Regional Geology and Stratigraphy of Pedirka and Western Eromanga Basins

Over 300 million years of sedimentary records from the early Paleozoic to the Late Cretaceous are documented in this geological interpretation. The dataset, produced by the Australian Ocean Data Network as part of the Australia’s Future Energy Resources project, provides revised stratigraphic correlations and basin definitions based on new biostratigraphic and seismic data analysis, with results published in 2026.

Use Cases

• Map the extent and character of key seismic horizons and unconformities to understand depositional breaks.
• Correlate regional stratigraphy using age-control from palynological analysis to revise basin definitions.
• Evaluate the suitability of Permian, Triassic, and Jurassic coal-bearing fluvial-lacustrine strata for carbon storage.
• Analyze changes from braided to meandering river systems recorded in the Triassic Walkandi and Peera Peera Formations.

Strengths

• Covers a long geological time range from early Paleozoic to Late Cretaceous.
• Integrates multiple data types including new biostratigraphic and reprocessed seismic data.
• Provides a revised regional stratigraphic framework abandoning previous basin definitions like the Simpson Basin.

Limitations

• Data is presented only in PDF format, limiting machine-readability and direct analysis.
• Specific quantitative data points, row counts, and column details are unavailable.
• Geographic coverage is limited to the Pedirka and western Eromanga basins region of Australia.

Provenance

Source

Australian Ocean Data Network, part of the Exploring For The Future program.

Collection Method

Interpretation of new biostratigraphic and reprocessed seismic data, combined with palynological analysis.

Time Range

Early Paleozoic to Late Cretaceous geological periods.

Freshness

Last updated in April 2026.

Geography

Pedirka and western Eromanga basins region, Australia.