Mesozoic Outcrops on the Lower Continental Slope off Exmouth, Western Australia

Geoscience Australia Data provides seismic reflection profiles indicating probable Permian to Early Tertiary bedrock outcrops on the lower continental slope off Exmouth, Western Australia. The data covers water depths from 1400 to 4000 meters and describes rock types including fluvial sandstone, shale, and shelf limestone. The dataset was last updated on 2026-03-25.

Use Cases

• Modeling tectonic faulting and anticline structures based on described normal fault trends and a major anticline.
• Analyzing stratigraphic sequences based on described rock types from Permian to Cainozoic periods.
• Testing theories of margin formation based on interpretations of Late Cretaceous transcurrent or normal faulting.
• Correlating seismic profiles with the Northwest Shelf stratigraphic sequence as mentioned in the description.

Strengths

• Specific water depth range from 1400 to 4000 meters is provided.
• Rock types and geological periods (Permian to Cainozoic) are described in detail.
• Tectonic features like fault trends and a major anticline are identified.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to data_gov_au.

Provenance

Source

Geoscience Australia Data

Collection Method

Seismic reflection profiles tied to the Northwest Shelf stratigraphic sequence.

Time Range

Probable Permian to Early Tertiary age bedrock.

Freshness

Last updated 2026-03-25 17:39:13.527007; freshness should be verified.

Geography

Lower continental slope off Exmouth, Western Australia; southwestern margin of the Exmouth Plateau.