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Mann

Past Producer in Tuolumne county in California, United States with commodities Copper, 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. Land status
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10077903
MRDS ID W025978
Record type Site
Current site name Mann
Alternate or previous names Greenstone
Related records 10166070

Geographic coordinates

Geographic coordinates: -120.43239, 37.91242 (WGS84)
Elevation 366
Relative position 3 MILES S. OF JAMESTOWN

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sonora(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 001N 014E 27,28 California

Commodities

Commodity Importance
Copper Primary
Gold Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -120.43239, 37.91242
ListMap

Economic information

Ore body information

  • Thickness 6.1M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1912 , 1917

Land status

Ownership category Private

Comments on the production information

  • 1912 ; 500 TONS OF LOW GRADE GOLD ORE, 1917 ; OVER 200 TONS OF ORE CARRYING COPPER CARBONATES AND SULFIDES, 3 % CU.

Workings at the site

  • Type of workings Underground
    Overall depth 27.43M

Comments on the workings information

  • ONE SHAFT: 3 CLAIMS.

Reference information

Bibliographic references

  • Deposit

    LOGAN, C. A., 1949 , MINES AND MINERAL RESOURCES OF TUOLUMNE COUNTY; CALIF. JOUR. MINES AND GEOLOGY VOL. 45 , NO. 1, P. 53 - 54.

  • Deposit

    ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 355.

  • Deposit

    TUCKER, W. B., 1914 , TUOLUMNE COUNTY; 14TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 135

  • Production

    LOGAN, C. A., 1949 , P. 53 - 54 (SEE REF.)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1978 Fraticelli, L. A. (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.