| Deposit ID | 10187630 |
|---|---|
| MRDS ID | C008022 |
| MAS/MILS ID | 0060170578 |
| Record type | Site |
| Current site name | Black Oak Mine |
| Related records | 10007027 |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -120.84772, 38.8574 (WGS84) |
| Elevation | 616 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
El Dorado(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Garden Valley(quadrangle 1:24,000 scale)
Placerville(quadrangle 1:100,000 scale)
Sacramento(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
South Fork American(hydrologic unit)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | El Dorado |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 012 N | 010 E | 27 | SWSE | California |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Main Entrance (1) | -120.84772, 38.8574 |
|---|
| Operation type | Underground |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Ownership category | Private |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060170578 | |
| USGS | Mineral Resources Data System | MRDS | C008022 | MAS references MRDS |
CAL JRN MNS & GEOL V 52 NO 4 P 409-11 488
INCL CLARK, DAVEY, DAYTON CONSOLIDATED
STATE REFERENCE SHOW IN 34
CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD, CENTRAL
VALLEY REGION, INACTIVE MINE DRAINAGE IN THE SACRAMENTO
VALLEY, CALIFORNIA, STAFF REPORT, JULY, 1992, P65.
| Subject category | Comment text |
|---|---|
| Deposit | GOLD MINE SITE WAS OVERGROWN WITH BRUSH. WASTE ROCK WAS INDISTINGUISHABLE FORM THE NATURAL LANDSCAPE. THE SURROUNDING SOIL DID NOT APPEAR REACTIVE. ONE ADIT AND ONE SHAFT WERE ABSERVED THROUGH NEITHER SHOWED EVIDENCE OF DISCHARGE. NO DELETERIOUS DEISHARGES WERE OBSERVED. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 23-MAY-1996 | Western Field Operations Center (WFOC) | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.