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Permanente Cement Plant

Producer in Santa Clara county in California, United States with commodities Clay, Limestone, General
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. Land status
  10. Ownership information
  11. Links to other databases
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10262257
MAS/MILS ID 0060850160
Record type Site
Current site name Permanente Cement Plant
Alternate or previous names Kaiser Cement

Geographic coordinates

Point of reference Plant
Geographic coordinates: -122.09074, 37.32021 (WGS84)
Elevation 213
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Santa Clara(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cupertino(quadrangle 1:24,000 scale)

Palo Alto(quadrangle 1:100,000 scale)

San Francisco(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Coyote(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Santa Clara

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 007 S 002 W 16 SW California

Commodities

Commodity Importance
Clay Secondary
Limestone, General Primary

Nearby scientific data

Plant (1) -122.09074, 37.32021
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Kaiser Cement
    ID 404075
    Interest 100
    Home office California
    Year 1979

Reference information

General comments

Subject category Comment text
Deposit PRODUCT IS PORTLAND CEMENT.

Reporter information

Type Date Name Affiliation Comment
Reporter 28-DEC-1984 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Current status (per MSHA)

StatusTemporarily Idled since 07/22/2025
MSHA mine ID0404075
Mine name (MSHA)Permanente Cement Plant & Quarry
Current operatorLehigh Southwest Cement Co.
Current controller (parent)Heidelberg Materials AG
Mine typeFacility (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

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.