Lord Howe Rise Geophysical Survey Data and Petroleum Prospect Analysis

Geoscience Australia Data provides preliminary geophysical results and petroleum prospect analysis for the Lord Howe Rise submarine feature in the Tasman Sea. The dataset covers a region approximately 2000 km long and 300 km wide, with water depths ranging from 750 to 1200 m. It includes interpretations of sediment basins up to 4000 m thick and assessments of potential source rocks and traps.

Use Cases

• Modeling sedimentary basin architecture based on described graben structures up to 40 km wide.
• Assessing petroleum prospectivity based on interpreted source rocks, traps, and seal formations.
• Reconstructing paleogeography and depositional environments from seismic profile interpretations.
• Evaluating deep-water drilling targets based on sediment thickness and heat flow indications.

Strengths

• Describes a major submarine feature with specific dimensions: 2000 km long, 300 km wide.
• Includes quantified sediment data, with basins containing up to 4000 m of sediment.
• Integrates multiple data sources, including R.V. Sonne cruise survey data and DSDP Site 207 findings.

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 the specific survey area.

Provenance

Source

Geoscience Australia Data

Collection Method

Geophysical survey and scientific analysis, likely from research vessel cruises and published literature.

Time Range

Includes interpretations from Late Cretaceous to present.

Freshness

Last updated 2026-03-25 18:34:52.784333; freshness should be verified.

Geography

Lord Howe Rise, Tasman Sea, approximately 600 to 1200 km off the east coast of Australia.