Sunstone Metals Limited is an exploration company primarily focused on identifying and assessing gold and copper mineral resources. The firm boasts a substantial 87.5% ownership in the Bramaderos project, an expansive 4,959-hectare site located within the Loja Province of southern Ecuador. Furthermore, it possesses a 70% interest in the 800-hectare El Palmar project, which is situated in northern Ecuador's Imbabura Province. Originally founded in 2006 as Avalon Minerals Limited, the company maintains its corporate headquarters in Milton, Australia.