(Mina Alianza)
An old Ag mine, worked since 1860 and active around 1910 approx.
The mine was a good source of silver compounds in the Copiapó area.
Silver-bearing minerals were found in tuffs, breccias and porphyric rocks.
Ref.:
- García A.Z. (1917); "Breves apuntes sobre algunos centros mineros principales del Departamento de Copiapó", Edit. La Unión; Valparaíso; Chile.
Mineral List:8 entries listed. 6 valid minerals.
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