Leveque Shelf Seabed Sediment Grain Size Data for CO2 Storage Assessment

The Leveque Shelf, a sub-basin of the Browse Basin on the Northwest Shelf of Western Australia, was surveyed in May 2013. Geoscience Australia and the Australian Institute of Marine Science collected 111 seabed sediment samples to assess CO2 storage potential. This dataset contains the results of grain size analysis measured by laser diffractometer.

Use Cases

• Assessing seabed sediment texture for CO2 storage site suitability based on grain size data.
• Investigating potential past or current gas seepage evidence related to seabed structures.
• Mapping seabed habitats and biota potentially associated with fluid seepage features.
• Evaluating the integrity of seal units for carbon containment based on shallow geological data.

Strengths

• Includes 111 seabed sediment samples from a defined marine survey (SOL5754/GA0340).
• Grain size analysis performed using a standardized laser diffractometer method.
• Data collected under a national government plan (NCIP) for a specific environmental assessment purpose.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last updated 2026-06-04 07:17:11.551751; freshness should be verified.

Provenance

Source

Geoscience Australia in collaboration with the Australian Institute of Marine Science, via the Australian Ocean Data Network.

Collection Method

Marine survey involving seabed sediment sampling and subsequent laser diffractometer analysis.

Time Range

Survey conducted in May 2013.

Freshness

Last updated 2026-06-04 07:17:11.551751

Geography

Leveque Shelf, Browse Basin, Northwest Shelf, Western Australia.