Castle Minerals Limited, a gold exploration company, engages in the exploration of gold and other economic mineral deposits in West Africa and Australia. It holds interests in the Wa project that covers approximately 8,870 square kilometers in NW Ghana near the border with Burkina Faso and consists of 11 reconnaissance licenses and 6 prospecting licenses. The company also holds 80% interests in Coolyia and Beasley Creek projects located in the Pilbara region of Western Australia. Castle Minerals Limited was incorporated in 2005 and is based in West Perth, Australia.