The Wynbring area, a large part of the western Fowler Domain, covers approximately 2,000 square kilometres and consists of fractures that may include intrusion of mafic-ultramafic bodies with potential for nickel sulfides, chromite and platinoids. Exploration and regional drilling near the northern end of the Fowler Domain and within the Harris Greenstone Belt has identified numerous large mafic and ultramafic bodies which have the potential to host nickel sulfide mineralisation. Ultramafic intrusive rock hosting nickel bearing sulfides (pentlandite and mackinawite) have returned values up to 0.49% nickel, 38 parts per billion (ppb) platinum and 58 ppb palladium. Previous explorations reported up to 0.74% nickel from samples obtained in shallow bedrock drilling. The Thompson Belt in Canada has similar features and is considered by Primary Industries and Regions SA (PIRSA) as a possible analogue of the Fowler Domain. The Thompson Nickel Belt hosts major nickel deposits which have been mined by Inco since the early 1960s. Previous explorations in the Wynbring area consisted of wide-spaced reconnaissance bedrock drilling by PIRSA that indicated the presence of a 30 kilometre-long zone of intermediate to ultramafic rocks adjacent to a major fault and geochemically anomalous in gold, nickel, chromium, platinum and palladium.