Sandfire Resources Limited (SFR) is involved in production and sale of copper concentrate, containing gold and silver by-products from the Group's 100% owned DeGrussa Operations in Western Australia; Evaluation and development of the Motheo Copper Mine and Motheo Expansion Project in Botswana, and Sandfire Resources America Inc.'s high-grade Black Butte Copper Project in Montana, United States; and Exploration, evaluation and development of mineral tenements and projects in Australia and overseas, including investment in early stage mineral exploration companies.