Basalt Mine and Mill

Producer in Esmeralda county in Nevada, United States with commodity Diatomite
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 10174035
MAS/MILS ID 0320090732
Record type Site
Current site name Basalt Mine and Mill

Geographic coordinates

Point of reference Pit
Geographic coordinates: -118.21984, 38.01073 (WGS84)
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Esmeralda(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Miller Mountain(quadrangle 1:24,000 scale)

Excelsior Mountains(quadrangle 1:100,000 scale)

Walker Lake(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fish Lake-Soda Spring Valleys(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Esmeralda

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002 N 034 E 29 Nevada

Commodities

Commodity Importance
Diatomite Primary

Nearby scientific data

Pit (1) -118.21984, 38.01073

Economic information

Economic information about the deposit and operations

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

Ownership information

  • Type Owner-Operator
    Owner Grefco, Inc.
    ID 2600125
    Year 1989

Reference information

Bibliographic references

  • Deposit

    NEV. BUREAU OF MINES AND GEOL. SPECIAL PUBLICATION 10, 1990,

  • Deposit

    P. 21.

  • Deposit

    ALSO LOCATED IN MINERAL COUNTY.

  • Deposit

    NEV. DIV. MINE INSPECTION, 1982, DIRECTORY OF NEVADA MINE

  • Deposit

    OPERATIONS ACTIVE DURING CALENDAR YEAR 1982, P. 17.

  • Deposit

    NEV. DIV. MINE INSPECTION, 1991, DIRECTORY OF NEVADA MINE

  • Deposit

    OPERATIONS ACTIVE DURING CALENDAR YEAR 1990, P. 31.

Reporter information

Type Date Name Affiliation Comment
Reporter 20-AUG-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)

StatusActive since 10/01/2013
MSHA mine ID2600125
Mine name (MSHA)Grefco Mine & Mill
Current operatorGrefco Minerals LLC
Current controller (parent)Dicalite Management Group LLC
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.

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.