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Dubbo potassium 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 potassium grid has a cell size of 0.00083 degrees (approximately 85m) and shows potassium element concentration of the Dubbo Detail NSW 1991 in units of percent (or %). The data used to produce this grid was acquired in 1991 by the NSW Government, and consisted of 63636 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 Dubbo potassium grid geodetic
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/4dea3e9a-6971-45b7-95c7-97b8d1bcfa07
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 11/03/1991 - 27/05/1991
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        148.3986,
        -33.0579
      ],
      [
        150.0977,
        -33.0579
      ],
      [
        150.0977,
        -31.9321
      ],
      [
        148.3986,
        -31.9321
      ],
      [
        148.3986,
        -33.0579
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

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