Bully Hill

The Bully Hill is a copper mine located in Shasta county, California at an elevation of 1,299 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: Bully Hill  

State:  California

County:  Shasta

Elevation: 1,299 Feet (396 Meters)

Commodity: Copper

Lat, Long: 40.79917, -122.20278

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 Bully Hill

Bully Hill MRDS details

Site Name

Primary: Bully Hill
Secondary: Shasta Zinc and Copper
Secondary: Delamar


Commodity

Primary: Copper
Secondary: Zinc
Secondary: Silver
Secondary: Gold


Location

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


Land Status

Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: Y
Deposit Size: L


Physiography

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


Mineral Deposit Model

Model Name: Massive sulfide, Sierran kuroko


Orebody

Form: LENTICULAR


Structure

Type: L
Description: Faults, Folds, Shear Zones


Alterations

Alteration Type: L
Alteration Text: Silicification, Sulfatization Albitization, Chloritization, Hydrous Mica Alteration And Pyritization.


Rocks

Name: Rhyolite
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic

Name: Rhyolite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Jurassic


Analytical Data

Not available


Materials

Ore: Pyrite
Ore: Bornite
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Galena
Gangue: Barite
Gangue: Gypsum
Gangue: Anhydrite


Comments

Comment (Geology): GEOL.DESC: TUFFS AND MUDSTONES OF THE PIT FORMATION OCCUPY THE EAST SIDE OF BULLY HILL TO AN ALTITUDE OF 1,700 FT., VOLCANIC FLOW AND PYROCLASTIC ROCKS OF THE BULLY HILL RHYOLITE UNDERLIE THE REST OF THE HILL. THE BULLY HILL RHYOLITE FORMS THE CORE OF A SOUTHWARD - PLUNGING ANTICLINE. THE ORE BODIES ARE FOUND IN THE EAST LIMB OF THE STEEPLY DIPPING, PARTLY OVERTURNED ANTICLINE.

Comment (Commodity): ORE CONSISTS OF MIXTURE OF DENSE, FINE - GRAINED HYPOGENE SULFIDES, SECONDARY MINERALS INCLUDE NATIVE COPPER, BORNITE, CHALCOCITE, COVELLITE, CUPRITE, MALACHITE, AZURITE AND LIMONITE.

Comment (Production): ASSAYS OF ABOUT 9,000 TONS OF ORE IN 1922 AVERAGED ZN 22.9 %, CU $2.42 /TON SILVER 1.19 OZ/TON, GOLD $.033 /TON. CUMULATIVE PRODUCTION TABLE ARE VALUES FROM BULLY HILL AND RISING STAR MINE COMBINED.

Comment (Deposit): ORE REPLACED METACLACITE ENGULFED IN THE METADIABASE.


References

Reference (Deposit): ALBERS, J. P. AND ROBERTSON, J. F., 1961 , GEOLOGY AND ORE DEPOSITS, EAST SHASTA COPPER - ZINC DISTRICT, SHASTA COUNTY, CALIF.; GEOLOGICAL SURVEY PROFESSIONAL PAPER 338 , PG. 88 - 100 .

Reference (Deposit): ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL 144 ; CALIF. DIV. MINES, PG. 32 .

Reference (Production): ERIC, J. H., 1948 , COPPER IN CALIF. BULL 144 , CALIF. DIV. OF MINES, PG 327


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