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Yorke Peninsula (Moonta Subdomain) GIS Dataset

Created 16/10/2025

Updated 16/10/2025

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The Moonta Subdomain forms the southern part of the Olympic Cu-Au province on the eastern margin of the Gawler Craton, and underlies most of the Yorke Peninsula and Spencer Gulf. The domain basement comprises metasediments and metavolcanics of the Palaeoproterozoic Wallaroo Group (~1760-1740 Ma) which were deformed and metamorphosed to upper greenschist-amphibolite facies during the Kimban Orogeny (~1720 Ma). These rocks were further deformed and intruded by granitoids and minor mafic intrusions of the Hiltaba Suite between about 1600 Ma and 1575 Ma. The Moonta Subdomain basement is highly prospective for iron oxide-Cu-Au mineralisation associated with the Hiltaba magmatic event. However outcrop of these basement rocks is limited almost entirely to narrow coastal exposures. The majority of the prospective basement is concealed by up to 100 metres of Neoproterozoic to Quaternary sediments, and geological mapping of the basement is largely limited to interpretation of geophysics (airborne magnetics, gravity, AEM) and drilling.

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Additional Info

Field Value
Title Yorke Peninsula (Moonta Subdomain) GIS Dataset
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/a5e2e455-de8a-4f9f-ab29-4977db14300c
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        136.757,
        -35.325
      ],
      [
        138.187,
        -35.325
      ],
      [
        138.187,
        -33.444
      ],
      [
        136.757,
        -33.444
      ],
      [
        136.757,
        -35.325
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Yorke Peninsula (Moonta Subdomain) GIS Dataset". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/yorke-peninsula-moonta-subdomain-gis-dataset