1. Mineral Resources
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  3. Mineral Resource Data System (MRDS)

Reported Occurrence

Producer in Placer county in California, United States with commodity Zirconium
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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. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10031995
MRDS ID M012030
Record type Site
Current site name Reported Occurrence

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -121.30278, 38.8828 (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)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lincoln(quadrangle 1:24,000 scale)

Sacramento(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Placer

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 012N 006E California

Commodities

Commodity Importance
Zirconium Critical Primary

Nearby scientific data

Centroid (1) -121.30278, 38.8828
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Production years 1937; 1941

Reference information

Bibliographic references

  • Deposit

    DOM BULL. 176, P. 85

General comments

Subject category Comment text
Deposit FIRST PROD. COM'L ZIRCON IN CALIF. REPORTED IN 1937 FROM DRAGLINE DREDGE NEAR LINCOLN. ZIRCON WAS USED IN SANDBLASTING AND FOR EXP. IN THE MANUFACTURE OF REFRACTORIES. SMALL AMT. SHIPPED IN 1941 FOR USE IN STEEL ALLOYS.

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.

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.