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Lamphere

Past Producer in Tuolumne 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. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10034569
MRDS ID M021402
Record type Site
Current site name Lamphere
Related records 10287220

Geographic coordinates

Geographic coordinates: -120.20211, 38.04992 (WGS84)
Elevation 1250

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Twain Harte(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Tuolumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Tuolumne

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002N 016E 03,10 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -120.20211, 38.04992
ListMap

Economic information

Ore body information

  • Dip 45

Comments on the geologic information

  • GEOL.DESC: VEIN THICKNESS RANGES FROM 1 TO 3 FT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years PRIOR TO 1892

Comments on the workings information

  • 2 INCLINED SHAFT; 500 FT. ON MAIN VEIN, AND 215 FT. ON HANGING WALL VEIN. 5 DRIFTS 167 , 217 , 267 , 317 , AND 417 FT. SHAFTS CONNECTED THROUGH WORKINGS

Reference information

Bibliographic references

  • Deposit

    PRESTON, E. B., 1892 , TUOLUMNE COUNTY: CMB REPT. 11 , P. 503 - 504

  • Production

    IN PRESTON, E. B., 1892

General comments

Subject category Comment text
Deposit AT LEAST 2 ORE SHOOTS FOUND, EACH BEING 60 FT. IN LENGTH.
Deposit THIS MINE IS ONE IN A GROUP WITH THE CONFIDENCE MINE, LYING ADJACENT TO THE EDITH AND JESSIE MINING CLAIM.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1978 Tatkin, T.; 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.