Ocean-Continent Transform Boundary Structure off Western Tasmania

Aeromagnetic and seismic reflection data reveal the basement architecture and formation of an ocean-continent transform boundary off western Tasmania. The dataset, provided by the Australian Ocean Data Network, was last updated in April 2026. It maps reactivated structures like the Avoca-Sorell fault system and compares the margin to other global transform boundaries.

Use Cases

• Map the Avoca-Sorell fault system and reactivated basement structures using aeromagnetic anomaly orientations.
• Analyze the geometry of offshore rifting and sedimentary basin formation from seismic reflection profiles.
• Correlate offshore aeromagnetic anomalies with known onshore basement geology to trace tectonic structures.
• Compare the steeply outward-dipping structures of this transform margin to other global examples like the Côte d'Ivoire-Ghana region.

Strengths

• Integrates high-resolution aeromagnetic data with seismic reflection profiles for detailed structural mapping.
• Data permits mapping of the transform boundary in greater detail than previously possible.

Limitations

• Specific data volume (row count, file size) and column definitions are unknown.
• The dataset's license and precise authorship details are not provided.

Provenance

Source

Australian Ocean Data Network

Collection Method

Combined analysis of seismic reflection profiles and recently acquired high-resolution aeromagnetic data.

Time Range

null

Freshness

Data was last updated in April 2026.

Geography

Offshore region west of Tasmania, Australia.