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Lewis Brothers Nw Ext. of Princeton

Past Producer in Mariposa 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. Ownership information
  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 10102904
MRDS ID M009776
Record type Site
Current site name Lewis Brothers Nw Ext. of Princeton
Alternate or previous names Nw Extension of Princeton
Related records 10236781

Geographic coordinates

Geographic coordinates: -120.04681, 37.50104 (WGS84)
Elevation 701

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bear Valley(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fresno River(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 005S 018E 18 California

Comments on the location information

  • UTM ACC. MAY BE PROSPECT SHOWN ON BEAR VALLEY ( 1947) QUAD. ABOUT 1/2 MI. S OF MT. BULLION. ; INFO FROM LAND.ST :UNDETERMINED

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Quartz Gangue

Host and associated rocks

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

Economic information

Ore body information

  • Depth to top 0M

Comments on the geologic information

  • GEOL.DESC: TYPICAL MINOR MOTHER LODE VEIN

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1921

Ownership information

  • Type Operator
    Owner Mariposa Com'L And Mining Co.
    Home office Mariposa Com'L & Mining Co.

Workings at the site

  • Type of workings Underground
    Overall depth 18.29M

Comments on the workings information

  • OPENED TO A DEPTH OF 60-FT. BY SEVERAL SHALLOW SHAFTS AND CONNECTING DRIFTS.

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E., JR., GRAY, C. H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 53 , NOS. 1 AND 2 , P. 277

  • Production

    BOWEN & GRAY 1957

General comments

Subject category Comment text
Deposit VEIN
Deposit SEE CARD FOR PRINCETON MINE, SEC. 13- 5S,-17E & 18, T. 5S, R. 18E

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-JAN-1979 Bowman, J. And 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.