Tertiary Minerals plc, together with its subsidiaries, engages in the identification, acquisition, exploration, and development of mineral deposits. The company engages in the development of a multi-commodity project portfolio, including battery, and precious metals. It owns interests in the Storuman fluorspar project located in north central Sweden; the Jack's Copper project located in the south of Luanshya, Central Province of Zambia; the Mukai Copper project located in the west of Solwezi, Zambia; the Mushima North project located in the east of Manyinga; the Lubuila Copper project located in the west of Luanshya, Central African Copperbelt; and the Konkola West Copper project located in the northwest of Chingola. The company also holds interests in the Pyramid gold project located in the northwest of Reno, Nevada; the Brunton Pass Copper Project consisting of 24 claims located in east side of the Paradise Range, Nevada; and the Kaaresselkä and Kiekerömaa gold projects located in Finland. Tertiary Minerals plc was incorporated in 1999 and is headquartered in Macclesfield, the United Kingdom.