Commodities
PrimaryTin
SecondarySilver, Lead
TertiaryZinc, Cadmium
Commodity typeM
Deposit
Model77: Sn-polymetallic vein
Deposit sizeY
WorkingsUnderground
Orebody formTABULAR, STOCK
Ore controlFissure Veins, Fault Breccias. Mineralization Mainly Within Plug.
Materials
Ore mineralsCassiterite, Galena, Sphalerite, Stannite
GangueMarcasite, Pyrite, Quartz
Geology
Host rockSandstone
Associated rockLatite
StructureSedimentary Rocks Folded Into Nw-Se Trending Anticline, Brecciation Probably As A Result Of Intramineral Movements
Tectonic settingEastern Cordillera
AlterationStrong Propilitization, Sericitization; Some Tourmalinization
Economic & production
Development statusProducer
First production1700
Discovery year1725
Identification
Deposit ID10068811
MRDS IDW002067
RegionSA
Data scoreB
Coordinates-18.69762, -66.01612
References
AHLFELD, F., 1938, DIE SILBER - ZINNERZLAGERSTAETTE COLQUECHACA, BOLIVIEN; NEUES JHRBLE MIN. A, BB 74A, PP. 466-49A F2 AHLFELD, F., AND SCHEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS: DEPTO. NAC. GEOLOGIA, BOL. 5 (ESPECIAL), PP. 187-191.AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: BOLIVIA DEPARTMENTO NACIOAL DE GEOLOGIA BOL. 5.THORMANN, W., LJUNDGREN, P., AND VIRREIRA, M., 1966, INVESTIGACIONES PRELIMINARES SOBRE LA GEOTECTONICA Y MATALOGENESIS DE LA ZONA CHALLAPATA - CAXATA, BOLIVIA: SERV. GEOL. BOL., BOL. 7, 118 P.CARLAT, E., 1964, PRELIMINARY GEOLOGIC REPORT ON THE COLQUECHACA MINES, PROVINCE OF CHAYANTA: INFORME NO. 1934, COMIBOL.CARO, E., 1970, ESTUDIO GEOLOGICO MINA COLQUECHACA: PARTE 2 - GEOLOGIA ECONOMICA, INFORME NO. SGG-37/70, COMIBOL.CORVERA, O., 1970, INFORME SOBRE ESTUDIO DE PROPIEDADES MINERAS EN COLQUECHACA: INFORME NO. SGG-63/70, COMIBOL.AHLFELD, F., 1938, DIE SILBER - ZINNERZ LAGERSTAETTE COLQUECHACA, BOLIVIEN: NEUES JAHRB. MIN. A, BB 74A, PP. 466-492MINISTRY OF MINES AND METALLURGY, 1971