The Muheim - Grafen Mine is a copper and silver mine located in Pima county, Arizona at an elevation of 5,039 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: 5,039 Feet (1,536 Meters)
Commodity: Copper, Silver
Lat, Long: 31.83028, -110.74944
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.
Muheim - Grafen Mine MRDS details
Site Name
Primary: Muheim - Grafen Mine
Commodity
Primary: Copper
Primary: Silver
Secondary: Gold
Secondary: Zinc
Location
State: Arizona
County: Pima
District: Helvetia - Rosemont 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: Coronado National Forest
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Year: 1960
Material type: ORE
Description: Ap_Grade: ^3.5 % Cu, 2 Oz Ag/Ton
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1960
Year Last Production: 1960
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
Form: IRREGULAR, LENTICULAR
Structure
Not available
Alterations
Not available
Rocks
Name: Quartz Latite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Quartz Latite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cretaceous
Name: Quartz Latite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Not available
Comments
Comment (Development): OPERATORS INCLUDED HENRY MUHEIM
Comment (Workings): SHAFT AND ADIT WORKINGS.
Comment (Geology): CRETACEOUS SEDIMENTS ARE UNDIVIDED (CONGLOMERATE, GRAYWACKE, SHALE, ARKOSE)
References
Reference (Deposit): KEITH, S.B., 1974, INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189, P. 127
Reference (Production): ABM BULLETIN 189 , P. 127 .
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.
