Potosi
Occurrence

San Francisco Mine

Potosi, Bolivia
SilverCopper
⌖ Show on mapUSGS source ↗
Description

Spanish Colonists

Commodities
PrimarySilver
SecondaryCopper
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface
Ore controlFractures
Materials
Ore mineralsChrysocolla, Malachite
GangueHematite, Limonite
Geology
Host rockTuff · Quehua Superior
Associated rockTuff · Quehua Superior
StructureBiotite Dacite Dike Just South Of Workings
AlterationPyrite-Chlorite-Hematite In Tuff; Kaolinization
Economic & production
Development statusOccurrence
Identification
Deposit ID10086923
MRDS IDBL10086
RegionSA
Data scoreB
Coordinates-21.44256, -67.47781
References
SERVICIO GEOLOGICO DE BOLIVIA, 1971, MINA SAN FRANCISCO: PROYECTO LIPEZ-COMIBOL-70 INFORME GE-39, 13P., MAP 1:500GEOLOGICAL INVESTIGATIONS BY GEOBOL (1971)VISITED SEPT. 30, 1990 BY USGS (RICHTER/BROOKS) AND GEOBOL (ESCOBAR/HINOJOSA)GEOLOGICAL INVESTIGATIONS BY SCHULTZE (1967; REFERENCED IN GEOBOL, 1971)CIMRI