Orpheus Uranium Limited, through its subsidiaries, engages in the exploration and development of mineral properties. The company explores for uranium, copper, gold, nickel, lithium, and zinc deposits. It holds interests in the Frome project located in the Frome Embayment of South Australia; the Mundaerno/Woolshed project situated in the Frome Embayment and the overlying Callabonna sub-basin of South Australia; and the Radium Hill South project located in the historic Radium Hill Uranium Field in South Australia. The company also holds interests in the Marree project located in Murray Basin, South Australia; and the Mount Douglas project located in Pine Creek, Northern Territory. In addition, it holds interests in the Woolner, Ranger Northeast, and T-Bone tenements located in Pine Creek Oregon, Northern Territory; the Murdie, Torrens, Higginsville, and Kroombit assets situated in South Australia, Western Australia Queenslandy; and the Aroona project located in South Australia. The company was formerly known as Argonaut Resources NL and changed its name to Orpheus Uranium Limited in February 2024. Orpheus Uranium Limited was incorporated in 1985 and is based in Unley, Australia.