Project 121.30: Southern Lord Howe Rise Seismic Survey Data

A marine geophysical dataset containing approximately 3,191 km of multichannel seismic lines acquired in 1992. The data was collected by the Australian Ocean Data Network to investigate the geological framework of the southern Lord Howe Rise and West Norfolk Ridge region. The survey aimed to support continental shelf definition and assess the resource potential of the seabed boundary zone between Australia and New Zealand.

Use Cases

• Modeling basin development and stratigraphy based on deep crustal seismic profiles.
• Assessing hydrocarbon or mineral resource potential of structural features within the region.
• Determining tectonic framework and crustal characteristics to understand 'ribbon continent' formation.
• Supporting legal definition of Australia's continental shelf boundaries based on acquired geophysical data.

Strengths

• Contains 3,191 km of seismic data with 30-fold coverage, indicating substantial spatial coverage.
• Data quality described as 'very good' in the report, with noise levels within specifications during calm weather.
• Acquired using a 3,000 m streamer and 49 litre sleeve gun arrays, suggesting a systematic, high-effort survey.

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 survey in 1992; temporal coverage is limited.

Provenance

Source

Australian Ocean Data Network

Collection Method

Acquired via marine seismic survey (Survey 114) using a 3,000 m streamer and sleeve gun arrays.

Time Range

Survey conducted November 1992.

Freshness

Last updated 2026-06-16 18:07:19.740033; freshness should be verified.

Geography

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