1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Black Oak

Occurrence in El Dorado county in California, United States with commodity Gold
Map
XML
JSON
KML
D
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10030101
MRDS ID M008022
Record type Site
Current site name Black Oak

Geographic coordinates

Geographic coordinates: -120.84519, 38.84601 (WGS84)
Relative position NE1/4, NEAR GARDEN VALLEY SCHOOL.

Site location context

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)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 012N 010E 34 California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

(1) -120.84519, 38.84601
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner R. J. Wilson

Comments on the production information

  • FIRST WORKED AS A POCKET MINE BUT HAD PRODUCED LITTLE. THE ACTIVITY IN 1934 WAS PROVING SUCCESSFUL WITH SHIPMENTS OF SOME ORE RICH ENOUGH TO GO DIRECT TO SMELTER AND SOME OF MILLING GRADE WAS SHIPPED TO THE HART MILL FOR CRUSHING.

Comments on the workings information

  • SHALLOW WORKINGS - IN 1934 WAS BEING WORKED AT DEPTH OF 55 FT.; SMALL PLANT.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 34, NO. 3, P. 259

  • Deposit

    DOM BULL. 108, PP. 20-21

General comments

Subject category Comment text
Deposit SMALL CLAIM OF 7 ACRES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.