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Ashton potassium grid

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 potassium grid has a cell size of 0.00083 degrees (approximately 91m) and shows potassium element concentration of the Ashton, WA,1994 in units of percent (or %). The data used to produce this grid was acquired in 1993 by the WA Government, and consisted of 51484 line-kilometres of data at 400m line spacing and 60m terrain clearance.

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Additional Info

Field Value
Title Ashton potassium grid
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/3aacb5e9-d2de-49f9-8798-6a8e66f0665d
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 01/11/1993 - 30/11/1993
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        125.98,
        -16.0313
      ],
      [
        128.0191,
        -16.0313
      ],
      [
        128.0191,
        -14.9688
      ],
      [
        125.98,
        -14.9688
      ],
      [
        125.98,
        -16.0313
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Ashton potassium grid". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/ashton-potassium-grid