From Geoscience Australia
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Marine Sediments (MARS) Database

Created 02/03/2026

Updated 02/03/2026

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The MARine Sediment (MARS) database contains detailed information on seabed sediment characteristics for samples collected from Australia's marine jurisdiction, including the Australian Antarctic Territory. It is an important scientific resource that includes sediment properties from seabed and sub-seabed samples spanning coastal, continental shelf and deep sea locations. Analytical properties include grain size, carbonate content, mineralogy, geochemical properties and age determinations. MARS currently holds approximately 100,000 sample records and new data are being added as they become available.

Please contact us at ausseabed@ga.gov.au if you wish to contribute marine sediment data to the MARS database.

Files and APIs

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Additional Info

Field Value
Title Marine Sediments (MARS) Database
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/a704625b-085f-42e7-a4b4-e54b9406516d
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 19/06/2025
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        40.8543,
        -69.536
      ],
      [
        171.8011,
        -69.536
      ],
      [
        171.8011,
        -8.473405
      ],
      [
        40.8543,
        -8.473405
      ],
      [
        40.8543,
        -69.536
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Marine Sediments (MARS) Database". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/marine-sediments-mars-database5