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Oak

Past Producer in El Dorado 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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10007136
MRDS ID C008555
Record type Site
Current site name Oak
Alternate or previous names Black Oak, Crown Point, August
Related records 10211970

Geographic coordinates

Geographic coordinates: -120.57045, 38.57296 (WGS84)
Elevation 792
Relative position 1 MI. NE OF OMO RANCH ON MIDDLE FK. COSUMNES RIVER

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Omo Ranch(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Cosumnes(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 009N 013E 32 California

Comments on the location information

  • UTM ACC. S 1/2 OF NW 1/4

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • CONSIDERABLE AMOUNT OF SULFIDES

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -120.57045, 38.57296
ListMap

Economic information

Ore body information

  • Strike NE
    Dip 75 NW
    Thickness 1.22M
    Depth to top 0M

Economic information about the deposit and operations

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

Comments on the production information

  • NO PRODUCTION RECORD FOUND. ACTIVE 1894 .

Workings at the site

  • Type of workings Underground
    Area 14.165HA
    Length 550M

Comments on the workings information

  • DEVELOPED BY 400 AND 150 FT. DRIFT ADITS, STOPED TO SURFACE.

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B., AND CARLSON, D. W., 1956 , MINES AND MINERAL RESOURCES OF EL DORADO CO., CALIF.: CALIF. JOUR. OF MINES AND GEOL., VOL. 52 , NO. 4 , PG. 521 AND PL. 10 .

  • Deposit

    CRAWFORD, J. J., 1894 , EL DORADO COUNTY; CALIF. MIN. BUR. 12TH REPT. STATE MINERALOGIST, P. 119 .

  • Deposit

    LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PG. 265 AND PL. II.

General comments

Subject category Comment text
Deposit VEIN, 1 TO 4 FT. VEIN

Reporter information

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