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French Creek

Past Producer in El Dorado county in California, United States with commodities Gold, Copper
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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. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10101088
MRDS ID C007731
Record type Site
Current site name French Creek
Related records 10187588

Geographic coordinates

Geographic coordinates: -120.92491, 38.59879 (WGS84)
Elevation 244
Relative position ON FRENCH CREEK 1 MI. NE OF BRANDON CORNER, 5 1/2 MI. S OF SHINGLE SPRINGS

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Latrobe(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 010E 31 California

Comments on the location information

  • UTM ACC. CNTR. TOP OF NW 1/4 SEC.

Commodities

Commodity Importance
Gold Primary
Copper Tertiary

Comments on the commodity information

  • DISSEMINATED PYRITE

Materials information

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

Analytical data

Result ASSAYS $2.80 - $60 PER TON AU, EST. AVG. IS $20 - $30 PER TON A

Host and associated rocks

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

Nearby scientific data

(1) -120.92491, 38.59879
ListMap

Economic information

Ore body information

  • Strike N
    Dip 65 E
    Thickness 6.1M
    Length 91.44M
    Depth to top 0M

Comments on the geologic information

  • IN BELT OF METAVOLCANIC ROCKS

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. UNDER-DEVELOPMENT 1953 - 1956

Comments on the workings information

  • DEVELOPED BY A 30 FT. SHAFT AND ADITS

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. 414 , 501 AND PL. 10

General comments

Subject category Comment text
Deposit VEIN, 20 FT. AVERAGE THICKNESS, ORE BODY IS DARK GREEN, FINE TO MEDIUM-GRAINED METADIABASE, TRACED FOR 300 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-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.