The Free Coinage Mine is a manganese, silver, and gold mine located in Cochise county, Arizona at an elevation of 4,475 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: 4,475 Feet (1,364 Meters)
Commodity: Manganese, Silver, Gold
Lat, Long: 31.70111, -110.10333
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.
Free Coinage Mine MRDS details
Site Name
Primary: Free Coinage Mine
Commodity
Primary: Manganese
Primary: Silver
Primary: Gold
Location
State: Arizona
County: Cochise
District: Tombstone District
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
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1920
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland
Mineral Deposit Model
Not available
Orebody
Form: SPOTTY
Structure
Type: L
Description: Fault Fissure
Alterations
Alteration Type: L
Alteration Text: Oxidized And Enriched Gold And Silver Mineralization
Rocks
Name: Latite
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Not available
Comments
Comment (Production): ABGMT-USBM PRODUCTION FIGURES INCLUDE AT LEAST SOME DATA FROM MERRIMAC MINE TO NORTH
Comment (Location): S CENTRAL SEC 9, N CENTRAL SEC 16, UTM EST, ABOUT 500 FT SOUTH OF MERRIMAC ADITS
Comment (Development): OPERATORS INCLUDED FREE COINAGE LEASE, G.E. VAUGHN, TOM BRANDT
Comment (Deposit): MINERALIZATION ALONG A FAULT FISSURE IN QUARTZ-LATITE PORPHYRY
Comment (Workings): 2 SHAFTS AND SURFACE WORKINGS
Comment (Geology): LARAMIDE
References
Reference (Deposit): MARVIN, STERN, CREASEY, AND MEHNERT, 1973, USGS BULL 1379
Reference (Production): KEITH, 1973, ARIZ BUR OF MINES BULL 187.
Reference (Deposit): KEITH, S B, 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P 75.
Reference (Deposit): ABM BULL 143, 1938
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.
