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Iron Crown

Occurrence in El Dorado county in California, United States with commodities Copper, 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. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Land status
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10030037
MRDS ID M007950
Record type Site
Current site name Iron Crown
Alternate or previous names Bob
Related records 10235949

Geographic coordinates

Geographic coordinates: -120.92575, 38.88628 (WGS84)
Relative position 1 MI. SE OF GEORGETOWN.

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)

South Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(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 012N 010E 13 California

Commodities

Commodity Importance
Copper Primary
Gold Primary

Host and associated rocks

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

Nearby scientific data

(1) -120.92575, 38.88628
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category National Forest

Comments on the production information

  • ACTIVE PRIOR TO 1902 AND AGAIN AROUND 1908. NO RECORD OF PRODUCTION. WATER IS COPPER-BEARING.

Comments on the workings information

  • A 75-FT. SHAFT AND OPEN CUTS.

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B. AND CARLSON, D. W., 1956 ; MINES AND MINERAL RESOURCES, EL DORADO, COUNTY, CA.: CALIF. JOUR. MINES AND GEOLOGY, VOL. 52 , NO. 4 : DIV. OF MINES, P. 481 .

  • Deposit

    ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL. 144 : DIV. OF MINES, P. 230

General comments

Subject category Comment text
Deposit SERIES OF GOSSAN CAPPINGS AND COPPER BEARING VEINS.
Deposit ONE PATENTED CLAIM. EXTENDS SOUTH TO CONTRABAND (FORD) MINE. GOSSAN CAPPING IS 40 TO 300 FT. WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-DEC-1978 Fraticelli, L. A. (Albers, J.) 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.