Oruro
Producer

Maria Luisa Mine

Oruro, Bolivia
SilverLeadZincGoldCopperCadmium
⌖ Show on mapUSGS source ↗
Description

Spanish Colonists

Commodities
PrimarySilver
SecondaryLead, Zinc
TertiaryGold, Copper, Cadmium
Commodity typeM
Deposit
Model77: Sn-polymetallic vein
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR
Ore controlNw Fractures
Materials
Ore mineralsArgentite, Cerargyrite, Cerussite, Chalcopyrite, Covellite, Freibergite, Galena, Sphalerite, Stephanite
GangueChlorite, Hematite, Jarosite, Kaolinite, Limonite, Pyrite, Quartz, Sericite, Specularite
Geology
Host rockVolcanic Breccia (Agglomerate)
AlterationSilicification And Argillization Extending Up To 30 M From Veins. Weak Silicification Of Country Rock. Chalcedony-Pyrite Alteration Found In One Drill Hole.
Economic & production
Development statusProducer
Identification
Deposit ID10107579
MRDS IDBL10051
Alternate namesVein: Santo Domingo
RegionSA
Data scoreA
Coordinates-19.70593, -67.71366
References
ENTWISTLE, L.P., 1948, MARIA LUISA UNIT, GEOLOGY AND EXPLORATION: CIA. ASARCO BOLIVIA LTDA. INTERNAL REPORT, 6P.GAMBOA, C., 1982, RESERVAS ACTUALIZADAS DE LA MINA MARIA LUISA: COMIBOL, INTERNAL REPORT, 4P.PAZ, F., 1971, VERIFICACION DE RESERVAS Y POSIBILIDADES DE LA MINA MARIA LUISA: COMIBOL, INTERNAL REPORT, 11P.SCHULTZE, H., 1968, ESTUDIO DE FACTIBILIDADES, MINA MARIA LUISA: COMIBOL, INTERNAL REPORT, 11P.MEDINA C., A., JIMENEZ CH., N., AND IBANEZ 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.AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DEPARTAMENTO NACIONAL DE GEOLOGIA BOLETIN 5, 388P.SANJINES V., ORLANDO, 1968, ESTUDIO GEOLOGICO DE LA REGION DE TAGUA: UNPUBLISHED TESIS DE GRADO, UNIVERSIDAD MAYOR DE SAN ANDRES, FACULTAD DE CIENCIAS GEOLOGICAS, 102P., MAP 1:50,000COMIBOL, INFORME SOBRE GRUPO MINERO MARIA LUISA, DE LA CORPORACION MINERA DE BOLIVIA, PROVINCIA LADISLAO CABRERA, DEPARTAMENTO DE ORURO, 4P.DETAILLED EXPLORATION BY ASARCO 1917-1949 (ENTWISTLE, 1948)SPORADIC EXPLORATION BY COMIBOL AFTER 1952 (SCHULTZE, 1968; PAZ, 1971, GAMBOA, 1982)THESIS BY SANJINES (1968)GEOLOGICAL STUDY BY UNDP 1988 (MEDINA ET. AL., 1988)EXAMINED BY USGS/GEOBOL PERSONNEL 1990CIMRI