Union Hill Mines

The Union Hill Mines is a silver and lead mine located in Eureka county, Nevada.

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: Union Hill Mines  

State:  Nevada

County:  Eureka

Elevation:

Commodity: Silver, Lead

Lat, Long: 40.16667, -116.02194

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 Union Hill Mines

Union Hill Mines MRDS details

Site Name

Primary: Union Hill Mines
Secondary: Bell Mine


Commodity

Primary: Silver
Primary: Lead
Tertiary: Copper
Tertiary: Gold


Location

State: Nevada
County: Eureka
District: Union 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: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1887
Discovery Year: 1887
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: IRREGULAR


Structure

Type: R
Description: Roberts Mountain Thrust

Type: L
Description: North And East Trending Fracture Zones


Alterations

Not available


Rocks

Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Late Devonian

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


Analytical Data

Not available


Materials

Not available


Comments

Comment (Production): A LITTLE OVER $200,000. WORTH, ESTIMATED, TOTAL SINCE 1887

Comment (Workings): 4 SHAFTS & OTHER WORKINGS

Comment (Development): WORKED INTERMITTENTLY SINCE 1887. VIRTUALLY ALL ORE SHIPPED WAS FROM THE OXIDIZED ZONE

Comment (Deposit): REPLACEMENT BODIES AT INTERSECTIONS OF FRACTURE ZONES WITH LIMESTONE HORIZONS.

Comment (Geology): THE AREA IS UNDER LAIN BY CHERT AND SHALE OF THE OVERTHRUST. VININI FORMATION. THE ORE DEPOSITS OCCUR IN THE LOWER PLATE DEVONIAN LIMESTONE IN AND NEAR NORTH AND EAST TRENDING FRACTURE ZONES, AS IRREGULAR REPLACEMENT BODIES (ROBERTS, P. 111)

Comment (Deposit): THE PROPERTY IS DEVELOPED BY 4 SHAFTS (THE RYEGRASS, BELL AND NORTHSTAR) AND 4,000 FEET OF OTHER WORKINGS. WORKED INTERMITTENTLY SINCE 1887, TOTAL PRODUCTION HAS PROBABLY BEEN A LITTLE MORE THAN $200,000. VIRTUALLY ALL THE ORE SHIPPED WAS FROM THE ZONE OF OXIDATION AND AVERAGED 25% PB, 12 OZ/R AG. (VANDERBURG P.65) ; INFO.SRC : 1 PUB LIT


References

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

Reference (Deposit): USBM (WINNEMUCCA) MILS NO. 32, REFERENCE NO. 3201100014

Reference (Deposit): VANDERBURG W.O. (1938) RECONNAISSANCE OF MINING DISTRICTS IS EUREKA CO., USBM I.C. 7022

Reference (Production): ROBERTS, R.J. ET AL., (1967)


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.