The Early to Middle Cambrian Stansbury Basin preserves a palaeogeographic zonation from shallow shelf carbonates to extensional rift facies. Sedimentation occurred from about 540 Ma to at least 510 Ma, with a distinctive phase of thick rift sedimentation in the Kanmantoo Trough from 526 Ma. This dataset from Geoscience Australia Data, last updated in 2026, describes the basin's tectonic evolution and potential for mineral deposits like Mississippi Valley-type (MVT) and volcanogenic massive sulphides.
Use Cases
- Modeling basin evolution based on described palaeogeographic zonation from shelf carbonates to rift facies.
- Assessing mineral potential for epigenetic, structurally modified Mississippi Valley-type (MVT) deposits associated with basin dewatering.
- Identifying exploration targets for stratabound copper mineralisation at redbed-to-marine stratigraphic transitions.
- Evaluating the potential for volcanogenic massive sulphide mineralisation analogous to the Mt Read Volcanics beneath the Murray Basin.
Strengths
- Description provides a detailed geological timeline spanning from about 540 Ma to at least 510 Ma.
- Identifies specific geological structures and zones, such as the Kanmantoo Trough and Padthaway Ridge.
- Mentions recent sub-economic discoveries at the Angas and Mt Torrens prospects, indicating ongoing research relevance.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data is provided as PDF and HTML files, which may require parsing to extract structured data for analysis.
Provenance
- Source
- Geoscience Australia Data
- Time Range
- Early to Middle Cambrian, from about 540 Ma to at least 510 Ma.
- Freshness
- Last updated 2026-05-14 03:29:53.697012; freshness should be verified.
- Geography
- Stansbury Basin, Kanmantoo Trough, South Australia, including Spencer and Ardrossan Shelves, Murray Basin basement, and Fleurieu Peninsula.