Project 121.30: Southern Lord Howe Rise Seismic Survey Data

The southern Lord Howe Rise and West Norfolk Ridge region is the focus of this marine geophysical dataset. It contains approximately 3,191 km of multichannel seismic data acquired during a 1992 survey to investigate the region's geological framework and continental shelf boundaries. The data was collected by the Australian Ocean Data Network to support resource assessment and legal seabed definition.

Use Cases

• Modeling basin development based on seismic stratigraphy mentioned in the description
• Assessing hydrocarbon resource potential of structural features within the region
• Determining tectonic framework and crustal characteristics to understand 'ribbon continent' formation
• Supporting legal continental shelf definition for Australia based on acquired geophysical data

Strengths

• Approximately 3,191 km of multichannel seismic data acquired
• Data quality described as 'very good' in the report
• Survey used 30-fold coverage and 16-second records for deep crustal imaging

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment
• Last updated 2026-06-23 03:02:47.470989; freshness should be verified

Provenance

Source

Australian Ocean Data Network

Collection Method

Acquired via marine survey using a 3000 m streamer and 49 litre sleeve gun arrays

Time Range

Survey conducted November 6 to December 3, 1992

Geography

Southern Lord Howe Rise, southern New Caledonia Basin, and West Norfolk Ridge region