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Petroleum Source Rock and Fluids Atlas Database - Onshore and Offshore

Created 20/01/2026

Updated 20/01/2026

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The Source Rock and Fluids Atlas delivery and publication services provide up-to-date information on petroleum (organic) geochemical and geological data from Geoscience Australia's Organic Geochemistry Database (ORGCHEM). The sample data provides the spatial distribution of petroleum source rocks and their derived fluids (natural gas and crude oil) from boreholes and field sites in onshore and offshore Australian basins. The services provide characterisation of source rocks through the visualisation of Pyrolysis, Organic Petrology (Maceral Groups, Maceral Reflectance) and Organoclast Maturity data. The services also provide molecular and isotopic characterisation of source rocks and petroleum through the visualisation of Bulk, Whole Oil GC, Gas, Compound-Specific Isotopic Analyses (CSIA) and Gas Chromatography-Mass Spectrometry (GCMS) data tables. Interpretation of these data enables the characterisation of petroleum source rocks and identification of their derived petroleum fluids that comprise two key elements of petroleum systems analysis. The composition of petroleum determines whether or not it can be an economic commodity and if other processes (e.g. CO2 removal and sequestration; cryogenic liquefaction of LNG) are required for development.

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Title Petroleum Source Rock and Fluids Atlas Database - Onshore and Offshore
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/851bcf59-df14-4543-b461-8d6cb9b78082
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 11/01/2019
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        63.0,
        -75.0
      ],
      [
        155.0,
        -75.0
      ],
      [
        155.0,
        -9.0
      ],
      [
        63.0,
        -9.0
      ],
      [
        63.0,
        -75.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Data.gov.au