Western Australia's Canning Basin provides zircon U–Pb dates and spore-pollen zonation data from middle Permian tuffs. The dataset, published by Mory et al. in 2017, reveals an apparent age conflict of approximately 1.7 million years between non-marine and marginal-marine facies. It includes CA-IDTIMS ages and palynological zone assignments from core holes spanning 350–400 km.
Use Cases
- Calibrating Permian spore-pollen biozones based on U–Pb zircon dates mentioned in the description.
- Investigating facies-dependent age discrepancies in palynological assemblages described in the study.
- Refining the Roadian–Wordian (middle Permian) geologic time scale using the reported CA-IDTIMS ages.
- Modeling local depositional influences on fossil records in the Canning Basin as discussed.
Strengths
- Includes high-precision CA-IDTIMS U–Pb dates with reported uncertainties (e.g., 267.04 ± 0.14 Ma).
- Provides comparative data from core holes spanning a 350–400 km transect within the basin.
- Contextualizes data with discussion of non-marine versus marginal-marine facies influences.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Chemical abrasion-isotope dilution thermal ionisation mass spectrometry (CA-IDTIMS) dating of zircons and palynological analysis.
- Time Range
- Roadian–Wordian (middle Permian), approximately 267 million years ago.
- Freshness
- Last updated 2026-04-30 13:35:15.906206; freshness should be verified.
- Geography
- Canning Basin, Western Australia.