Marine Geophysical Survey Data from Scott Plateau to Java Trench, 1977

Geoscience Australia Data provides marine geophysical data from a 1977 R.V. Valdivia survey off northwest Australia. The collection includes 1700 km of 24-channel seismic data, 2550 km of bathymetric, gravity, and magnetic data, and 31 bottom samples from water depths of 2000 m to 5800 m. The data covers the Scott Plateau, Argo Abyssal Plain, Roti Basin, and the Java Trench, providing insights into continental breakup and sedimentation.

Use Cases

• Modeling tectonic plate boundaries based on seismic profiles and fault descriptions.
• Analyzing sedimentation rates and calcite compensation depth changes based on core sample data.
• Mapping seafloor topography and geological features using bathymetric and magnetic data.
• Studying the composition and economic potential of seabed resources based on manganese nodule samples.

Strengths

• Includes 1700 km of 24-channel seismic reflection data.
• Contains 2550 km of co-located bathymetric, gravity, and magnetic measurements.
• Provides 31 physical bottom samples with detailed depth and location context.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data is from a single 1977 survey; temporal coverage is limited.

Provenance

Source

Geoscience Australia Data

Collection Method

Collected during the 1977 R.V. Valdivia marine survey using seismic, bathymetric, gravity, magnetic instruments, and coring.

Time Range

1977 (survey year); core samples contain material from Late Jurassic to Holocene.

Freshness

Last updated 2026-04-30 15:31:19.406084; freshness should be verified.

Geography

Scott Plateau, Argo Abyssal Plain, Roti Basin, and Java Trench off northwest Australia.