Uncle Sam Tunnel

The Uncle Sam Tunnel is a silver, gold, and lead mine located in Eureka county, Nevada at an elevation of 7,799 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: Uncle Sam Tunnel

State:  Nevada

County:  Eureka

Elevation: 7,799 Feet (2,377 Meters)

Commodity: Silver, Gold, Lead

Lat, Long: 39.46694, -115.97250

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 Uncle Sam Tunnel

Uncle Sam Tunnel MRDS details

Site Name

Primary: Uncle Sam Tunnel


Commodity

Primary: Silver
Primary: Gold
Primary: Lead


Location

State: Nevada
County: Eureka
District: Eureka District


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1923
Discovery Year: 1922
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Basin And Mountains


Mineral Deposit Model

Not available


Orebody

Form: TABULAR TO IRREGULAR REPLACEMENT ORE BODIES


Structure

Type: L
Description: Abundant Ne Trending Faults & Shears


Alterations

Not available


Rocks

Name: Dolomite
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian

Name: Dolomite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cambrian


Analytical Data

Not available


Materials

Ore: Anglesite


Comments

Comment (Location): UTM PRECISION 500M

Comment (Deposit): FRACTURED PERMEABLE ZONES INTERSECTING FAVORABLE DEPOSITIONAL HORIZONS CAPPED BY SHALE.

Comment (Geology): THE ORE BODIES ARE LOCALLIZED IN STEEPLY DIPPING BEDS NEAR THE TOP OF THE FORMATION SUGGESTING THE ORE FLUIDS TRAVELED UP THE FRACTURED ROCK TO BE CAPPED BY THE DUNDERBERG SHALE. THE EASTWARD CONTINUATION OF THE DIAMOND TUNNEL THRUST IS PRESENT AT SHALLOW DEPTH AND MAY ALSO HAVE ACTED AS A CHANNEL WAY FOR THE ORE FLUIDS.

Comment (Deposit): 171 TONS OF ORE VALUED AT $6,521 WERE PRODUCED DURING 1922-23. THE PROPERTY IS LOCATED ALONG THE DUNDERBERG-WINDFALL BELT ONE OF FIVE MINERALIZED BLOCKS IN THE DISTRICT ; INFO.SRC : 1 PUB LIT


References

Reference (Deposit): ROBERTS, R.J., ET AL (1967) GEOLOGY & MINERAL RESOURCES OF EUREKA CO., NEV., NEV BUREAU OF MINES BULL 64

Reference (Deposit): U.S.B.M. (ELT) MILS NO. 112, REF. NO 3201100133

Reference (Deposit): NOLAN T.B. (1962) THE EUREKA MINING DISTRICT, USGS PROF PAPER 406


Nevada Gold

Gold Districts of Nevada

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.