Description
Native Americans Spanish Colonists
Commodities
PrimarySilver, Tin
SecondaryLead, Antimony
TertiaryCopper, Zinc, Gold, Arsenic
Commodity typeM
Deposit
Model77: Sn-polymetallic vein
Deposit sizeU
WorkingsUnderground
Orebody formOVOID IRREGULAR STOCKWORK
Ore controlNe-Sw Fracture-Fissure Systems, Dipping 30-60 Deg Ne And Sw, In Four Clusters (San Jose, Itos, Colorado, And Tetilla).
Materials
Ore mineralsCassiterite, Chalcopyrite, Enargite, Galena, Jamesonite, Sphalerite, Stannite, Stibnite, Tetrahedrite
GangueAlunite, Dickite, Pyrite, Quartz, Sericite, Tourmaline
Geology
Host rockQuartz Monzonite,Rhyolite
Associated rockQuartz Monzonite,Rhyolite
StructureReg.Struct: Nw-Se, Breccias Form Volcanic Conduits
Tectonic settingWest Flank Of Cordillera Real
AlterationThe San Jose And Itos Stocks, And The Breccias, Are Pervasively Sericitized.
Economic & production
Development statusProducer
First production1607
Discovery year1595
Identification
Deposit ID10068796
MRDS IDW002048
Alternate namesTetilla, Mines: Colorada, Itos
RegionSA
Data scoreA
Coordinates-17.95098, -67.13281
References
CHACE, F. M., 1948, TIN-SILVER VEINS OF ORURO, BOLIVIA: ECON. GEOL., V. 43, PP. 333-383 AND 435-470CAMPBELL, D. F., 1942, THE ORURO SILVER-TIN DISTRICT: ECON. GEOL., V. 37, PP. 87-115AHLFELD, F. AND SCHEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS; DEPTO. NAC. GEOL., BOL. 5 (ESPECIAL) 383 P.KOZLOWSKI, R., AND JASKOLSKI, S., 1932, LES FILONS ARGENTO-STANNIFERES D'ORURO EN BOLIVIE: BULL. SOC. FRANCE MIN., V. 44, PP. 128-151.SILLITOE, R.H., HALLS, S., AND GRANT, J.N., 1975, PORPHYRY TIN DEPOSITS IN BOLIVIA. ECONOMIC GEOLOGY, V. 70, P.913--927.STAM,C.J., 1965, REPORT ON GEOPHYSICAL AND GEOCHEMICAL SURVEYS IN THE SAN JOSE-ITOS AREA. INFORME # 1965, COMIBOL.MCALLISTER, J.F., 1944, TIN RESOURCES OF THE ORURO DISTRICT, BOLIVIA: LA PAZ, U.S. GEOLOGICAL SURVEY, UNPUBLISHED REPORT, 87P.CHACE, F.M., 1948, TIN-SILVER VEINS OF ORURO, BOLIVIA: ECONOMIC GEOLOGY, V. 43, P. 333-383 AND 435-470.STUDY OF TIN RESERVES BY MCALLISTER (1944CIMRIMINISTRY OF MINES AND METALLURGY, 1971