Murphy Province

Lithology:

Sedimentary, metamorphic, igneous and volcanic: metagreywacke, phyllite, shale, schist quartzite, felsic volcanic rocks, alkaline igneous intrusives and granite.

Epoch Min:

Palaeoproterozoic.

Epoch Max:

Palaeoproterozoic.

Age Min:

1840 Ma.

Age Max:

1870 Ma.

Summary:

Comprising two Palaeoproterozoic basement inliers, the Murphy and Carrara Range, forming part of the North Australian Craton.

Relationship:

Unconformably overlain by, and faulted against, the Palaeo-Mesoproterozoic McArthur Basin to the north, Lawn Hill Platform and South Nicholson Basin to the south. Unconformably overlain by the Neoproterozoic to Palaeozoic Georgina Basin to the west.

Thickness:

N/A.

Economic:

Host Au-U, Cu, Sn and W prospects.

Metamorphism:

Greenschist facies.

Main References:

Ahmad M, Munson TJ and Wygralak AS, 2013. Chapter 8: Murphy Province: in Ahmad M and Munson TJ (compilers) ‘Geology and Mineral Resources of the Northern Territory’. Northern Territory Geological Survey, Special Publication 5