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Geophysical interpretation of the Harris Greenstone Belt, Gawler Craton, South Australia (Map - Preliminary Edition)

posted on 2023-05-26, 08:39 authored by Hoatson, DM, Nicholas DireenNicholas Direen, Whitaker, AJ, Lane, RJL, Daly, SJ, Schwarz, MP, Davies, MB
The Harris Greenstone Belt in the central Gawler Craton of South Australia has potential for Archaean Ni-Cu-PGE sulphide and Archaean-Proterozoic lode-Au mineralising systems. This map is a preliminary interpretation of the Precambrian basement geology based on aeromagnetics, gravity, and diamond drilling. It highlights the extensive distribution of poorly exposed Archaean komatiites and associated rocks (green) that have a strike extent of at least 300 km. The regional pattern of linear komatiitic sequences associated with ovoid granitic plutons and province-wide shear systems, is very similar to the economically important Eastern Goldfields Province in the Yilgarn Craton, Western Australia.



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