Mine detail: Bully Hill

Previously called 'DelamarShasta Zinc and Copper'

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Location

Lat / long:

40.79902, -122.20387

Resource(M)

Primary:	Copper
Secondary:	Zinc, Silver, Gold
Ore:	Bornite, Chalcopyrite, Galena, Pyrite, Sphalerite
Gangue:	Anhydrite, Barite, Gypsum
Orebody form:	LENTICULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
Production years:	1902 - 1910 , 1915 - 1918 , 1920 - 1922 , 1924 - 1927

Geology

Host rock:	Bully Hill Rhyolite
Host type:	Rhyolite
Structure:	Faults, Folds, Shear Zones
Tectonic:	Island Arc
Alteration processes:	Silicification, Sulfatization Albitization, Chloritization, Hydrous Mica Alteration And Pyritization.

References

MRDS	W025217
DEP	10111069
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 .}{Deposit:: ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL 144 ; CALIF. DIV. MINES, PG. 32 .}{Production:: ERIC, J. H., 1948 , COPPER IN CALIF. BULL 144 , CALIF. DIV. OF MINES, PG 327}
Reporter	Fraticelli, L. A. (Albers, J.)