Sedimentary: dolostone, limestone, shale, sandstone, siltstone.
An intracratonic basin initiated as part of the Centralian Superbasin. The basin deepens toward the south (Lander Trough) along the margin with the Aileron Province.
Faulted against Palaeo-Neoproterozoic metamorphic rocks of the Aileron Province to the south. Unconformably overlies Palaeoproterozoic rocks of the Tanami Region to the west, Tennant Region to the east, and the Palaeo-Mesoproterozoic Birrindudu Basin to the northwest. Cretaceous rocks of the Carpentaria Basin cover its northern margin.
Up to 3 km in the Lander Trough, generally less than 300m elsewhere.
Rare oil shows in stratigraphic holes. Gas shows in waterbores.
Kruse PD and Munson TJ, 2013. Chapter 32: Wiso Basin: in Ahmad M and Munson TJ (compilers) ‘Geology and Mineral Resources of the Northern Territory’. Northern Territory Geological Survey, Special Publication 5
Last updated: 01 February 2019