Sorell Basin: Petroleum Prospectivity and Geology Bulletin

Late Mesozoic and Tertiary sediments cover a 100,000 sq km offshore region west of Tasmania, primarily within the Sorell Basin. The bulletin assesses petroleum prospectivity using well and seismic data concentrated in the King Island and Strahan Sub-basins. It also discusses the regional geology, basin development, and environmental features of the marine setting.

Use Cases

• Assessing hydrocarbon prospectivity based on well and seismic data from specific sub-basins.
• Studying the tectonic evolution of the Southern Rift System during the Late Jurassic-Early Cretaceous.
• Analyzing environmental and climatic factors affecting offshore exploration in the region.
• Mapping the distribution of Late Mesozoic and Tertiary sedimentary wedges.

Strengths

• Covers a defined geographic area of 100,000 sq km with specific geological context.
• Focuses on sub-basins (King Island, Strahan) with sufficient well and seismic data for analysis.
• Cross-platform presence on data.gov.au suggests official curation and importance.

Limitations

• Key metadata such as row count, file size, license, and author are consistently missing or listed as 'None'.
• The specific data columns and structure within the ZIP file are unknown, limiting understanding of the dataset's granularity.
• Update timestamps conflict, with the most recent listed as 2026-06-04, which is a future date, indicating potential metadata errors.

Provenance

Source

Australian Ocean Data Network

Collection Method

Likely compiled from geological surveys, seismic studies, and well data.

Time Range

Late Mesozoic to Tertiary geological periods

Freshness

2026-06-04 (Note: This is a future date, suggesting a metadata error)

Geography

Offshore region west of Tasmania, Sorell Basin, King Island and Strahan Sub-basins