Early Bird

The Early Bird is a copper mine located in Shasta county, California at an elevation of 2,700 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Early Bird

State:  California

County:  Shasta

Elevation: 2,700 Feet (823 Meters)

Commodity: Copper

Lat, Long: 40.71667, -122.51667

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Early Bird

Early Bird MRDS details

Site Name

Primary: Early Bird


Commodity

Primary: Copper
Secondary: Silver
Secondary: Gold


Location

State: California
County: Shasta
District: West Shasta Copper - Zinc


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Year: 1928
Time Period: 1925 - 1928
Material type: CU
Description: Ap_Grade: ^3.4 % Cu, .034 Oz/Ton Au, 2.0 Oz/Ton Ag
Year: 1925
Time Period: 1922 - 1925
Material type: CU
Description: Ap_Grade: ^10.27 % Cu, .015 Oz/Ton Au, .41 Oz/Ton Ag


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains


Mineral Deposit Model

Model Name: Massive sulfide, kuroko


Orebody

Form: TABULAR/BLANKET


Structure

Type: L
Description: Fault Divides Ore Body, South Porphyritic Rhyolite Which Is Overlain By A Flow Of Nonporphyritic Rhyolite.


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Pyrite
Ore: Sphalerite
Ore: Chalcopyrite
Gangue: Calcite
Gangue: Quartz


Comments

Comment (Commodity): ORE IS LARGELY PYRITE WITH CHALCOPYRITE AND SPHALERITE OCCUR INTERSTITIAL TO PYRITE.

Comment (Production): ORE FROM FOUR DRILL HOLES AVERAGED .03 OZ/TON AU, 1.53 OZ/TON AG AND 3.01 % CU

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

Comment (Geology): GEOL.DESC: ORE BODY IS IN LIGHT - GRAY SILICEOUS


References

Reference (Deposit): KINKEL, A. R., HALL, W. E. AND ALBERS, J. P., 1956 , GEOLOGY AND BASE METAL DEPOSITS OF WEST SHASTA, COPPER - ZINC DISTRICT, SHASTA COUNTY, CALIF., GEOLOGICAL SURVEY PROFESSIONAL PAPER 285 , PG. 109 - 112


California Gold

Where to Find Gold in California

"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.