GA302: Marine Seismic Survey Results from Capel and Faust Basins

Geoscience Australia's GA302 survey collected data from 50 sonobuoys over the Capel and Faust Basins in 2006. The data includes interpreted P-wave velocity estimates for four sedimentary layers, gravity and magnetic anomaly data, and high-quality seismic reflection data. These were used to model sediment thickness, which may reach up to 5 kilometers in some areas.

Use Cases

• Modeling P-wave velocity in sedimentary layers based on ray-tracing forward models.
• Estimating sediment thickness using gravity models and seismic reflection data.
• Integrating gravity and magnetic anomaly data to constrain subsurface velocity models.
• Analyzing geological structures in deep-water (1500-2000 m) ocean basins east of Australia.

Strengths

• Includes data from 50 sonobuoys, providing multiple measurement points.
• Integrates three data types: seismic velocity, gravity anomaly, and magnetic anomaly.
• Velocity models provide typical ranges for four distinct subsurface layers.
• Survey was conducted by Geoscience Australia, a national geological survey.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last updated 2026-04-20 03:25:29.567474; freshness should be verified.

Provenance

Source

Geoscience Australia Data

Collection Method

Data recorded from a 2006 marine seismic survey (GA302) using sonobuoys, with subsequent interpretation and forward modeling by ray-tracing.

Time Range

2006

Freshness

Last updated 2026-04-20 03:25:29.567474

Geography

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