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  3. Mineral Resource Data System (MRDS)

Schoolhouse Mine

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. Economic information about the deposit and operations
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10028826
MRDS ID M006048
Record type Site
Current site name Schoolhouse Mine
Related records 10114628

Geographic coordinates

Geographic coordinates: -120.61684, 38.29602 (WGS84)
Relative position 4 1/2 MI. E OF MOKELUMNE HILL

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 005N 012E 11 California

Comments on the location information

  • UTM EST. ADJOINS THE RINDGE NO. 2 GROUP. SE 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) -120.61684, 38.29602
ListMap

Economic information

Comments on the geologic information

  • GEOLOGY SIMILAR TO RINDGE GROUP.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Workings at the site

  • Type of workings Underground
    Area 8.094HA

Comments on the workings information

  • 20-FT INCLINE AND 90-FT INCLINE. MORE THAN 300 FT OFDRIFTING ON VEIN ON 150-FT LEVEL.

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B., & LYDON, P. A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: CALIF. DIV. MINES & GEOL., COUNTY REPORT 2 , P. 179

  • Deposit

    LOGAN, C. A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS CO.: CDM CALIF. JOUR. MINES & GEOL., VOL. 32 , NO. 3 , P. 285 & 318

  • Deposit

    LOGAN, C. A., 1925 , SACRAMENTO FIELD DIVISION - CALAVERAS CO.: CALIF. MIN. BUREAU, REPT. 21ST STATE MINERALOGIST, P. 157

  • Production

    CLARK, 1962

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Hayden, F. (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.