Mine detail: Chief Mine

Previously called ''

<< Back to the map

Location

Lat / long:

31.47431, -110.7454

Resource(M)

Primary:	Copper
Secondary:	Silver, Gold, Lead
Tertiary:	Manganese, Zinc
Ore:	Chalcocite, Chalcopyrite, Freibergite, Galena, Pyrite, Sphalerite
Gangue:	Hematite, Limonite
Orebody form:	STRINGERS
Discovery year:	1875

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer

Geology

Host type:	Rhyolite
Associated type:	Tuff,Volcanic Breccia (Agglomerate)
Structure:	General Structure Common To Regional Formations Is A Sheeting Which Dips 40 Nnw, N60e Trending Silexite Dike
Tectonic:	Alum Gulch Fault Block
Alteration processes:	Volcanics Locally Much Altered To Quartz, Sericite, Epidote, Pyrite, Carbonate, And Chlorite; Strongly Hornfelsed In Places

References

MRDS	M899936
DEP	10048349
Reference	{Deposit:: ARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA, CHIEF MINE}{Deposit:: USBM FILES, CHIEF}{Deposit:: SCHRADER, FRANK C., 1915, MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS, ARIZONA; USGS BULLETIN 582, P. 251}{Deposit:: ABGMT CLIPPINGS FILE, CHIEF MINE-PATAGONIA}{Deposit:: ABGMT FILES, STANTON B. KEITH}{Deposit:: SIMONS, FRANK S., 1974, GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA; USGS MAP I-762 (1:48000)}{Deposit:: SIMONS, FRANK S. 1972, MESOZOIC STRATIGRAPHY OF THE PATAGONIA MOUNTAINS AND ADJOINING AREAS, SANTA CRUZ COUNTY, ARIZONA; USGS PROFESSIONAL PAPER 658-E}{Deposit:: KARTCHNER, 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}
Reporter	Calder, Susan R.