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  3. Mineral Resource Data System (MRDS)

White Rock Deposit

Occurrence in Mariposa county in California, United States with commodity Silica
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10031056
MRDS ID M009628
Record type Site
Current site name White Rock Deposit

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -120.09754, 37.32382 (WGS84)
Relative position Original record had no geographic coordinates; these coordinates were derived from the PLSS description provided.

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Illinois Hill(quadrangle 1:24,000 scale)

Merced(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 007S 017E 14,15 California

Commodities

Commodity Importance
Silica Primary

Nearby scientific data

Centroid (1) -120.09754, 37.32382
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Kaiser Aluminum And Chem. Co.

Comments on the production information

  • PRIOR TO 1942 THERE HAD BEEN A SMALL INTERMITTENT PRODUCTION FOR MISCELLANEOUS USES, CHIEFLY IN LATE 1920'S. BETWEEN 1942 AND 1952 KAISER ENTERPRISES QUARRIED 147,964 TONS FOR USE AT THIER PERMANENTE FERROSILICON PLANT. OPERATION DISCONTINUED WHEN THE WARTIME GOVERNMENT DEMAND FOR FERROSILICON FELL OFF.

Comments on the workings information

  • QUARRY

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOLOGY, V. 53, NOS. 1 & 2, JAN.-APRIL, 1957, PP. 216, 341

  • Deposit

    MIN. INF. SVCE, V. 10, NO. 4, P. 3

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-73 Gere, W. 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.