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  3. Mineral Resource Data System (MRDS)

Princeton

Past Producer in Mariposa county in California, United States with commodities Gold, Lead, Zinc, Copper
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10103074
MRDS ID M021625
Record type Site
Current site name Princeton
Alternate or previous names New Princeton, Princeton Ext
Related records 10285070

Geographic coordinates

Geographic coordinates: -120.03154, 37.50104 (WGS84)
Elevation 640
Relative position SOUTHERN OUTSKIRTS MT BULLION

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 13,18 California

Commodities

Commodity Importance
Gold Primary
Lead Secondary
Zinc Critical Secondary
Copper Secondary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore
Quartz Gangue

Alteration

  • (Local) Slate Severely Bleached & Hydrothermally Altered Near Vein.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Rock unit name Mariposa Formation
    Rock description Mariposa Formation
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -120.03154, 37.50104
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Thrust Fault

Ore body information

  • Strike N 54 - 57 W
    Dip 45 - 60 NE
    Thickness 2.44M
    Depth to top 0M

Comments on the geologic information

  • MARIPOSA FM CUT BY DIKES OF SHEARED GRANITE PORPHYRY

Economic information about the deposit and operations

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

Mining district

District name Mt. Bullion

Comments on the production information

  • EARLY ORE YIELDED $70/TON, LATER AVG. $7/TON. TOTAL PRODUCTION MAY EXCEED $5 MILLION

Workings at the site

  • Type of workings Underground
    Length 4907.28M
    Overall depth 487.68M

Comments on the workings information

  • SHAFTS, 9 LEVELS W/OVER 11,500 FT DRIFTS, OVER 3000 FT CROSS CUTS & RAISES

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. 155 - 158 , 297

  • Production

    BOWEN & GRAY 1957

General comments

Subject category Comment text
Deposit VEIN, 4 - 8 FT THICK
Deposit GREATEST RECORDED PRODUCTION IN MARIPOSA COUNTY ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-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.