Brunswick

The Brunswick is a gold mine located in Nevada county, California at an elevation of 2,598 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: Brunswick  

State:  California

County:  Nevada

Elevation: 2,598 Feet (792 Meters)

Primary Mineral: Gold

Lat, Long: 39.21333, -121.03778

Map: View on Google Maps


Satelite image of the Brunswick

Brunswick MRDS details

Site Name

Primary: Brunswick
Secondary: New Brunswick


Commodity

Primary: Gold
Secondary: Lead
Secondary: Copper
Secondary: Silver
Secondary: Zinc


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

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Pyrite
Ore: Galena
Ore: Sphalerite
Ore: Gold
Ore: Chalcopyrite
Gangue: Quartz


Comments

Comment (Location): UTM EST. SW 1/4

Comment (Deposit): VEIN, IDAHO - MARYLAND SYSTEM. FEW INCHES TO 5 FT. THICK, AVG. 2 FT.

Comment (Workings): 2 SHAFTS, 1250 & 1347 FT. DEEP, EXTENSIVE DRIFTING & STOPING

Comment (Deposit): 27 ACRES ; INFO.SRC : 1 PUB LIT

Comment (Production): SOME AU, AG PRODUCTION 1953 . IN 1917 ORES FROM UPPER LEVELS CONTAINED 1.6 % SULFIDES AVG. 1.64 OZ. AU/TON, FROM UPPER LEVELS 2.0 % SULFIDES, AVG. 2.8 OZ. AU/TON.


References

Reference (Deposit): MACBOYLE, E., 1919 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 124 - 128 .

Reference (Deposit): CRAWFORD, J. J., 1894 , REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 12 , P. 186 .

Reference (Deposit): JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 96 - 97 .

Reference (Deposit): MAURER, R. B., WALLA CE, R. E., 1956 , THE MINERAL INDUSTRY OF CALIFORNIA IN MINERALS YEARBOOK 1953 , VOLUME 3 , AREA REPORTS: US BUREAU OF MINES, P. 215 .

Reference (Production): MACBOYLE, 1919 ; JOHNSTON, 1940