Mine detail: Escala Mine

Previously called 'Crosca'

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Location

Lat / long:

-21.58533, -66.86529

Resource(M)

Primary:	Silver, Lead, Zinc
Tertiary:	Copper
Ore:	Anglesite, Calamine, Chalcocite, Chalcopyrite, Galena, Jamesonite, Malachite, Semseyite, Sphalerite, Tetrahedrite
Gangue:	Chalcedony, Kaolinite, Marcasite, Pyrite, Pyrrhotite, Quartz, Sericite, Siderite

Production

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

Geology

Host type:	Rhyolite
Associated type:	Rhyolite
Alteration processes:	Extensive Silicification, Sericitization And Kaolinization.

References

MRDS	BL10098
DEP	10086927
Reference	{Deposit:: SERVICIO GEOLOGICO DE BOLIVIA, 1971, MINA ESCALA: PROYECTO LIPEZ-COMIBOL-70 INFORME GE-09, 32P., MAP 1:1,000.}{Deposit:: SUGAKI ET AL, 1986, GEOLOGICAL STUDY ON THE ORE DEPOSITS IN THE SUR LIPEZ DISTRICT, BOLIVIA: SCIENCE REPORTS OF THE TOHOKU UNIVERSITY, SRS. 3, V. 16, N. 3, P. 327-352.}{Deposit:: UNITED NATIONS DEVELOPMENT PROGRAM, 1989, PROYECTO DE METALES PRECIOSOS, PROVINCIA SUD LIPEZ, DEPARTAMENTO DE POTOSI, BOLIVIA, 23P.}{Deposit:: GEOLOGICAL INVESTIGATIONS BY JICA/MMAJ (SUGAKI ET AL, 1986)}{Deposit:: GEOLOGICAL INVESTIGATIONS BY UNDP (1989)}{Deposit:: VISITED OCT. 5, 1990 BY USGS/GEOBOL}{Deposit:: GEOLOGICAL, GEOCHEMICAL AND GEOPHYSICAL INVESTIGATIONS BY GEOBOL (1971)}{Other Database:: CIMRI}
Reporter	Long, Keith R.; Camacho, E., Richter, Don (Usgs)