No convincing magnetic targets of possible kimberlitic origin, masked by thick Tertiary and Cretaceous cover, were revealed by a speculative aeromagnetic survey conducted 20 km east of William Creek township near the south-western shore of Lake Eyre.

An interest by Carnegie Minerals prompted an investigation of the north and western side of Lake Eyre to locate palaeodrainage of possible economic significance. NOAA-AVHRR satellite images were processed over the area, paying particular attention to...