Unknown No. 2 Claim

The Unknown No. 2 Claim is a manganese mine located in Cochise county, Arizona at an elevation of 5,479 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

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.

Site Name

Primary: Unknown No. 2 Claim

Commodity

Primary: Manganese

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

Not available

Ownership

Owner Name: Calumet And Arizona Mining Co., Phelps Dodge Corp

Owner Name: Calument And Arizona Mng. Co., Phelps Dodge Corp.

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
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: VEINS

Structure

Not available

Alterations

Not available

Rocks

Name: Limestone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Permian

Analytical Data

Not available

Materials

Not available

Comments

Comment (Deposit): DISCONNECTED BODIES OF HARD MANGANESE OXIDES AND MANGANIFEROUS CALCITE ALONG FISSURE ZONES CUTTING LIMESTONE. ORE BODIES RANGE FROM 2 TO 8 FT IN WIDTH AND FROM 20 TO 150 FT LONG. VERY LOW GRADE

Comment (Workings): THREE OPEN CUTS AND A SHORT ADIT. LARGEST OPEN CUT WAS ABOUT 150 FT LONG, 5 TO 8 FT SIDE, AND 10 FT DEEP. DRIFTS RUN 20 FT SOUTH AND 16 FT NORTH ON THE SECOND OPEN CUT WHICH WAS 15 FT DEEP AND 50 FT LONG. 2 TO 4 FT OF MANGANESE MINERALIZATION IS EXPOSED IN THE FACES OF THE DRIFTS

Comment (Location): S. CENTRAL SEC. 16 UTM EST.

Comment (Production): PRODUCTION INCLUDED UNDER CALUMET AND ARIZONA MINING CO. IN ABGMT-USBM FILE

References

Reference (Deposit): KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 90

Reference (Deposit): FARNHAM, 1961, USBM IC 7990, P. 22

Reference (Production): KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.

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.