Description
Spanish Colonists
Commodities
PrimarySilver, Gold, Copper
SecondaryLead
TertiaryZinc, Arsenic, Bismuth, Antimony, Tin
Commodity typeM
Deposit
Model154: Epithermal quartz-alunite Au
Deposit sizeY
Ore controlIntersecting N15e And N75e Fractures
Materials
Ore mineralsBismuthinite, Bornite, Bournonite, Calaverite, Chalcopyrite, Electrum, Enargite, Famatinite, Galena, Miargyrite, Polybasite, Rickardite, Sphalerite, Stannite, Stephanite, Tetrahedrite
GangueBarite, Pyrite, Quartz, Sericite, Siderite
Geology
Host rockVolcanic Rock (Aphanitic),Rhyolite,Dacite,Andesite
Associated rockVolcanic Rock (Aphanitic),Rhyolite,Dacite,Andesite · Laurani Volcanic Massif
StructureN50w Fault Between Folded Silurian Quartzite And Cretaceous Mudstone, Fractured And Eroded Stratovolcano
AlterationIntense Propylitization, Silicification, Clays
Economic & production
Development statusProducer
First production1775
Discovery year1750
Identification
Deposit ID10110044
MRDS IDTC00502
Alternate namesSan Carlos, San Geronimo, Santo Domingo, Veins: Carnavalito, Nueva, Paralela, San Antonio, Negra, Toro
RegionSA
Data scoreA
Coordinates-17.3785, -67.7745
References
AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DPTO. NACIONAL DE GEOLOGIA BOL. 5, P. 268-271.REDWOOD, S.D., AND MACINTYRE, R, M,, 1989, K-AR DATING OF MIOCENE MAGMATISM AND RELATED EPITHERMAL MINERALIZATION OF THE NORTHEASTERN ALTIPLANO OF BOLIVIA: ECON. GEOL., V. 84, P. 618-630.MINING MAGAZINE, MARCH 1989, P. 174.SCHNEIDER-SCHERBINA, A., 1961, EL YACIMIENTO ARGENTIFERO DE COBRE DE LAURANI, SICA-SICA, BOLIVIA: GERMAN GEOLOGICAL MISSION TO BOLIVIA REPORT 15, 54P.GEOLOGICAL INVESTIGATIONS BY GERMAN GEOLOGICAL MISSION TO BOLIVIA (SCHNEIDER-SCHERBINA, 1961)VISITED NOV. 1990 BY USGS (LUDINGTON AND DU BRAY)CIMRIINVENTARACION DE RECURSOS MINERALES DE LA MINERIA CHICA