Arizona · Santa Cruz County
Producer

Chief Mine

Santa Cruz County, Arizona, United States
CopperSilverGoldLeadManganeseZinc
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
SecondarySilver, Gold, Lead
TertiaryManganese, Zinc
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formSTRINGERS
Ore controlComplex System Of Fissure Veins, Including Nw-Trending Flux Vein And Ne-Trending World'S Fair Vein
Materials
Ore mineralsChalcocite, Chalcopyrite, Freibergite, Galena, Pyrite, Sphalerite
GangueHematite, Limonite
Geology
Host rockRhyolite
Associated rockTuff,Volcanic Breccia (Agglomerate)
StructureGeneral Structure Common To Regional Formations Is A Sheeting Which Dips 40 Nnw, N60e Trending Silexite Dike
Tectonic settingAlum Gulch Fault Block
AlterationVolcanics Locally Much Altered To Quartz, Sericite, Epidote, Pyrite, Carbonate, And Chlorite; Strongly Hornfelsed In Places
Economic & production
Development statusProducer
Discovery year1875
Identification
Deposit ID10048349
MRDS IDM899936
RegionNA
Data scoreB
Coordinates31.47431, -110.7454
References
ARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA, CHIEF MINEUSBM FILES, CHIEFSCHRADER, FRANK C., 1915, MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS, ARIZONA; USGS BULLETIN 582, P. 251ABGMT CLIPPINGS FILE, CHIEF MINE-PATAGONIAABGMT FILES, STANTON B. KEITHSIMONS, FRANK S., 1974, GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA; USGS MAP I-762 (1:48000)SIMONS, FRANK S. 1972, MESOZOIC STRATIGRAPHY OF THE PATAGONIA MOUNTAINS AND ADJOINING AREAS, SANTA CRUZ COUNTY, ARIZONA; USGS PROFESSIONAL PAPER 658-EKARTCHNER, WAYNE E., 1944, THE GEOLOGY AND ORE DEPOSITS OF A PORTION OF THE HARSHAW DISTRICT, PATAGONIA MOUNTAINS, ARIZONA; PHD. THESIS, UNIVERSITY OF ARIZONA, P. 91-92