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Marine Magnesium Co. Seawater Plant

Producer in San Mateo county in California, United States with commodity Magnesite
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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 10190011
MAS/MILS ID 0060819014
Record type Site
Current site name Marine Magnesium Co. Seawater Plant
Alternate or previous names Merck & Co. Plant

Geographic coordinates

Point of reference Plant
Geographic coordinates: -122.37935, 37.6513 (WGS84)
Elevation 10
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

San Francisco South(quadrangle 1:24,000 scale)

San Francisco(quadrangle 1:100,000 scale)

San Francisco(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco 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 San Mateo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003 S 005 W 23 C S2S2 California

Commodities

Commodity Importance
Magnesite Primary

Nearby scientific data

Plant (1) -122.37935, 37.6513
ListMap

Economic information

Comments on the geologic information

  • PRODUCES CAUSTIC CALCINE FROM SEA WATER.

Economic information about the deposit and operations

Operation type Brine Operation
Development status Producer
Commodity type Metallic
Significant Yes
Milling method Crystallization

Ownership information

  • Type Owner
    Owner Genentech, Inc.
    Home office California
    Year 1989
  • Type Operator
    Owner Marine Magnesium Co.
    Home office California
    Year 1989

Comments on the ownership information

  • THE ORIGINAL OPERATOR OF THE 15,000 TPA SPECIALITY MAGNESIA PLANT WAS MERCK & CO., WHICH SOLD THE PLANT TO GENENTECH, INC., IN 1987. MARINE MAGNESIUM CO. LEASES THE PLANT GENENTECH, INC.

Reference information

Bibliographic references

  • Deposit

    INDUSTRIAL MINERALS, AUG. 1983, P. 74, 85.

  • Deposit

    INDUSTRIAL MINERALS, SEPT. 1989, P. 51.

  • Deposit

    MINING ENGINEERING, JUNE 1989, P. 412.

  • Deposit

    MINING ENGINEERING, JUNE, 1990, P. 569.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-OCT-1996 Ridenour, James U.S. Bureau of Mines

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.