Tanami Region
Lithology: | Sedimentary, metamorphic and igneous: greywacke, shale, siltstone, sandstone, BIF, carbonaceous shale, amphibolite, dolerite, granite, felsic volcanic rocks. | |
Epoch Min: | Palaeoproterozoic. | |
Epoch Max: | Palaeoproterozoic. | |
Age Min: | 1790 Ma. | |
Age Max: | 1860 Ma. | |
Summary: | Palaeoproterozoic metasedimentary, intrusive and volcanic rocks forming part of the North Australian Craton. | |
Relationship: | Overlain by the Palaeo-Mesoproterozoic Birrindudu Basin to the north and Neoproterozoic to Palaeozoic Wiso Basin to the east. Has transitional contact with the Palaeo-Neoproterozoic Aileron Province to the southeast. | |
Thichness: | N/A. | |
Economic: | Hosts world class orogenic gold deposits. Potential for REE mineralisation and unconformity-style or palaeochannel-hosted uranium | |
Metamorphism: | Greenschist to amphibolite facies. | |
Main Reference: | Ahmad M, Vandenberg LC and Wygralak AS, 2013. Chapter 11: Tanami Region: in Ahmad M and Munson TJ (compilers) ‘Geology and Mineral Resources of the Northern Territory’. Northern Territory Geological Survey, Special Publication 5 |
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