https://www.usgs.gov/publications/geology-mineralogy-and-paragenesis-castrovirreyna-lead-zinc-silver-deposits-peru
The Castrovirreyna mining district lies in the Andean Cordillera of South Central Peru, and has been worked sporadically since its discovery in 1591. Supergene...
geologymineralogyparagenesiscastrovirreynalead