Sedimentary: dolostone, limestone, sandstone, siltstone, basalt, coal.
A pericratonic basin, extending from the Arnhem Land coastline to West Irian. Permian sequences present in offshore sections of the basin.
Overlies Proterozoic rocks of the Pine Creek Orogen and McArthur Basin, and is unconformably overlain by the Mesozoic Money Shoal Basin.
3 km onshore deepening to 15 km offshore.
Nine petroleum wells have been drilled offshore within the region (through Money Shoal and Arafura basin successions); several of these intersected significant oil shows in both carbonate and clastic sequences.
Ahmad M and Munson TJ, 2013. Chapter 35: Arafura 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: 13 October 2017