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

DM Hoatson, N. G. Direen, AJ Whitaker, Rjl Lane, SJ Daly, M. Schwarz, MB Davies

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Abstract

The Harris Greenstone Belt in the central Gawler Craton of South Australia \nhas potential for Archaean Ni-Cu-PGE sulphide and Archaean-Proterozoic \nlode-Au mineralising systems. This map is a preliminary interpretation of the \nPrecambrian basement geology based on aeromagnetics, gravity, and diamond \ndrilling. It highlights the extensive distribution of poorly exposed Archaean \nkomatiites and associated rocks (green) that have a strike extent of at least \n300 km. The regional pattern of linear komatiitic sequences associated with \novoid granitic plutons and province-wide shear systems, is very similar to the \neconomically important Eastern Goldfields Province in the Yilgarn Craton, \nWestern Australia.

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The Harris Greenstone Belt in the central Gawler Craton of South Australia \nhas potential for Archaean Ni-Cu-PGE sulphide and Archaean-Proterozoic \nlode-Au mineralising systems. This map is a preliminary interpretation of the \nPrecambrian basement geology based on aeromagnetics, gravity, and diamond \ndrilling. It highlights the extensive distribution of poorly exposed Archaean \nkomatiites and associated rocks (green) that have a strike extent of at least \n300 km. The regional pattern of linear komatiitic sequences associated with \novoid granitic plutons and province-wide shear systems, is very similar to the \neconomically important Eastern Goldfields Province in the Yilgarn Craton, \nWestern Australia.

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Available abstract

The Harris Greenstone Belt in the central Gawler Craton of South Australia \nhas potential for Archaean Ni-Cu-PGE sulphide and Archaean-Proterozoic \nlode-Au mineralising systems. This map is a preliminary interpretation of the \nPrecambrian basement geology based on aeromagnetics, gravity, and diamond \ndrilling. It highlights the extensive distribution of poorly exposed Archaean \nkomatiites and associated rocks (green) that have a strike extent of at least \n300 km. The regional pattern of linear komatiitic sequences associated with \novoid granitic plutons and province-wide shear systems, is very similar to the \neconomically important Eastern Goldfields Province in the Yilgarn Craton, \nWestern Australia.

Key concepts: Archean, Geology, Craton, Precambrian, Lode, Greenstone belt, Proterozoic, Yilgarn Craton

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Geophysical interpretation of the Harris Greenstone Belt, Gawler Craton, South Australia (Map - Preliminary Edition) — Research Paper | ScholarLens