Mine detail: Ubina District

Previously called ''

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Location

Lat / long:

-20.47678, -66.35916

Resource(M)

Primary:	Silver, Lead, Tungsten, Tin
Secondary:	Bismuth, Zinc
Tertiary:	Copper, Gold, Antimony

Production

Operation type:	Unknown
Deposit type:	VEIN, STOCKWORK, DISSEMINATED, STRATABOUND
Production size:	Medium
Development status:	Past Producer

Geology

Structure:	N-S ANTICLINES IN CRETACEOUS SEDIMENTS
Alteration processes:	QUARTZ DIORITE STOCK IS PROPYLITIZED; CONTACT METAMORPHISM (CHLORITE HORNFELS), TOURMALINIZATION, DECALCIFICATION AND SILICIFICATION OF CALCAREOUS SANDSTONE IN MANTOS, BLEACHED ZONES UP TO 5 M WIDE AROUND VEINS.

References

MRDS	BL20308
DEP	60000171
Reference	{Deposit:: PINTO V., J., 1988, MODEL CONCEPTUAL Y EVALUACION DEL POTENCIAL MINERAL DE LOS YACIMIENTOS DE METALES PRECIOSOS DE LA REGION DE UBINA, POTOSI, BOLIVIA: UNITED NATIONS DEVELOPMENT PROGRAM, PROJECT BOL/87/12, 22 P.}{Deposit:: AHIFELD F., AND SCHNEIDER-SCHERBINA, 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DEPARTAMENTO NACIONAL DE GEOLOGIA BOLETIN 5, P. 207.}{Deposit:: CORDOVA, H., 1953, INFORME SOBRE LA MINA UBINA: CORPORACION MINERA DE BOLIVIA, INTERNAL REPORT.}{Deposit:: DE LA RIVA, C., 1973, INFORME DEL ESTUDIO DE PROSPECCION DE LA CONCESION PLUMBO-ARGENTIFERA UBINA: CORPORACION MINERA DE BOLIVIA, INTERNAL REPORT.}{Deposit:: GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA}