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Evans Head (Beach Sands Project), NSW, 1975 (P424), radiometric line data

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 Evans Head (Beach Sands Project), NSW, 1975 (P424), radiometric line data were acquired in 1975 by the NSW Government, and consisted of 1286 line-kilometres of data at 400m line spacing and 100m terrain clearance.

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Additional Info

Field Value
Title Evans Head (Beach Sands Project), NSW, 1975 (P424), radiometric line data
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/f0ae9d92-6bd9-4755-b681-2f1a8c23a6bf
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 15/11/1975 - 16/11/1975
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        153.1791,
        28.9829
      ],
      [
        153.5259,
        28.9829
      ],
      [
        153.5259,
        29.4037
      ],
      [
        153.1791,
        29.4037
      ],
      [
        153.1791,
        28.9829
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Evans Head (Beach Sands Project), NSW, 1975 (P424), radiometric line data". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/evans-head-beach-sands-project-nsw-1975-p424-radiometric-line-data