A geological report detailing stratigraphy and structure of the Ngalia Basin in Northern Territory, Australia. The basin comprises Adelaidean and Palaeozoic sediments up to about 5 km thick, preserved in an intracratonic downwarp. The report was published by the Australian Ocean Data Network.
Use Cases
- Analyze sedimentary basin evolution based on described unconformities and tectosomes.
- Assess petroleum potential based on the reported absence of demonstrated good source rocks.
- Evaluate uranium mineralisation potential based on its confinement to Devono-Carboniferous continental sandstone.
- Model structural framework based on described thrusts, faults, horsts, and grabens.
- Study groundwater resources based on information about bore yields and water quality from specific sediments.
Strengths
- Report provides detailed thickness measurements for Adelaidean (3200 m), Cambrian (800 m), probable Ordovician (300 m), and Devono-Carboniferous (3100 m) sediments.
- Description includes a structural analysis of thrusts, faults, sinusoidal horsts, grabens, and an asymmetrical syncline.
- Analysis covers multiple geological periods from Adelaidean to late Palaeozoic and includes assessments of petroleum, uranium, and water resource potential.
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 data_gov_au, focusing solely on the Ngalia Basin.
Provenance
- Source
- Australian Ocean Data Network
- Freshness
- Last updated 2026-05-05 00:58:35.816244; freshness should be verified.
- Geography
- Ngalia Basin, Northern Territory, Australia