Commodities
PrimaryCopper, Molybdenum
Commodity typeM
Deposit
Model78: Porphyry Cu-Au
Deposit sizeN
Ore controlMainly Disseminated Chalcopyrite, Veinlet Molybdenite
Materials
Ore mineralsChalcopyrite, Molybdenite
Geology
Host rockDiorite
Associated rockDiorite
StructureMineralized Zone Is Cut By Abundant Faults And Mineralized Fractures Spaced A Few Decimeters Apart
AlterationBiotite-Chlorite Zone In The Porphyry Near Its Contact With Surrounding Metavolcanics, Contains Cu, Mo, Au, Ag, Se, And Te; A Quartz-Sericite-Pyrite Zone Within The Porphyry, With Metals Of The Biotite-Chlorite Zone Nearly Absent
Economic & production
Development statusOccurrence
Discovery year1957
Identification
Deposit ID10085481
MRDS IDW701072
RegionCR
Data scoreC
Coordinates18.19788, -66.67864
References
COX, DENNIS P., AND BRIGGS, REGINALD P., 1973, METALLOGENIC MAP OF PUERTO RICO: U.S. GEOLOGICAL SURVEY, MISCELLANEOUS GEOLOGIC INVESTIGATIONS MAP I-721, ACCOMPANIED BY EXPLANATORY PAMPHLET, 6 P.COX, DENNIS P., PEREZ GONZALEZ, ILEANA, AND NASH, J. THOMAS, 1975, GEOLOGY, GEOCHEMISTRY, AND FLUID-INCLUSION PETROGRAPHY OF THE SAPO ALEGRE PORPHYRY COPPER PROSPECT AND ITS METAVOLCANIC WALLROCKS, WEST-CENTRAL PUERTO RICO: U.S. GEOLOGICAL SURVEY JOUR. RESEARCH, V. 3, NO. 3, P. 313-327.