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Inspection of radiometric anomalies "A.B.C." Reserve, Katherine, Northern Territory

Created 16/10/2025

Updated 09/01/2026

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A car-borne radio-metric survey of the B-volcanic formation within the reservation surrounding the A.B.C. uranium prospect indicated 32 small areas in which the radio-activity was a little in excess of 1.5 times, and in places a little higher than twice the background count of the alluvium in the valley. Testing of each area with an Austronic P.R.M. 200 failed to reveal any sources of higher radio-activity. Most of the anomalies are due to a comparatively high background count given by exposed basalt. Four anomalies found in black or dark soil in damp portions of the valley are considered to be due to traces of radio-active elements absorbed by humus. One anomaly appeared to be due to traces of radio-active material contained in "lateritized" alluvium. The other anomalies are in alluvium, and are due either to the presence of basalt a few inches from the surface, or to traces of radio-active matter deposited from seeping ground-water. Radio-metric contouring, with a view to possible costeaning, has been recommended in a small area within exposed basalt, where counts of approximately 200 per minute were obtained. No additional work is recommended on any of the other anomalies.

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Additional Info

Field Value
Title Inspection of radiometric anomalies "A.B.C." Reserve, Katherine, Northern Territory
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/cd4b8e54-21b9-432d-af8e-e394d57dff28
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 24/11/2025
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        132.2,
        -14.5
      ],
      [
        132.5,
        -14.5
      ],
      [
        132.5,
        -14.2
      ],
      [
        132.2,
        -14.2
      ],
      [
        132.2,
        -14.5
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Inspection of radiometric anomalies "A.B.C." Reserve, Katherine, Northern Territory". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/inspection-of-radiometric-anomalies-a-b-c-reserve-katherine-northern-territory