Mine detail: El Yunque

Previously called 'Maria JosefinaColumbianLa CasualidadLa CastellanaC.P.Santa CruzSanta AmaliaSanta TeresaUnionAmerican ErmestitaPerla GoldLa AcaciaCatalinaSan NarcisoReina CristinaBrigidaLuquillo MineBetamon Y CompaniaCatinesterlilaMonserrate'

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Location

Lat / long: 18.30759, -65.77223

Resource(M)

Primary: Copper
Secondary: Gold
Ore: Chalcopyrite
Gangue: Magnetite, Pyrite
Orebody form: IRREGULAR
Discovery year: 1650

Production

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

Geology

Host type:Mudstone,Sandstone,Tuff
Associated type:Diorite
Alteration processes:Hornfels, Epidote, Garnet, Quartz, Calcite

References

MRDSW701049
DEP10085458
Reference{Deposit:: 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.}{Deposit:: CARDONA, W.A., 1984, EL YUNQUE MINERAL PROSPECTS, EASTERN PUERTO RICO: CARIBBEAN JOURNAL OF SCIENCE, VOL. 20, PP 79 -87.}{Deposit:: COX, D. P., MARVIN, R. F., *ONIGLE, J. W., MCINTYRE, D. H., AND ROGERS, C. L., 1977, POTASSIUM-ARGON GEOCHRONOLOGY OF SOME METAMORPHIC, IGNEOUS, AND HYDROTHERMAL EVENTS IN PUERTO RICO AND THE VIRGIN ISLANDS: U.S. GEOLOGICAL SURVEY JOUR. RESEARCH, VOL. 5, NO. 6, P. 689-703.}
ReporterPaidakovich, Matthew E., Schellekens, J.H.