Mine detail: Alta Mine

Previously called ''

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Location

Lat / long:

31.46125, -110.71845

Resource(B)

Primary:	Lead, Silver
Secondary:	Copper, Gold, Zinc
Tertiary:	Fluorine-Fluorite
Ore:	Chalcopyrite, Embolite, Malachite, Pyrargyrite, Pyrite, Specularite
Gangue:	Limonite
Orebody form:	TABULAR
Discovery year:	1875

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1877
Last production ended:	1952

Geology

Host type:	Diorite
Structure:	300-400 Ft Thick Lava Flows Of Hardshell-Hardshaw Creek Area, Normal Faulting; Slickensides Indicate Post-Vein Movement
Tectonic:	Corral Canyon Fault Block; Downthrow To Sw (Simons, F.S.,1974)
Alteration processes:	Quartz-Fluorite Gouge Replaces Rhyolite; Surface Oxidation To Unknown Depths

References

MRDS	M899948
DEP	10048359
Reference	{Deposit:: SCHRADER, FRANK C.,1915, MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS, ARIZONA: USGS BULLETIN 582, P. 264-265.}{Deposit:: KEITH, STANTON B., 1975, INDEX OF MINING AND PROPERTIES IN SANTA CRUZ COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 191, P. 56.}{Deposit:: ABGMT FILE DATA, STANTON B. KEITH.}{Deposit:: 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.}{Deposit:: 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.}{Deposit:: SIMONS, FRANK S., 1972, MESOZOIC STRATIGRAPHY OF THE PATAGONIA MOUNTAINS AND ADJOINING AREAS, SANTA CRUZ COUNTY, ARIZONA: USGS PROFESSIONAL PAPER 658-E.}{Deposit:: USBM FILES, ALTA MINE.}{Deposit:: PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.}{Other Database:: CIMRI}
Reporter	Calder, Susan R., Orris, Greta J.