The Pontiac Mine is a manganese and copper mine located in Gila county, Arizona at an elevation of 4,075 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: 4,075 Feet (1,242 Meters)
Commodity: Manganese, Copper
Lat, Long: 33.435, -110.75917
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.
Pontiac Mine MRDS details
Site Name
Primary: Pontiac Mine
Commodity
Primary: Manganese
Primary: Copper
Secondary: Silver
Secondary: Gold
Location
State: Arizona
County: Gila
District: Globe Hills 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
Type: Surface
Ownership
Owner Name: Miami Copper Co.
Years: 1961 -
Production
Year: 1955
Material type: MN
Description: Ap_Grade: ^29.6% Mn
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1954
Year Last Production: 1954
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
Structure
Type: L
Description: Ne Trending North Vein, Near Intersection With Nw Trending Mcgaw Fault.
Alterations
Not available
Rocks
Name: Diabase
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Diabase
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Diabase
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Pyrolusite
Ore: Wad
Ore: Psilomelane
Gangue: Quartz
Gangue: Calcite
Comments
Comment (Development): ORIGINALLY ONE OF THE CLAIMS OWNED BY THE ARIZONA COMMERCIAL MINING CO.; PREVIOUS OPERATORS INCLUDE J.B.NORRIS, L.W.RACINE, A.R.BROCKWAY; MN WAS MINED ONLY IN 1954
Comment (Workings): THE MORE PROMISING OUTCROPS ALONG THE ZONE HAD BEEN EXPLORED BY SHALLOW SCATTERED OPENCUTS AND SOME BULLDOZER STRIPPING.
Comment (Deposit): THE PONTIAC CLAIM IS A MEMBER OF A LARGE GROUP OF PATENTED CLAIMS PRESENTLY OWNED BY MIAMI COPPER COMPANY. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Comment (Location): INFO FROM LAND.ST :(1979)
References
Reference (Deposit): FARNHAM, L. L., STEWART, L. A., DELONG, C. W., 1961 , MANGANESE DEPOSITS OF EASTERN ARIZONA: USBM INFORMATION CIRCULAR 7990 , P. 69 .
Reference (Deposit): ABGMT-USBM FILE DATA
Reference (Deposit): USGS PP 342, 1962, PLATE I
Reference (Production): USB OF MIC 7990 , P. 69
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.
