Commodities
PrimaryCopper, Gold
Commodity typeM
Deposit
Model78: Porphyry Cu-Au
Deposit sizeN
Materials
Ore mineralsChalcopyrite
GangueGypsum, Pyrite
Geology
Host rockDiorite
Associated rockDiorite
StructureDeposit Is Cut By The Major Fault, Strong Fracturing Of Deposit Has Provided Channelways For Intense Leaching, Supergene Argillization, And Secondary Chalcocite Deposition
AlterationExtensive Propylitic And Sericitic; Localized Argillic, With Plagioclase Albitized Or, More Commonly, Completely Destroyed
Economic & production
Development statusProspect
Identification
Deposit ID10085482
MRDS IDW701073
RegionCR
Data scoreB
Coordinates18.18955, -66.68003
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.BRADLEY, R. A., 1971, THE GEOLOGY OF THE RIO VIVI PORPHYRY COPPER DEPOSITS, PUERTO RICO [ABS.]: ECON. GEOLOGY, V. 66, NO. 6, P. 977.COX, D. P., LARSEN, R. R., AND TRIPP, R. B., 1973, HYDROTHERMAL ALTERATION IN PUERTO RICAN PORPHYRY COPPER DEPOSITS: ECON. GEOLOGY, V. 68, NO. 8, P. 1329-1334.ANON., 1994, USMX BOOSTS GOLD, COPPER RESERVES: THE NORTHERN MINER, SEPT. 26, 1994, V. 80, NO. 30, P. 3.