Interest was centred on the Whyalla Sandstone - Pandurra Formation stratigraphic contact (the locus of the Gunyah Lake mineral occurrence), and on a quartzite unit developed adjacent to the Woocalla Dolomite Member (the locus of the House and Main...

A mapping programme was undertaken by the licensees to test the possibility of the near-mine area to Mount Gunson being a suitable host environment for stratiform copper mineralisation. The exploration hypothesis used was that such mineralisation...