From Geoscience Australia
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Ararat Ballarat uranium 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 uranium grid has a cell size of 0.00083 degrees (approximately 83m) and shows uranium element concentration of the Ararat-Ballarat merge, 1990-1992 in units of parts per million (or ppm). The data used to produce this grid was acquired in 1990 by the VIC Government, and consisted of 51328 line-kilometres of data at a line spacing between 200m and 400m, and 100m terrain clearance.

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Additional Info

Field Value
Title Ararat Ballarat uranium grid geodetic
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/a455de3b-b5cb-4044-bbf0-1c1eb127e165
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 05/01/1990 - 27/04/1992
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        142.3979,
        -38.1021
      ],
      [
        144.1021,
        -38.1021
      ],
      [
        144.1021,
        -36.8979
      ],
      [
        142.3979,
        -36.8979
      ],
      [
        142.3979,
        -38.1021
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Ararat Ballarat uranium grid geodetic". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/ararat-ballarat-uranium-grid-geodetic