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
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.
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
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.