The San Juan Mine is a copper mine located in Graham county, Arizona at an elevation of 4,160 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: 4,160 Feet (1,268 Meters)
Commodity: Copper
Lat, Long: 32.94583, -109.65222
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.
San Juan Mine MRDS details
Site Name
Primary: San Juan Mine
Secondary: Peacock
Commodity
Primary: Copper
Secondary: Gold
Secondary: Silver
Tertiary: Molybdenum
Location
State: Arizona
County: Graham
District: Lone Star District (Safford, San Juan)
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Gila Valley Copper Co. (-, Federal Mining Co. , Gila Valley Copper Co. 1909
Years: 1905 - 1905
Owner Name: Gila Mountain Copper Co. ), San Juan Copper Co. (-, Atlas Copper Co.
Years: 1909 - 1917
Production
Year: 1976
Time Period: 1973-1976
Deposit
Record Type: Deposit
Operation Category: Past Producer
Deposit Type: Hydrothermal Stockwork
Operation Type: Surface-Underground
Years of Production:
Organization:
Significant: Y
Deposit Size: M
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland
Mineral Deposit Model
Model Name: Porphyry Cu
Model Name: Porphyry Cu-Au
Orebody
Form: IRREGULAR
Structure
Type: L
Description: San Juan Shear Zone 3000 Ft Wide, 9-10,000 Ft Long, Strike N50-65e And Intersecting Shears
Alterations
Alteration Type: L
Alteration Text: Potassic, Phyllic, Argillic, And Propylitic In Zones Out From Stock
Rocks
Name: Quartz Monzonite
Role: Host
Age Type: Host Rock
Age Young: Eocene
Name: Quartz Monzonite
Role: Host
Age Type: Host Rock Unit
Age Young: Eocene
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Tenorite
Ore: Cuprite
Ore: Brochantite
Ore: Chalcocite
Ore: Chrysocolla
Ore: Malachite
Ore: Molybdenite
Ore: Antlerite
Gangue: Limonite
Gangue: Quartz
Gangue: Jarosite
Gangue: Chlorite
Gangue: Sericite
Gangue: Hematite
Gangue: Magnetite
Gangue: Pyrite
Gangue: Epidote
Comments
Comment (Development): A 50 Tpd Concentration Mill Built On San Juan Claim 1906 By Gila Valley Copper Co. Began Shipping Concentrates To Old Dominion Smelter At Globe In 1906. Late Acquisition By Major Mining Co. (Phelps Dodge, 1992) Due To Difficulties In Dealing With Property Owners.
Comment (Workings): Development Includes 130, 325, And 425 Ft Shafts And 90, 100, And 300 Ft Tunnels.
Comment (Identification): ******SEE Associated Deposits: Dos Pobres Mine- Deposit ID 10096999 Lone Star- Deposit ID 10209543 Sanchez Copper Deposit- Deposit ID 10026888 Safford Mine- Deposit ID 10400314 Safford Deposit- Deposit ID 10027031
References
Reference (Deposit): Dunn, 1978, Az. Geol. Soc. Digest, V. 11, P. 9-15.
Reference (Geology): The Porter GeoConsultancy webpage for Dos Pobres, Safford contains a description of the geology as of 8/4/2010. http://www.portergeo.com.au/
URL: http://www.portergeo.com.au
Reference (Deposit): Blake, 1971, M.S. Thesis, Univ. Of Az., 85 P.
Reference (Deposit): Greeley, 1978, Az. Dept. Min. Res., Spec. Rept. No 2, P. 83-87.
Reference (Deposit): Horsnail, 1978, Jour. Geochem. Expl., V. 9, Nos. 2-3, P. 241-243.
Reference (Production): Abm File Data
Reference (Other Database): Cimri
Reference (Reserve-Resource): Greeley, 1978, P.87; Keith, Unpub. Data Abm; Robinson And Cook, 1966.
Reference (Deposit): Robinson, R.F., And Cook, A., 1966, Safford Copper Deposit, Lone Star Mining District, Graham Co., Arizona, In Titley, S.R. And Hicks, C., Geology Of The Porphyry Copper Deposits, Southwestern North America: Tucson, University Of Arizona Press, P. 251-266.
Reference (Development): Metals Economics Group (MEG) Safford webpage contains information about the San Juan deposit as of 8/4/2010. http://www.metalseconomics.com/
URL: http://www.metalseconomics.com/
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.
