The Last Chance Mine is a manganese mine located in Gila county, Arizona at an elevation of 4,678 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: 4,678 Feet (1,426 Meters)
Commodity: Manganese
Lat, Long: 33.46389, -110.77778
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.
Last Chance Mine MRDS details
Site Name
Primary: Last Chance Mine
Secondary: Lillian
Commodity
Primary: Manganese
Tertiary: Silver
Location
State: Arizona
County: Gila
District: Globe Hills District
Land Status
Land ownership: National Forest
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.
Administrative Organization: Tonto National Forest
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: Henderson, Charles C.
Years: 1954 - 1961
Production
Year: 1955
Material type: MN
Description: Ap_Grade: ^30.4 % Mn
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Year Last Production: 1955
Discovery Year: 1875
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: IRREGULAR PODS
Structure
Not available
Alterations
Not available
Rocks
Name: Diabase
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Pyrolusite
Ore: Psilomelane
Comments
Comment (Workings): A FEW SMALL STOPES EXTENDED SHORT DISTANCES ABOVE THE BACK OF THE ADIT. ADDITIONAL WORK CONSISTED OF A FEW SHALLOW CUTS ALONG THE SURFACE SOUTHWEST OF THE PORTAL OF THE ADIT.
Comment (Location): TONTO NATIONAL FOREST
Comment (Development): CLAIMS HELD BY CHARLES CAMPBELL (1942)
References
Reference (Deposit): FARNHAM, L.L., STEWART, L.A., AND DELONG, C.W., 1961, MANGANESE DEPOSITS OF EASTERN ARIZONA: USBM INFORMATION CIRCULAR 7990
Reference (Production): USBM INFORMATION CIRCULAR 7990 , P. 68
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.
