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, published by Geoscience Australia, provides a database for assessing environmental change, climatic history, and seafloor mineral formation processes.

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 Canberra, suggesting multi-stage validation.
• Includes multiple complementary geochemical data types: porewater metabolites, elemental abundances, and radiochemical data.
• Designed to form part of a larger geochemical database for the Australian continental margin, implying a systematic framework.

Limitations

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

Provenance

Source

Geoscience Australia Data

Collection Method

Samples collected via gravity coring during BMR survey 67 using Rig Seismic, with subsequent laboratory analysis.

Freshness

Last updated 2026-04-20 03:46:42.938840; freshness should be verified.

Geography

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