| Deposit ID | 10292879 |
|---|---|
| MAS/MILS ID | 0290990046 |
| Record type | Site |
| Current site name | Unimin Plant |
| Alternate or previous names | Unisil Corp |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -90.3707, 38.21396 (WGS84) |
| Elevation | 122 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Jefferson(county)
Missouri(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Selma(quadrangle 1:24,000 scale)
Festus(quadrangle 1:100,000 scale)
Saint Louis(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Cahokia-Joachim(hydrologic unit)
Upper Mississippi-Meramec(hydrologic accounting unit)
Upper Mississippi-Kaskaskia-Meramec(hydrologic subregion)
Upper Mississippi(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Missouri | Jefferson |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 5th Principal | 040 N | 006 E | 08 | E2E2E2 | Missouri |
| Commodity | Importance |
|---|---|
| Silica | Primary |
| Ore Body (1) | -90.3707, 38.21396 |
|---|
| Operation type | Processing Plant |
|---|---|
| Development status | Producer |
| Commodity type | Metallic |
| Significant | No |
| Ownership category | Private |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Unimin Corp |
| ID | 2300786 |
| Year | 1979 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0290990046 | |
| Mine Safety and Health Administration | MSHA | MSHA | 2300786 |
MGS PRODUCERS DIRECTORY
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 22-MAR-95 | Missouri Department Of Natural Resources - Searcy | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 01/21/1983 |
|---|---|
| MSHA mine ID | 2300786 |
| Mine name (MSHA) | Unimin Mine & Mill |
| Current operator | Unimin Corp |
| Current controller (parent) | Covia Holdings LLC |
| Mine type | Underground (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MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date.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.