The Loma De Manganese Mine is a copper, manganese, and silver mine located in Santa Cruz county, Arizona at an elevation of 4,400 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: 4,400 Feet (1,341 Meters)
Commodity: Copper, Manganese, Silver
Lat, Long: 31.44944, -111.26889
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.
Loma De Manganese Mine MRDS details
Site Name
Primary: Loma De Manganese Mine
Commodity
Primary: Copper
Primary: Manganese
Primary: Silver
Location
State: Arizona
County: Santa Cruz
District: Oro Blanco 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.
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: Edward A. Sheeney
Owner Name: Frank Otero And E. M. Hunter
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1953
Discovery Method: Unknown
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/LENS
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Py-Gossan
Rocks
Name: Rhyolite
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Ore: Pyrolusite
Ore: Psilomelane
Comments
Comment (Production): PRIOR TO 1953, SHIPMENTS OF HIGH GRADE COPPER - SILVER ORE HAD BEEN MADE FROM ADJACENT CLAIMS.
Comment (Deposit): DEPOSIT AT CONTACT OF COBRE RIDGE TUFF AND QUARTZ MONZONITE DIKE. ORE IN LENSES IN FISSURE ZONE, LITED IN STRIKE LENGTH TO 100 FT. HIGH GRADE LIMITED IN STRIKE LENGTH TO 50 FEET.
Comment (Workings): 1 SHAFT WITH 1 DRIFT AND IRREGULAR STOPES FROM DRIFT; ONE OPENCUT.
Comment (Location): MINE LOCATION GIVEN IN TEXT REFERENCE APPARENTLY IN ERROR BY ONE RANGE; ACCESS DIRECTIONS GIVEN INDICATE ABOVE LOCATION. INFO FROM LAND.ST :(1964)
References
Reference (Deposit): YEEND, WARREN, 1973.
Reference (Deposit): ABM BULL 191, P. 64.
Reference (Deposit): 1957 RECON USBM IC 799
Reference (Other Database): CIMRI
Reference (Production): USBM IC 7990
Reference (Deposit): FARNHAM, STEWART, AND DELONG, 1961, MANGANESE DEPOSITS OF ARIZONA: USBM IC 7990.
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.
