Mine detail: El Fierro Bajo

Previously called 'Principal Mines: Felicidad & Rara Fortuna'

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Location

Lat / long:

-29.43079, -69.36617

Resource(M)

Primary:	Silver, Zinc, Lead
Ore:	Chalcopyrite, Pyrite, Sphalerite, Tetrahedrite
Gangue:	Barite, Calcite, Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	LATE 180 * EARLY 190 * NEWLY EXPLORED & WORKED IN 1940

Geology

Host rock:	Cerro Agua Negra Formation-Low Grade Metasediments (Sandstones & Shale);Colanguit Plutonic Complex-Granites & Granodiorites;Post Plutonic Dikes
Host type:	Granite
Structure:	Ne-Sw & N-S Fracture Sets, Metasediments: Strike N70w, Dip 60sw
Alteration processes:	Propylitization & Uralitization Of Postplutonic Dikes. To 20-25m : Oxidation Of Deposit Near Surface To : Anglesite, Cerussite, Quarts, Gypsum, Calcite, Barite, Malachite, Azurite, & Clay.

References

MRDS	AR16076
DEP	10005537
Reference	{Deposit:: ANGELELLI, V., 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA: LA PLATA, PROVINCIA DE BUENOS AIRES, COMISION DE INVESTIGACIONES CIENTIFICAS, VOL. II, P. 539-540}{Other Database:: CIMRI}
Reporter	Venable, Margaret