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GSSA Coompana Infill thorium Grid Geodetic

Created 17/10/2025

Updated 17/10/2025

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The radiometric, or gamma-ray spectrometric method, measures the natural variations in the gamma-rays detected near the Earth's surface as the result of the natural radioactive decay of potassium (K), uranium (U) and thorium (Th). The data collected are processed via standard methods to ensure the response recorded is that due only to the rocks in the ground. The results produce datasets that can be interpreted to reveal the geological structure of the sub-surface. The processed data is checked for quality by GA geophysicists to ensure that the final data released by GA are fit-for-purpose. This radiometric thorium grid has a cell size of 0.00042 degrees (approximately 43m) and shows thorium element concentration of the Coompana, SA, 2015 in units of parts per million (or ppm). The data used to produce this grid was acquired in 2015 by the SA Government, and consisted of 286817 line-kilometres of data at a line spacing between 200m and 400m, and 80m terrain clearance.

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Additional Info

Field Value
Title GSSA Coompana Infill thorium Grid Geodetic
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/8c2c3f19-0a6e-47da-8ed4-5404339a6fd2
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 16/02/2015 - 24/02/2016
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        129.1867,
        -31.4032
      ],
      [
        130.0641,
        -31.4032
      ],
      [
        130.0641,
        -30.7881
      ],
      [
        129.1867,
        -30.7881
      ],
      [
        129.1867,
        -31.4032
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "GSSA Coompana Infill thorium Grid Geodetic". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/gssa-coompana-infill-thorium-grid-geodetic