Sandfire Resources NL engages in the exploration and evaluation of the mineral tenements in Australia and internationally. It operates through two segments, DeGrussa Copper Mine; and Exploration and Evaluation. The company explores for copper, gold, and silver, as well as volcanogenic massive sulphide deposits. Its flagship project is the DeGrussa copper-gold mine located in the Bryah Basin mineral province of Western Australia. Sandfire Resources NL is based in West Perth, Australia.