Commodities
PrimaryCopper
SecondaryZinc, Silver, Gold
Commodity typeM
Deposit
Model187: Massive sulfide, Sierran kuroko
Deposit sizeS
WorkingsUnderground
Orebody formLENTICULAR
Ore controlOre Bodies Occur In And Near The Prominent Northward - Striking Bully Hill Shear Zone.
Materials
Ore mineralsBornite, Chalcopyrite, Galena, Pyrite, Sphalerite
GangueAnhydrite, Barite, Gypsum
Geology
Host rockRhyolite · Bully Hill Rhyolite
StructureFaults, Folds, Shear Zones
Tectonic settingIsland Arc
AlterationSilicification, Sulfatization Albitization, Chloritization, Hydrous Mica Alteration And Pyritization.
Economic & production
Development statusProducer
Production years1902 - 1910 , 1915 - 1918 , 1920 - 1922 , 1924 - 1927
Identification
Deposit ID10111069
MRDS IDW025217
Alternate namesDelamar, Shasta Zinc and Copper
RegionNA
Data scoreB
Coordinates40.79902, -122.20387
References
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 .ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL 144 ; CALIF. DIV. MINES, PG. 32 .ERIC, J. H., 1948 , COPPER IN CALIF. BULL 144 , CALIF. DIV. OF MINES, PG 327