The Murray Canyons are a group of deeply-incised submarine canyons on a steep 400-km section of the continental slope off Kangaroo Island, South Australia. Some canyons are 80 km long, descending to an abyssal plain 5200 m deep, with walls up to 2 km high. The dataset, provided by Geoscience Australia, describes the canyons' formation, structure, and episodic down-cutting activity since the latest Cretaceous, with peak activity since the Oligocene.
Use Cases
- Modeling turbidity current erosion based on described large holes and canyon wall gradients.
- Analyzing the link between glacioeustatic sea-level cycles and canyon development timing mentioned in the description.
- Mapping continental slope morphology using described canyon profiles and gradients.
- Studying sediment provenance and deposition based on the described input from the Murray River during Pleistocene lowstands.
Strengths
- Description provides specific geomorphological measurements, including a 400-km continental slope section and canyon depths up to 5200 m.
- Includes detailed temporal context for canyon development, with events dated from the early Paleocene to the Pleistocene.
- Originates from Geoscience Australia, a national geological survey organization.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- The primary file format is HTML, which may not be a standard structured data format for analysis.
Provenance
- Source
- Geoscience Australia Data
- Time Range
- Latest Cretaceous to Pleistocene (geological time scale)
- Freshness
- Last updated 2026-03-25 18:07:21.062467; freshness should be verified.
- Geography
- Continental slope off Kangaroo Island, South Australia, Southern Margin of Australia