Arizona · Santa Cruz County
Past Producer

Alta Mine

Santa Cruz County, Arizona, United States
LeadSilverCopperGoldZincFluorine-Fluorite
⌖ Show on mapUSGS source ↗
Commodities
PrimaryLead, Silver
SecondaryCopper, Gold, Zinc
TertiaryFluorine-Fluorite
Commodity typeB
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formTABULAR
Ore controlHanging-Wall Side Of Rhyolite Dike And Adjoining Portion Of Wall-Rock Diorite
Materials
Ore mineralsChalcopyrite, Embolite, Malachite, Pyrargyrite, Pyrite, Specularite
GangueLimonite
Geology
Host rockDiorite
Structure300-400 Ft Thick Lava Flows Of Hardshell-Hardshaw Creek Area, Normal Faulting; Slickensides Indicate Post-Vein Movement
Tectonic settingCorral Canyon Fault Block; Downthrow To Sw (Simons, F.S.,1974)
AlterationQuartz-Fluorite Gouge Replaces Rhyolite; Surface Oxidation To Unknown Depths
Economic & production
Development statusPast Producer
First production1877
Last production1952
Discovery year1875
Identification
Deposit ID10048359
MRDS IDM899948
RegionNA
Data scoreB
Coordinates31.46125, -110.71845
References
SCHRADER, FRANK C.,1915, MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS, ARIZONA: USGS BULLETIN 582, P. 264-265.KEITH, STANTON B., 1975, INDEX OF MINING AND PROPERTIES IN SANTA CRUZ COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 191, P. 56.ABGMT FILE DATA, STANTON B. KEITH.MOORES, RICHARD C., 1972, THE GEOLOGY AND ORE DEPOSITS OF APORTION OF THE HARSHAW DISTRICT, SANTA CRUZ COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, P. 73.SIMONS, FRANK S., 1974, GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA: USGS MAP I-762, SCALE 1:48000.SIMONS, FRANK S., 1972, MESOZOIC STRATIGRAPHY OF THE PATAGONIA MOUNTAINS AND ADJOINING AREAS, SANTA CRUZ COUNTY, ARIZONA: USGS PROFESSIONAL PAPER 658-E.USBM FILES, ALTA MINE.PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.CIMRI