La Rioja
Producer

La Mejicana Cu Mine

La Rioja, Argentina
CopperSilverGold
⌖ Show on mapUSGS source ↗
Description

Famatina Development Corp., (Corporation Minera Famatina)

Commodities
PrimaryCopper, Silver
SecondaryGold
Commodity typeM
Deposit
Deposit sizeS
Orebody formSUBPARALLEL
Ore controlOre Deposits Related To Dacite Extrusive Bodies And Faults In Lower Pal Rocks
Materials
Ore mineralsChalcopyrite, Enargite, Famatinite, Galena, Gold, Goslarite, Malachite, Sphalerite, Tennantite
GangueAlunite, Barite, Gypsum
Geology
Host rockSchist,Mudstone,Shale,Sandstone,Limestone · Negro Peinado Formation
Associated rockRhyodacite · Mogote Complex;Nonorco Batholoth
StructureNorth-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 settingAndean Cordillera And Batholith
AlterationHydrothermal Alteration, Seritization, Silicification, And Pyritization Of Wall Rock
Economic & production
Development statusProducer
First production1905
Discovery year1850
Identification
Deposit ID10068824
MRDS IDW002082
Alternate namesUpulungos, San Pedro Veins. Mine Names Include Upulungos, Mellizas, Esperanza, Bella Argentina, Compania, Estrella, Atacama, White, Gibralta, Forastera
RegionSA
Data scoreB
Coordinates-29.04162, -67.7914
References
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)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.MAPA MINERO DE LA PROVINCIA DE RIOJA 1966-1967 INSTITUTO NACIONAL DE GEOLOGIA Y MINERIA: SERVICIO DE ECONOMIA MINERIA.DE ALBA, E., 1053, DNGM; BOL. 82, (MAP).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.ANGELELLI (1984)