Lord Howe Rise Marine Geophysical Data for Continental Ribbon Study

The Lord Howe Rise east of Australia is a 600 km wide, 1,600 km long continental ribbon. Data includes a 680 km east-west seismic profile and ~600 km of high-resolution 2D seismic reflection data acquired by JAMSTEC vessel R/V Kairei in March–May 2016. Preliminary results from the 2016 Seismological Society of Japan Fall Meeting suggest varying basement from oceanic to continental crust.

Use Cases

• Modeling crustal thickness and composition based on wide-angle seismic refraction data.
• Mapping rift-fill sedimentary deposits and acoustic basement using multi-channel seismic reflection data.
• Investigating driving forces for continental ribbon detachment based on gravity and magnetic data.
• Supporting site selection for IODP drilling proposals with high-resolution 2D seismic data.
• Analyzing the geometry of sedimentary basins like the Middleton, Capel, and Faust basins.

Strengths

• Includes a 680 km long east-west seismic profile with ~100 ocean-bottom seismometers.
• Contains ~600 km of high-resolution 2D seismic reflection data for seven potential IODP drilling sites.
• Data acquisition was conducted in collaboration with Geoscience Australia, a national authority.
• Multibeam bathymetry, gravity, and magnetic data provide complementary geophysical information.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last updated 2026-05-05 01:57:29.326783; freshness should be verified.

Provenance

Source

Australian Ocean Data Network

Collection Method

Data acquired onboard the JAMSTEC vessel R/V Kairei in March–May 2016.

Time Range

Data acquisition occurred in March–May 2016.

Geography

Lord Howe Rise east of Australia, in water depths up to 3,000 m.