Geochemistry of Southern Australian Continental Margin Sediments

Geochemical analyses from eight gravity cores collected during Bureau of Mineral Resources survey 67 offshore South Australia, Victoria, and West Tasmania. The data include porewater metabolites, major and trace element abundances, radiochemical data, and paleoceanographic indicators. This record, provided by Geoscience Australia, forms part of a larger geochemical database for the Australian continental margin.

Use Cases

• Assessing long-term environmental change from anthropogenic discharges based on porewater and trace element data.
• Reconstructing Late Quaternary paleoceanography and natural climatic change using radiochemical species like authigenic uranium.
• Investigating geochemical processes for seafloor mineral formation, such as manganese crusts and phosphorites, based on pore water silicate and manganese inventory data.
• Modeling organic carbon burial and recycling in marine sediments based on pore water redox character data from core-tops.

Strengths

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

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale modeling.
• Data is presented in PDF and HTML formats, which may complicate direct computational analysis.

Provenance

Source

Geoscience Australia Data

Collection Method

Gravity core sampling and subsequent geochemical analysis conducted as part of the Bureau of Mineral Resources (BMR) survey 67.

Freshness

Last updated 2026-04-30 14:22:15.270825; freshness should be verified.

Geography

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