Mine detail: Toldos Mine

Previously called ''

<< Back to the map

Location

Lat / long: -21.10979, -67.20225

Resource(M)

Primary: Silver, Lead
Tertiary: Zinc, Arsenic, Antimony, Copper
Ore: Galena, Polybasite, Pyrargyrite, Silver, Sphalerite, Stromeyerite, Tetrahedrite
Gangue: Barite, Calcite, Hematite, Magnetite, Pyrite, Quartz, Siderite
Orebody form: IRREGULAR BRANCHING TABULAR VEINS
Other material: Chalcopyrite

Production

Operation type: Unknown
Production size: Yes
Development status: Producer
First production started: 1870

Geology

Host type:Rhyodacite
Associated type:Rhyodacite
Structure:Sedimentary Rocks Folded Into Anticline, Trending N 10 W
Alteration processes:Rhyodacite Porphyry Is Sericitized

References

MRDSW031641
DEP10080448
Reference{Deposit:: AHLFELD, F. AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DEPARTAMENTO NACIONAL DE BOLIVIA, NO. 5.}{Deposit:: GAMARRA IBARGUEN, REYNALDO, 1967, ESTUDIO GEOLOGICO REGIONAL Y ESPECIALIZADO DE LA REGION DE SAN CRISTOBAL, MINAS TOLDOS Y SANTA BARBARA DE JAYULA: UNPUBLISHEDTESIS DE GRADO, UNIVERSIDAD MAYOR DE SAN ANDRES}{Deposit:: TORRICO, H., 1966, ESTUDIO GEOLOGICO DE LA REGION DE SAN CRISTOBAL: UNPUBLISHED TESIS DE GRADO, UNIVERSIDAD MAYOR DE SAN ANDRES, FACULTAD DE CIENCIAS GEOLOGICAS}{Deposit:: DELGADILLO, E., 1967, INFORME SOBRE PROSPECCION GEOFISICA MINA DE PLOMO Y P[LATA TOLDOS: SERVICIO GEOLOGICO DE BOLIVIA INFORME GB-M-541, 8P., MAPS 1:2,000; 1:1,000; 1:500.}{Deposit:: JACOBSON, H.S., AND MURILLO, C., 1969, GEOLOGY AND MINERAL DEPOSITS OF THE SAN CRISTOBAL DISTRICT, VILLA MARTIN PROVINCE, POTOSI, BOLIVIA: U.S. GEOLOGICAL SURVEY BULLETIN 1273, 22P., MAPS.}{Deposit:: AHLFELD, F., 1944, LA GEOLOGIA DEL MINERAL DE SAN CRISTOBAL DE LIPEZ (BOLIVIA): MINERIA BOLIVIANA, V. 1, N. 8, P. 9-15.}{Deposit:: AVILA-SALINAS, W., PLOSKONKA, E., AND ARDUZ T., M., 1975, ESTUDIO PETROGRAFICO DE LA MINA TOLDOS, DEPARTAMENTO DE POTOSI: SERVICIO GEOLOGICO DE BOLIVIA, INFORME, 27P.}{Deposit:: GEOLOGICAL, GEOCHEMICAL AND GEOPHYSICAL INVESTIGATIONS BY JACOBSON ET AL (1969)}{Deposit:: GEOPHYSICAL INVESTIGATIONS BY GEOBOL (DELGADILLO, 1967)}{Deposit:: VISITED BY USGS/GEOBOL PERSONNEL MAY 1990}{Deposit:: THESIS BY TORRICO (1966)}{Production:: STATE DEPARTMENT MINERALS REPORT BOLIVIA 1988, P. 42}{Reserve-Resource:: CORNELIO BARRIOS H., MINE GEOLOGIST, PERS. COMM.}
ReporterUrquidi-Barrau, Fernando, Long, Keith R. And Ludington, S. And Richter, D.