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  3. Mineral Resource Data System (MRDS)

Alpha and Omega

Past Producer in Calaveras 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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10029249
MRDS ID M006686
Record type Site
Current site name Alpha and Omega
Alternate or previous names Greek, Omega Fler De Ora, Matilda, Omega, Stramatis Mines

Geographic coordinates

Geographic coordinates: -120.55462, 38.27547 (WGS84)
Elevation 792
Relative position ON RIDGE BETWEEN JESUS MARIA AND ESPERANZA CREEKS

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rail Road Flat(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Calaveras(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 005N 013E 20,21 California

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • $19 TO $34 PER TON AU

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -120.55462, 38.27547
ListMap

Economic information

Ore body information

  • Strike NW
    Dip NE
    Thickness 0.46M

Comments on the geologic information

  • VEIN ASSOCIATED WITH DIKES ; GEOL.DESC: MICA SCHIST AND SLATE COUNTRY ROCK

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1877 , EARLY 1890'S, 1913 - 1914

Comments on the production information

  • FREE MILLING ORE TREATED IN 5 STAMP STEAM MILL

Workings at the site

  • Type of workings Underground
    Area 24.282HA
    Length 214.88M
    Overall depth 53.34M

Comments on the workings information

  • DEVELOPED BY SEVERAL SHAFTS UP TO 175 FT. DEEP, 350 FT. OF ADITS AND 180 FT. OF DRIFTS. RETIMBERING OF SOME SHAFTS IN 1913

Reference information

Bibliographic references

  • Deposit

    KERR, M.B., 1900 , REGISTER OF MINES AND MINERALS, COUNTY OF CALAVERAS, CALIF. MIN. BUR.

  • Deposit

    CLARK, W.B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P. 135

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1979 Mateik, R.; Albers, John P. 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.