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  3. Mineral Resource Data System (MRDS)

Permanente Cement Plant

Producer in Santa Clara county in California, United States with commodity Calcium
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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 10189788
MRDS ID W025131
MAS/MILS ID 0060859031
Record type Site
Current site name Permanente Cement Plant
Related records 10077469, 10189953

Geographic coordinates

Point of reference Plant
Geographic coordinates: -122.08384, 37.31571 (WGS84)
Location accuracy 100(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
Calcium Primary

Nearby scientific data

Plant (1) -122.08384, 37.31571
ListMap

Economic information

Economic information about the deposit and operations

Operation type Processing Plant
Development status Producer
Commodity type Non-metallic
Significant No

Ownership information

  • Type Owner-Operator
    Owner Kaiser Cement Corp.
    Home office California
    Year 1991

Reference information

Bibliographic references

  • Deposit

    CALIF. DIV. MINES AND GEOL. ACTIVE MINES DATABASE (1991).

Reporter information

Type Date Name Affiliation Comment
Reporter 15-MAY-1992 Ridenour, James 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)

Inferred by coordinate + name similarity (550 m, 1.00 match). Confirm against MSHA if precision matters — non-USGS-curated cross-references may occasionally point at a neighbouring mine.

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.