Lord Howe Island Quaternary Calcarenite Stratigraphy and Coastal Carbonate Record

Stratigraphic data from Lord Howe Island in the southwestern Pacific Ocean details two carbonate formations. A chronology is constructed based on U/Th, TL, AMS 14C, and amino acid racemization dating methods. The dataset is provided by Geoscience Australia Data and was last updated on 2026-04-30.

Use Cases

• Modeling coastal dune depositional history based on described eolianite and beach calcarenite units.
• Correlating depositional phases with global climate stages based on the oxygen isotope stage (OIS) chronology.
• Studying diagenetic processes in carbonate rocks based on described cement types like sparite and micrite.

Strengths

• Chronology constructed from multiple dating methods: U/Th, TL, AMS 14C, and amino acid racemization.
• Stratigraphic record captures up to 7 discrete phases of deposition from the Middle Pleistocene.
• Data sourced from Geoscience Australia Data, a national geoscience organization.

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 the single-island study location.

Provenance

Source

Geoscience Australia Data

Collection Method

Field stratigraphy and laboratory dating of geological samples.

Time Range

Middle Pleistocene to late Pleistocene (e.g., OIS 7, OIS 5e, OIS 5a).

Freshness

Last updated 2026-04-30 14:36:32.043025; freshness should be verified.

Geography

Lord Howe Island, southwestern Pacific Ocean.