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Union Granite Co.

Producer in Placer county in California, United States with commodity Stone, Dimension
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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 10032015
MRDS ID M012061
Record type Site
Current site name Union Granite Co.
Related records 10189168

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -121.23813, 38.78845 (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

Rocklin(quadrangle 1:24,000 scale)

Sacramento(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower American(hydrologic unit)

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 011N 007E 11,19 California

Commodities

Commodity Importance
Stone, Dimension Primary

Nearby scientific data

Centroid (1) -121.23813, 38.78845
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: "WHITE GRANITE" QUARRIED AT ROCKLIN AND GABBRO, SOLD AS "BLACK GRANITE" OBTAINED FROM QUARRY 2 MILES EAST OF LOOMIS.

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No
Production years 1949-1952-53-56.

Comments on the production information

  • PRODUCTION 1949-1952-53. STILL ACTIVE THROUGH 1956.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 47, NO. 2, P. 349

  • Deposit

    CJM&G V. 51, NO. 4, P. 356

  • Deposit

    DOM BULL. 176, P. 594

General comments

Subject category Comment text
Deposit MOST OF FINISHED STONE USED FOR MONUMENTAL STONE BUT ALSO USED FOR BUILDING STONE, FIREPLACE STONE, RIPRAP , AND WASTE.

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.