Glacial Groove Surfaces in Western Australia Indicating Late Palaeozoic Ice Sheets

Late Palaeozoic glacial grooved surfaces in the Grant Range, Canning Basin, provide evidence for ice sheet extent and movement. The data, published by the Australian Ocean Data Network, includes observations of groove orientation and sedimentary structures indicating ice motion from the south-southeast. It suggests ice sheets originating in the Pilbara Block extended approximately 400 km into the basin.

Use Cases

• Reconstructing Late Palaeozoic ice sheet extent based on mapped glacial groove surfaces
• Analyzing paleo-ice flow direction based on groove orientation and sedimentary structures
• Modeling grounding line positions of ancient ice shelves based on described facies geometry
• Correlating glacial evidence across basins based on the reported 400 km ice sheet extension

Strengths

• Describes a specific geological feature (glacial grooved surfaces) with a clear spatial context (Grant Range, Canning Basin).
• Provides a quantitative estimate for ice sheet extent (approximately 400 km).
• Links observed features to a specific paleoclimatic event (Late Palaeozoic glaciation).

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Data is presented in PDF/HTML formats, which may require extraction for computational analysis.

Provenance

Source

Australian Ocean Data Network

Collection Method

Geological field observation and analysis.

Time Range

Late Palaeozoic

Freshness

Last updated 2026-04-10 19:56:05.958699; freshness should be verified.

Geography

Grant Range, Grant Group, Canning Basin, Pilbara Block, Western Australia