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Sierra Placerite

Occurrence in El Dorado 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. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10030371
MRDS ID M008440
Record type Site
Current site name Sierra Placerite

Geographic coordinates

Geographic coordinates: -120.67408, 38.6899 (WGS84)
Relative position 1 MI. S. OF NEWTOWN (NR. N1/4 COR.)

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Camino(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Cosumnes(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 010N 012E 29 California

Commodities

Commodity Importance
Stone, Dimension Primary

Nearby scientific data

(1) -120.67408, 38.6899
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Ownership information

  • Type Operator
    Owner Sierra Placerite, (A. E. Nicolazzi, President)

Comments on the production information

  • ORNAMENTAL BUILDING STONE IS MARKETED UNDER TRADE NAME OF SIERRA PLACERITE. IT IS SAWED FROM QUARRY, PLIT INTO SLABS AND BLOCKS. SOME IS FIRED IN KILNS. OPERATION STARTED IN 1947 AND PURCHASED BY PRESENT OPERATOR IN 1954. STILL IN OPERATION & PRODUCTION IN 1956

Comments on the workings information

  • QUARRY, 100 FT. LONG, 50 FT. WIDE, 15-20 FT. DEEP; PLANT.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 52, NO. 4, PP. 441-42, 580, PL.10

  • Deposit

    U.S. BUR MINES MIN YEARBOOK 1956, V.3, P.214

  • Deposit

    DOM BULL. 174, P. 36

General comments

Subject category Comment text
Deposit MOST OF THE FINISHED PRODUCT OF PAST FEW YEARS HAS BEEN USED IN FIREPLACES AND BUILDING FRONTS IN SAN FRANCISCO BAY AREA. RATE OF PRODUCTION IS AS HIGH AS 100 TONS OF FINISHED STONE PER MONTH.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 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.