Commodities
PrimarySilver, Lead
SecondaryZinc, Copper
Commodity typeM
Deposit
Deposit typeVein
Model77: Sn-polymetallic vein
Deposit sizeS
WorkingsSurface/Underground
Orebody formPINCH AND SWELL
Ore controlTwo Fractures: Main Fracture Traceable 4 Km. Secondary Fracture Exposed In Porvenir Sector.
Materials
Ore mineralsBornite, Chalcopyrite, Covellite, Galena, Malachite, Marcasite, Pyrite, Sphalerite, Tenorite, Tetrahedrite
GangueCalcite, Hematite, Limonite, Quartz, Siderite
Geology
Host rockTuff,Dacite
Associated rockAndesite · Penas Blancas Formation
Structure2 Fractures
Tectonic settingMagmatic Arc
AlterationSericitization, Argilitization, Propylitization
Economic & production
Development statusProducer
First production1964
Identification
Deposit ID10056616
MRDS IDTC00668
Alternate namesLa Esperanza, Alicia, Elvira. Veins E To W: La Negra, Vieja Esperanza Sur, Chiflon, Rosa, Zeta, Nueva Esperanza, Porvenir
RegionSA
Data scoreB
Coordinates-24.25139, -66.47444
References
DIRECCION NACIONAL DE MINERA Y GEOLOGIA, 1991, REPORT ON THE ARGENTINE MINING SECTOR, ARGENTINE SELECTED MINING PROJECT: BUENOS AIRESANGELELLI, VICTORIO, 1984, YACIMIENTOS METALIFEROS DE LA REPUBLICA ARGENTINA, VOL. II, COMISION DE INVESTIGACIONES CIENTIFICAS, P. 393-704.CIMRI