Argosy Minerals Limited engages in the acquisition and development of lithium exploration projects in Australia and the United States. It primarily holds a 77.5% interest in the Rincon lithium project that covers an area of approximately 2,794 hectares of mining concessions located within the Salar del Rincon in Salta Province, Argentina; and 100% interest in the Tonopah lithium project comprises 425 claims covering an area of approximately 34.25 square kilometers located in the Big Smokey Valley region in Nevada, the United States. The company was incorporated in 2010 and is headquartered in Perth, Australia.