Cyprus Indus Minerals/S. Plainfield

Plant in Middlesex county in New Jersey, United States with commodity Talc-Soapstone
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Land status
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10222903
MAS/MILS ID 0340239916
Record type Site
Current site name Cyprus Indus Minerals/S. Plainfield

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -74.39678, 40.5381 (WGS84)
Elevation 27
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Middlesex(county)

New Jersey(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Plainfield(quadrangle 1:24,000 scale)

Newark(quadrangle 1:100,000 scale)

Newark(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Raritan(hydrologic unit)

Lower Hudson(hydrologic accounting unit)

Lower Hudson-Long Island(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country State County
United States New Jersey Middlesex

Commodities

Commodity Importance
Talc-Soapstone Primary

Nearby scientific data

Main Entrance (1) -74.39678, 40.5381

Economic information

Economic information about the deposit and operations

Operation type Processing Plant
Development status Plant
Commodity type Non-metallic
Significant No
Plant type Beneficiation (Mill)

Land status

Ownership category Private

Ownership information

  • Type Unknown
    Owner Cyprus Industrial Minerals Co.
    ID 2800959
    Year 1981
  • Type Unknown
    Owner Amoco Minerals Co.
    ID 2800959
    Year 1981

Reference information

Bibliographic references

  • Deposit

    MSHA INSPECTION REPORT 4/6/81.

  • Deposit

    MSHA LIST 5/18/81.

  • Deposit

    RCF & CMS LISTS 10/81.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-NOV-1983 Eastern Field Operations Center (EFOC) 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 05/31/1988
MSHA mine ID2800959
Mine name (MSHA)South Plainfield Mill
Current operatorCyprus Mines Corp
Current controller (parent)Cyprus Amax Minerals Company
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.