Mine detail: Rising Star

Previously called 'Anchor Lode'

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Location

Lat / long:

40.79568, -122.20915

Resource(M)

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

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Bully Hill Rhyolite
Host type:	Rhyolite
Structure:	Shear Zones; Rising Star Shear Zone Strikes N 60 Deg. W And Dips 80 Deg. Ne, 40 Ft. Thick Near Surface Thining With Depth. Middle Shear Zone Is Irregular, Generally Strikes N 30 Deg. W, Dips To Southwest 85 - 70 Deg., As Thick As 30 Ft.,
Tectonic:	Island Arc
Alteration processes:	Hydrothermal, Pyritization, Albitization, Chloritization, Silicification, Sulfatization And Hydrous Mica Alteration.

References

MRDS	W025220
DEP	10077524
Reference	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
Reporter	Fraticelli, L. A. (Albers, J.)