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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Eureka

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 10029387
MRDS ID M006885
Record type Site
Current site name Eureka
Alternate or previous names Old Henery

Geographic coordinates

Geographic coordinates: -120.54073, 38.41213 (WGS84)
Elevation 829
Relative position 1 MI N OF WEST POINT, BTWN MOTTS GULCH AND SKULL FLAT GULCH

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

West Point(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Mokelumne(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 007N 013E 34,35 California

Comments on the location information

  • UTM ACC SE 1/4 SEC 34 SW 1/4 SEC 35

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • SULFIDES ABUNDANT

Materials information

Materials Type of material
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -120.54073, 38.41213
ListMap

Economic information

Ore body information

  • Strike NW
    Dip NE
    Thickness 0.91M
    Depth to top 0M

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 ACTIVE 1890'S

Workings at the site

  • Type of workings Underground
    Area 8.094HA
    Overall depth 50.9M

Comments on the workings information

  • DEVELOPED BY 167 FT SHAFT

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

  • Deposit

    CRAWFORD, J. J., 1894 , CALAVERAS COUNTY: 12TH REPT STATE MIN; CALIF. MIN. BUR. P 92

  • 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 304

General comments

Subject category Comment text
Deposit VEIN, FROM 1 - 3 FT THICK, IS SIMPLE FISSURE HAS SUSTAINED CURIOUS CROSS FRACTURING, QUARTZ BREAKS EASILY FROM WALL BUT NO SELVAGE OR GOUGE

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.

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.