Commodities
PrimaryCopper, Zinc
TertiaryMolybdenum, Tungsten
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
Orebody formBEDDED
Ore controlFaults Which Intersect Favorable Beds
Materials
Ore mineralsBornite, Chalcopyrite, Molybdenite, Scheelite, Sphalerite
GangueGarnet
Geology
Host rockShale,Limestone,Dolomite · Abrigo Formation; Martin Formation
Associated rockQuartz Monzonite · Texas Canyon
StructureTertiary Block Faulting Trending Nw ; Reg.Trends: Late Cretaceous Or Early Tertiary N And Nw Trending Folds And Thrust Faults Overriding To Ne
Tectonic settingBasin And Range
AlterationGarnetization And Lime Silicates, Oxidation Of Ore
Economic & production
Development statusProducer
First production1891
Identification
Deposit ID10109600
MRDS IDM050004
Alternate namesLeopold
RegionNA
Data scoreB
Coordinates32.09123, -110.05899
References
COOPER, J.R., AND SILVER, L.T., 1964, U.S. GEOLOGICAL SURVEY PROF. PAPER 416.COOPER, J.R., 1950, ARIZ. BUREAU OF MINES, GEOL. SER. 18 BULL 156.ROMSLO, T.M., 1949, ARIZ. BUREAU OF MINES REPT. INV. 4504.LIVINGSTON, MAUGER, BENNETT, AND LAUGHLIN, 1967, JGR, V. 72, P. 1361-1375.KEITH, 1973, ABM BULL 187.ROMSLO, T.M. 1949, INVESTIGATION OF KEYSTONE AND ST. GEORGE COPPER ZINC DEPOSITS, COCHISE COUNTY, ARIZONA: U.S. BUREAU OF MINES REPORT OF INVESTIGATION 4504, 21 P.1947 DIREXPL U.S. BUREAU MINES, EXPLORATORY HOLES DRILLED1964 GEOLMAP U.S. GEOLOGICAL SURVEY, COOPER AND SILVER, PROF. PAPER 416COOPER AND SILVER, 1964