Geochemistry of Southern Australian Margin Sediments with Porewater and Radiochemical Data

Geoscience Australia Data provides a geochemical analysis of eight gravity cores from the southern Australian continental margin, collected during Bureau of Mineral Resources survey 67. The dataset includes porewater metabolites, major and trace element abundances, and radiochemical data used to assess environmental change and sediment processes. These data form part of a larger geochemical database for the Australian continental margin.

Use Cases

• Assess long-term environmental change from anthropogenic discharges based on porewater and trace element data.
• Investigate Late Quaternary paleoceanography and natural climatic change based on radiochemical species like authigenic uranium.
• Model geochemical processes for seafloor mineral formation based on manganese and silicate porewater data.
• Evaluate organic carbon burial and redox conditions based on porewater metabolite profiles across shelf and slope cores.

Strengths

• Data includes eight analyzed gravity cores from a defined survey (BMR 67).
• Analyses cover multiple complementary geochemical domains: porewater metabolites, elemental abundances, and radiochemistry.
• Dataset is part of a systematic geochemical database for the Australian continental margin.

Limitations

• Row count and specific column definitions are unknown, limiting suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Data freshness should be verified despite a last updated date of 2026-03-25.

Provenance

Source

Geoscience Australia Data

Collection Method

Samples collected via gravity coring during Bureau of Mineral Resources survey 67, with analyses conducted at sea and in Canberra.

Freshness

Last updated 2026-03-25 15:31:25.984149

Geography

Southern Australian continental margin, including offshore West Tasmania, South Australia, and Victoria.