Mine detail: El Bronce Mine

Previously called 'Bronce Viejo, El Bronce De Petorca, El Bronce Sector Carmen LevelOre Shoots Rosario I, Ii, IiiVein: El Bronce Vein'

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Location

Lat / long:

-32.17579, -70.9362

Resource(M)

Primary:	Gold, Silver
Secondary:	Zinc, Copper, Lead
Ore:	Bornite, Chalcopyrite, Galena, Gold, Pyrite, Smithsonite, Sphalerite, Tennantite, Tetrahedrite
Gangue:	Ankerite, Barite, Chlorite, Epidote, Hematite, Magnetite, Pyrrhotite, Quartz, Sericite, Siderite
Discovery year:	1850

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer

Geology

Host rock:	Cerro Morado Formation;Cerro Morado Formation;Cerro Morado Formation;Cerro Morado Formation
Host type:	Sandstone
Associated rock:	San Lorenzo Superunit
Associated type:	Diorite
Structure:	Morro Hediondo Caldera
Tectonic:	Western Andean Cordillera
Alteration processes:	Weak Alteration Up To 1-2 From Veins; Silicic, Argillic, Propylitization

References

MRDS	TC04069
DEP	10058199
Reference	{Deposit:: RUIZ, C. Y PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.}{Deposit:: CAMUS, F. Y DUHALDE, M.A., 1982, GEOLOGIA DE LOS YACIMIENTOS HIDROTERMALES DE ORO EN CHILE: REV. GEOL. DE CHILE, 17, P. 47-70.}{Deposit:: ELEVATORSKI, E.A., WORLD GOLD: MINES-DEPOSITS-DISCOVERIES, VOL. 1: NORTH, CENTAL, AND SOUTH AMERICA: MINOBRAS MINING SERVICES.}{Deposit:: SERPLAC, 1981, ESTUDIO DEL SECTOR MINERO DE LA V REGION: SANTIAGO (6 VOLS.).}{Deposit:: CAMUS, F., BORIC, R., SKEWES, M.A., CASTELLI, J.C., REICHHARD, E., AND MESTRE, A., 1991, GEOLOGIC, STRUCTURAL, AND FLUID INCLUSION STUDIES OF EL BRONCE EPITHERMAL VEIN SYSTEM, PETORCA, CENTRAL CHILE: ECONOMIC GEOLOGY, V. 86, NO. 6, P. 1317-1345.}{Deposit:: SILLITOE, R.H., 1991, GOLD METALLOGENY OF CHILE - AN INTRODUCTION: ECONOMIC GEOLOGY, V. 86, NO. 6, P. 1187-1205.}{Deposit:: ENAMI, 1932, #5060.}{Other Database:: CIMRI}
Reporter	Williams, William C., Page, Norman J.