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  3. Mineral Resource Data System (MRDS)

Longfellow

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. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10077960
MRDS ID W026046
Record type Site
Current site name Longfellow
Alternate or previous names Toughnut
Related records 10262997

Geographic coordinates

Geographic coordinates: -120.25877, 37.8227 (WGS84)
Elevation 884
Relative position AT BIG OAK FLAT.

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Moccasin(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(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 001S 016E 30 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) -120.25877, 37.8227
ListMap

Economic information

Ore body information

  • Strike E
    Dip 30 N

Comments on the geologic information

  • GEOL.DESC: TWO VEINS ABOUT 50 FT. APART; THE FOOTWALL VEIN BEING 10 FT. THICK, AND THE HANGING WALL 5 FT. THICK. ORE SHOOTS TREND E.

Economic information about the deposit and operations

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

Mining district

District name East Belt

Land status

Ownership category Private

Comments on the production information

  • THE PERIOD OF PRINCIPAL ACTIVITY WAS BETWEEN 1889 AND 1907 . SOME ORE PRODUCED AND MILLED 1913 - 1914 AND AGAIN FROM 1930 - 1931 . TWO THOUSAND TONS OF ORE HANDLED IN 1938 , AND NO FURTHER PRODUCTION WAS REPORTED.

Workings at the site

  • Type of workings Underground
    Area 6.475HA

Comments on the workings information

  • THIRTY DEGREE INCLINED SHAFT 900 FT WITH 9 LEVELS 100 FT APART.

Reference information

Bibliographic references

  • Deposit

    LOGAN, C.A., MINES AND MIN. RES. OF TUOLUMNE COUNTY: CDMG REPT. 45 , P. 69 - 70

  • Deposit

    TUCKER, W.B., 1914 , TUOLUMNE COUNTY: CMB REPT. 14 , P. 154

  • Production

    LOGAN, C.A., 1949

General comments

Subject category Comment text
Deposit THE MARK CLAIM ADJOINS LONGFELLOW CLAIM, ON THE E., AND AT TIMES THESE TWO CLAIMS WERE WORKED TOGETHER.

Reporter information

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