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

Tecumseh

Past Producer in Calaveras county in California, United States with commodities Gold, Copper
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. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10034951
MRDS ID M022049
Record type Site
Current site name Tecumseh

Geographic coordinates

Geographic coordinates: -120.71907, 37.9488 (WGS84)
Relative position 1 1/2 MI NE OF TELEGRAPH CITY

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Copperopolis(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower San Joaquin River(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001N 011E 12,11 California

Comments on the location information

  • UTM ACC SE 1/4 11 SW 1/4 12 . IN TEXAS GULCH

Commodities

Commodity Importance
Gold Primary
Copper Secondary

Comments on the commodity information

  • ABUNDANT SULFIDES IN VEIN WALL ROCK

Materials information

Materials Type of material
Gold Ore
Quartz Gangue
Talc Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Economic information

Ore body information

  • Strike N 10 W
    Dip 75 SW

Comments on the geologic information

  • 5 FT THICK VEIN IN GREENSTONE AND TALCOSE SCHIST.

Economic information about the deposit and operations

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

Comments on the production information

  • WORKED EXTENSIVELY IN 1870S. ORE YIELDED $25 - 40/TON. CEMENT CU MAY HAVE BEEN PRODUCED LATER

Comments on the workings information

  • OPEN SHAFT AT LEAST 400 FT DEEP W LEVELS EACH 100 FT.

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B., & LYDON, P. A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: CALIF. DIV. MINES & GEOL., COUNTY REPORT 2 , P. 184

  • Production

    CLARK AND LYDON, 1962

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Hayden, F. (Albers, J.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

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.