Geophysical Data from Australia's Capel and Faust Basins, 800 km Offshore

Geophysical survey data from the remote Capel and Faust Basins located 800 km east of Brisbane in water depths of 1000-3000 meters. The dataset includes integrated 2D seismic reflection, sonobuoy refraction, and marine potential-field data collected as part of the Australian Government's Energy Security Initiative. Interpretation suggests the presence of syn-rift and post-rift geological sequences, with depocentre thicknesses up to approximately 4 seconds two-way travel time.

Use Cases

• Modeling crustal extension and basin formation based on integrated seismic and potential-field data.
• Mapping fault and horizon structures in 3D using gravity and magnetic data to link isolated depocentres.
• Characterizing basement terranes and sequence boundaries through forward and inverse 3D modeling of geophysical data.
• Analyzing the distribution of volcanic and intrusive features using reduced-to-pole magnetic anomaly data.

Strengths

• Integrates multiple geophysical data types: 2D seismic reflection, sonobuoy refraction, and marine potential-field data.
• Covers a specific, remote frontier region 800 km offshore in water depths from 1000 to 3000 meters.
• Supports 3D mapping and modeling of subsurface structures and sequence boundaries.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The 20-50 km separation between 2D seismic lines complicates correlating structures across the survey area.

Provenance

Source

Geoscience Australia Data

Collection Method

Marine geophysical survey involving seismic reflection, sonobuoy refraction, and potential-field data collection.

Time Range

Geological interpretation suggests sequences from the ?Early Cretaceous to Recent.

Freshness

Last updated 2026-04-30 12:37:54.372307; freshness should be verified.

Geography

Capel and Faust Basins, offshore eastern Australia, 800 km east of Brisbane.