Mine detail: San Francisco Mine

Previously called ''

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Location

Lat / long:

-21.44256, -67.47781

Resource(M)

Primary:	Silver
Secondary:	Copper
Ore:	Chrysocolla, Malachite
Gangue:	Hematite, Limonite

Production

Operation type:	Unknown
Production size:	Small
Development status:	Occurrence

Geology

Host rock:	Quehua Superior
Host type:	Tuff
Associated rock:	Quehua Superior
Associated type:	Tuff
Structure:	Biotite Dacite Dike Just South Of Workings
Alteration processes:	Pyrite-Chlorite-Hematite In Tuff; Kaolinization

References

MRDS	BL10086
DEP	10086923
Reference	{Deposit:: SERVICIO GEOLOGICO DE BOLIVIA, 1971, MINA SAN FRANCISCO: PROYECTO LIPEZ-COMIBOL-70 INFORME GE-39, 13P., MAP 1:500}{Deposit:: GEOLOGICAL INVESTIGATIONS BY GEOBOL (1971)}{Deposit:: VISITED SEPT. 30, 1990 BY USGS (RICHTER/BROOKS) AND GEOBOL (ESCOBAR/HINOJOSA)}{Deposit:: GEOLOGICAL INVESTIGATIONS BY SCHULTZE (1967; REFERENCED IN GEOBOL, 1971)}{Other Database:: CIMRI}
Reporter	Long, Keith R., Richter, Don (Usgs)