Description
Spanish Colonists
Commodities
PrimarySilver
TertiaryLead, Zinc, Copper, Manganese
Commodity typeM
Deposit
Model77: Sn-polymetallic vein
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR
Ore controlFractures
Materials
Ore mineralsChalcopyrite, Galena, Polybasite, Pyrargyrite, Sphalerite, Tetrahedrite
GangueChalcedony, Pyrite, Quartz, Rhodonite
Geology
Host rockTuff,Andesite
Associated rockTuff,Andesite
StructureN-S Syncline With Axis 1 Km W Of Town Of Negrillos, N80e 65n Fault Zones
AlterationArgillic, Propylitic. Ore Is Oxidized From 8 To 15 M Depth.
Economic & production
Development statusPast Producer
First production1600
Discovery year1600
Identification
Deposit ID10005848
MRDS IDBL10009
Alternate namesLa Plata
RegionSA
Data scoreB
Coordinates-18.83819, -68.62785
References
AVILA SALINAS BALDIVIESO, WALDO ARTURO, 1965, GEOLOGIA DEL DISTRITO MINERO DE CARANGAS Y SUS ALREDADORES: UNPUBLISHED TESIS DEL GRADO, UNIVERSIDAD MAYOR DE SAN ANDRES, FACULTAD DE CIENCIAS GEOLOGICAS, 150P., MAP 1:50,000.GUERRA, M., URIBE, H., AND OTAZO, N., 1965, INFORME SOBRE ORIENTACION TECNICA MINA DE PLATA EMPRESA MINERA LA PLATA: SERVICIO GEOLOGICO DE BOLIVIA INFORME GB-M-463, 13P., MAPS 1:2,000, 1:500.GEOLOGICAL INVESTIGATIONS BY GUERRA ET AL (1965)THESIS BY AVILA-SALINAS (1965)VISITED BY USGS/GEOBOL GEOLOGISTS SEPT 1990CIMRI