Commodities
PrimaryCopper
SecondaryZinc, Silver
TertiaryMolybdenum, Tungsten
Commodity typeM
Deposit
Deposit typeSKARN, PYROMETASOMATIC
Model58: Porphyry Cu, skarn-related
Deposit sizeM
Ore controlLITHOLOGY, INTRUSIONS
Geology
StructureBACKBONE FAULT-- A COMPLEX ZONE CONSISTING OF THRUST FAULTS, HIGH-ANGLE NORMAL AND REVERSE FAULTS, TEAR FAULTS; FOLDING
AlterationCONTACT PYROMETASOMATIC (SKARNIFICATION), SILICIFICATION, ARGILLIZATION, PYRITIZATION
Economic & production
Development statusPast Producer
First production1870
Discovery year1861
Identification
Deposit ID60000203
MRDS IDD000804
Alternate namesHelvetia Deposit, Peach-Elgin, Broadtop Butte, Rosemont, Copper World
RegionNA
Data scoreD
Coordinates31.86683, -110.78398
References
LEMMON, D.M., UNPUBLISHED DATA.LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: U.S. BUREAU OF MINES SPECIAL PUBLICATION, 334 P.ANZALONE, S.A., AND BROWN, R.L., 1992, GEOLOGYOF THE HELVETIA COPPER DEPOSIT--ARIZONA: SOCIETY FOR MINING, METALLURGY, AND EXPLORATION, INC. PREPRINT NO. 92-61, 5 P.