Highly sulfurous epithermal veins associated with dacitic volcanics hosted in Miocene shales of the Negro Peinado and Mogotes Formations. Includes the La Mejicana mine, Upulungus mine, and diverse other prospects and adits. Most important veins are the San Pedro and the Upulungus.
Mineral List:31 entries listed. 29 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
