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Preliminary report: geophysical survey at Cobar, New South Wales

Created 17/10/2025

Updated 17/10/2025

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This geophysical survey was undertaken as part of a campaign by the N.S.W. Mines Department and the Commonwealth Bureau of Mineral Resources to explore the ore possibilities of the Cobar Mining Field. Tests, made in January 1947, on specimens of ore from the operating mines showed that some of the ore from the New Cobar and Chesney Mines exhibited appreciable magnetisation due to its pyrrhotite and possibly magnetite content. The survey was commenced in March, 1947 using the magnetic method only as a first method of attack. Watts Vertical Force Variometers Nos. 15887 and 16128 were used, the field work being carried out by the writers. The geology of the area, object of the survey, results, and recommendations for future drilling are discussed in this report. Two accompanying plans are included.

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Additional Info

Field Value
Title Preliminary report: geophysical survey at Cobar, New South Wales
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/baa2d197-1314-4a5d-acb4-10746af09a8a
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        145.6,
        -31.7
      ],
      [
        146.0,
        -31.7
      ],
      [
        146.0,
        -31.3
      ],
      [
        145.6,
        -31.3
      ],
      [
        145.6,
        -31.7
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Preliminary report: geophysical survey at Cobar, 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/preliminary-report-geophysical-survey-at-cobar-new-south-wales