Bonaparte Basin


Sedimentary and volcanic: limestone, sandstone, siltstone, basalt, coal, glacial coarse clastic sediments.

Bonaparte Basin

Epoch Min:


Epoch Max:


Age Min:

65 Ma.

Age Max:

500 Ma.


A composite basin that outcrops near the Joseph Bonaparte Gulf and extends offshore underlying the waters of the Joseph Bonaparte Gulf and Timor Sea. Includes the Late Devonian Petrel Sub-basin and Vulcan Sub-basin. Extends into Western Australia.


Overlies Palaeoproterozoic metasedimentary and igneous rocks of the Pine Creek Orogen and Proterozoic sediments of the Fitzmaurice Basin.


At least 5 km onshore deepening to 15 km offshore.


Nine significant petroleum wells have been drilled within the Northern Territory portion of the basin. Contains small gas and oil accumulations. MVT style Pb-Zn-Ag occurrences and minor coal interbeds are present onshore.



Main Reference:

Ahmad M and Munson TJ, 2013. Chapter 36: Bonaparte 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: 09 May 2016


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