Calidus Resources Limited engages in the exploration and exploitation of gold minerals in Australia. It holds interests in the Warrawoona gold project covering an area of approximately 662 square kilometers located in the East Pilbara district of the Pilbara Goldfield in Western Australia; and the Blue Spec project situated in the Pilbara Goldfield in Western Australia. The company also holds interest in Spear Hill project located in Pilbara, Western Australia. Calidus Resources Limited was incorporated in 1986 and is headquartered in West Perth, Australia.