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Mount Isa Inlier 1:100 000 geology: lithostratigraphy and chronostratigraphy

Created 16/10/2025

Updated 16/10/2025

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These data are a digital representation of information depicted on the printed maps of Seigal, Hedleys Creek, Carrara Range Region, Lawn Hill Region, Riversleigh, Constance Range Region, Mount Oxide Region, Mammoth Mines Region, Myally, Alsace, Coolullah, Kennedy Gap, Prospector, Quamby, Mount Isa, Mary Kathleen, Marraba, Cloncurry, Oban, Duchess Region, Malbon, Kuridala Region, Selwyn Region, Dajarra and Ardmore 1:100 000 Geological Series and Mount Drummond 1:250 000 Geological Series produced by AGSO, the Geological Survey of Queensland (GSQ) and Northern Territory Geological Survey (NTGS). Data present include geological polygons (litho-stratigraphic units), linear structural features (faults, dykes, folds, trends, lineaments etc), and point features (mines, structural points etc). Polygons have a range of attributes extracted from each individual map including unit name, era, period and lithological description, while lines and points are feature coded according to the AGSO publication 'Symbols Used On Geological Maps' (BMR 1989). A standard look-up table of AGSO geological codes and associated descriptions is available (see ADDITIONAL METADATA). The data has gradually evolved from elementary CAD quality data into its present topologically structured GIS format, and hence has many imperfections and inconsistencies. Data has undergone rigorous validation and testing that includes over 80 different tests.

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Additional Info

Field Value
Title Mount Isa Inlier 1:100 000 geology: lithostratigraphy and chronostratigraphy
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/cb39210d-bf05-450a-b924-63214ff307a5
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        136.5,
        -22.0
      ],
      [
        141.0,
        -22.0
      ],
      [
        141.0,
        -17.5
      ],
      [
        136.5,
        -17.5
      ],
      [
        136.5,
        -22.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Mount Isa Inlier 1:100 000 geology: lithostratigraphy and chronostratigraphy". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/mount-isa-inlier-1-100-000-geology-lithostratigraphy-and-chronostratigraphy