GA302: Marine Seismic Survey Data from Capel and Faust Basins

Data from 50 sonobuoys were recorded 800 km east of Australia in the Capel and Faust Basins during a 2006/07 seismic survey for Geoscience Australia. The data were interpreted and forward modelled by ray-tracing to estimate P-wave velocities in the upper sedimentary section and constrain sediment thickness. Gravity and magnetic anomaly data were also recorded, providing additional constraints for velocity models.

Use Cases

• Modeling P-wave velocity structure in sedimentary layers based on ray-tracing results.
• Estimating sediment thickness in deep-water basins using seismic reflection patterns and velocity constraints.
• Integrating gravity and magnetic anomaly data to refine subsurface geological models.
• Analyzing seismic reflection patterns to identify and characterize distinct geological sequences.

Strengths

• Data from 50 sonobuoys provide multiple measurement points.
• Velocity models include four distinct layers with specific speed ranges (e.g., 1.9, 2.3-3.0, 3.6-4.7, 5-5.3 km/s).
• Integrates multiple data types: seismic reflection, gravity, and magnetic anomaly data.

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.

Provenance

Source

Australian Ocean Data Network, likely originating from Geoscience Australia's New Oil initiative.

Collection Method

Data recorded from sonobuoys during the GA302 marine seismic survey in 2006/07, interpreted via ray-tracing forward modelling.

Time Range

2006-2007

Freshness

Last updated 2026-06-05 06:19:11.687722; freshness should be verified.

Geography

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