Pedirka Basin

Sedimentary: sandstone, siltstone, mudstone, coal, shale, glacial sediments.

Epoch Min:

Carboniferous.

Epoch Max:

Permian.

Age Min:

260 Ma.

Age Max:

300 Ma.

Summary:

An intracratonic sedimentary basin that extends into South Australia.

Relationship:

Unconformably overlies the Neoproterozoic to Palaeozoic Amadeus and Warburton basins and the Mesoproterozoic Musgrave Province. Unconformably overlain by the Mesozoic Eromanga Basin.

Thickness:

Up to 1.5 km.

Economic:

Potential for both oil and gas. Contains significant coal horizons.

Metamorphism:

Unmetamorphosed.

Main References:

Munson TJ and Ahmad M, 2013. Chapter 38: Pedirka Basin: in Ahmad M and Munson TJ (compilers) ‘Geology and Mineral Resources of the Northern Territory’. Northern Territory Geological Survey, Special Publication 5