| Deposit ID | 10286853 |
|---|---|
| MRDS ID | W024973 |
| MAS/MILS ID | 0060730716 |
| Record type | Site |
| Current site name | Crystal Silica Company |
| Alternate or previous names | Crystal Silica Pit, Crystal Silica Sand Co. |
| Related records | 10077378 |
| Point of reference | Pit |
|---|---|
| Geographic coordinates: | -117.32226, 33.21335 (WGS84) |
| Elevation | 24 |
| Location accuracy | 500(meters) |
Political divisions (FIPS codes)
San Diego(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
San Luis Rey(quadrangle 1:24,000 scale)
Oceanside(quadrangle 1:100,000 scale)
Santa Ana(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
San Luis Rey-Escondido(hydrologic unit)
Laguna-San Diego Coastal(hydrologic accounting unit)
Southern California Coastal(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | San Diego |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| San Bernardino | 011 S | 004 W | 20 | C | California |
| Commodity | Importance |
|---|---|
| Silica | Primary |
| Pit (1) | -117.32226, 33.21335 |
|---|
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Type of mineral rights | Patented |
|---|
| Ownership category | Private |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Crystal Silica Co. |
| ID | 402304 |
| Home office | P. O. Box 1280 Oceanside, Ca. 92054 |
| Year | 1981 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060730716 | |
| USGS | Mineral Resources Data System | MRDS | W024973 | MAS references MRDS |
| Mine Safety and Health Administration | MSHA | MSHA | 0402304 |
CALIF. DIV. MINES AND GEOL. COUNTY REPORT 3, 1963, P. 253-
255.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 19-OCT-1995 | Rumsey, Clayton M. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 10/04/1991 |
|---|---|
| MSHA mine ID | 0402304 |
| Mine name (MSHA) | Oceanside Plant |
| Current operator | U S Silica Company |
| Current controller (parent) | Rio Tinto Group |
| 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.