Commodities
PrimaryCopper
TertiaryBarium-Barite, Zinc, Gold
Commodity typeB
Deposit
Model91: Massive sulfide, Besshi (Japanese deposits)
Deposit sizeS
WorkingsUnderground
Orebody formLENSES
Ore controlBedding
Materials
Ore mineralsChalcopyrite, Pyrite, Pyrrhotite, Sphalerite
GangueActinolite, Albite, Barite, Calcite, Epidote, Garnet, Hornblende
Geology
Host rockAmphibolite · Ashe Formation
Associated rockGneiss · Ashe Formation
Tectonic settingBlue Ridge Province
AlterationCalcic, Silic, Fe-Mg Enrichment
Economic & production
Development statusPast Producer
First production1875
Last production1880
Identification
Deposit ID10084195
MRDS IDW101264
RegionNA
Data scoreB
Coordinates36.33758, -81.67761
References
KINKEL, A.R., JR., 1967, THE ORE KNOB COPPER DEPOSIT NORTH CAROLINA, AND OTHER MASSIVE SULFIDE DEPOSITS OF THE APPALACHIANS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 558; LUTTRELL, G.W., 1978, GOLD, BASE-METAL, AND RELATED DEPOSITS OF NORTH CAROLINA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 78-152, P. 144