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  3. Mineral Resource Data System (MRDS)

Mount George King Pumice Deposit.

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 10031601
MRDS ID M010692
Record type Site
Current site name Mount George King Pumice Deposit.

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -122.25056, 38.34162 (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)

Napa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Napa(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 004W 24,25 California

Commodities

Commodity Importance
Pumice Primary

Nearby scientific data

Centroid (1) -122.25056, 38.34162
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Ownership information

  • Type Operator
    Owner Basalt Rock Co., Inc.

Comments on the production information

  • THE QUARRY WAS OPENED IN 1947 AND WAS CLOSED EARLY IN 1953. DURING THE 7 YEARS OF CONTINUOUS OPERATION THE QUARRY HAD A TOTAL OUTPUT OF OVER 300,000 T. OF PUMICE WHICH WAS USED PRIMARILY AS AN AGGREGATE IN BUILDING BLOCKS.

Comments on the workings information

  • QUARRY

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. V. 44, NO. 2, APRIL 1948, PP. 173-4

  • Deposit

    BULL. 174, 1956, PP. 30-31

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.