Tertiary Minerals plc is a mineral exploration and development company. The Company's principal activities are the identification, acquisition, exploration and development of mineral deposits including battery and precious metals in Nevada, Zambia and northern Europe. The Company’s projects include Nevada project, Zambia project and Fluorspar project. Its Nevada projects include Brunton Pass Copper Project, Paymaster Base & Precious Metals, Mt Tobin Silver-Gold and Lucky Copper. Its Zambia projects include Jacks Copper and Other projects. Its Fluorspar projects include Storuman Sweden. The Company’s Paymaster zinc-silver prospect is located approximately 30 kilometers (km) southwest of Tonopah in Nevada and the mining claims cover an area of over 390 acres. Its Mt Tobin Silver-Gold project comprises four staked claims located approximately 73 km south of Winnemucca in north central Nevada. Its Mukai Copper project has exploration license 27066-HQ-LEL covers 55.4 square km.