Sandfire Resources NL is engaged in the production and sale of copper and gold from the Company�s DeGrussa Copper Mine in Western Australia; completion of development and construction of the DeGrussa Copper Mine, and exploration and evaluation of mineral tenements in Australia and globally. The Doolgunna Project is located 900 kilometer north of Perth and approximately 150 kilometer north of the regional mining centre of Meekatharra in Western Australia. The Altia project is located 70 kilometers south-east of Cloncury in north-west Queensland. In April 2014, Sandfire Resources NL acquired a 38.38% interest in WCB Resources Ltd. In April 2014, WhiteStar Resources Ltd announced that Sandfire Resources NL ceased to be a substantial share holder of the Company. Effective September 15, 2014, Sandfire Resources NL of Australia acquired a 36% interest in Tintina Resources Inc, a Vancouver-based gold and base metal mining company.