The principal disseminated flake graphite deposits, located on central and southern Eyre Peninsula, occur in schists and gneisses within Cleve Metamorphics of the Lincoln and Cleve uplands (Johns,1961). These beds form a distinct stratigraphic unit, closely associated with jaspilites near the base of the Hutchison Group. They are traceable discontinuously, because of poor outcrop conditions, from the coast, to Uley, Koppio and over a wide area between Darke Peak and Cowell. Graphite of the Lincoln Uplands occurs in finely disseminated folia or aggregations of coarse flake with quartz, felspar, biotite and haematite; magnesite is often intimately associated. At the surface of the various deposits graphite, being physically and chemically stable is discernible in the commonly developed lateritic, ferruginous, magnesitic or clayey cappings. Most outcrops have been superficially prospected with shallow pits and trenches but mining has been confined to ground carrying 8% or more of flake graphite at the Uley and Koppie prospects. In the Cleve Uplands the known graphite deposits are very fine grained and are of too low grade to be economic.