Sedimentological Analyses from Deepsea Cores off Tasmania and Victoria

The Bureau of Mineral Resources (BMR) documented laboratory results from three coring cruises conducted between 1985 and 1988 off southwest Victoria and Tasmania. Analyses include grainsize, calcium carbonate (CaCO3), and total organic carbon (TOC) measurements on samples taken at 20cm intervals from cores ranging from 0.02m to 7.78m in length. The work aimed to describe temporal variations and build a sedimentation model for the continental margin.

Use Cases

• Modeling sedimentation patterns on the continental margin based on core descriptions and grainsize data.
• Analyzing paleoenvironmental changes based on variations in calcium carbonate and organic carbon content.
• Correlating sedimentological data with reflection seismic data to interpret older depositional sequences.

Strengths

• Data originates from three dedicated research cruises conducted over multiple years (1985-1988).
• Analyses are complementary to other scientific studies, including physical descriptions and palaeontological examinations.
• Core lengths are documented, ranging from 0.02 meters to 7.78 meters.

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 and temporal bias inherent to the specific survey areas and time period.

Provenance

Source

Australian Ocean Data Network (aggregating data from the Bureau of Mineral Resources).

Collection Method

Laboratory analyses performed on samples from deepsea cores collected by research vessels.

Time Range

Coring cruises conducted in 1985, 1987, and 1988.

Freshness

Last updated 2026-05-05 01:38:19.471663; freshness should be verified.

Geography

Off southwest Victoria, western Tasmania, and the South Tasman Rise.