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Duchess and Oban 1:100 000 digital geology, part of Mount Isa geological digital data set

Created 16/10/2025

Updated 16/10/2025

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This digital data package comprises all available 1:100 000 scale first edition and unpublished preliminary geological maps of the Mount Isa Inlier, Murphy Tectonic Ridge, South Nicholson Basin and southern McArthur Basin. It also includes parts of the Mount Drummond and Lawn Hill 1:250 000 sheets which have not been mapped at 1:100 000 scale. The complete data set covers 19 full, 5 combined and 4 part 100,000 scale map sheets. All faults within this area have been coded uniquely to facilitate metallogenic analysis. The data, currently version 2.1, can be downloaded and comprises either MapInfo or Arcinfo/Arcview formats. For Arcview, unique legends have been created for the geology layers of each individual dataset, uniform across the whole of the Mount Isa dataset.

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Additional Info

Field Value
Title Duchess and Oban 1:100 000 digital geology, part of Mount Isa geological digital data set
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/57678f6d-8cda-4de5-bf1f-1b17f445f5bc
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        139.5,
        -21.5
      ],
      [
        140.0,
        -21.5
      ],
      [
        140.0,
        -21.0
      ],
      [
        139.5,
        -21.0
      ],
      [
        139.5,
        -21.5
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Duchess and Oban 1:100 000 digital geology, part of Mount Isa geological digital data set". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/duchess-and-oban-1-100-000-digital-geology-part-of-mount-isa-geological-digital-data-set