| Deposit ID | 10174035 |
|---|---|
| MAS/MILS ID | 0320090732 |
| Record type | Site |
| Current site name | Basalt Mine and Mill |
| Point of reference | Pit |
|---|---|
| Geographic coordinates: | -118.21984, 38.01073 (WGS84) |
| Location accuracy | 500(meters) |
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)
| Country | State | County |
|---|---|---|
| United States | Nevada | Esmeralda |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 002 N | 034 E | 29 | Nevada |
| Commodity | Importance |
|---|---|
| Diatomite | Primary |
| Pit (1) | -118.21984, 38.01073 |
|---|
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Non-metallic |
| Significant | No |
| Type | Owner-Operator |
|---|---|
| Owner | Grefco, Inc. |
| ID | 2600125 |
| Year | 1989 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0320090732 | |
| Mine Safety and Health Administration | MSHA | MSHA | 2600125 |
NEV. BUREAU OF MINES AND GEOL. SPECIAL PUBLICATION 10, 1990,
P. 21.
ALSO LOCATED IN MINERAL COUNTY.
NEV. DIV. MINE INSPECTION, 1982, DIRECTORY OF NEVADA MINE
OPERATIONS ACTIVE DURING CALENDAR YEAR 1982, P. 17.
NEV. DIV. MINE INSPECTION, 1991, DIRECTORY OF NEVADA MINE
OPERATIONS ACTIVE DURING CALENDAR YEAR 1990, P. 31.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 20-AUG-1991 | Lowe, Nathan T. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Active since 10/01/2013 |
|---|---|
| MSHA mine ID | 2600125 |
| Mine name (MSHA) | Grefco Mine & Mill |
| Current operator | Grefco Minerals LLC |
| Current controller (parent) | Dicalite Management Group LLC |
| Mine type | Surface (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.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.