Eureka Slate Quarry Sierra Slate Corp.

Occurrence in El Dorado county in California, United States with commodity Slate, Dimension
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. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10029990
MRDS ID M007856
Record type Site
Current site name Eureka Slate Quarry Sierra Slate Corp.

Geographic coordinates

Geographic coordinates: -120.82685, 38.78823 (WGS84)
Relative position 1 MI. S. OF KELSEY. SOME OF REFERENCE MATERIAL QUOTES LOCATION AS BEING 1 MILE SOUTH OF KELSEY, OTHERS 1 MILE WEST, SO SEC. 23 MAY BE CORRECT. THERE IS A SLATE QUARRY SHOWN AT APPROX. THIS LOCATION ON USGS FOLIO PLACERVILLE, 1894

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Garden Valley(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)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 011N 010E 23 California

Commodities

Commodity Importance
Slate, Dimension Primary

Nearby scientific data

(1) -120.82685, 38.78823

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Comments on the production information

  • ACTIVE FROM AROUND 1886 TO ABOUT 1926. LARGE AMOUNTS OF DIMENSION SLATE WERE MINED, MUCH OF WHICH COULD BE WORKED UP INTO GOOD ROOFING SLATE.

Comments on the workings information

  • QUARRY WITH 200-FT. FACE AND UP TO 200-FT. DEEP. SLATE DELIVERED TO PLACERVILLE BY 13000FT. TRAMWAY.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 52, NO. 4, P. 587

  • Deposit

    REPORT OF STATE MINERALOGIST XXII, PP. 449-450

  • Deposit

    CALIF. MNG JOUR. MARCH 1966, P. 9

General comments

Subject category Comment text
Deposit MILL FOR HOISTING, SAVING POLISHING & GRINDING BEING INSTALLED IN 1966 - TO EMPLOY 20 MEN EVENTUALLY.

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.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.