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GSWA Kurnalpi North Thorium Grid Geodetic

Created 16/10/2025

Updated 16/10/2025

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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 0.00021 degrees (approximately 22m) and shows thorium element concentration of the Kurnalpi North, WA, 2013 in units of parts per million (or ppm). The data used to produce this grid was acquired in 2013 by the WA Government, and consisted of 92672 line-kilometres of data at 100m line spacing and 50m terrain clearance.

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Additional Info

Field Value
Title GSWA Kurnalpi North Thorium Grid Geodetic
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/e452f7c6-3e52-4069-ad95-011dcbbba963
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 06/08/2013 - 15/03/2014
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        121.4832,
        -30.5136
      ],
      [
        123.0135,
        -30.5136
      ],
      [
        123.0135,
        -29.9899
      ],
      [
        121.4832,
        -29.9899
      ],
      [
        121.4832,
        -30.5136
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "GSWA Kurnalpi North 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/gswa-kurnalpi-north-thorium-grid-geodetic