Brunswick

Past Producer in Nevada county in California, United States with commodities Gold, Lead, Copper, Silver, Zinc
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10007407
MRDS ID C011234
Record type Site
Current site name Brunswick
Alternate or previous names New Brunswick
Related records 10164420

Geographic coordinates

Geographic coordinates: -121.03881, 39.21322 (WGS84)
Elevation 792
Relative position 2 MI. E GRASS VALLEY

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grass Valley(quadrangle 1:24,000 scale)

Yuba City(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Bear(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 016N 008E 25,36 California

Comments on the location information

  • UTM EST. SW 1/4

Commodities

Commodity Importance
Gold Primary
Lead Secondary
Copper Secondary
Silver Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Pyrite Ore
Sphalerite Ore
Quartz Gangue

Nearby scientific data

(1) -121.03881, 39.21322

Economic information

Ore body information

  • Strike N 50 W
    Dip 40 - 70 SW
    Thickness 1.52M
    Depth to top 0M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Grass Valley

Comments on the production information

  • 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.

Workings at the site

  • Type of workings Underground
    Length 1219.2M
    Overall depth 410.57M

Comments on the workings information

  • 2 SHAFTS, 1250 & 1347 FT. DEEP, EXTENSIVE DRIFTING & STOPING

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

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

  • Deposit

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

  • 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 .

  • Production

    MACBOYLE, 1919 ; JOHNSTON, 1940

General comments

Subject category Comment text
Deposit 27 ACRES ; INFO.SRC : 1 PUB LIT
Deposit VEIN, IDAHO - MARYLAND SYSTEM. FEW INCHES TO 5 FT. THICK, AVG. 2 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Bowman, J. And Albers, J. U.S. Geological Survey PARSED HOST ROCK AND ASSOCIATED ROCK INFORMATION FROM OLD SINGLE VALUED FIELD TO NEW MULTIVALUED FIELD
Editor 27-APR-1995 Mosier, Dan U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.