| Deposit ID | 10212230 |
|---|---|
| MAS/MILS ID | 0060270451 |
| Record type | Site |
| Current site name | Excelsior Pit |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -116.21306, 35.84389 (WGS84) |
| Elevation | 415 |
| Location accuracy | 5000(meters) |
Political divisions (FIPS codes)
Inyo(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Tecopa(quadrangle 1:24,000 scale)
Owlshead Mountains(quadrangle 1:100,000 scale)
Trona(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Amargosa(hydrologic unit)
Northern Mojave(hydrologic accounting unit)
Northern Mojave-Mono Lake(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Inyo |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| San Bernardino | 020 N | 007 E | California |
| Commodity | Importance |
|---|---|
| Talc-Soapstone | Primary |
| Ore Body (1) | -116.21306, 35.84389 |
|---|
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Non-metallic |
| Significant | No |
| Type of mineral rights | Unknown |
|---|
| Ownership category | Unknown |
|---|
| Type | Operator |
|---|---|
| Owner | Pfizer, Inc. |
| ID | 404505 |
| Home office | California |
| Year | 1981 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060270451 | |
| Mine Safety and Health Administration | MSHA | MSHA | 0404505 |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 31-MAR-91 | Western Field Operations Center (WFOC) | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 05/21/1985 |
|---|---|
| MSHA mine ID | 0404505 |
| Mine name (MSHA) | Excelsior Pit |
| Current operator | Pfizer Inc |
| Current controller (parent) | Minerals Technologies Inc |
| 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MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date.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.