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Great Artesian Basin - Cadna-owie-Hooray Aquifer and Equivalents - Thickness and Extent

Created 17/10/2025

Updated 17/10/2025

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The Cadna-owie-Hooray Aquifer and Equivalents - Thickness and Extent data set, is one of a set that represents the hydrostratigraphic units of the Great Artesian Basin, which include five major aquifers, four intervening aquitards, and the Cenozoic cover to the GAB. There are five layers in the Cadna-owie-Hooray Aquifer and Equivalents map data A: Formation Extent B: Outcrop extent C: Isopach Raster D: Isopach Contours E: Data Point Locations The datasets have been derived from the lithostratigraphic intercepts in drillhole data from petroleum exploration wells, water bores, and stratigraphic wells. Seismic correlation and assessment of hydrogeological character based on electrofacies have not been used. The working dataset for this study has been derived primarily from the following databases:

PEPS-SA (Petroleum Exploration and Production System - South Australia) (Department of Primary Industries and Regions SA, 2011) WaterConnect Groundwater database (Govt. of SA, 2011) QPED (Queensland Petroleum exploration database) (Geological Survey of Queensland, 2010). GABLOG (Great Artesian Basin Well Log Dataset) (Habermehl, 2001) Additional supplementary information was derived from published reports listed in the following section.

This is a regional interpretation for mapping at approximately 1:1 000 000 to produce a broad scale overview, and examination of small areas by collecting extra data is most likely to produce results that differ from this regional interpretation. Associated report reference: Ransley, T., Radke, B., Feitz, A., Kellett, J., Owens, R., Bell, J. and Stewart, G., 2015. Hydrogeological Atlas the Great Artesian Basin. Geoscience Australia. Canberra. [available from www.ga.gov.au using catalogue number 79790]

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Additional Info

Field Value
Title Great Artesian Basin - Cadna-owie-Hooray Aquifer and Equivalents - Thickness and Extent
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/cfc2ad46-1316-4c73-ae04-382fd6663598
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        132.07,
        -33.69
      ],
      [
        153.18,
        -33.69
      ],
      [
        153.18,
        -9.01
      ],
      [
        132.07,
        -9.01
      ],
      [
        132.07,
        -33.69
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Great Artesian Basin - Cadna-owie-Hooray Aquifer and Equivalents - Thickness and Extent". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/great-artesian-basin-cadna-owie-hooray-aquifer-and-equivalents-thickness-and-extent