Pre-Permian Geological Lines and Faults of Victoria, Australia at 1:1,000,000 Scale

Geological Survey of Victoria data contains primary geological boundaries and faults for Pre-Permian rock units. The dataset was compiled from surface geology maps and interpretation of magnetic, radiometric, gravity, and seismic data to produce a geologically and geophysically reasonable map. It should be used in combination with the state magnetic image for additional context on magnetic properties, dyke swarms, and basalt cover.

Use Cases

• Map subsurface geological structure based on interpreted boundaries and faults.
• Analyze tectonic history based on time subdivisions linked to orogenic events.
• Correlate geological units with geophysical signatures based on integrated magnetic, radiometric, and gravity data.
• Classify granite types based on the S, I, and A classification scheme mentioned.
• Study regional metamorphism by using this dataset alongside the companion metamorphism dataset.

Strengths

• Data is integrated from multiple geophysical sources: magnetic, radiometric, gravity, and seismic profiles.
• Geological time subdivisions are based on natural breaks in the Victorian geological record, such as the ends of orogenies.
• Granite classification uses the established White and Chappell (1983) S, I, and A scheme.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The dataset is specifically for Pre-Permian geology with Permian and younger units stripped off.

Provenance

Source

Geological Survey of Victoria, Department of Energy, Environment and Climate Action.

Collection Method

Compiled from surface geology maps and interpretation of geophysical data (magnetic, radiometric, gravity, seismic).

Time Range

Pre-Permian geological period.

Freshness

Last updated 2026-04-09 00:00:17.162639; freshness should be verified.

Geography

Victoria, Australia.