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  3. Mineral Resource Data System (MRDS)

French Hill

Past Producer in El Dorado county in California, United States with commodities Gold, Asbestos
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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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10006863
MRDS ID C007624
Record type Site
Current site name French Hill

Geographic coordinates

Geographic coordinates: -120.92242, 38.93739 (WGS84)
Elevation 610
Relative position 1 MI SW OF SPANISH DRY DIGGINGS 1/4 MI ESE OF FRENCH HILL

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Greenwood(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

USBR(Federal land areas administered by USBR)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 013N 009E 36 California

Comments on the location information

  • UTM ACC NW 1/4 OF NE 1/4 SEC

Commodities

Commodity Importance
Gold Primary
Asbestos Tertiary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Nearby scientific data

(1) -120.92242, 38.93739
ListMap

Economic information

Ore body information

  • Strike NW
    Dip NE
    Thickness 0.46M
    Depth to top 0M

Comments on the geologic information

  • SEAM DEPOSIT ON PORPHYRY SEAM BELT

Economic information about the deposit and operations

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

Comments on the production information

  • NO PRODUCTION RECORD FOUND ACTIVE AROUND 1894 , PROSPECTED FOR ASBESTOS

Workings at the site

  • Type of workings Surface/Underground
    Area 64.752HA
    Length 60.96M
    Overall depth 30.48M

Comments on the workings information

  • MINED BY OPEN CUTS, 100 FT SHAFT AND 100 FT ADIT

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 441 , 569 - 570 AND PL 10 .

  • Deposit

    CRAWFORD, J. J., 1894 , EL DORADO COUNTY; CALIF. MIN. BUR. 12TH REPT. STATE MINERALOGIST, P 110 .

  • Deposit

    LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PG 261 .

General comments

Subject category Comment text
Deposit VEIN SEAM DEPOSIT MAIN SEAM DIPS 45 E WITH 1 1/2 FT AVERAGE THICKNESS

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.

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.