First Lithium Minerals Corp. operates as a mineral exploration and development company in Chile, Ontario, and Quebec. It focuses on exploring for lithium and alkali metals at its 100% owned OCA lithium project comprising approximately 9,000 ha of mineral exploration concessions located in the salars of Ollague, Carcote, and Ascotan in the Antofagasta Region of northern Chile. The company was founded in 2017 and is headquartered in Toronto, Canada.