Sediments and Geophysical Data from the Argo Abyssal Plain, Northeast Indian Ocean

A series of geophysical traverses and sediment cores collected by the research vessel Atlantis II provide information on sedimentary and tectonic processes in the Argo Abyssal Plain. The dataset includes isopach maps of sediment thickness, evidence of probable diapirs, and a diverse collection of core samples such as siliceous clays, calcareous oozes, and manganese nodules. Data was aggregated by the Australian Ocean Data Network and last updated in April 2026.

Use Cases

• Model sediment thickness distribution based on isopach maps derived from seismic profiles.
• Analyze the composition and origin of seabed diapirs based on geophysical survey data.
• Study carbonate compensation depth (CCD) effects using core samples of calcareous ooze and siliceous clay.
• Investigate volcanic basement structures using recovered hyaloclastite and basalt samples.

Strengths

• Includes a diverse set of physical samples such as manganese nodules, calcareous oozes, and basalt.
• Covers multiple distinct geological sites including a fore-arc basin and the Joey Rise area.
• Data is hosted by the authoritative Australian Ocean Data Network.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The description notes it was not possible to determine if probable diapirs are salt or mud-cored.

Provenance

Source

Australian Ocean Data Network

Collection Method

Geophysical traverses and coring operations conducted by the research vessel Atlantis II.

Time Range

null

Freshness

Last updated 2026-04-10 21:35:47.100777; freshness should be verified.

Geography

Argo Abyssal Plain and adjacent areas, northeast Indian Ocean, including Joey Rise and Exmouth Plateau.