Geological Interpretation of Geophysical Features for Victorian Basins, 1:500,000 Scale

Interpreted geological data for basins in Victoria, Australia, includes underlying units and magnetic volcanic units enclosed by sediments. The dataset integrates onshore magnetic, radiometric, topographic, and gravity data from the Geological Survey of Victoria with offshore magnetic, bathymetric, and deep seismic data. It was produced by the Department of Energy, Environment and Climate Action and was last updated in April 2026.

Use Cases

• Mapping geological boundaries and fault structures based on interpreted linear features.
• Analyzing basement-basin relationships using integrated onshore and offshore geophysical data.
• Correlating subsurface geology with magnetic responses for mineral and petroleum exploration.
• Extending onshore geological interpretations offshore to the Tasmanian sea boundary.

Strengths

• Integrates multiple geophysical data sources including magnetic, radiometric, topographic, gravity, bathymetric, and seismic.
• Provides a geological interpretation that reconciles onshore geology with geophysical responses.
• Dataset is accompanied by related datasets for lava flows and basin edges.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Granitic rocks of a particular age are not subdivided, limiting granularity for some analyses.

Provenance

Source

Department of Energy, Environment and Climate Action (Victoria, Australia), incorporating data from the Geological Survey of Victoria and the Australian Geological Survey Organisation.

Collection Method

Interpretation and reconciliation of collected geophysical data with existing geological maps.

Freshness

Last updated 2026-04-09 02:59:14.132370; freshness should be verified.

Geography

Victoria, Australia, extending offshore to the Tasmanian sea boundary (generally 39°12' South).