Mine detail: Pumahuasi Mine

Previously called ''

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Location

Lat / long:

-22.28087, -65.58693

Resource(M)

Primary:	Lead, Zinc, Silver
Secondary:	Copper
Ore:	Anglesite, Argentite, Calamine, Chalcopyrite, Chrysocolla, Galena, Malachite, Sphalerite, Tetrahedrite
Gangue:	Barite, Chalcedony, Limonite, Opal, Pyrolusite, Quartz, Siderite
Orebody form:	PINCH AND SWELL
Discovery year:	1900

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Producer
First production started:	1914
Last production ended:	1937

Geology

Host rock:	Acoite Formation
Host type:	Shale,Sandstone
Structure:	Multiple Imbricate Thrusts With Subsidiary Folding, Narrow Belt Of Intensely Folded And Sheared Rocks. Fold Axes Oriented N-S
Tectonic:	Cordillera Oriental
Alteration processes:	Oxidized To 50-60 M Depth With Zone Of Secondary Enrichment At That Depth. Narrow Alteration Envelopes Of Silica, Chlorite, And Sericite Around Veins.

References

MRDS	W002096
DEP	10068838
Reference	{Deposit:: ANGELELLI, V., FERNANDEZ LIMA, J. C., HERRERA, A., AND ARISTARAIN, L., 1970, DESCRIPCION DEL MAPA METALOGENETICO DE LA REPUBLICA ARGENTINA: DIRRECION NACIONAL DE GEOLOGIA Y MINERIA, P. 118 (SPANISH)}{Deposit:: ANGELELLI, V., 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA: LA PLATA, PROVINCIA DE BUENOS AIRES, COMISION DE INVESTIGACIONES CIENTIFICAS, V. 2, P. 483-484.}{Deposit:: TURNER, J.C., 1964, DESCRIPCION GEOLOGICA DE LA HOJA 2B, LA QUIACA: ARGENTINA, SERVICIO NACIONAL MINERO GEOLOGICO, BOL. 103, P. 64.}{Deposit:: SUREDA, R.J., ET. AL., 1986, ASPECTOS METALOGENICOS DEL NOROESTE ARGENTINO: CAPRICORNIO, V. 1, N.1, P. 46.}{Other Database:: CIMRI}
Reporter	Davidson, Claire B., Long, Keith R.