Western Nevada

The Western Nevada is a copper mine located in Lyon county, Nevada at an elevation of 5,699 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: Western Nevada

State:  Nevada

County:  Lyon

Elevation: 5,699 Feet (1,737 Meters)

Commodity: Copper

Lat, Long: 38.9375, -119.22972

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 Western Nevada

Western Nevada MRDS details

Site Name

Primary: Western Nevada
Secondary: Dyer Mine


Commodity

Primary: Copper
Secondary: Silver
Secondary: Gold


Location

State: Nevada
County: Lyon
District: Yerington


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: Surface/Underground


Ownership

Not available


Production

Year: 1945
Time Period: 1944 - 1945
Material type: CU
Description: Cp_Grade: ^2 - 3 Percent Cu


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
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

Model Name: Skarn Cu


Orebody

Form: IRREGULAR SHOOTS AND PODS


Structure

Type: R
Description: Yerington Batholith


Alterations

Alteration Type: L
Alteration Text: Shallow Oxidation, Albitic, Sericitic, Propylitic


Rocks

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

Name: Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic


Analytical Data

Not available


Materials

Ore: Chalcopyrite
Ore: Pyrite
Ore: Chrysocolla
Gangue: Epidote
Gangue: Calcite


Comments

Comment (Workings): SEVERAL ADITS

Comment (Deposit): IN A FRINGE POSITION RELATIVE TO THE ANDRADITE - CHALCOPYRITE SKARNS WITH MANY SIMILAR CHARACTERISTICS AS THE MASON VALLEY MINE. REFER TO RECORD NO. M035865

Comment (Production): EARLY PRODUCTION SMALL. LATER PROD. CREDITED TO NEVADA DOUGLAS CONSOLIDATED COPPER CO.

Comment (Location): 2 1/4 MI W - SW OF MASON, NEV.


References

Reference (Deposit): EINAUDI, M. T., 1977 , PETROSENISIS OF THE COPPER BEARING SKARN OF THE MASON VALLEY MINE, YERINGTON, NEV., ECON. GEOL. VOL. 72 NO. 5 .

Reference (Deposit): KNOPF, A., 1918 , GEOLOGY AND ORE DEPOSITS OF THE YERINGTON DISTRICT, NEV., USGS PROF. PAPER 117 .


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.