Permian Tuff Zircon Ages and Palynology Data from the Canning Basin, Australia

Western Australia's Canning Basin provides data on apparent age conflicts in middle Permian stratigraphy. The dataset likely contains U-Pb zircon dates from tuffs and associated palynological zone information, published in a 2017 study by Mory et al. in the Australian Journal of Earth Sciences. It documents a 1.7-million-year discrepancy between CA-IDTIMS dates and established spore-pollen zonation.

Use Cases

• Calibrating biostratigraphic zones based on U-Pb zircon dates mentioned in the description.
• Analyzing facies-dependent palynological assemblage variations based on the described non-marine vs. marginal-marine environment conflict.
• Investigating the influence of local depositional environments on fossil records as suggested by the description.
• Comparing geochronological data (CA-IDTIMS) with palynological first appearance datums described in the study.

Strengths

• Includes high-precision CA-IDTIMS U-Pb dates with a reported uncertainty of ±0.14 Ma.
• Focuses on a specific, documented stratigraphic conflict of 1.7 million years between two zones.
• Data is associated with a peer-reviewed publication in the Australian Journal of Earth Sciences.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The description notes that age revisions are not considered justifiable without further supporting evidence, indicating unresolved scientific debate.

Provenance

Source

Australian Ocean Data Network via data_gov_au, associated with a study by Mory et al. (2017).

Collection Method

Chemical abrasion-isotope dilution thermal ionisation mass spectrometry (CA-IDTIMS) dating of zircons and palynological analysis.

Time Range

Roadian–Wordian (middle Permian), with specific dates around 267.04 Ma.

Freshness

Last updated 2026-04-04 09:09:59.022295; freshness should be verified.

Geography

Canning Basin, Western Australia, with sample locations 350–400 km apart.