Marine Seismic Survey Results for Capel and Faust Basins

Data from 50 sonobuoys recorded during the 2006/07 GA302 seismic survey east of Australia. The dataset provides interpreted P-wave velocity estimates for four sedimentary layers and includes gravity and magnetic anomaly data. It was used to model sediment thickness, which may reach 5 kilometers in several locations.

Use Cases

• Forward model P-wave velocities in the upper sedimentary section using ray-tracing interpretations from 50 sonobuoys.
• Analyze gravity anomaly data in conjunction with seismic reflection records to constrain velocity models.
• Estimate sediment thickness by correlating four distinct seismic reflection patterns with modeled velocity layers.
• Compare gravity models based on 2.3 t/m3 density approximations to features on depth-converted seismic lines.

Strengths

• Contains data from 50 sonobuoys, providing multiple measurement points.
• Includes four modeled P-wave velocity layers with specific ranges (e.g., 1.9 to 5.3 km/s).
• Integrates multiple geophysical data types: seismic, gravity, and magnetic anomalies.

Limitations

• Data is preliminary from a 2006/07 survey and may not represent final interpretations.
• Sample data and column definitions are unavailable, hindering immediate analysis.
• Primary format is HTML, which is not a standard structured data format for quantitative analysis.

Provenance

Source

Geoscience Australia Data

Collection Method

Recorded from sonobuoys during marine seismic survey GA302, interpreted and forward modelled by ray-tracing.

Time Range

2006/07

Freshness

Metadata last updated in 2026, but the underlying survey data is from 2006/07.

Geography

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