Cowboy Mine

The Cowboy Mine is a tungsten mine located in Lyon county, Nevada at an elevation of 7,211 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: Cowboy Mine

Commodity

Primary: Tungsten
Secondary: Lead
Secondary: Silver

Location

State: Nevada
County: Lyon
District: Wilson 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

Not available

Production

Year: 1943
Time Period: 1941 - 1943

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1941
Discovery Year: 1941
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

Not available

Mineral Deposit Model

Model Name: W skarn

Orebody

Form: IRREGULAR

Structure

Not available

Alterations

Not available

Rocks

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic

Analytical Data

Analytical Data: ORE AVERAGED 0.5% WO3

Materials

Ore: Scheelite
Ore: Powellite
Gangue: Calcite
Gangue: Epidote
Gangue: Quartz
Gangue: Garnet

Comments

Comment (Workings): 3 ADITS, DRIFTS, WINZE, CUTS, PITS

Comment (Geology): THE MINE IS LOCATED IN A HOOK-SHAPED METAMORPHIC SEPTUM SURROUNDED BY GRANITIC INTRUSIONS. SCHEELITE OCCURS FINELY DISSEMINATED AND AS MEDIUM & LARGE CRYSTALS & CRYSTAL CLUSTERS IN TACTITE IRREGULARLY DEVELOPED IN A FAIRLY CONTINUOUS BAND OF MARBLE 25 TO 75 FT WIDE.

Comment (Deposit): IN 1941, 10 TONS OF ORE WERE SHIPPED; IN 1943, 112 TONS AVERAGING 0.79% WO3. DURING 1963, THE MINE PRODUCED SOME LEAD ORE WHICH CONTAINED RECOVERABLE PB AND AG. DEVELOPMENT INCLUDES 3 ADITS, DRIFTS, A 30-FT INCLINED WINZE, NUMEROUS SMALL CUTS AND PITS. ; INFO.SRC : 1 PUB LIT

Comment (Location): WEST FLANK OF PINE GROVE HILLS

Comment (Production): ORE AVERAGED 0.5% WO3

Comment (Development): 10 TONS ORE PRODUCED IN 1941, 112 TONS IN 1943; SOME PB-AG ORE IN 1963

Comment (Deposit): CONTACT ZONE

References

Reference (Deposit): MOORE, 1969, GEOLOGY AND MINERAL DEPOSITS OF LYON, DOUGLAS, & ORMSBY COUNTIES, NEVADA; NBMG BULL. 75

Reference (Deposit): JOHNSON & BENSON, 1963, TUNGSTEN RESOURCES IN NEVADA; USBM

Reference (Deposit): STODDARD & CARPENTER, 1950, MINERAL RESOURCES OF STOREY & LYON COUNTIES, NEVADA; NBMG BULL. 49

Reference (Production): MOORE, 1969

Nevada Gold

Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.