Lord Howe Rise Geophysical Survey Results and Petroleum Prospect Analysis

Geoscience Australia Data provides a report on preliminary geophysical results and petroleum prospects for the Lord Howe Rise in the Tasman Sea. The dataset likely contains interpreted seismic profiles, sediment thickness measurements, and structural analyses from the R.V. Sonne cruise and DSDP Site 207. It was last updated on 2026-04-20.

Use Cases

• Assess hydrocarbon potential based on described sediment thicknesses, source rock indications, and trap structures.
• Model basin evolution based on interpreted graben structures and rift-related features.
• Reconstruct paleogeography based on seismic evidence of Late Cretaceous shallow marine environments.
• Evaluate drilling targets in deep-water settings based on described structural and stratigraphic traps.

Strengths

• Includes specific quantitative measurements, such as sediment basins 20-40 km wide containing up to 4000 m of sediment.
• Draws on data from specific research cruises (e.g., R.V. Sonne) and drilling sites (DSDP Site 207).
• Provides detailed geological interpretation for a major submarine feature approximately 2000 km long and 300 km wide.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Geoscience Australia Data

Collection Method

Geophysical survey data from research cruises (e.g., R.V. Sonne) and analysis of drilling results (DSDP Site 207).

Freshness

Last updated 2026-04-20 02:07:23.035868; freshness should be verified.

Geography

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