Grass Valley District

The Grass Valley District is a tungsten and gold mine located in Nevada county, California.

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: Grass Valley District  

State:  California

County:  Nevada

Elevation:

Primary Mineral: Tungsten, Gold

Lat, Long: 39.2167, -121.03330

Map: View on Google Maps


Satelite image of the Grass Valley District

Grass Valley District MRDS details

Site Name

Primary: Grass Valley District


Commodity

Primary: Tungsten
Primary: Gold


Location

State: California
County: Nevada
District: GRASS VALLEY DISTRICT


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: District
Operation Category: Producer
Deposit Type: GOLD QUARTZ VEINS
Operation Type: Unknown
Year First Production: 1915
Years of Production:
Organization:
Significant:


Physiography

Not available


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Description: SIERRA NEVADA BATHOLITH


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Not available


Comments

Not available


References

Reference (Deposit): LEMMON, D.M., UNPUBLISHED DATA.

Reference (Deposit): LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S., USGS MAP, MR-25.

Reference (Deposit): FARMIN, ROLLIN, 1941, OCCURENCE OF SCHEELITE IN THE IDAHO-MARYLAND MINES, CALIF. JOUR. MINES AND GEOL., VOL.37, NO.2, P.224.

Reference (Deposit): JOHNSTONE, W.D., 1940, THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIF.: USGS PROF. PAPER 194, P.43, 89, 97-98.