Sandfire Resources will spend $3 million to earn a majority stake in Thundelarra's Red Bore project, which lies adjacent to the copper miner's DeGrussa operation in the Bryah Basin.
Copper, gold and nickel explorer Thundelarra has launched legal action against a tenement holder in the Mid West who it claims has refused to comply with the terms of an earn-in arrangement.
OZ Minerals' $100 million plunge on shares in Western Australian copper explorer Sandfire Resources has refocused attention on what is shaping as Australia's next great copper province.