The Alpha Mine is a copper and silver mine located in Pima county, Arizona at an elevation of 3,652 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 3,652 Feet (1,113 Meters)
Commodity: Copper, Silver
Lat, Long: 31.94778, -111.10028
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Alpha Mine MRDS details
Site Name
Primary: Alpha Mine
Secondary: Pima and Fries Groups
Commodity
Primary: Copper
Primary: Silver
Secondary: Zinc
Secondary: Lead
Secondary: Gold
Location
State: Arizona
County: Pima
District: Pima District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Pima Mining Co.
Years: 1954 -
Production
Year: 1954
Time Period: 1876 - 1954
Material type: ORE
Description: Cp_Grade: ^6 % Cu, 1 Oz Ag/Ton, Minor Pb, Au
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1876
Year Last Production: 1954
Discovery Year: 1876
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Sonoran Desert
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: Sedimentary Breccia Is Cut By Ruby Fault On Top Of The San Xavier Thrust. Quartz Monzonite Is Copped By Quartzite And Breccia
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Gold
Ore: Pyrite
Comments
Comment (Workings): MAJOR DRIFTS AND HIGHEST GRADES ON 150 AND 200 FT LEVELS
Comment (Location): SE 1/4 SECTION 15 .
Comment (Production): PRODUCED SPORADICALLY.
Comment (Development): OPERATED BY ALPHA COPPER MINING CO, 1917 AND 1918
References
Reference (Deposit): KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 133 .
Reference (Deposit): MAYUGA, M. N., 1942 , THE GEOLOGY AND ORE DEPOSITS OF THE HELMET PEAK AREA, PIMA COUNTY, ARIZONA: UNIV. ARIZ., PHD THESIS, P. 119 .
Reference (Deposit): ABGMT CLIPPINGS FILE
Reference (Production): ( 8 ) ABM BULLETIN 189 , P. 133 .
Arizona Gold
"Where to Find Gold in Arizona" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more: Where to Find Gold in Arizona.
