Commodities
PrimaryCopper, Zinc
SecondaryGold, Platinum, Silver, Iron
Commodity typeM
Deposit
Model184: Massive sulfide, kuroko
Deposit sizeS
Orebody formLENTICULAR
Ore controlFolds, Thick Cover Of Shale, Premineral Faulting May Have Provided Channelways For Mineralizing Fluids
Materials
Ore mineralsAntlerite, Chalcocite, Chalcopyrite, Covellite, Galena, Greenockite, Hematite, Ilmenite, Magnetite, Malachite, Pyrite, Pyrrhotite, Sphalerite, Sulfur
GangueCalcite, Quartz
Geology
Host rockRhyolite · Balaklala Rhyolite
Associated rockShale
StructureFolds, Major Post-Mineral Faults Are Scott, Camden, And J Faults; The Camden Also Had Premineral Movement. Scott Fault Zone Is 3-5 Ft Wide With Many Anastomosing Slickensides And Dark-Gray To White Gouge. Scott Is A Normal Fault, Dipping 50ne, With 250 Ft Dip-Slip Displacement. Camden Fault Zone Is 50 Ft Wide At 2,600 Ft Level.
Tectonic settingIsland Arc Within Klamath Mountains Accreted Terrane
AlterationHydrothermal Pyritization, Silicification
Economic & production
Development statusPast Producer
Production years1897-1919, 1925, 1928-1930, 1943-1947
First production1897
Last production1962
Discovery year1865
Identification
Deposit ID10077593
MRDS IDW025295
RegionNA
Data scoreA
Coordinates40.67541, -122.52777
References
KINKEL, A.R., HALL, W.E., AND ALBERS, J.P., 1956, GEOLOGY AND BASE-METAL DEPOSITS OF WEST SHASTA COPPER-ZINC DISTRICT, SHASTA COUNTY, CALIFORNIA: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 285, P. 117-129.EILERS, A., 1913, RARE METALS IN BLISTER COPPER: AMERICAN INSTITUTE OF MINING ENGINEERS TRANSACTIONS, V. 47, P. 217-218.NOTES PROVIDED FOR SOCIETY OF ECONOMIC GEOLOGISTS KLAMATH MOUNTAINS FIELD TRIP, OCTOBER 7-13, 1984.KINKEL, A.R., AND ALBERS, J.P., 1951, GEOLOGY OF THE MASSIVE SULFIDE DEPOSITS AT IRON MOUNTAIN, SHASTA COUNTY, CALIFORNIA: CALIFORNIA DIVISION OF MINES SPECIAL REPORT 14, 19 P.CALIFORNIA GEOLOGY, 1986, MINERAL INDUSTRY OF CALIFORNIA, 1985: CALIFORNIA GEOLOGY, V. 39, P. 93.KINKEL AND OTHERS, 1956, P. 118; SEG FIELD TRIP NOTES