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  3. Mineral Resource Data System (MRDS)

Brunswick

Past Producer in Shasta county in California, United States with commodity Gold
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10077612
MRDS ID W025316
Record type Site
Current site name Brunswick
Alternate or previous names Miners' Group
Related records 10165210

Geographic coordinates

Geographic coordinates: -122.6961, 40.70568 (WGS84)
Elevation 1189
Relative position 5 MILES W. OF FRENCH GULCH

Site location context

Political divisions (FIPS codes)

Shasta(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

French Gulch(quadrangle 1:24,000 scale)

Redding(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Shasta

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 033N 007W 19 California

Comments on the location information

  • SECTION PROJECTED ; INFO FROM LAND.ST :UNDETERMINED

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -122.6961, 40.70568
ListMap

Economic information

Ore body information

  • General form TABULAR
    Strike N 80 E
    Dip 45 N
    Thickness 0.3M

Comments on the geologic information

  • GEOL.DESC: ORE IN SMALL QUARTZ LENSES AND IN VEIN BETWEEN SLATE HANGING WALL AND DIORITE PORPHYRY FOOT WALL.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1879 - 1912 AND LATE 30'S

Mining district

District name French Gulch

Comments on the production information

  • 3,700 OZ GOLD EXTRACTED PRIOR TO 1912 ; HIGHEST GRADE ORE 1/2 OZ./TON.

Workings at the site

  • Type of workings Underground
    Area 40.47HA

Comments on the workings information

  • 6 ADITS 100 TO 800 FT, DRIFTS 1,500 FT., STOPES 200 FT., RAISES 150 FT, SEVERAL OPEN-CUTS

Comments on development

  • ECON.COM: GOLD, PYRITE

Reference information

Bibliographic references

  • Deposit

    ALBERS, J.P., 1965 , ECON. GEOL. OF THE FRENCH GULCH QUADRANGLE, SHASTA AND TRINITY COUNTIES, CAL.: C.D.M.G., SPEC. REPT. 85 , 43 P.

  • Deposit

    AVERILL, C.V., 1939 , MINERAL RES OF SHASTA COUNTY: C.D.M. REPT. 35 , P. 143 - 144

  • Deposit

    BROWN, G.C., 1916 , SHASTA COUNTY: C.M.B. REPT. 14 , P. 780 .

  • Production

    ALBERS, J.P., 1965 .

General comments

Subject category Comment text
Deposit GOLD PRODUCED FROM COUNTRY ROCKS SEVERAL FT. OUT FROM VEIN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1978 Tatkin, T.; Albers, John P. U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site

Authoritative California resources

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