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Finney Mine

Past Producer in Sierra county in California, United States with commodity Gold
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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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10086555
MRDS ID X025488
Record type Site
Current site name Finney Mine
Related records 10286758

Geographic coordinates

Geographic coordinates: -120.87937, 39.5846 (WGS84)
Elevation 914
Relative position 2 1/2 MI. NW OF DOWNIEVILLE

Site location context

Political divisions (FIPS codes)

Sierra(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Goodyears Bar(quadrangle 1:24,000 scale)

Portola(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(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 Sierra

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 020N 010E 20 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

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

Nearby scientific data

(1) -120.87937, 39.5846
ListMap

Economic information

Ore body information

  • General form PINCH & SWELL
    Strike S 20 E
    Dip 80 E
    Thickness 2.13M

Comments on the geologic information

  • FEW INCHES TO 7 FT. THICK VEIN ON CONTACT BETWEEN AMPHIBOLITE SCHIST FOOTWALL & SLATE, SCHIST AND DIKES ON HANGING WALL. COUNTRY ROCK CHARACTERISTIC OF ALLEGHANY-DOWNIEVILLE SERPENTINE BELT.

Economic information about the deposit and operations

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

Comments on the production information

  • OLD MINE. FROM 1930 - 1936 GRADE WAS SAID TO VARY $12 - $15/TON.

Workings at the site

  • Type of workings Underground
    Overall depth 45.72M

Comments on the workings information

  • 150 FT. SHAFT W DRIFTS ABOUT 515 FT. ADIT 1100 FT. RAISE ABOUT 250 FT.

Reference information

Bibliographic references

  • Deposit

    AVERILL, C. V., 1942 , MINES AND MINERAL RESOURCES OF SIERRA CO.: CDM CALIF. JOUR. MINES AND GEOL., VOL. 38 , NO. 1 , P. 26 , 55 .

  • Deposit

    LOGAN, C. A., 1929 , SIERRA CO.: CDMM 25TH REPORT STATE MINERALOGIST, APRIL, P. 177 .

  • Production

    AVERILL, 1942

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Hayden, F. (Albers, J.) U.S. Geological Survey

Beyond USGS

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

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.