GA302: Marine Seismic Survey over Capel and Faust Basins

Geoscience Australia's GA302 survey recorded data from 50 sonobuoys over the Capel and Faust Basins in 2006/07. The data includes interpreted P-wave velocity estimates for the upper sedimentary section, gravity and magnetic anomaly data, and high-quality seismic reflection records. Preliminary results indicate sediment thickness may reach 5 km in several localities.

Use Cases

• Modeling P-wave velocity structure in sedimentary basins based on ray-tracing results.
• Estimating sediment thickness using velocity models and gravity data.
• Interpreting subsurface geology from the four described seismic reflection patterns.
• Integrating gravity and magnetic anomaly data with seismic reflection lines to constrain geological models.

Strengths

• Data from 50 sonobuoys provides multiple observation points.
• Includes multiple data types: seismic, gravity, and magnetic measurements.
• P-wave velocity ranges are provided for four distinct model layers.
• Survey conducted in a defined geographic area 800 km east of Australia.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Data is from a 2006/07 survey; freshness should be verified for current applications.

Provenance

Source

Geoscience Australia Data

Collection Method

Data recorded during the GA302 marine seismic survey using sonobuoys, with subsequent interpretation and forward modelling by ray-tracing.

Time Range

2006/07

Freshness

Last updated 2026-04-30 13:57:09.781113; freshness should be verified

Geography

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