Palynological data from dredged samples collected during the BMR Rig Seismic Cruise 66 in the offshore Bight and Duntroon Basins. The dataset correlates palynofloras with specific geological zones, indicating deposition environments and sediment provenance. The data was published by the Australian Ocean Data Network.
Use Cases
- Correlating sediment samples to geological zones based on palynomorph assemblages mentioned in the description.
- Analyzing depositional environments ranging from paralic to marine as described.
- Investigating sediment provenance and paleoclimate based on recycled palynomorphs and inferred stream flows.
- Mapping the distribution of the upper Potoroo Formation across basins using palynological evidence.
Strengths
- Data is tied to a specific research cruise (BMR Rig Seismic Cruise 66).
- Palynological zones are identified, correlating samples to the Maastrichtian to earliest Paleocene Forcipites longus Zone and Manumiella druggii Zone.
- The description provides specific geological formation references (Potoroo, Wigunda, Ceduna).
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data may reflect geographic bias inherent to the specific dredged sample locations.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Palynological investigation of dredged samples from the continental slope and submarine canyon walls.
- Time Range
- Mesozoic, specifically Santonian to Maastrichtian and Early Cretaceous periods.
- Freshness
- Last updated 2026-05-05 00:45:44.707995; freshness should be verified.
- Geography
- Great Australian Bight area, southern Australia, focusing on the Bight and Duntroon Basins.