Eromanga Basin Geological Summary

Lithology:	Sedimentary: sandstone, siltstone, mudstone, coal, shale, red beds.
Epoch Min:	Cretaceous.
Epoch Max:	Jurassic.
Age Min:	65 Ma.
Age Max:	205 Ma.
Summary:	Unmetamorphosed and relatively undeformed intracratonic basin.
Relationship:	Unconformably overlies the Permo-Carboniferous Pedirka Basin. Both basins are unconformable on the metamorphic rocks of the Arunta Region and Musgrave Block.
Thickness:	Up to 4 km.
Economic:	Moderate oil shows are found within the NT part of the Basin.
Exploration:	Potential for oil. The basin has untested uranium potential.
Metamorphism:	Unmetamorphosed.
Main References:	Ambrose GJ, Liu K, Deighton I, Eadington PJ and Boreham CJ, 2002. New models in the Pedirka Basin, Northern Territory, Australia. APPEA Journal 41(1), 139-163. Northern Territory Geological Survey 1990. Petroleum Basin Study - Eromanga Basin. Prepared by Questa Australia Pty Ltd. Northern Territory Government Printer. Ambrose GJ, 2006. Northern Territory of Australia, onshore hydrocarbon potential, 2006. Northern Territory Geological Survey, Record 2006-003. Senior BR, Harrison PL and Mond A, 1978. Geology of the Eromanga Basin, Queensland. Bureau of Mineral Resources, Bulletin 167.

Last Updated: 29 June 2007

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Date last updated 29/06/2007