the Tanami basement and the Birrindudu Group platform cover. Three rock sample datasets were accessed and consist of: Bureau of Mineral Resources (BMR) drill core collected during reconnaissance mapping of the Tanami Region in the early seventies (Blake, 1974) in order to penetrate cover and sample basement rock; NTGS hands samples collected as part their Tanami region project; and NTGS drill core collected as part their Tanami region project.

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Field Value
Title Rock property data (densities and magnetic susceptibilities) for hand sample and drill core specimens in the Tanami region
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/9f836ee6-fcdc-4a6a-a253-c8f46355f3f0
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        128.0,
        -22.0
      ],
      [
        132.0,
        -22.0
      ],
      [
        132.0,
        -18.0
      ],
      [
        128.0,
        -18.0
      ],
      [
        128.0,
        -22.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Rock property data (densities and magnetic susceptibilities) for hand sample and drill core specimens in the Tanami region". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/rock-property-data-densities-and-magnetic-susceptibilities-for-hand-sample-and-drill-core-speci