From Australian Oceans Data Network
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Wind Generated Tool Marks Resembling Trace Fossils in a Shallow Estuarine Environment

Created 23/01/2026

Updated 23/01/2026

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A suite of tool marks were observed in the seaward section of a small estuary on the south coast of New South Wales, Australia. The marks were formed through wind dragging Eucalyptus leaves and Casuarina fronds over the backshore sands that separate the closed estuary from the sea. A number of the more complex marks closely resemble trace fossils left by fish, and differentiation between the two in the sedimentary record could be difficult. If correctly identified as tool marks then they would give a spurious estimate of palaeoflow direction, as they correspond to the orientation of the prevailing winds that generated them. This study highlights the need for judicious interpretation of ambiguous grooves in the sedimentary record.

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Additional Info

Field Value
Title Wind Generated Tool Marks Resembling Trace Fossils in a Shallow Estuarine Environment
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/cdae7eae-20da-4942-8587-5591ade0c785
Contact Point
Australian Ocean Data Network
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        150.35,
        -35.65
      ],
      [
        150.45,
        -35.65
      ],
      [
        150.45,
        -35.55
      ],
      [
        150.35,
        -35.55
      ],
      [
        150.35,
        -35.65
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "Wind Generated Tool Marks Resembling Trace Fossils in a Shallow Estuarine Environment". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/wind-generated-tool-marks-resembling-trace-fossils-in-a-shallow-estuarine-environment3