| Deposit ID | 10114142 |
|---|---|
| MRDS ID | M006751 |
| MAS/MILS ID | 0060090677 |
| Record type | Site |
| Current site name | Blackstone |
| Related records | 10029299 |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -120.57601, 38.38571 (WGS84) |
| Elevation | 671 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Calaveras(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
West Point(quadrangle 1:24,000 scale)
San Andreas(quadrangle 1:100,000 scale)
Sacramento(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Mokelumne(hydrologic unit)
San Joaquin(hydrologic accounting unit)
San Joaquin(hydrologic subregion)
California(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management CA)
Bureau of Land Management CA BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | California | Calaveras |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 006 N | 013 E | 07 | NE | California |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Tertiary |
| Ore Body (1) | -120.57601, 38.38571 |
|---|
| Operation type | Underground |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Ownership category | Unknown |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | U.S. Gold Mines, Inc. |
| ID | 404064 |
| Home office | California |
| Year | 1990 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060090677 | |
| USGS | Mineral Resources Data System | MRDS | M006751 | MAS references MRDS |
| Mine Safety and Health Administration | MSHA | MSHA | 0404064 |
MINERALS YEARBOOK 48-50
CALIF. DIV. MINES AND GEOL. SPECIAL PUBLICATION 103, 1990.
ALSO LOCATED IN NW1/4 SEC 08.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 19-DEC-1996 | Lowe, Nathan T. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 02/02/1978 |
|---|---|
| MSHA mine ID | 0404064 |
| Mine name (MSHA) | Blackstone Mine |
| Current operator | Richard Chilson Owner |
| 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.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.