El Fierro Bajo

San Juan, Argentina

SilverZincLead

⌖ Show on map USGS source ↗

Commodities

PrimarySilver, Zinc, Lead

Commodity typeM

Deposit

Deposit sizeS

Materials

Ore mineralsChalcopyrite, Pyrite, Sphalerite, Tetrahedrite

GangueBarite, Calcite, Quartz

Geology

Host rockGranite · Cerro Agua Negra Formation-Low Grade Metasediments (Sandstones & Shale);Colanguit Plutonic Complex-Granites & Granodiorites;Post Plutonic Dikes

StructureNe-Sw & N-S Fracture Sets, Metasediments: Strike N70w, Dip 60sw

AlterationPropylitization & Uralitization Of Postplutonic Dikes. To 20-25m : Oxidation Of Deposit Near Surface To : Anglesite, Cerussite, Quarts, Gypsum, Calcite, Barite, Malachite, Azurite, & Clay.

Economic & production

Development statusPast Producer

Production yearsLATE 1800'S EARLY 1900'S NEWLY EXPLORED & WORKED IN 1940

Identification

Deposit ID10005537

MRDS IDAR16076

Alternate namesPrincipal Mines: Felicidad & Rara Fortuna

RegionSA

Data scoreC

Coordinates-29.43079, -69.36617

References

ANGELELLI, V., 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA: LA PLATA, PROVINCIA DE BUENOS AIRES, COMISION DE INVESTIGACIONES CIENTIFICAS, VOL. II, P. 539-540CIMRI