Mine detail: La Mejicana Cu Mine

Previously called 'UpulungosSan Pedro Veins. Mine Names Include UpulungosMellizasEsperanzaBella ArgentinaCompaniaEstrellaAtacamaWhiteGibraltaForastera'

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Location

Lat / long:

-29.04162, -67.7914

Resource(M)

Primary:	Copper, Silver
Secondary:	Gold
Ore:	Chalcopyrite, Enargite, Famatinite, Galena, Gold, Goslarite, Malachite, Sphalerite, Tennantite
Gangue:	Alunite, Barite, Gypsum
Orebody form:	SUBPARALLEL
Discovery year:	1850

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1905

Geology

Host rock:	Negro Peinado Formation
Host type:	Schist,Mudstone,Shale,Sandstone,Limestone
Associated rock:	Mogote Complex;Nonorco Batholoth
Associated type:	Rhyodacite
Structure:	North-Trending Folds, Faults Of Varying Lengths And Displacements, And Plutonic Masses, Pal Rocks Dip Se. Characterized By Mineralized Faults, Brecciation, Post Mineral Shearing Of Wall Rock
Tectonic:	Andean Cordillera And Batholith
Alteration processes:	Hydrothermal Alteration, Seritization, Silicification, And Pyritization Of Wall Rock

References

MRDS	W002082
DEP	10068824
Reference	{Deposit:: ANGELELLI, V., FERNANDEZ LIMA, J. C., HERRERA, A., AND ARISTARAIN, L., 1970, DESCRIPCION DEL MAPA METALOGENETICO DE LA REPUBLICA ARGENTINA: DIRECCION NACIONAL DE GEOLOGIA Y MINERIA, P. 51. (SPANISH)}{Deposit:: HOSKOLD, H.D., 1904, OFFICIAL REPORT UPON THE MINES, MINING, METALLURGY, AND MINING LAWS ETC., OF THE ARGENTINE REPUBLIC: MINISTRY OF AGRICULTURE, COMMERCE, AND INDUSTRIES, NATIONAL SECTION OF MINING AND GEOLOGY, BUENOS AIRES, SOUTH AMERICAN BANK NOTE COMPANY, 474 P.}{Deposit:: MAPA MINERO DE LA PROVINCIA DE RIOJA 1966-1967 INSTITUTO NACIONAL DE GEOLOGIA Y MINERIA: SERVICIO DE ECONOMIA MINERIA.}{Deposit:: DE ALBA, E., 1053, DNGM; BOL. 82, (MAP).}{Deposit:: SCHALAMUK, I.B., AND LOGAN, M.A.V., 1994, POLYMETALLIC AG-TE-BEARING PARAGENESIS OF THE CERRO NEGRO DISTRICT, FAMATINA RANGE, V. 32, P. 667-679.}{Production:: ANGELELLI (1984)}
Reporter	Davidson, Claire B., Sow, Thierno (Page, Norman J.)