Mesozoic Sediment Stratigraphy and Palynology from the Great Australian Bight

Southern Australia's Great Australian Bight and Duntroon Basins contain offshore Mesozoic sediments. Palynological investigation of dredged samples from BMR Rig Seismic Cruise 66 correlates palynofloras with the Maastrichtian to earliest Paleocene Forcipites longus and Manumiella druggii zones, indicating the upper Potoroo Formation is widespread. The data, sourced via the Australian Ocean Data Network, includes evidence of depositional environments and recycled palynomorphs.

Use Cases

• Correlating sedimentary formations based on described palynological zones like the Forcipites longus and Manumiella druggii zones.
• Reconstructing paleoenvironments based on described depositional ranges from paralic to marine.
• Analyzing sediment provenance based on described recycled Permian to Cenomanian palynomorphs.
• Modeling paleoclimate and vegetation based on described evidence of widespread lowland temperate rainforests during the Campanian-Maastrichtian.

Strengths

• Data is tied to a specific research cruise (BMR Rig Seismic Cruise 66), providing a clear collection context.
• Description provides specific geological time correlations (Santonian to Maastrichtian, Early Cretaceous) and formation names (Potoroo, Wigunda, Ceduna).
• Analysis includes environmental interpretation (paralic to marine) and provenance implications (streams from east and north).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data is delivered in PDF/HTML formats, which may require extraction for computational analysis.

Provenance

Source

Australian Ocean Data Network

Collection Method

Palynological investigation of samples dredged from the continental slope and submarine canyon walls during a seismic cruise.

Time Range

Mesozoic era, with specific focus on Santonian to Maastrichtian (Late Cretaceous) and Early Cretaceous periods.

Freshness

Last updated 2026-04-10 18:43:37.945698; freshness should be verified.

Geography

Great Australian Bight and Duntroon Basins, offshore southern Australia.