Buddycurrawa Volcanics: Late Paleoproterozoic Geochronology and Mineral Potential
Updated 2mo ago
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Description
The South Nicholson region in the Northern Territory, Australia, hosts the Buddycurrawa Volcanics, a sequence of trachyte lavas and shallow-marine siliciclastic rocks. Geoscience Australia researchers published new geochronology data in 2020, establishing an extrusion age constrained between approximately 1662 and 1631 million years ago. The dataset likely contains geological descriptions, age dating results, and analysis of hydrothermal features and alteration linked to regional base metal mineral systems.
Use Cases
Correlating regional volcanic units based on established late Paleoproterozoic age constraints.
Assessing base metal mineral system potential based on described hydrothermal 'white smoker' pipes.
Studying regional fluid flow events based on reported potassic alteration ages between approximately 1612 and 1323 Ma.
Mapping geological history based on the sequence of lavas and interleaved siliciclastic rocks.
Strengths
Provides precise age constraints from two dating methods: SHRIMP U-Pb zircon (ca. 1662 Ma) and in situ laser Rb-Sr on glauconite (ca. 1631 Ma).
Links geological features like 'white smoker' pipes and potassic alteration to regional hydrothermal and mineralisation systems.
Addresses previously limited information and speculative correlations for the Buddycurrawa Volcanics.
Limitations
Column-level documentation is absent; field semantics must be inferred after download.
Row count is unknown, which may limit suitability assessment.
Data is presented in a PDF format, which may require extraction for computational analysis.
Provenance
Source
Geoscience Australia, as cited in the 2020 Extended Abstracts for the Exploring for the Future program.
Collection Method
Geological field study and laboratory geochronology analysis (SHRIMP U-Pb, laser Rb-Sr).
Time Range
Late Paleoproterozoic, specifically constrained between approximately 1662 and 1631 million years ago.
Freshness
Last updated 2026-04-10 18:14:14.618570; freshness should be verified.