1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Alvarnez

Occurrence in Contra Costa county in California, United States with commodity Pumice
Map
XML
JSON
KML
C
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 10029575
MRDS ID M007214
Record type Site
Current site name Alvarnez
Related records 10210998

Geographic coordinates

Geographic coordinates: -121.96048, 38.01934 (WGS84)

Site location context

Political divisions (FIPS codes)

Contra Costa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Honker Bay(quadrangle 1:24,000 scale)

Lodi(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Suisun 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 Contra Costa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002N 001W 15 California

Commodities

Commodity Importance
Pumice Primary

Nearby scientific data

(1) Eocene marine rocks
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Ownership information

  • Type Operator
    Owner Pittsburg Pumice Industries

Comments on the production information

  • OPENED UP IN 1946 AND OPERATED INTERMITTENTLY FOR THE NEXT FEW YEARS. NOT IN OPERATION IN 1953 AND HAD EVERY INDICATION OF HAVING BEEN CLOSED DOWN FOR AT LEAST SEVERAL YEARS.

Comments on the workings information

  • QUARRY ABOUT 50' LONG, 30' WIDE, AND HAS EXPOSED A FACE IN THE TUFF ABOUT 30' HIGH.

Reference information

Bibliographic references

  • Deposit

    CALIF. B. 174, PP. 32 AND 94

  • Deposit

    CALIF. JOUR. VOL. 47, NO. 4, OCT. 1951, P. 578; V. 54, NO. 4, P. 574, PL. 5

  • Deposit

    BULL. 149, P. 96

General comments

Subject category Comment text
Deposit PUMICE FOR AGGREGATE PURPOSES WAS PRODUCED.

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.