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GSNSW Exploration NSW Area H Cargelligo Narrandera thorium 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 thorium grid has a cell size of 0.00049 degrees (approximately 50m) and shows thorium element concentration of the NSW DMR, Discovery 2000, Cargelligo/Narrandera, AREA H, 1995 in units of parts per million (or ppm). The data used to produce this grid was acquired in 1995 by the NSW Government, and consisted of 123700 line-kilometres of data at 250m line spacing and 60m terrain clearance.

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Additional Info

Field Value
Title GSNSW Exploration NSW Area H Cargelligo Narrandera thorium grid geodetic
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/9eb6a06d-ad09-4a50-8ba8-364a324fa5a6
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 08/11/1995 - 20/01/1996
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        145.4359,
        -35.01
      ],
      [
        147.043,
        -35.01
      ],
      [
        147.043,
        -32.9841
      ],
      [
        145.4359,
        -32.9841
      ],
      [
        145.4359,
        -35.01
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "GSNSW Exploration NSW Area H Cargelligo Narrandera thorium grid geodetic". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/gsnsw-exploration-nsw-area-h-cargelligo-narrandera-thorium-grid-geodetic