Arena Minerals Inc., a copper exploration company, engages in the acquisition, exploration, and development of mineral properties in South America. Its flagship asset is the Atacama copper property covering an area of approximately 7,061 hectares located within the Antofagasta region ll of Chile. The company also owns Antofalla lithium brine projects, which cover an area of 4000 hectares located in Salar de Antofalla, Argentina. The company was formerly known as Antofagasta Gold Inc. and changed its name to Arena Minerals Inc. in December 2013. Arena Minerals Inc. was incorporated in 1995 and is headquartered in Toronto, Canada.