Geoscience Australia Data provides a field guide describing Paleoproterozoic to earliest Mesoproterozoic sequences in the Mount Isa region. The dataset preserves a 200-million-year geological record from 1800 to 1600 Ma, detailing intracontinental rifting and basin evolution. It describes three stacked sedimentary basins separated by major unconformities.
Use Cases
- Modeling basin evolution based on the described sequence of three stacked sedimentary basins.
- Analyzing crustal thinning and magmatism based on the described transition from continental to oceanic tholeiites.
- Studying supercontinent breakup based on the record of Nuna supercontinent rifting.
- Correlating geological events based on the described timeline of sedimentation and deformation episodes.
Strengths
- Covers a 200-million-year geological record from 1800 to 1600 Ma.
- Describes three distinct sedimentary basins (Leichhardt, Calvert, Isa superbasins) with defined time ranges.
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.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Combination of mine visits and outcrop geology.
- Time Range
- 1800-1600 Ma (Paleoproterozoic to earliest Mesoproterozoic)
- Freshness
- Last updated 2026-05-14 05:08:51.162691; freshness should be verified.
- Geography
- Mount Isa region, northern Australia