From Geoscience Australia
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Seabed Sand Content Across the Australian Continental EEZ, 2011

Created 26/03/2026

Updated 26/03/2026

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This dataset provides the spatially continuous data of the seabed sand content (sediment fraction 63-2000 mm) expressed as a weight percentage ranging from 0 to 100%, presented in 0.01 decimal degree resolution raster format.

The dataset covers the Australian continental EEZ, including seabed surrounding Tasmania. It does not include areas surrounding Macquarie Island, and the Australian Territories of Norfolk Island, Christmas Island, and Cocos (Keeling) Islands or Australia's marine jurisdiction off of the Territory of Heard and McDonald Islands and the Australian Antarctic Territory.

This dataset supersedes previous predictions of sediment sand content for the Australian Margin with demonstrated improvements in accuracy. Accuracy of predictions varies based on density of underlying data and level of seabed complexity. Artefacts occur in this dataset as a result of insufficient samples in relevant regions. This dataset is intended for use at national and regional scales. The dataset may not be appropriate for use at local scales in areas where sample density is insufficient to detect local variation in sediment properties. To obtain the most accurate interpretation of sediment distribution in these areas, it is recommended that additional samples be collected and interpolations updated.

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Additional Info

Field Value
Title Seabed Sand Content Across the Australian Continental EEZ, 2011
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/fa649041-a86e-4cd2-923e-6bb91a6898d0
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        109.2334,
        -47.1982
      ],
      [
        163.1934,
        -47.1982
      ],
      [
        163.1934,
        -8.8882
      ],
      [
        109.2334,
        -8.8882
      ],
      [
        109.2334,
        -47.1982
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Seabed Sand Content Across the Australian Continental EEZ, 2011". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/seabed-sand-content-across-the-australian-continental-eez-201110