Keystone Mine

The Keystone Mine is a lead, gold, silver, and copper mine located in Mohave county, Arizona at an elevation of 4,377 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

Name: Keystone Mine  

State:  Arizona

County:  Mohave

Elevation: 4,377 Feet (1,334 Meters)

Commodity: Lead, Gold, Silver, Copper

Lat, Long: 35.37639, -114.15194

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.


Satelite image of the Keystone Mine

Keystone Mine MRDS details

Site Name

Primary: Keystone Mine


Commodity

Primary: Lead
Primary: Gold
Primary: Silver
Primary: Copper
Secondary: Zinc
Tertiary: Molybdenum
Tertiary: Arsenic


Location

State: Arizona
County: Mohave
District: Wallapai District


Land Status

Land ownership: BLM Administrative Area
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: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year Last Production: 1940
Discovery Year: 1870
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: LENSES


Structure

Type: R
Description: Prec Schistosity N30e, Lcret Veins, Fissures, Dikes Nw To Nnw Regionally

Type: L
Description: Shistosity Trend N 65 E, 90 ; Secondary Sheeting N 20 W, 80 E


Alterations

Not available


Rocks

Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic


Analytical Data

Not available


Materials

Ore: Galena
Ore: Chalcopyrite
Ore: Sphalerite
Ore: Pyrite
Ore: Molybdenite
Gangue: Quartz


Comments

Comment (Development): 3 PATENTED CLAIMS, PREVIOUS OWNERS AND OPERATORS INCLUDE MINERAL PARK MINING CO, JAMES UNCAPHER, KEYSTONE MINING CO, H.K. WARD, ALPHA-KEYSTONE, L.L. ROBINSON

Comment (Deposit): VEIN SPLITS IN TWO AT NW END OF PROPERTY

Comment (Workings): SHAFT WITH LEVELS AT 150, 200, 300, AND 400 FT

Comment (Geology): MINERALIZATION ASSOCIATED WITH PORPHYRY INTRUSION, LCRET


References

Reference (Deposit): PRELIMINARY RECONNAISSANCE FOR URANIUM IN MOHAVE COUNTY, ARIZONA, 1952 TO 1956 ; U.S. ATOMIC ENERGY COMMISSION, RME - 158 , 1970 , P. 66

Reference (Deposit): USGS BULL 340, 1907, P. 65

Reference (Deposit): ABGMT-USBM FILE DATA

Reference (Deposit): ADMR FILE DATA

Reference (Production): U.S.G.S. BULL. 978 - E

Reference (Deposit): SCHRADER, F. C., 1909 , MINERAL DEPOSITS OF THE CERBAT RANGE, BLACK MOUNTAINS, AND THE GRAND WASH CLIFFS, MOHAVE COUNTY, ARIZONA: U.S.G.S. BULL. 397

Reference (Deposit): DINGS, M.G., 1951 , THE WALLAPAI MINING DISTRICT, CERBAT MOUNTAINS, MOHAVE COUNTY, ARIZONA: U.S.G.S. BULL. 978 - E


Arizona Gold

Where to Find Gold in Arizona

"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 at Where to Find Gold in Arizona.