The Spragg Mine is a copper mine located in Lyon county, Nevada at an elevation of 5,561 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: 5,561 Feet (1,695 Meters)
Commodity: Copper
Lat, Long: 38.95194, -119.22833
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.
Spragg Mine MRDS details
Site Name
Primary: Spragg Mine
Secondary: Mason Valley Mines
Commodity
Primary: Copper
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
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Structure
Type: L
Description: Numerous Faults
Alterations
Not available
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Comments
Comment (Workings): NUMEROUS SURFACE PITS AND MULTI-LEVEL ADITS ON CLAIMS TOTALLY 156 ACRES.
Comment (Location): JUST SOUTH OF THE BLUESTONE, COMPRISING 156 ACRES
Comment (Production): PRODUCTION CREDITED TO MASON VALLEY MINES (RECORD NO. M035865) AVE. GRADE 4 TO 27 PERCENT CU
Comment (Deposit): REFER TO RECORD NO. M035865
References
Reference (Deposit): MARCH 16 , 1907 , MINING AND SCIENTIFIC PRESS, P. 349
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.
