Triassic Environmental Sequence in the Canning Basin, Western Australia

A review of lithology, sedimentary structures, and palaeontology subdivides the Triassic system in the Canning Basin into four environmental episodes. The sequence records a transgression culminating in the Smithian, followed by a regression with minor marine incursions, and a trend to increasing aridity correlated with the withdrawal of the Blina Sea. The dataset is provided by Geoscience Australia Data and was last updated on 2026-03 25.

Use Cases

• Modeling paleoenvironmental changes based on the described sequence of transgression and regression.
• Analyzing trends in aridity and sediment deposition based on the increase in red beds and withdrawal of the Blina Sea.
• Studying marine biota adaptations based on descriptions of species tolerant of reduced saline conditions.
• Reconstructing ancient coastal and alluvial plain geomorphology based on descriptions of meandering streams and lakes.

Strengths

• Analysis is based on a review supplemented by original investigations.
• Provides a temporal framework with four distinct environmental episodes for the Triassic period.
• Last updated on 2026-03-25, indicating recent metadata maintenance.

Limitations

• Row count and column-level documentation are absent; field semantics must be inferred after download.
• Data format is HTML/PDF, which may require extraction for computational analysis.

Provenance

Source

Geoscience Australia Data

Collection Method

A review of lithology, sedimentary structures, and palaeontology, supplemented by original investigations.

Time Range

Triassic Period (specifically Smithian, Spathian, Ladinian stages)

Freshness

Last updated 2026-03-25 16:29:03.339870

Geography

Canning Basin, Fitzroy Graben, Western Australia