Quartz SAR-OSL Ages for Stranded Beach Dunes in South Australia

Australian Ocean Data Network provides a dataset of single-aliquot regenerative-dose optically stimulated luminescence (SAR-OSL) ages for quartz extracts from stranded coastal barriers in south-east South Australia. The data covers an extended age range of 0-250 ka and is used to test dating accuracy against an existing chronology. The dataset was last updated in April 2026.

Use Cases

• Validate SAR-OSL dating accuracy by comparing SAR-OSL ages with independent chronology for dunes like Robe II (60 ka) and Robe III (100 ka).
• Reconstruct sea-level variations over the past 800 ka using the chronological sequence of stranded coastal barriers.
• Assess age agreement within error margins, such as 1 sigma for dunes younger than 240 ka and 2 sigma for older dunes.
• Support regional paleoenvironmental studies by providing dated markers for the Robe II range to West Naracoorte range dune sequence.

Strengths

• Covers an extended age range of 0-250 ka for quartz SAR-OSL dating.
• Enables direct comparison with an independent chronology for validation.
• Focuses on a well-studied coastal barrier sequence preserving 800 ka of sea-level history.

Limitations

• Specific sample size, row count, and column details are unknown.
• Data format is HTML, which may require parsing to extract structured data.
• Geographic scope is limited to south-east South Australia.

Provenance

Source

Australian Ocean Data Network

Collection Method

Quartz SAR-OSL dating performed on extracts from stranded coastal dune samples.

Time Range

Covers ages from 0 to 250 ka, within a sequence recording up to 800 ka.

Freshness

null

Geography

Stranded coastal barriers in south-east South Australia.