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Dorer

Past Producer in Placer county in California, United States with commodities Gold, Lead, Copper, Zinc
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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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10086482
MRDS ID X024421
Record type Site
Current site name Dorer
Alternate or previous names Anchor Mng. Co.
Related records 10304537

Geographic coordinates

Geographic coordinates: -120.72214, 39.18239 (WGS84)
Elevation 1224
Relative position 2 1/2 MI. SE SHADY RUN.

Site location context

Political divisions (FIPS codes)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Westville(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Tahoe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Placer

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 015N 011E 03 California

Comments on the location information

  • UTM ACC. NE 1/4 SW 1/4 AND SW 1/4 NE 1/4 .

Commodities

Commodity Importance
Gold Primary
Lead Primary
Copper Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Pyrite Ore
Sphalerite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Pennsylvanian
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Economic information

Ore body information

  • Strike N
    Dip 80 E
    Thickness 1.83M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Dutch Flat

Land status

Ownership category National Forest

Comments on the production information

  • NO OTHER PRODUCTION RECORD FOUND.

Workings at the site

  • Type of workings Underground
    Length 137.16M
    Overall depth 24.38M

Comments on the workings information

  • 3 TUNNELS, ADITS.

Reference information

Bibliographic references

  • Deposit

    LOGAN, C. A., 1936 , GOLD MINES OF PLACER COUNTY, CALIFORNIA; CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 32 , NO. 1 , P. 21 , 42 .

  • Deposit

    WARING, CLARENCE A., 1917 , PLACER COUNTY: REPORT 15 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, P. 338 .

  • Deposit

    CRAWFORD, J. J., 1894 , GOLD--PLACER COUNTY: REPORT 12 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, P. 207 - 8 .

  • Deposit

    SOUTHERN PACIFIC COMPANY, 1964 , MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA, V. 2 , P. 29 .

  • Production

    LINDGREN ( 1894 ), LOGAN ( 1936 ), SOUTHERN PACIFIC CO. ( 1964 ).

General comments

Subject category Comment text
Deposit VEIN, AVG. 4 FT. THICK, CARRIES 2 % SULFIDES.
Deposit ADJOINS CENTRAL CLAIM. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1979 Nelson, Scott C. (Albers, John, P.) 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.