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Silva Pumice Quarry

Occurrence in Napa county in California, United States with commodity Pumice
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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 10031593
MRDS ID M010682
Record type Site
Current site name Silva Pumice Quarry

Geographic coordinates

Geographic coordinates: -122.21827, 38.351 (WGS84)

Site location context

Political divisions (FIPS codes)

Napa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount George(quadrangle 1:24,000 scale)

Napa(quadrangle 1:100,000 scale)

Santa Rosa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Pablo Bay(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Napa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006N 003W 20 California

Commodities

Commodity Importance
Pumice Primary

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Ownership information

  • Type Operator
    Owner Silva, William

Comments on the production information

  • ABOUT 400 TONS WERE MINED IN 1946. OPERATIONS CONDUCTED ONLY IN DRY WEATHER.

Comments on the workings information

  • QUARRY

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. V. 44, NO. 2, APRIL, 1948, P. 175

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 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.