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Mary Ellen

Past Producer in Tuolumne county in California, United States with commodities Gold, Antimony, Zinc, Lead, Copper, Iron
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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. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10077972
MRDS ID W026064
Record type Site
Current site name Mary Ellen
Related records 10287587

Geographic coordinates

Geographic coordinates: -120.24043, 37.89492 (WGS84)
Elevation 335
Relative position APPROXIMATELY 4 MILES S. OF TUOLUMNE, ON THE N. FORK OF THE TUOLUMNE RIVER.

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tuolumne(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)

Federal lands

Stanislaus National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Tuolumne

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001N 016E 32 California

Commodities

Commodity Importance
Gold Primary
Antimony Critical Tertiary
Zinc Critical Tertiary
Lead Tertiary
Copper Tertiary
Iron Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Pyrite Ore
Silver Ore
Sphalerite Ore
Stibnite Ore

Analytical data

Result ORE CONTAINS 4 PERCENT SULFIDES

Host and associated rocks

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

Nearby scientific data

(1) -120.24043, 37.89492
ListMap

Economic information

Ore body information

  • Strike E
    Dip 60 N
    Thickness 1.52M

Comments on the geologic information

  • GEOL.DESC: THREE ORE SHOOTS DISCOVERED, PITCHING 45 E; 80 , 50 , 60 FT. IN LENGTH.

Economic information about the deposit and operations

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

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Overall depth 137.16M

Comments on the workings information

  • THREE ADITS 350 , 275 , 300 FT.

Reference information

Bibliographic references

  • Deposit

    IRELAN, WM. JR., 1892 , ELEVENTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 11 , P. 494

General comments

Subject category Comment text
Deposit VEIN DEPOSIT

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.