Mandalay Resources Corporation is a gold, silver and antimony producer engaged in mining and related activities, including acquisition, exploration, extraction, processing and reclamation. The Company's segments include Australia, Chile, Sweden and Canada. The Company's producing assets are its Costerfield gold-antimony mine in Victoria, Australia; its Cerro Bayo silver-gold mine in Patagonia, Chile; and its Bjorkdal gold mine in northern Sweden. The Company focuses on Challacollo silver-gold project near Iquique, Chile. The Company conducts exploration on near-mine and district targets at its operating and feasibility stage projects. Its Costerfield is an underground gold-antimony mine located in the state of Victoria, Australia. Cerro Bayo is an underground silver-gold mine located in the Aysen Province of southern Chile. Bjorkdal is an underground and open pit gold mine located in northern Sweden. Challacollo is a silver-gold deposit located in Region I, Northern Chile.