Big River Gold Limited, formerly Crusader Resources Limited, is an Australia-based specialized minerals exploration company focused on Borborema Gold Project in Brazil. The Company’s projects include Borborema Gold, Manga Lithium and Portugal. The Company's Borborema Gold Project is located in the Serido area of the Borborema province in northeastern Brazil. The Manga Lithium project is located in the north east of Goias state, Central Brazil. The Company’s Portugal projects include Gaia lithium project, located in the Goncalo-Guarda region, 220kilometers (km) from the city of Porto, north Portugal, and 290km from the capital Lisbon. The Gaia deposit is a lithium pegmatite and the exploration license consists of two nearby exploration blocks with a total area of 88.842 square kilometers, which is surround by multiple lithium operating mines. Deposits targeted at Gaia consists of lithium-bearing horizontal pegmatite sills enclosed in the regional granite wallrock.