Mandalay Resources Corporation, together with its subsidiaries, engages in the acquisition, exploration, extraction, processing, and reclamation of mineral properties in Canada, Australia, Sweden, and Chile. It explores for gold, silver, and antimony deposits, as well as other base metal. The company primarily holds 100% interests in the Costerfield gold-antimony mine covering an area of 1,219 hectares located in Victoria, Australia; and the Björkdal gold mine covering an area of 12,949 located in Skelleftea, Sweden. Mandalay Resources Corporation was incorporated in 1997 and is headquartered in Toronto, Canada.