Empire West

The Empire West is a gold mine located in Nevada county, California at an elevation of 2,300 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: Empire West  

State:  California

County:  Nevada

Elevation: 2,300 Feet (701 Meters)

Primary Mineral: Gold

Lat, Long: 39.19222, -121.06333

Map: View on Google Maps

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Satelite image of the Empire West

Empire West MRDS details

Site Name

Primary: Empire West


Commodity

Primary: Gold
Secondary: Silver
Secondary: Lead


Location

State: California
County: Nevada
District: Grass Valley


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada


Mineral Deposit Model

Not available


Orebody

Form: MASSIVE, RIBBON & SHEARED


Structure

Type: L
Description: To Nw, Vein In Fracture Zone


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Pyrite
Ore: Gold
Ore: Galena
Gangue: Quartz


Comments

Comment (Location): UTM EST. - NE 1/4 3 NW 1/4 2

Comment (Production): PRODUCTION 1857 - 1867 FROM LONE JACK, 1879 - 1906 FROM OMAHA. 1890 - 1899 FROM OMAHA CONS., 1892 - 1900 FROM MENLO. 1857 - 1917 TOTAL PRODUCTION TO DATE OF REFERENCE. CON. AVG. $350 - $460 . AVG. VALUE OF ORE FROM STOPES ON UPPER LEVELS $20 - $30/TON.

Comment (Deposit): 3 VEINS AVG. 1 FT. THICK W/3 - 4 % SULFIDES

Comment (Workings): SHAFTS, EXTENSIVE DRIFTING, STOPES

Comment (Deposit): CONS. OF OMAHA, LONE JACK, ILLINOIS, HOMEWARD BOUND & MENLO (WISCONSIN). ; INFO.SRC : 1 PUB LIT


References

Reference (Deposit): MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 162 - 163 .

Reference (Deposit): JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 79 - 82 .

Reference (Production): MACBOYLE ( 1918 )