Geochemistry of Southern Australian Continental Margin Sediments

The Bureau of Mineral Resources survey 67 collected and analyzed gravity cores from the southern Australian continental margin. This dataset includes porewater metabolites, major and trace element abundances, radiochemical data, and paleoceanographic indicators from eight cores. The data were analyzed both at sea and in Canberra to support environmental and resource assessments.

Use Cases

• Assess long-term environmental change from anthropogenic discharges based on porewater and trace element data.
• Model Late Quaternary and natural climatic change based on radiochemical species and paleoceanographic indicators.
• Investigate geochemical processes for seafloor mineral formation based on manganese and silicate porewater data.

Strengths

• Data from eight gravity cores analyzed both at sea and in a laboratory, suggesting methodological rigor.
• Includes multiple complementary geochemical data types: porewater metabolites, element abundances, and radiochemical data.
• Part of a larger geochemical database for the Australian continental margin, providing context for broader studies.

Limitations

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

Provenance

Source

Australian Ocean Data Network, originating from Bureau of Mineral Resources survey 67.

Collection Method

Gravity core sampling and subsequent geochemical analysis.

Time Range

Late Quaternary period.

Freshness

Last updated 2026-04-10 17:51:33.571753; freshness should be verified.

Geography

Southern Australian Continental Margin, including offshore West Tasmania, South Australia, and Victoria.