GA302: Marine Seismic Survey Data from Capel and Faust Basins

A 2006 marine seismic survey (GA302) recorded data from 50 sonobuoys over the Capel and Faust Basins, 800 km east of Australia. The data, collected for Geoscience Australia's Big New Oil programme, includes interpreted P-wave velocity estimates for sedimentary layers, gravity, and magnetic anomaly data. These were used to model sediment thickness, which may reach up to 5 km in some areas.

Use Cases

• Modeling P-wave velocity structures in marine sediments based on ray-tracing forward models.
• Estimating sediment thickness in deep-water basins using integrated seismic and gravity data.
• Calibrating seismic reflection interpretations with physical property constraints from velocity and density models.

Strengths

• Includes data from 50 sonobuoys, providing multiple measurement points.
• Integrates three geophysical data types: seismic, gravity, and magnetic anomalies.
• Velocity models are constrained by very high quality seismic reflection data.
• Specific P-wave velocity ranges are provided for four subsurface layers.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset scale are unknown, which may limit suitability assessment.
• Last updated 2026-06-05 05:53:23.896085; freshness should be verified.

Provenance

Source

Australian Ocean Data Network, collected for Geoscience Australia.

Collection Method

Data recorded from sonobuoys during a marine seismic survey, interpreted and forward modelled by ray-tracing.

Time Range

2006

Freshness

Last updated 2026-06-05 05:53:23.896085

Geography

Capel and Faust Basins, 800 km east of Australia, in water depths of 1500-2000 m.