This release details exploration conducted between 1978 and 1988 for uranium, base and precious metals in the Early Proterozoic rocks of the Willyama Complex, north of Olary. Initial work on searching for uranium included airborne helicopter radiometric surveys, ground radiometrics and rock chip geochemistry. Subsequent base and precious metal exploration comprised mapping and sampling of outcropping gossans and ironstones, analyses for rock chip, soil and BLEG geochemistry, the conduct of ground magnetic, PEM, Sirotem, UTEM and IP surveys, a statistical analysis of geochemical data, and rock sample petrographic studies. Resultant prospect drilling included RAB (2134 holes, total 22,214 m), percussion (135 holes, total 10,602 m) and diamond (21 holes, total 6044 m). Various intensely folded, foliated, altered and leached high grade metasedimentary and metavolcanic rock units having close spatial associations with the very base metal anomalous Bimba Formation were investigated, probing beneath supergene enrichment anomalies detected in their deep weathering layers to try to find possible economic sulphide ore accumulations of likely syngenetic origin preserved in fresh bedrock. Encouraging base metal values were obtained from a number of drillholes. Analogies with a similar mineralised metamorphic and volcanic-associated rock succession in Scandinavia were recognised by Aberfoyle, and accordingly the economic significance of regional breccia occurrences, of altered carbonate-bearing and calc-silicate sequences, and of certain characteristic pathfinder and indicator element associations with known mineral occurrences were assessed, but no firm conclusions were drawn about their applicability to the Olary Domain exploration effort.