1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Ham and Birney

Past Producer in Tuolumne county in California, United States with commodities Gold, Silver
Map
XML
JSON
KML
C
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 10077939
MRDS ID W026021
Record type Site
Current site name Ham and Birney
Related records 10190240

Geographic coordinates

Geographic coordinates: -120.33017, 38.05713 (WGS84)
Elevation 1036
Relative position 7 MILES BY ROAD, N.E. OF COLUMBIA

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Columbia SE(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Stanislaus(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 015E 04 California

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Comments on the commodity information

  • SILVER AND SULFIDES PRESENT IN SPARSE QUANTITIES

Materials information

Materials Type of material
Gold Ore
Silver Ore

Host and associated rocks

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

Nearby scientific data

(1) -120.33017, 38.05713
ListMap

Economic information

Ore body information

  • General form PINCH AND SWELL
    Strike NE
    Dip 25 - 30 SE
    Thickness 1.52M

Comments on the geologic information

  • GEOL.DESC: VEIN IS 1 TO 5 FT THICK IN SCHIST WITH QUARTZITE SITUATED NEARBY.

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
    Area 16.593HA

Comments on the workings information

  • 4 ADITS ALL ABOUT 380 FT., SHAFT 256 FT.

Reference information

Bibliographic references

  • Deposit

    LOGAN, C.A., 1949 , MINES AND MIN. RES. OF TUOLUMNE COUNTY: CDMG REPT 45 , P. 67 - 68

  • Production

    LOGAN, C.A., 1949

General comments

Subject category Comment text
Deposit POCKET MINE
Deposit AN EXAMPLE OF A LONG-LIVED MINE, HAM & BIRNEY HAS BEEN A PRODUCER AT INTERVALS FOR ABOUT 60 YEARS.

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.