Mine detail: Aztec Mine Group

Previously called 'Andes Group'

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Location

Lat / long:

31.51014, -110.74985

Resource(M)

Primary:	Copper
Tertiary:	Gold, Silver
Ore:	Bornite, Chalcocite, Chalcopyrite, Malachite, Pyrite
Gangue:	Feldspar, Limonite, Muscovite, Quartz
Orebody form:	LENSES
Discovery year:	1925

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Producer
First production started:	1916

Geology

Host type:	Rhyolite
Associated type:	Volcanic Rock (Aphanitic),Andesite
Structure:	E-W And N-S Trending Faults, Thick-Bedded Very Fine-Grained Volcanics Associated With Red Mountain
Tectonic:	Red Mountain Fault Block; Downthrow To North
Alteration processes:	Highly Altered Rhyolite; Surface Oxidation To Unknown Depths

References

MRDS	M899945
DEP	10048354
Reference	{Deposit:: SCHRADER, FRANK C., 1915, MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS, ARIZONA; USGS BULLETIN 582, P. 264-265}{Deposit:: MOORES, RICHARD C., 1972, THE GEOLOGY AND ORE DEPOSITS OF A PORTION OF THE HARSHAW DISTRICT, SANTA CRUZ COUNTY, ARIZONA; M.S. THESIS, UNIVERSITY OF ARIZONA}{Deposit:: SIMONS, FRANK S., 1972, MESOZOIC STRATIGRAPHY OF THE PATAGONIA MOUNTAINS AND ADJOINING AREAS, SANTA CRUZ COUNTY, ARIZONA; USGS PROFESSIONAL PAPER 658-E, P.22}{Deposit:: ABGMT FILES, STANTON B. KEITH}{Deposit:: KEITH, STANTON B., 1975, INDEX OF MINING PROPERTIES IN SANTA CRUZ COUNTY, ARIZONA; ARIZONA BUREAU OF MINES BULLETIN 191, P. 56}{Deposit:: ABGMT CLIPPINGS FILE, ANDES MINE-RED MOUNTAIN}{Deposit:: TENNEY, JAMES B., 1927-1929, HISTORY OF MINING IN ARIZONA; ARIZONA BUREAU OF MINES, P. 313}{Deposit:: USBM FILES, AZTEC MINE GROUP}
Reporter	Calder, Susan R.