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  3. Mineral Resource Data System (MRDS)

Pacifica Quarry and Mill

Producer in San Mateo county in California, United States with commodity Stone
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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. Land status
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10117041
MAS/MILS ID 0060810065
Record type Site
Current site name Pacifica Quarry and Mill

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -122.49995, 37.6168 (WGS84)
Elevation 20
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

San Mateo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Montara Mountain(quadrangle 1:24,000 scale)

San Francisco(quadrangle 1:100,000 scale)

San Francisco(quadrangle 1:250,000 scale)

Geographic areas

Country State County
United States California San Mateo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004 S 006 W 07 California

Commodities

Commodity Importance
Stone Primary

Nearby scientific data

Ore Body (1) -122.49995, 37.6168
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Non-metallic
Significant No

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner American Rock And Asphalt, Inc.
    ID 400362

Reference information

Bibliographic references

  • Deposit

    MSHA MINE FILE REFERENCE, APRIL, 1979.

  • Deposit

    STONE MINED IS LIMESTONE FOR AGGREGATE USES

  • Deposit

    LOCATED ALSO IN SEC. 8

  • Deposit

    CALIF. DIV. MINES AND GEOLOGY SPECIAL PUBL. 103, 1990.

Reporter information

Type Date Name Affiliation Comment
Reporter 28-FEB-1991 Lowe, Nathan T. 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)

StatusAbandoned since 04/03/1987
MSHA mine ID0400362
Mine name (MSHA)Pacifica Quarry
Current operatorQuarry Products Inc
Current controller (parent)Mary Bottoms
Mine typeSurface (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.