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  3. Mineral Resource Data System (MRDS)

Fine Gold

Past Producer in Calaveras county in California, United States with commodities Gold, Silver, Copper, Lead
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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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  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 10029512
MRDS ID M007088
Record type Site
Current site name Fine Gold

Geographic coordinates

Geographic coordinates: -120.4574, 38.34352 (WGS84)
Elevation 829
Relative position 3 1/2 MI E OF RAILROAD FLAT ON RIDGE OF S FORK MOKELUMNE RIVER

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fort Mountain(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Mokelumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006N 014E 29 California

Comments on the location information

  • UTM ACC S 1/2 , NEAR CENTER SEC

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Secondary
Lead Secondary

Comments on the commodity information

  • ABUNDANT SULFIDES, MINOR PB & CU RECOVERED

Materials information

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

Analytical data

Result ORE FROM $7 - $20 PER TON AU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Hornfels
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -120.4574, 38.34352
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Several Veins Of Buff Colored Fine-Grained Diorite Closely Associated With Vein

Ore body information

  • Strike N
    Dip 75 W
    Thickness 1.52M

Comments on the geologic information

  • QUARTZ RANGES FROM MILKY-WHITE TO DARK GREY

Economic information about the deposit and operations

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

Comments on the production information

  • ACTIVE 1883 - 1890 , 1906 - 1910 , 1915 - 1924 , 1934 - 1941 , 1948 - 1949

Workings at the site

  • Type of workings Underground
    Area 9.713HA

Comments on the workings information

  • DEVELOPED BY 250 FT INCLINED SHAFT WITH THREE LEVELS, WITH 2 AT 100 AND 200 FT WITH A CONSIDERABLE AMOUNT OF DRIFTING WITH LONGES BEING 600 FT S DRIFT ON 100 FT LEVEL

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P 54 , 150 AND PL B

  • Deposit

    LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P 255 - 256 AND 304 .

  • Production

    CLARK ( 1962 )

General comments

Subject category Comment text
Deposit VEIN, AVERAGES 5 FT IN THICKNESS, FOOTWALL IS GRAPHITIC SLATE AND SCHIST OF CALAVERAS FMN, HANGING WALL IS FINE-GRAINED HORNFELS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Mateik, R.; Albers, J. 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.