Past Producer

San Pedro, Cachiyuyo Cu Mine

Chile
CopperSilverGold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
SecondarySilver, Gold
Commodity typeM
Deposit
Deposit sizeY
WorkingsUnderground
Orebody formLENTICULAR TO CIRCULAR
Ore controlBreccia Pipe Associated With Andean Diorite Intrusive. Fractures Trending N. 70 Deg. W. Which Were Favorable For Mineralization
Materials
Ore mineralsChalcocite, Chalcopyrite, Pyrite
GangueCalcite, Quartz, Scapolite, Tourmaline
Geology
Host rockDiorite,Siltstone,Sandstone,Tuff,Granite · Caliza (Limestone) Formation;
Associated rockDiorite,Volcanic Breccia (Agglomerate),Granite · Porfiritica Formation;
StructureReg.Struct: North-Trending Broad Open Folds, Faults Of Varying Lengths And Displacements, And Plutonic Masses, System Of Fractures And Fault-Controlled Diorite Dikes Striking N. 30 Deg. W.
Tectonic settingAndean Cordillera And Batholith
AlterationHydrothermal Alteration (Epidotization Sericitization And Albitization)
Economic & production
Development statusPast Producer
Discovery year1850
Identification
Deposit ID10068742
MRDS IDW001982
Alternate namesSan Pedro De Cachiyuyo
RegionSA
Data scoreB
Coordinates-26.73915, -69.84285
References
RUIZ, F., CARLOS, 1965, GEOLOGIA Y YACIMIENTOS METALIFEROS DE CHILE: INST. INV. GEOL. CHILE, 305 P. (SPANISH)RUIZ, F., CARLOS AND ERICKSEN, G. E., 1962, METALLOGENETIC PROVINCES OF CHILE, S. A.: ECON. GEOL. V. 57, NO. 1, P. 91-106ERAZO, V., MARCO, 1948, ESTUDIO GEOLOGICO DEL DISTRITO MINERO DE SAN PEDRO DE CACHIYUYO, INCA DE ORO: REV. MINERALES, NO. 26, P. 127-137 (SPANISH)RUIZ, C. AND PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.ERAZO, M, 1948, ESTUDIO GEOLOGICO DEL DISTRITO MINERO SAN PEDRO DE CACHIYUYO: REV. MIN., #26.DIAZ, ET AL., 1980, MAPA METALOGENICO PRONOSTICO DE LA III REGION: CORPORACION DE FOMENTO DE LA PRODUCCION, SANTIAGO (5 VOLS.)FRUTOS, J. AND PINCHEIRA, M., 1986, FICHAS METALOGENICAS DE YACIMIENTOS MINERALES METALICOS CHILENOS, IN FRUTOS, J., OYARZUN, J., AND PINCHEIRA, M., EDS., GEOLOGIA Y RECURSOS MINERALES CHILENOS: UNIVERSIDAD DE CONCEPCION, CONCEPCION, P. 841-888.CUADRA, W.A., AND DUNKERLEY, P.M., 1991, A HISTORY OF GOLD IN CHILE: ECONOMIC GEOLOGY, V. 86, NO. 6, P. 1155-1173.ERAZO, V., MARCO, 1948, ESTUDIO GEOLOGICO DEL DISTRITO DE SAN PEDRO DE CACHIYUYO, INCA DE ORO: REV. MINERALES, NO. 26, P. 127-137 (SPANISH).1948 COMPILE INSTITUTO DE INGENIEROS DE MINAS DE CHILCIMRICUADRA AND DUNKERLY (1991)