Halls Creek Orogen
Metamorphic, igneous and volcanic: phyllite, schist, rhyolite, rhyodacite, granite and dolerite.
Palaeoproterozoic metasedimentary, intrusive and volcanic rocks forming part of the North Australian Craton. Mainly exposed in Western Australia
Unconformably overlain by Palaeo-Mesoproterozoic Fitzmaurice, Neoproterozoic Wolfe and Phanerozoic Bonaparte basins.
No known mineral occurrences in Northern Territory. In Western Australia hosts mafic-hosted Ni-Cu and PGE mineralisation, diamonds, VMS-style base metals and orogenic gold mineralisation.
Greenschist to amphibolite facies.
Ahmad M and Scrimgeour IR, 2013. Chapter 7: Halls Creek Orogen: in Ahmad M and Munson TJ (compilers) ‘Geology and Mineral Resources of the Northern Territory’. Northern Territory Geological Survey, Special Publication 5
Last updated: 09 May 2016