Lawn Hill Platform
Lithology: | Sedimentary and minor volcanic: sandstone, siltstone, shale, dolostone, basalt, rhyolite, conglomerate. | |
Epoch Min: | Mesoproterozoic. | |
Epoch Max: | Palaeoproterozoic. | |
Age Min: | 1550 Ma. | |
Age Max: | 1780 Ma. | |
Summary: | A variably deformed sedimentary basin. Major exposures in Queensland. | |
Relationship: | Unconformably overlies Palaeoproterozoic Murphy Province. Unconformably overlain by Mesoproterozoic South Nicholson Basin and Neoproterozoic to Palaeozoic Georgina Basin. Stratigraphic equivalents to Palaeo- and Mesoproterozoic units of the McArthur Basin | |
Thickness: | At least 8 km. | |
Economic: | Hosts minor base metal occurrences in Northern Territory. Hosts Century Zn mine in Queensland. | |
Metamorphism: | Unmetamorphosed. | |
Main Reference: | Ahmad M and Munson TJ, 2013. Chapter 18: Lawn Hill Platform: 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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