Geoscientific Survey Data from Scott Plateau to Java Trench, 1977

Geoscience Australia Data provides a dataset from a 1977 R.V. Valdivia survey between the Scott Plateau off northwest Australia and the Java Trench. The survey recorded 1700 km of 24-channel seismic data, 2550 km of bathymetric, gravity, and magnetic data, and collected 31 bottom samples from water depths of 2000 m to 5800 m. The data offers insights into the region's geological structure, sediment layers, and paleoceanographic conditions.

Use Cases

• Analyzing tectonic structures and fault systems based on the described seismic profiles and bathymetric features.
• Studying sediment composition and geological history based on the described bottom samples and core analyses.
• Modeling paleoceanographic conditions like calcite compensation depth changes based on core data from the Java Trench and Scott Plateau.
• Mapping seafloor morphology and basement characteristics based on the bathymetric, gravity, and magnetic survey lines.

Strengths

• Includes 1700 km of 24-channel seismic data and 2550 km of bathymetric, gravity, and magnetic data, providing multi-modal geophysical coverage.
• Contains 31 physical bottom samples with described core analyses, offering ground-truth for seismic interpretations.
• Covers a significant transect from a continental block (Scott Plateau) to an oceanic trench (Java Trench), capturing diverse geological settings.

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 to that period.

Provenance

Source

Geoscience Australia Data

Collection Method

Marine survey conducted by the R.V. Valdivia, collecting seismic, bathymetric, gravity, magnetic data, and physical bottom samples.

Time Range

1977

Freshness

Last updated 2026-04-20 01:13:47.303079; freshness should be verified.

Geography

Scott Plateau off northwest Australia to the Java Trench.