Cozamin

Underground polymetallic copper-silver mine. Located 3.6 km north-northwest of Zacatecas city, accessed via all-weather paved roads with grid power. Property covers 4,260 ha across 94 concessions. Intermediate sulphidation epithermal vein system hosted in the Mala Noche Vein and footwall splays. Acquired by Capstone in 2004 with operations commencing in 2006. Processing facility includes conventional crushing, grinding, and flotation circuits with a 4,400 tpd capacity, supported by a recently commissioned tailings filtration and paste backfill plant. Transitioned to a filtered dry stack tailings storage facility in 2023.