Mine detail: La Libertad Area

Previously called 'El CalvarioEl TigreSan JuanChamarro OestesEsmeralda OesteEsmeralda EsterVictonaSanta ManaPopularesDesconocidaVeta 3Babilonia ViejoLa TorreBabilonia CrimeaBabilonia NuevaEl SaltoZopiloteArmeniaMojon SwEsmeralda-Victoria ZonesGran BritanniaTres AmigosAsombro ClaimsSantiagoTurquezaExperienciaAdmirableSta. ValentinaIncludes SultanaSanta ElenaEsmeralda StructureChamarro ProspectBabilonia MineSan Juan MineLa LibertadLa MestizaLa JuanitaLos Angeles-AnchuraSan FranciscoEl CorralEl PulpitoEl AsombroMojon Azul'

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Location

Lat / long:

12.21347, -85.16665

Resource(M)

Primary:	Gold
Secondary:	Silver
Tertiary:	Arsenic, Cadmium, Cobalt, Selenium, Manganese, Copper, Tellurium, Zinc, Antimony, Lead
Discovery year:	1843

Production

Operation type:	Unknown
Deposit type:	EPITHERMAL VEINS, SHEAR ZONES, VEIN
Production size:	Medium
Development status:	Producer

Geology

Structure:	NW-SE NORMAL FAULTS, NE FABRIC, VEIN ELONGATION OF INTRUSIVES AND FRACTURES.
Alteration processes:	KAOLINIZATION, SILICIFICATION, PROPYLITIZATION. KAOLINITE-ILLITE-POTASSIUM FELDSPAR-PYRITE ALTERATION ENCOUNTERED IN PROXIMITY TO VEINS. DISTRICT WIDE (REGIONAL) ALTERATION LAUNMONTITE-CHLORITE-CALCITE-QUARTZ. OXIDATION TO 80-100 M.

References

MRDS	W702056
DEP	60001857
Reference	{Deposit:: INSTITUTO CENTROAMERICANO DE INVESTIGACION Y TECNOLOGIA INDUSTRIAL (ICAITI), 1970, MAPA METRALOGENETIO DE AMERICA CENTRAL; 1:2000000 AND ESTUDIOS METALOGENETICOS DE AMERICA CENTRAL: PUBLICIONES GEOLOGICAS DEL ICAITI NUMERO III, 76 P.}{Deposit:: MINING JOURNAL, LONDON, AUGUST 23, 1991, V. 317, NO. 8136, P. 135.}{Deposit:: ROBERTS, R.J., AND IRVING, E.M., 1957, MINERAL DEPOSITS OF CENTRAL AMERICA: U.S. GEOLOGICAL SURVEY BULLETIN 1034, P. 189.}{Deposit:: DARCE, MAURICIO, 1987, GEOLOGIA DEL DISTRITO MINERO LA LIBERTAD, NICARAGUA: REVISTA GEOL. AMER. CENTRAL, VOL. 7, P. 65-82.}{Deposit:: KONDAKOV, L.A., AND NABROVERKOV, O.S., 1983, OCNOVPYYE CHERTY METALOGENII NIKARAGUA (PRINCIPAL CHARACTERISTICS OF THE METALLOGENY OF NICARAGUA): IZVESTIYA AKADEMII NAUK SSSR, SERIYA GEOLOGICHESKAYA, V. 1983, P. 91-104.}{Deposit:: ANACONDA FILES (85001) DATE 1/58.}{Deposit:: LILLJEQUIST, ROBERT, AND HODGSON, GLEN, 1983, STRUCTURES AND ROCK FORMATIONS RELATED TO PRECIOUS METALVEIN DEPOSITS IN NICARAGUA: MANAGUA, NICARAGUA, INMINE.}{Deposit:: SUNDBLAD, KRISTER, 1985, TRACE ELEMENT DISTRIBUTION IN THE NICARGUA AURIFEROUS DEPOSITS - A RECONAISSANCE STUDY: MANAGUA, NICARAGUA, SOAB, 12 P.}{Deposit:: U.S. EMBASSY MANAGUA, 1993, A LOOK AT NICARAGU * MINING SECTOR: DEPARTMENT OF STATE CABLE, 8/93.}{Deposit:: ANON., 1994, TWO NEW MINES ON TRACK FOR GREENSTONE: THE NORTHERN MINER., V. 80, NO. 36, P. 15.}{Deposit:: JENKINS, D.M., 1989, REPORT ON THE LA LIBERTAD-SANTO DOMINGO DISTRICT CHONTALES PROVINCE, NICARAGUA, JUNE 23, 1989: UNPUBLISHED REPORT, 28 P.}