Crustal Transects of the Great Australian Bight : A Cruise Proposal in Support of the Ocea

A proposal outlines plans to acquire 4087 km of deep-seismic data in the Great Australian Bight. The data aims to support petroleum exploration, an Ocean Drilling Program proposal, and Australia's continental shelf claim under UNCLOS. The dataset is provided by Geoscience Australia Data and was last updated in May 2026.

Use Cases

• Modeling tectonic evolution based on deep crustal structure data.
• Supporting petroleum exploration by interpreting extensional processes and detachment surfaces.
• Delimiting the legal continental shelf based on data defining the continent-ocean boundary.
• Investigating the origin of geological features like the Diamantina Zone based on seismic transects.

Strengths

• Proposes acquisition of 4087 km of deep-seismic data with a 16-second record length.
• Data collection is designed to address three distinct, high-impact objectives.
• Intends to integrate with existing seismic refraction data from 1976.

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

Proposed acquisition via the AGS0 research vessel Rig Seismic.

Freshness

Last updated 2026-05-14 04:04:03.954130; freshness should be verified.

Geography

Central Great Australian Bight and continental margin south of Western Australia.