3D Gravity Models for Capel and Faust Basins Sediment Analysis

Three-dimensional gravity models interpret over 6000 meters of sediment in the Capel and Faust Basins on the Lord Howe Rise. The models were created by Geoscience Australia from a 2006/07 seismic and potential field survey. The report details the tools and process for integrating 3D gravity mapping with traditional seismic interpretation.

Use Cases

• Model sediment thickness and basement structure using 3D gravity anomaly data.
• Integrate gravity models with seismic reflection interpretations for a more complete subsurface picture.
• Analyze the irregular geological structure of depocentres and basement highs in the basins.
• Apply the described 3D gravity modelling tools to similar marine sedimentary basin environments.

Strengths

• Models interpret over 6000 meters of sediment in the deepest pockets.
• Based on a dedicated seismic reflection, refraction, and potential field survey (GA-302).
• Provides detailed methodology for 3D gravity modelling and tool development.

Limitations

• Primary data format is a PDF report, not a raw, machine-readable dataset.
• Specific model parameters, row counts, and file sizes are not provided.
• Data is from a single survey conducted in the summer of 2006/07, limiting temporal scope.

Provenance

Source

Geoscience Australia, delivered via the Australian Ocean Data Network.

Collection Method

Interpretation of data from seismic reflection, refraction, and potential field survey GA-302.

Time Range

Survey conducted during the summer of 2006/07.

Freshness

Report last updated in 2026, but based on 2006/07 survey data.

Geography

Capel and Faust Basins, Lord Howe Rise.