Mine detail: Colquechaca Mine

Previously called ''

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Location

Lat / long: -18.69762, -66.01612

Resource(M)

Primary: Tin
Secondary: Silver, Lead
Tertiary: Zinc, Cadmium
Ore: Cassiterite, Galena, Sphalerite, Stannite
Gangue: Marcasite, Pyrite, Quartz
Orebody form: TABULAR, STOCK
Discovery year: 1725

Production

Operation type: Unknown
Production size: Yes
Development status: Producer
First production started: 1700

Geology

Host type:Sandstone
Associated type:Latite
Structure:Sedimentary Rocks Folded Into Nw-Se Trending Anticline, Brecciation Probably As A Result Of Intramineral Movements
Tectonic:Eastern Cordillera
Alteration processes:Strong Propilitization, Sericitization; Some Tourmalinization

References

MRDSW002067
DEP10068811
Reference{Deposit:: 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.}{Deposit:: AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: BOLIVIA DEPARTMENTO NACIOAL DE GEOLOGIA BOL. 5.}{Deposit:: 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.}{Deposit:: CARLAT, E., 1964, PRELIMINARY GEOLOGIC REPORT ON THE COLQUECHACA MINES, PROVINCE OF CHAYANTA: INFORME NO. 1934, COMIBOL.}{Deposit:: CARO, E., 1970, ESTUDIO GEOLOGICO MINA COLQUECHACA: PARTE 2 - GEOLOGIA ECONOMICA, INFORME NO. SGG-37/70, COMIBOL.}{Deposit:: CORVERA, O., 1970, INFORME SOBRE ESTUDIO DE PROPIEDADES MINERAS EN COLQUECHACA: INFORME NO. SGG-63/70, COMIBOL.}{Deposit:: AHLFELD, F., 1938, DIE SILBER - ZINNERZ LAGERSTAETTE COLQUECHACA, BOLIVIEN: NEUES JAHRB. MIN. A, BB 74A, PP. 466-492}{Production:: MINISTRY OF MINES AND METALLURGY, 1971}
ReporterIrving, Earl M., Urquidi-Barrau, Fernando