AGSO Cruise 186: Antarctic Marine Geoscience Survey and Sediment Cores, 1996/97

Geoscience Australia Data produced a post-cruise report summarizing the preliminary results of the 1996/97 Antarctic marine geoscience program. The voyage collected seismic data, sidescan sonar records, and sediment cores from Vincennes Bay, Prydz Bay, and the Mac.Robertson Shelf to study ice sheet retreat and paleoenvironmental records. The report details findings from 27 gravity cores and over 1,100 km of geophysical data.

Use Cases

• Modeling ice sheet retreat timing since the Last Glacial Maximum based on core and seismic data from shelf basins.
• Interpreting Holocene paleoenvironmental records based on diatom and organic carbon data from sediment cores.
• Analyzing sedimentary facies models based on modern process quantification and core succession analysis.
• Supporting site survey planning for ocean drilling programs using seismic data from trough mouth fans.

Strengths

• Report includes specific quantitative results, such as 27 gravity cores collected and over 1,100 km of seismic/sidescan data.
• Data covers multiple key Antarctic sites with distinct geological targets, including a deep glacial trough up to 1,850 m water depth.
• Findings trace a distinct "interstadial" sediment unit across more than 15,000 km² of the Prydz Channel.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The underlying data files are in PDF/HTML report formats, not structured tabular data.

Provenance

Source

Geoscience Australia Data

Collection Method

Marine geophysical survey and sediment coring program conducted during AGSO Cruise 186 / ANARE Voyage 5.

Time Range

1996/97 Antarctic season

Freshness

Last updated 2026-05-14 08:58:35.503935; freshness should be verified.

Geography

Vincennes Bay, Prydz Bay, Mac.Robertson Shelf, and Heard Island in East Antarctica.