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Mackay - Mackay, NT, 1998 (P1005), radiometric line data, AWAGS levelled

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 Mackay - Mackay, NT, 1998 (P1005), radiometric line data, AWAGS levelled were acquired in 1998 by the NT Government, and consisted of 165347 line-kilometres of data at 400m line spacing and 60m terrain clearance. To constrain long wavelengths in the data, an independent data set, the Australia-wide Airborne Geophysical Survey (AWAGS) airborne magnetic data, was used to control the base levels of the survey data. This survey data is essentially levelled to AWAGS.

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Additional Info

Field Value
Title Mackay - Mackay, NT, 1998 (P1005), radiometric line data, AWAGS levelled
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/645afea9-db72-4e12-bca6-72d927236888
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 01/07/1998 - 30/09/1998
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        128.9752,
        -23.0294
      ],
      [
        130.5165,
        -23.0294
      ],
      [
        130.5165,
        -21.9796
      ],
      [
        128.9752,
        -21.9796
      ],
      [
        128.9752,
        -23.0294
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Mackay - Mackay, NT, 1998 (P1005), radiometric line data, AWAGS levelled". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/mackay-mackay-nt-1998-p1005-radiometric-line-data-awags-levelled