Mine detail: Corocoro District

Previously called 'Mines: Buen Pastos, CapillaChallcomaCopacabanaEstrellaGuallatiriLibertadMalcocoyaRemediosSan AngelSan AugustinSan GeronimoSanta RitaSanta RosaTancani, ViscachaniYanabarra'

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Location

Lat / long: -17.16685, -68.45063

Resource(M)

Primary: Copper
Secondary: Silver
Tertiary: Zinc, Lead
Ore: Atacamite, Bornite, Chalcanthite, Chalcocite, Chalcopyrite, Chrysocolla, Conichalcite, Copper, Covellite, Cuprite, Galena, Malachite, Silver, Sphalerite, Stromeyerite, Tennantite, Tenorite
Gangue: Alunite, Anhydrite, Aragonite, Barite, Celestite, Chalcedony, Dioptase, Gypsum, Halite, Hematite, Kaolinite, Montmorillonite, Nontronite, Olivine, Pyrite, Selenite
Orebody form: LENTICULAR
Discovery year: 1540

Production

Operation type: Unknown
Deposit type: Stratabound
Production size: Medium
Development status: Producer
Last production ended: 1986

Geology

Host rock:Ballivian;Caquiaviri
Host type:Shale,Sandstone,Conglomerate
Structure:Corocoro Fault, Trending N 10 Deg W And Dipping Nearly Vertical, Separates Parallel Vetas Beds From Ramos Bed With About 100 M Displacement. Gaullatiri Thrust Fault Cuts All., Faulted Anticline, Perhaps Related To Gypsum Diapirism
Tectonic:Molasse Basin
Alteration processes:Some Bleaching Around Ore In Older Ramos Beds But None Around Ore Bodies In Vetas Beds. Ore Is Oxidized To 60 M Depth.

References

MRDSW002046
DEP10068795
Reference{Deposit:: ENTWHISTLE, L. P., AND GOUIN, L. O., 1955, THE CHALCOCITE-ORE DEPOSITS AT COROCORO, BOLIVIA: ECON. GEOL., V. 50, PP. 555-570}{Deposit:: SINGEWALD, JR., J. AND BERRY, E. W., 1922, THE GEOLOGY OF THE COROCORO COPPER DISTRICT OF BOLIVIA: JOHN HOPKINS UNIV. STUDIES IN GEOLOGY, NO. 1}{Deposit:: BERTON, A., 1937, THE COROCORO COPPER DISTRICT OF BOLIVIA: TRANS. AIME, V. 126, PP. 541-555}{Deposit:: AHLFELD, F., AND SCHNEIDER-SCHERBINA, 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS: DEPTO. NAC. GEOLOGIA, BOL. 5 (ESPECIAL), PP. 253-262}{Deposit:: LJUNGGREN, PONTUS AND MEYER, H.C., 1964, THE COPPER MINERALIZATION IN THE COROCORO BASIN, BOLIVIA: ECONOMIC GEOLOGY, V.59, NO.1, P. 110-115.}{Deposit:: MINING MAGAZINE, JANUARY, 1987, P. 58.}{Deposit:: FLINT, S., 1986, SEDIMENTARY AND GEOLOGIC CONTROLS ON RED-BED ORE GENESIS: THE MIDDLE TERTIARY SAN BARTOLO COPPER DEPOSIT, ANTOFAGASTA PROVINCE, CHILE: ECON. GEOL., V. 81, P. 761-778.}{Deposit:: PELISSONIER, H., 1964, STRUCTURE GEOLOGIQUE ET GENESE DU GISEMENT DE CUIVRE DE CORCORO (BOLIVIE): BULL. SOC. GEOL. FRANCE, SER. 7, V. 7, P. 502-514.}{Deposit:: KOHANOWSKI, N.N., 1944, GEOLOGIA DE YACIMIENTOS CUPRIFEROS EN BOLIVIA: MINERIA BOLIVIANA, A%O 1, NO. 6, P. 9FF}{Deposit:: ENTWISTLE, L.P., 1948, REPORT ON THE GEOLOGY AND ORE DEPOSITS OF COROCORO, BOLIVIA: REPORT TO AMERICAN SMELTING AND REFINING CO.}{Deposit:: SARAVIA ANNAS, CARLOS FERNANDO, 1971, CONTRIBUCION AL CONOCIMIENTO DE LA GENESIS DEL YACIMIENTO CUPRIFERO COROCORO - ASPECTOS SOBRE SU GEOLOGIA MINERA: UNPUBLISHED TESIS DE GRADO, UNIVERSIDAD MAYOR DE SAN ANDRES, LA PAZ, BOLIVIA, 140 P., MAP 1:10,000.}{Deposit:: AMERICAN SMELTING AND REFINING COMPANY}{Deposit:: ENTWISTLE, L., 1955, GEOLOGIC MAP FOR ASARCO}{Other Database:: CIMRI}{Production:: AHLFELD, F., AND SCHNEIDER-SCHERBINA, 1964; MINING MAGAZINE, V. 7, P. 207; KOHANOWSKI (1944)}
ReporterIrving, Earl M., Urquidi-Barrau, Fernando (Long, Keith R.)