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
Elevation: 2,598 Feet (792 Meters)
Commodity: Gold
Lat, Long: 39.21333, -121.03778
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.
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
California Gold
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.
