Description
Servicio Geologia Y Mineria De Peru And Institute Of Geologic Sciences Of U.K.
Commodities
PrimaryMolybdenum, Copper
Commodity typeM
Deposit
Model53: Porphyry Cu
Deposit sizeN
Materials
Ore mineralsBornite, Chalcocite, Chalcopyrite, Covellite, Enargite, Molybdenite, Pyrite, Tennantite
GangueAndalusite, Chlorite, Diaspore, Pyrophyllite, Sericite
Geology
Host rockHornblendite,Skarn (Tactite) · Inca-Chulek-Pariatambo Formation
Associated rockDiorite
StructureFracture Density Of 0.1 And 2 Per Cm.
AlterationAdvanced Argillic (Central Zone) With Andalusite-Quartz, Andalusite-Pyrophyllite-Quartz, Andalusite-Sericite-Quartz, Diaspore-Pyrophyllite Quartz, Sericite-Pyrophyllite-Quartz With Sericite-Clay, Locally Chlorite Around It, Outside A Propylitic Zone With Chlorite, Epidote, Clinozoisite, Calcite, Anhydrite, Clay, Quartz; Local Skarn Of Garnet-Actinolite-Wollastonite-Epidote-Clinozoisite.
Economic & production
Development statusOccurrence
Discovery year1970
Identification
Deposit ID10065205
MRDS IDTC40305
RegionSA
Data scoreB
Coordinates-6.3981, -78.86646
References
SCHWARTZ, M.O., 1982, THE PORPHYRY COPPER DEPOSIT AT LA GRANJA, PERU: ECONOMIC GEOLOGY, V.77, P. 482-488.CAMBIOR, 1994, 3RD QUARTER REPORT TO SHAREHOLDERS, SEPT. 30, 1994, P. 4.CIMRI