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  3. Mineral Resource Data System (MRDS)

Bald Eagle

Past Producer in Calaveras 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 10029333
MRDS ID M006804
Record type Site
Current site name Bald Eagle
Related records 10235172

Geographic coordinates

Geographic coordinates: -120.51351, 38.27547 (WGS84)
Elevation 732
Relative position ON RIDGE S. OF S. FK MOKELUMNE RIVER, 1 3/4 MI N. OF RAILROAD FLAT

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rail Road Flat(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Calaveras(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006N 013E 23 California

Comments on the location information

  • UTM EST, NW 1/4

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist

Nearby scientific data

(1) -120.51351, 38.27547
ListMap

Economic information

Ore body information

  • Thickness 3.96M
    Depth to top 0M

Comments on the geologic information

  • GEOL.DESC: VEIN HAS NEARLY VERTICLE DIP

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1870'S , 1880'S & 1890'S

Comments on the production information

  • NO PRODUCTION RECORD FOUND, PROSPECTED AGAIN AROUND 1925 AND AGAIN 1934 - 35, 1870S, 1880S & 1890S

Workings at the site

  • Type of workings Underground
    Area 8.499HA

Comments on the workings information

  • DEVELOPED BY ADITS AND A WINZE

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B., LYDON, P. A, 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P 38 - 39 , 136 AND PL B

  • Deposit

    LOGAN, C. A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P 297

  • Production

    CLARK ( 1962 )

General comments

Subject category Comment text
Deposit VEIN 1 1/2 TO 13 FT THICK WITH NEARLY VERTICLE DIP

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-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.