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Early Bird

Past Producer in Shasta county in California, United States with commodities Copper, Silver, 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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10072349
MRDS ID W017584
Record type Site
Current site name Early Bird
Related records 10116552

Geographic coordinates

Geographic coordinates: -122.51777, 40.71652 (WGS84)
Elevation 823
Relative position 1 MILE W. OF BALAKLALA MINE

Site location context

Political divisions (FIPS codes)

Shasta(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Whiskeytown(quadrangle 1:24,000 scale)

Redding(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Shasta-Trinity 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 Shasta

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 033N 006W 11 California

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary

Comments on the commodity information

  • ORE IS LARGELY PYRITE WITH CHALCOPYRITE AND SPHALERITE OCCUR INTERSTITIAL TO PYRITE.

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Sphalerite Ore
Calcite Gangue
Quartz Gangue

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -122.51777, 40.71652
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault Divides Ore Body, South Porphyritic Rhyolite Which Is Overlain By A Flow Of Nonporphyritic Rhyolite.

Ore body information

  • General form TABULAR/BLANKET
    Thickness 9.14M
    Length 140.21M
    Width 25.91M

Comments on the geologic information

  • GEOL.DESC: ORE BODY IS IN LIGHT - GRAY SILICEOUS

Economic information about the deposit and operations

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

Mining district

District name West Shasta Copper - Zinc

Production statistics

  • Year 1925
    Period 1922 - 1925
    Material CU
    Accuracy Accurate
    Description Ap_Grade: ^10.27 % Cu, .015 Oz/Ton Au, .41 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 12g/mt
    Major Copper Copper 10wt-pct
    Minor Gold Gold 0g/mt
  • Year 1928
    Period 1925 - 1928
    Material CU
    Accuracy Accurate
    Description Ap_Grade: ^3.4 % Cu, .034 Oz/Ton Au, 2.0 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 56g/mt
    Minor Gold Gold 1g/mt
    Major Copper Copper 3wt-pct

Comments on the production information

  • ORE FROM FOUR DRILL HOLES AVERAGED .03 OZ/TON AU, 1.53 OZ/TON AG AND 3.01 % CU

Workings at the site

  • Type of workings Underground
    Length 246.89M

Reference information

General comments

Subject category Comment text
Deposit ORE BODY PROBALY OCCURS BETWEEN 200 - 300 FT. STRATIGRAPHICALLY BELOW SHALE OF KENNETT FORMATION. THE ORE IS DENSE, METALLIC LOOKING AND STRUCTURELESS.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-JAN-1976 Weeks, Robert U.S. Geological Survey
Updater 01-APR-1978 Fraticelli, L. A. (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.