The Granites-Tanami region links Proterozoic areas of northwestern and central Australia, containing rock units dated from 1960 million years ago to the early Carboniferous. The dataset, published by the Australian Ocean Data Network, describes two main tectonic units: the Granites-Tanami Block and the Birrindudu Basin. It provides interregional correlations with geological structures in the Kimberley, Victoria River, Arunta Block, Amadeus Basin, Tennant Creek, and Canning Basin regions.
Use Cases
- Correlating regional stratigraphy based on described rock units like the Tanami Complex and Birrindudu Group.
- Modeling tectonic evolution based on the five major phases of tectonic activity mentioned.
- Studying basin interconnectivity, such as the link between the Birrindudu and Amadeus Basins indicated by the Redcliff Pound Group correlation.
- Mapping the distribution of Proterozoic metasediments, metavolcanics, and granites (1820-1710 m.y. old) described in the Granites-Tanami Block.
Strengths
- Includes specific geological age ranges, such as 1820-1710 million years for granites and about 1560 million years for the Birrindudu Group.
- Provides detailed interregional correlations with named geological groups and formations in surrounding Australian regions.
- Identifies five major phases of tectonic activity with age ranges from Lower Proterozoic to early Carboniferous.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data is provided as HTML and PDF documents, which may require extraction for computational analysis.
Provenance
- Source
- Australian Ocean Data Network
- Time Range
- Proterozoic to Palaeozoic (c. 1960 million years ago to early Carboniferous)
- Freshness
- Last updated 2026-04-16 16:33:12.743435; freshness should be verified.
- Geography
- Granites-Tanami region, Western Australia and Northern Territory, Australia, with correlations to surrounding regions.