Tectonic and Metallogenic Framework of the Cambrian Stansbury Basin, South Australia

The Early to Middle Cambrian Stansbury Basin preserves a palaeogeographic zonation from about 540 Ma to at least 510 Ma. The dataset, published by the Australian Ocean Data Network, describes the basin's structure, sedimentation phases, and associated granitoid emplacement events. It highlights potential for various mineral deposit types, including Mississippi Valley-type (MVT) and volcanogenic massive sulphide mineralisation.

Use Cases

• Modeling basin evolution based on described palaeogeographic zonation and rift development phases.
• Identifying mineral exploration targets based on described associations with unconformities, karst, and reactivated thrusts.
• Studying the tectonic transition from rift basin to platform sequence based on described shear and thrust zones.
• Analyzing the relationship between granitoid emplacement and orogenic events described as syntectonic and post-tectonic.

Strengths

• Description provides specific geological time ranges, such as sedimentation from about 540 Ma to at least 510 Ma.
• Identifies concrete geological features and processes, including listric fault inversion and discrete shear zones.
• Cites specific recent sub-economic discoveries (Angas and Mt Torrens prospects) as significant for exploration.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to data_gov_au, focusing solely on South Australia.

Provenance

Source

Australian Ocean Data Network

Time Range

Approximately 540 Ma to 480-490 Ma (Cambrian to Ordovician)

Freshness

Last updated 2026-06-23 03:59:51.970987; freshness should be verified.

Geography

Stansbury Basin, Kanmantoo Trough, South Australia, including Spencer Shelf, Ardrossan Shelf, Murray Basin basement, Padthaway Ridge, Gulf St Vincent, Kangaroo Island, Fleurieu Peninsula