| Deposit ID | 10284110 |
|---|---|
| MRDS ID | W023548 |
| MAS/MILS ID | 0060130152 |
| Record type | Site |
| Current site name | Byron Pit |
| Alternate or previous names | Byron Plant |
| Related records | 10076511 |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -121.67383, 37.86381 (WGS84) |
| Elevation | 24 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Contra Costa(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Byron Hot Springs(quadrangle 1:24,000 scale)
Stockton(quadrangle 1:100,000 scale)
San Jose(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
San Joaquin Delta(hydrologic unit)
San Joaquin(hydrologic accounting unit)
San Joaquin(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Contra Costa |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 001 S | 003 E | 05 | SESE | California |
| Commodity | Importance |
|---|---|
| Silica | Primary |
| Ore Body (1) | -121.67383, 37.86381 |
|---|
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Metallic |
| Significant | No |
| Ownership category | Unknown |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Unimin Corp. |
| ID | 401949 |
| Home office | California |
| Year | 1990 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060130152 | |
| USGS | Mineral Resources Data System | MRDS | W023548 | MAS references MRDS |
| Mine Safety and Health Administration | MSHA | MSHA | 0401949 |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 11-FEB-91 | 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 09/17/1974 |
|---|---|
| MSHA mine ID | 0401949 |
| Mine name (MSHA) | G3 Enterprises Byron Plant |
| Current operator | G3 Enterprises, Inc. |
| Current controller (parent) | Tom Cook |
| 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MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date.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.