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NT Tanumbirini pct 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 91m) and shows potassium element concentration of the Tanumbirini-Broadmere-Velkerri merge, 1983-2007 in units of percent (or %). The data used to produce this grid was acquired in 1983 by the NT Government, and consisted of 56185 line-kilometres of data at a line spacing between 300m and 500m, and 80m terrain clearance.

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Additional Info

Field Value
Title NT Tanumbirini pct Potassium Grid geodetic
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/6328ea68-4bf6-430c-ab55-d9f36b02c189
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 31/07/1983 - 15/09/2007
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        133.204929,
        -17.2
      ],
      [
        135.217211,
        -17.2
      ],
      [
        135.217211,
        -15.368936
      ],
      [
        133.204929,
        -15.368936
      ],
      [
        133.204929,
        -17.2
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "NT Tanumbirini pct 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/nt-tanumbirini-pct-potassium-grid-geodetic