Geomorphology and Evolution of the Gigantic Murray Canyons on the Australian Southern Marg

Geoscience Australia Data provides a dataset describing the Murray Canyons, a group of deeply-incised submarine canyons off Kangaroo Island, South Australia. The data likely contains detailed geomorphological information on canyons up to 80 km long and 5200 m deep, with episodic development since the latest Cretaceous. The dataset was last updated on 2026-04 20.

Use Cases

• Analyze canyon morphology and dimensions based on described lengths, depths, and wall heights.
• Model sediment transport and turbidity current events based on described large holes and Quaternary turbidites.
• Study the link between canyon development and sea-level changes based on described glacioeustatic cycles and lowstand activity.
• Correlate geological timelines based on described down-cutting events from the Paleocene to Pleistocene.
• Map the influence of underlying rift structures on canyon shape based on described Jurassic-Cretaceous controls.

Strengths

• Describes specific, large-scale geological features including canyons 80 km long and 5200 m deep.
• Provides a detailed temporal framework for canyon development spanning from the latest Cretaceous to the Pleistocene.
• Includes precise geomorphological measurements such as wall heights of 2 km and slope gradients of 15°-30°.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data format is listed as HTML, which may not be a standard structured data format for analysis.

Provenance

Source

Geoscience Australia Data

Collection Method

Likely derived from marine geological surveys and research.

Time Range

Covers geological events from the latest Cretaceous to the Pleistocene.

Freshness

Last updated 2026-04-20 01:32:23.698522; freshness should be verified.

Geography

Murray Canyons on the continental slope off Kangaroo Island, South Australia.