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GSNSW Exploration NSW Area J Cobar Nymagee Part2 thorium grid geodetic

Created 16/10/2025

Updated 16/10/2025

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This GSNSW Exploration NSW Area J Cobar Nymagee Part2 thorium grid geodetic is an airborne-derived radiometric thorium window countrate grid for the Cobar-Nymagee Part 2, NSW, 1999 survey. 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 thorium (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 GSNSW Exploration NSW Area J Cobar Nymagee Part2 thorium grid geodetic has a cell size of 0.00049 degrees (approximately 50m). The data are in units of counts per second (or cps). The data used to produce this grid was acquired in 1999 by the NSW Government, and consisted of 31212 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 J Cobar Nymagee Part2 thorium grid geodetic
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/03d335eb-3d8b-4d67-ace7-6b1ac44fa74b
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 01/07/1999 - 31/07/1999
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        145.9542,
        -33.0416
      ],
      [
        147.0506,
        -33.0416
      ],
      [
        147.0506,
        -31.5259
      ],
      [
        145.9542,
        -31.5259
      ],
      [
        145.9542,
        -33.0416
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "GSNSW Exploration NSW Area J Cobar Nymagee Part2 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-j-cobar-nymagee-part2-thorium-grid-geodetic