The No. 4 Claim is a manganese mine located in Cochise county, Arizona at an elevation of 5,801 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: 5,801 Feet (1,768 Meters)
Commodity: Manganese
Lat, Long: 31.41944, -109.91417
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.
No. 4 Claim MRDS details
Site Name
Primary: No. 4 Claim
Commodity
Primary: Manganese
Secondary: Copper
Tertiary: Silver
Location
State: Arizona
County: Cochise
District: Warren 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: Unknown
Ownership
Owner Name: Phelps Dodge Corp.
Owner Name: Phelps Dodge Corp
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1918
Year Last Production: 1921
Discovery Method: Ore-Mineral In Place
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: R
Description: Pre-Mineralization Faulting And Tilting Common
Type: L
Description: Main Fault Directions, N10w To N40e, S30w To N50w, Pre-Mineralization
Alterations
Alteration Type: L
Alteration Text: Gossan With Mn And Fe Oxides Induced By Hydrothermal Metamorphism
Rocks
Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age in Years: 170.500000+-7.500000
Age Young: Jurassic
Analytical Data
Not available
Materials
Ore: Chalcocite
Ore: Chalcopyrite
Ore: Bornite
Ore: Psilomelane
Gangue: Calcite
Gangue: Pyrite
Comments
Comment (Production): PRODUCTION UNDER PHELPS DODGE CORP
Comment (Development): NO. 4 CLAIM IS ON THE SW SLOPE OF ESCABROSA RIDGE, THE DEPOSIT RUNS NORTHWARD INTO THE SUMMIT CLAIM OF THE CALUMET AND ARIZONA MINING CO.
Comment (Deposit): HARD MANGANESE OXIDE IN IRREGULAR PODS AND PIPES ALONG A FRACTURE AND BRECCIA ZONE IN LIMESTONE
Comment (Workings): OPEN CUT FOLLOWS THE ZONE NORTHWARD 125 FT, IS 10-20 FT WIDE AND REACHES A DEPTH OF ABOUT 45 FT AT THE FACE. NEAR THE FACE, AN UNDERHAND STOPE EXTENDED NORTHWARD ALONG THE ZONE AN EXTRA 50 TO 60 FT. THE STOPE REACHED A MAX DEPTH OF 20 FT OR MORE BELOW THE OPEN CUT FLOOR
Comment (Geology): IRREGULAR PRONGS OF ORE EXTEND INTO THE LIMESTONE ON EACH SIDE OF THE ORE ZONE. SOME FOLLOW BEDDING PLANES, AND OTHERS CUT ACROSS THE BEDS
References
Reference (Deposit): FARNHAM, 1961, USBM IC 7990, P. 11
Reference (Production): KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.
Reference (Deposit): KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 89.
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.
