Leveque Shelf Seabed Sediment Grain Size Data for Carbon Storage Assessment

May 2013 data from a marine survey of the Leveque Shelf, Browse Basin, Western Australia. The dataset contains results from grain size analysis of 111 seabed sediment samples, measured by laser diffractometer. The survey was conducted by Geoscience Australia in collaboration with the Australian Institute of Marine Science to support an assessment of CO2 storage potential.

Use Cases

• Analyze sediment grain_size distribution to infer seabed permeability for CO2 containment modeling.
• Correlate sediment textural_composition with seabed habitats and biota mapped during the survey.
• Map spatial variation in carbonate_content to understand shallow geological features related to potential faults.
• Use laser diffractometer grain_size data as ground truth for regional seabed geological mapping.

Strengths

• 111 seabed sediment samples provide a substantial point dataset for the survey area.
• Grain size analysis performed using a standardized laser diffractometer method.
• Data collected as part of a targeted government research program (National CO2 Infrastructure Plan).

Limitations

• Sample size of 111 may limit high-resolution spatial analysis across the entire shelf region.
• Data is from a single survey in May 2013, providing only a temporal snapshot.
• Specific column names and data formats within the XLSX files are unknown, complicating immediate analysis.

Provenance

Source

Geoscience Australia and the Australian Institute of Marine Science.

Collection Method

Marine survey (SOL5754/GA0340) collecting seabed sediment samples analyzed by laser diffractometer.

Time Range

May 2013.

Freshness

Data is from 2013, but the metadata record was updated in April 2026.

Geography

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