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

A geospatial dataset contains interpreted geological units and magnetic features underlying and enclosed by sedimentary basins in Victoria, Australia. The data integrates onshore magnetic, radiometric, topographic, and gravity surveys with offshore magnetic, bathymetric, and deep seismic data. It was compiled by the Geological Survey of Victoria and related organizations, with references from reports published in 1999 and 2002.

Use Cases

• Mapping geological boundaries and faults based on interpreted linear features.
• Analyzing basement-basin relationships based on integrated geophysical and geological interpretations.
• Correlating onshore and offshore geology based on data extending to the Tasmanian sea boundary.
• Identifying volcanic units and lava flows based on magnetic responses and drill hole intersections.

Strengths

• Integrates multiple data sources including magnetic, radiometric, topographic, gravity, bathymetric, and deep seismic data.
• Provides a geologically reasonable interpretation reconciling onshore geology with geophysical responses.
• Dataset is accompanied by related datasets for lava flows and basin edges.
• Available in multiple geospatial file formats including SHP, DXF, and GDB.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Department of Energy, Environment and Climate Action (likely via Geological Survey of Victoria).

Collection Method

Interpretation of collected geophysical data (magnetic, radiometric, topographic, gravity, bathymetric, seismic) integrated with existing geological maps.

Time Range

null

Freshness

Last updated 2026-04 08 22:45:33.173208; freshness should be verified.

Geography

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