Commodities
PrimaryCopper
SecondaryGold, Silver, Lead
Commodity typeM
Deposit
Model184: Massive sulfide, kuroko
Deposit sizeS
WorkingsUnderground
Orebody formLENTICULAR
Ore controlIntersection Between Rhyolite - Metasedimentary Contact And A Series Of Steeply Dipping Strike Faults.
Materials
Ore mineralsBornite, Chalcocite, Chalcopyrite, Covellite, Galena, Limonite, Malachite, Pyrite, Sphalerite, Azurite, Tennantite, Tetrahedrite, Luzonite
GangueBarite
Geology
Host rockRhyolite · Bully Hill Rhyolite
Tectonic settingIsland Arc
AlterationSilicified, Pyritized, Sericite, Carbonatization, Albitization
Economic & production
Development statusPast Producer
Production years1905 - 1952
First production1873
Last production1952
Discovery year1862
Identification
Deposit ID10077520
MRDS IDW025215
Alternate namesCopper Hill
RegionNA
Data scoreB
Coordinates40.73596, -122.08331
References
ALBERS, J. P., AND ROBERTSON, J. F., 1961 , GEOL. AND ORE DEPOSITS OF EAST SHASTA, COPPER - ZINC DISTRICT, SHASTA COUNTY, CAL.: U.S. GEOLOGICAL SURVEY PROF. PAPER 388 , 107 P.LYDON, P. A., AND O'BRIEN, J. C., 1974 , CALIF. DIV. MINES AND GEOLOGY COUNTY REPT. 6 , SHASTA COUNTY, P. 31 , 104 .STINSON, M. C., 1957 , CALIF. JOURNAL OF MINES AND GEOLOGY, VOL. 53 , PG. 684 .Mosier, D.L., Berger, V.I., and Singer, D.A., 2009, Volcanogenic massive sulfide deposits of the world; database and grade and tonnage models: U.S. Geological Survey Open-File Report 2009-1034 [http://pubs.usgs.gov/of/2009/1034/].LYDON P. A., AND O'BRIEN, J. C., 1972