Conflicting Permian Geochronology and Palynology Ages from the Canning Basin

U-Pb zircon dating from the Canning Basin reveals a 1.7-million-year age conflict between tuffs in non-marine and marginal-marine facies, challenging established spore-pollen zonation for the middle Permian. This dataset likely contains geochemical and stratigraphic data from chemical abrasion-isotope dilution thermal ionisation mass spectrometry (CA-IDTIMS) and argon-argon dating. The findings suggest facies-specific palynofloral influences complicate correlations within the Roadian–Wordian stages.

Use Cases

• Calibrating spore-pollen biozones based on radiometric ages from tuff beds.
• Assessing depositional environment influence on palynological assemblages using facies data.
• Refining the geochronological framework for the Permian Canning Basin.
• Comparing CA-IDTIMS and Ar-Ar dating results from coincidental basaltic sills.

Strengths

• Provides a precise U-Pb zircon age of 267.04 ± 0.14 Ma from a specific drill hole (Pittston SD-1).
• Cross-references multiple dating techniques (CA-IDTIMS, Ar-Ar, LA-ICPMS) mentioned in tags.
• Dataset is associated with a peer-reviewed publication in the Australian Journal of Earth Sciences.

Limitations

• Key metadata such as row count, column names, and license are unavailable across all sources.
• The dataset's structure and specific data points are not described, limiting immediate analysis.
• Platform update dates conflict, with one source showing 2026-04-04 and another 2026-05-05.

Provenance

Source

Mory, A. J., Crowley, J. L., Backhouse, J., Nicoll, R. S., Bryan, S. E., López Martínez, M., & Mantle, D. J. (2017). Australian Journal of Earth Sciences, 64(7), 889–901.

Collection Method

Chemical abrasion-isotope dilution thermal ionisation mass spectrometry (CA-IDTIMS) on zircon from tuffs; Ar-Ar dating on basaltic sills.

Time Range

Middle Permian (Roadian–Wordian), approximately 267 million years ago.

Freshness

2026-05-05

Geography

Canning Basin, Western Australia, specifically the Pittston SD-1 drill hole and core holes 350–400 km to the northeast.