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Crystal El Dorado Crystal

Occurrence 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10029883
MRDS ID M007716
Record type Site
Current site name Crystal El Dorado Crystal

Geographic coordinates

Geographic coordinates: -120.91685, 38.6324 (WGS84)
Elevation 347
Relative position NE1/4 SE1/4. LOCATED 3 MILES S OF SHINGLE SPRINGS AND 1/2 MILE SOUTH OF FRENCHTOWN.

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Shingle Springs(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 18 California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

(1) -120.91685, 38.6324
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1890

Ownership information

  • Type Operator
    Owner F. W. Barrette

Comments on the production information

  • ORIG. WORKED PRIOR TO 1890; WORKED DUR. 1890'S. AFTER BEING IDLE MANY YEARS WAS REOPENED IN 1937 AND A NEW MILL WAS ERECTED. MINE OPERATED UNTIL 1940 AND HAS BEEN IDLE SINCE. THE ORE CONTAINED AS MUCH AS $11 PER TON IN GOLD.

Comments on the workings information

  • A 250-FT. INCLINED SHAFT; 1,028 FT. ADIT; 480 FT. INCLINED WINZE WITH 3 LEVELS SUNK 328 FT. IN FROM PORTAL OF ADIT

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 52, NO 4, PP. 413-14, 495; V. 34, NO. 3, PL. II

General comments

Subject category Comment text
Deposit COMPRISES 16.42 ACRES. VEIN MATTER CONSISTS OF QUARTZ, FELDSPAR, CALCITE, AND PYRITE. THERE ARE A NUMBER OF SMALL OPEN CAVITIES IN THE VEIN IN WHICH EUHEDRAL QUARTZ CRYSTALS HAVE GROWN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. 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.