Talc has been mined at Mount Fitton in the northern Flinders Ranges on a continuous basis since 1945, for industrial use in the manufacture of cosmetics, ceramics and refractory ware. From 1979 to 1996, under authority of a series of Exploration Licences and Mineral Claims, more than 80 separate talc bodies were located in the field and investigated with varying degrees of thoroughness. Exploration included regional and detailed geological mapping and structural interpretation, followed by drilling at most of the bodies. Drilling was done mainly by Airtrack percussion and fully cored diamond holes, with much of the work reported being directed towards talc ore reserve definition at producing quarries and bodies which were subsequently mined. By 1996 it was concluded that there was little potential for the discovery of any new economic deposits. All known occurrences were ranked according to size, grade and location, and those considered economic were secured under Mineral Claim. The licence was then surrendered. The Mount Fitton Talc Province, located 800 km north of Adelaide and 130 km east of Lyndhurst, contains in excess of 80 stratigraphically and structurally controlled talc deposits within dolomite of the Neoproterozoic Balcanoona Formation, which have been subject to extensive investigation since 1973. A refined talc genesis model and a detailed knowledge of ore characteristics were gradually developed by the licensees from their mapping, petrology, laboratory testing, percussion drilling (630 holes, total 19000 m) and diamond drilling (156 holes, total 9600 m). All viable deposits are presently held under mineral extraction leases, and it is now concluded that there is little potential for the discovery of other economic talc orebodies.