Antarctic Continental Shelf Sediment Drift Deposit Data from the Holocene

East Antarctic continental shelf sediment data from a glacial trough off George Vth Land. The dataset describes a late Quaternary sediment drift deposit over 30 metres thick, discovered at a depth of 850 metres. Radiocarbon dating indicates a period of rapid deposition occurred between about 3,000 and 5,000 years before present.

Use Cases

• Modeling past Antarctic bottom water production rates based on sediment deposition patterns.
• Analyzing mid-Holocene climate variability based on the timing of rapid sediment deposition.
• Studying glacial trough morphology and sediment transport based on the described drift deposit location and thickness.

Strengths

• Describes a sediment deposit over 30 metres in thickness.
• Provides a specific temporal range for rapid deposition between about 3,000 and 5,000 years before present.
• Specifies a precise geographic location in an 850 metre deep glacial trough off George Vth Land.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Geoscience Australia Data

Collection Method

Likely contains data from marine geological surveys and radiocarbon dating analysis.

Time Range

Mid-Holocene, between about 3,000 and 5,000 years before present.

Freshness

Last updated 2026-04-20 02:32:54.166418; freshness should be verified.

Geography

Continental shelf of East Antarctica, in a glacial trough off George Vth Land.