Mandalay Resources Corporation, a natural resource company, engages in the acquisition, exploration, extraction, processing, and reclamation of mineral properties. It explores for gold, silver, and antimony deposits. The company holds 100% interests in the Costerfield gold-antimony mine located in Central Victoria, Australia; and the Björkdal gold mine that comprises 10 mining concessions and 16 exploration permits located in Västerbotten County in northern Sweden. It also holds interests in the Cerro Bayo mine; the Challacollo project; and the La Quebrada property located in Chile. The company was incorporated in 1997 and is headquartered in Toronto, Canada.