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Alaska

Past Producer in Sierra county in California, United States with commodities Gold, Lead, Copper, Silver
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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. Production statistics
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10106524
MRDS ID X025322
Record type Site
Current site name Alaska
Alternate or previous names Sierra Alaska
Related records 10213560

Geographic coordinates

Geographic coordinates: -120.99004, 39.44188 (WGS84)
Relative position 7 3/4 MI W OF ALLEGHANY

Site location context

Political divisions (FIPS codes)

Sierra(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pike(quadrangle 1:24,000 scale)

Truckee(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 018N 009E 05,08 California

Comments on the location information

  • UTM ACC. N 1/2 08. Corrected Lat/long based on PLS and GIS.

Commodities

Commodity Importance
Gold Primary
Lead Secondary
Copper Secondary
Silver Secondary

Comments on the commodity information

  • NEW 626 STOPE ORE STATED TO ASSAY $18/TON

Materials information

Materials Type of material
Gold Ore
Silver Ore
Quartz Gangue
Talc Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite

Nearby scientific data

(1) -120.99004, 39.44188
ListMap

Economic information

Ore body information

  • Strike NE
    Dip 90
    Thickness 5.49M

Comments on the geologic information

  • A SINGLE VEIN WHICH BRANCHES, 3 - 18 FT THICK, WITH FOOTWALL & HANGING WALL EITHER SLATE OR DIORITE BUT MOSTLY SLATE. FAULTING 2500 FT NE SHAFT OFFSETS THE VEIN ABOUT 60 FT S. MCCULLOCH NOTES SILICEOUS ARGILLITE.

Economic information about the deposit and operations

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

Production statistics

  • Year 1953
    Period 1893 - 1953
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^$10/Ton Au .5 Lb/Ton Pb, .08 Lb/Ton Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 41g/mt
    Ore Lead Lead 253g/mt

Comments on the production information

  • INTERMITTENTLY MINED. BY PRODUCTS 48000 LB PB, 8000 LB CU, SOME AG:AU OF 5:6 .

Workings at the site

  • Type of workings Underground
    Area 161.88HA
    Overall depth 207.26M

Comments on the workings information

  • 795 FT SHAFT W 3000 FT OF DRIFT AT 680 FT, 440 FT OR DRIFTING ALONG S STRAND. MAJOR STOPES, GAMMA, 626 , DALMY WINZES

Reference information

Bibliographic references

  • Deposit

    MCCULLOCH, W. C., ETAL, 1964 , MINERALS FOR INDUSTRY, N. CALIF. : SO. PACIFIC CO., VOL. 2 , P. 34 . (Reprinted as California Division of Mines and Geology Special Publication 94, 1987)

  • Deposit

    AVERILL, C. V., 1942 , MINES AND MINERAL RESOURCES OF SIERRA CO.: California Division of Mines, CALIF. JOUR. MINES AND GEOL., VOL. 38 , NO. 1 , P. 17-18 , 50 .

  • Deposit

    LOGAN, C. A., 1929 , SIERRA CO.: California Division of Mines 25TH REPORT STATE MINERALOGIST, APRIL, P. 174 .

  • Production

    AVERILL, 1942 , MCCULLOCH ETAL, 1964

General comments

Subject category Comment text
Deposit VEIN, ORE SHOOT

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.

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.