GA302: Marine Seismic Survey Results for Capel and Faust Basins

50 sonobuoy recordings from a 2006/07 survey provide P-wave velocity estimates for sedimentary layers in the Capel and Faust Basins. Data includes gravity and magnetic anomaly measurements, used to model sediment thickness reaching up to 5 km in some areas. The survey was conducted by Geoscience Australia approximately 800 km east of Australia in water depths of 1500-2000 meters.

Use Cases

• Modeling sediment thickness and composition based on P-wave velocity layers described in the survey.
• Calibrating seismic interpretation with gravity and magnetic anomaly data mentioned as additional constraints.
• Studying the stratigraphy of ocean basins using the four distinct reflection patterns identified in the preliminary records.

Strengths

• Includes data from 50 sonobuoys, providing multiple measurement points.
• Integrates multiple geophysical data types: seismic, gravity, and magnetic.
• Reports specific P-wave velocity ranges for four subsurface layers (e.g., 1.9 to 5.3 km/s).
• Provides a concrete spatial context: 800 km east of Australia in 1500-2000 m water depth.

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.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Geoscience Australia Data

Collection Method

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

Time Range

2006/07

Freshness

Last updated 2026-04-20 03:00:27.981891; freshness should be verified.

Geography

Capel and Faust Basins, 800 km east of Australia.