Description
Spanish Explorers
Commodities
PrimaryCopper
SecondarySilver, Gold, Lead, Molybdenum
TertiaryZinc, Vanadium, Fluorine-Fluorite, Barium-Barite
Deposit
Deposit typeSUPERGENE ENRICHED PORPHYRY COPPER
Model58: Porphyry Cu, skarn-related
Deposit sizeL
Ore controlREGIONAL STRUCTURES AND ROCK CHEMISTRY. INTERSECTION OF ENE FAULTS WITH WNW SILVER BELL FAULT ZONE
Geology
StructureSILVER BELL FAULT ZONE TRENDING WNW, ENE FRACTURES AND DIKES
AlterationPROPYLITIC, POTASSIC, PHYLLIC
Economic & production
Development statusProducer
First production1865
Discovery year1700
Identification
Deposit ID60000298
MRDS IDD002948
Alternate namesEl Tiro and Oxide Open Pits, Silver Bell Copper, Silver Bell Mill, Imperial Mine, Union Mine
RegionNA
Data scoreC
Coordinates32.42041, -111.541
References
RICHARD AND COURTRIGHT, 1966, IN TITLEY AND HICKS, UNIV OF AZ PRESS.ANDERSON, 1968, AIME GRATON-SALES VOL II.GALEY, 1979, SOC ECON GEOL, PORPHYRY CU FIELD CONF, 18 P.HUTTL, J., 1954, SILVER BELL: ASARCO'S NEW ARIZONA: EENGINEERING AND MINING JOURNAL, V. 155.MINING RECORD, 1957, ARIZONA PLANT IS GETTING MORE MOLYBDENUM WITH LATE PROCESSING.ASARCO SILVER BELL MINE BOOKLET: ASARCO INCORPORATED, SILVER BELL UNIT, SILVER BELL, ARIZONA.PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERALS CARD FILE.NIEMUTH, N.J., 1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P.