MARS: Marine Sediment Characteristics for Australia's Seabed

Approximately 100,000 sample records of seabed sediment characteristics from Australia's marine jurisdiction, including the Australian Antarctic Territory. The database, managed by the Australian Ocean Data Network, includes analytical properties such as grain size, carbonate content, mineralogy, geochemistry, and age determinations. Data are added as they become available, with a last update recorded on 2026-04-10.

Use Cases

• Model seabed geology and composition based on sediment properties like grain size and mineralogy
• Analyze historical sediment deposition patterns based on age determinations
• Map continental shelf and deep-sea sediment distribution based on geospatial sample locations
• Assess carbonate content for climate and ocean acidification studies

Strengths

• Approximately 100,000 sample records provide a substantial data volume
• Includes multiple analytical properties such as grain size, carbonate, mineralogy, and geochemistry
• Covers a wide spatial range including coastal, shelf, and deep-sea locations

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 bias inherent to data_gov_au, focusing on Australia's jurisdiction

Provenance

Source

Australian Ocean Data Network

Collection Method

Samples collected from seabed and sub-seabed locations within Australia's marine jurisdiction.

Time Range

null

Freshness

Last updated 2026-04-10 16:43:48.540563; freshness should be verified

Geography

Australia's marine jurisdiction, including the Australian Antarctic Territory, covering coastal, continental shelf, and deep sea locations.