Commodities
PrimaryCopper, Silica
SecondarySilver, Gold
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsUnknown
Ore controlDikes And Faults Control Vein Locations, Ore Fills Joints And Fractures
Materials
Ore mineralsChalcocite, Chalcopyrite, Chrysocolla, Malachite, Tenorite
GangueChlorite, Quartz
Geology
Host rockMonzonite,Diorite
Associated rockMonzonite,Hornblendite,Dacite,Andesite · Oracle Granite;North Star Monzonite (Johnson, 1981)
StructureNw Trending Fault Forms Valley S Of Mine, Other Adits Also Along This Fault Zone
AlterationSupergene Hematite After Pyrite, Probable Supergene Chrysocolla
Economic & production
Development statusPast Producer
First production1949
Last production1970
Identification
Deposit ID10046294
MRDS IDM241192
Alternate namesLula, Randall Copper Properties, Cora
RegionNA
Data scoreB
Coordinates32.82538, -111.3432
References
ABGMT-USBM FILE DATAADMR NORTH STAR FILEUSGS MF-778, 1978JOHNSON, GARY S., 1981 THE GEOLOGY AND GEOCHRONOLGY OF THE NORTHERN PICACHO MOUNTAINS, PINAL COUNTY, ARIZONA. UNIV. OF ARIZONA M.S. THESIS.PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.CIMRI