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Golden Gate Gp

Past Producer in Nevada county in California, United States with commodities Gold, Chromium
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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 10101250
MRDS ID C011230
Record type Site
Current site name Golden Gate Gp
Alternate or previous names Kentucky & Alpha

Geographic coordinates

Geographic coordinates: -121.03853, 39.22517 (WGS84)
Elevation 792
Relative position 3/4 NE 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 25,26 California

Comments on the location information

  • UTM ACC NE 1/4 NE 1/4

Commodities

Commodity Importance
Gold Primary
Chromium Critical Secondary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Quartz Gangue

Analytical data

Result PYRITE ASSAYS $150 AU/TON

Host and associated rocks

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

Nearby scientific data

(1) -121.03853, 39.22517
ListMap

Economic information

Ore body information

  • General form LENTICULAR
    Strike E
    Dip 30 - 34 N
    Thickness 1.52M
    Depth to top 0M

Comments on the geologic information

  • DIABASE DIKES IN SERPENTINE, ALTERED SERPENTINE CONTAINS MARIPOSITE

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

  • CONCENTRATE LESS THAN 1 % OF ORE, AVG $45 - $50 AU/TON. SMALL CARLOAD CHROME ORE MINED.

Workings at the site

  • Type of workings Underground
    Length 1645.92M
    Overall depth 151.79M

Comments on the workings information

  • 1020 FT INCLINE, 3315 FT DRIFTS, 485 FT CROSSCUTS, 420 FT RAISES, 160 FT RAISES

Reference information

Bibliographic references

  • Deposit

    LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , P. 401 .

  • Deposit

    MACBOYLE, E., 1919 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 73 , 180 - 182 .

  • Production

    LOGAN, 1941

General comments

Subject category Comment text
Deposit VEINS, 5 , GOLDEN GATE, DANA-MOBILE TREASURY, ALPHA, BLIGHT AND WILLS. VEINS FORM CONJUGATE SYSTEM TO IDAHO-BRUNSWICK SOUTH-DIPPING VEINS. VEIN AVERAGES 18 IN THICK
Deposit 200 ACRES. INCLUDES DANA, CHRISTOPHER COLUMBUS, GOLDEN GATE, ALPHA, ISMERT RANCH ; INFO.SRC : 1 PUB LIT

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.

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.