Mine detail: Margarita Mine

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Location:	Oruro, Bolivia, South America
Lat / long:	-19.73038, -67.67588
dep_id:	10086942
mrds_id:	BL10158
Commodity type:	metallic
Major mineral:	Silver
Minor mineral:	Lead, Gold
Trace mineral:	Zinc, Cadmium, Copper
Operation type:	Unknown
Production size:	Small ammount of material produced
Development status:	Past Producer
ore:	Chalcopyrite, Galena, Sphalerite
gangue:	Ankerite, Pyrite, Quartz
work_type:	Underground
model:	77: Sn-polymetallic vein
alteration:	Extensive Propylitic, Silicic Within Shears, Argillic Envelopes Around Shears Up To 2 M Wide.
ore_ctrl:	Fractures
Reporter:	Long, K.R., Gamble, Bruce (Usgs), Soria, Eduardo (Geobol)
hrock_type:	Volcanic Rock (Aphanitic),Tuff
arock_type:	Volcanic Rock (Aphanitic),Tuff
Structure:	Nw Trending Shear Zones
discr:	Spanish Colonists
References:	Deposit:: AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DEPARTAMENTO NACIONAL DE GEOLOGIA BOLETIN 5, P. 305-306. Deposit:: COMIBOL, INFORME SOBRE GRUPO MINER MARIA LUISA, 4P. Deposit:: SANJINES V., ORLANDO, 1968, ESTUDIO GEOLOGICO DE LA REGION DE TAGUA: UNPUBLISHED TESIS DE GRADO, UNIVERSIDAD MAYOR DE SAN ANDRES, 102P., MAP 1:50,000. Deposit:: MEDINA C., A., JIMENEZ CH., N., AND IBA%EZ V., V., 1988, CARACTERISTICAS GEOLOGICAS Y EVALUACION DEL POTENCIAL MINERAL DEL YACIMIENTO DE METALES PRECIOSOS MARIA LUISA, ORURO-BOLIVIA: PROGRAMA DE LAS NACIONES UNIDAS PARA EL DESAROLLO, PROYECTO BOL/87/012, INFORME NU-17, 32P. Deposit:: EXAMINED BY USGS/GEOBOL PERSONNEL SEPT 1990 Deposit:: THESIS BY SANJINES (1968) Deposit:: GEOLOGICAL INVESTIGATIONS BY UNDP (MEDINA ET AL, 1988) Other Database:: CIMRI