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Geophysical survey at Mt Brown copper mine, Karangi, New South Wales

Created 16/10/2025

Updated 09/01/2026

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A geophysical test survey was made at the Mt. Brown Copper Mine, Karangi, N.S.W in October, 1954. The survey was undertaken by the Bureau of Mineral Resources at the request of the Mt. Brown Copper Mining Company, supported by the New South Wales Department of Mines, to assist in prospecting the leases for additional ore reserves. Reopening and developing the present workings is uneconomical without further prospects. Self-potential, electromagnetic and radioactive methods were used in the survey. The magnetic results show a distinct pattern, but this appears to be unrelated to the known deposit and cannot be interpreted satisfactorily until a regional geological survey of the area has been made. It is recommended that this be done. No self-potential anomalies or electromagnetic indications which could be caused by an ore body, were obtained in the surveyed area. Parts of the area were unsuitable for electromagnetic work because of the effects of electric power lines. The very weak variations observed in the self-potential values are accounted for by small local surface effects. .Random radioactive readings over the area gave no indications of radioactivity above background level.

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Field Value
Title Geophysical survey at Mt Brown copper mine, Karangi, New South Wales
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/b1af3d0d-f939-49a1-a399-d2b56c4ceb29
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 24/11/2025
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        153.0,
        -31.0
      ],
      [
        154.5,
        -31.0
      ],
      [
        154.5,
        -30.0
      ],
      [
        153.0,
        -30.0
      ],
      [
        153.0,
        -31.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Geophysical survey at Mt Brown copper mine, Karangi, New South Wales". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/geophysical-survey-at-mt-brown-copper-mine-karangi-new-south-wales