North Carolina · Ashe County
Past Producer

Ore Knob Mine

Ashe County, North Carolina, United States
CopperZincGoldSilverIronNickelCobalt
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
SecondaryZinc, Gold, Silver
TertiaryIron, Nickel, Cobalt
Commodity typeM
Deposit
Model{91: Massive sulfide, Besshi (Japanese deposits)}
WorkingsUnderground
Orebody formLENSES AND VEIN-LIKE
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Pyrrhotite, Sphalerite
GangueActinolite, Biotite, Calcite, Epidote, Garnet, Hornblende, Quartz, Albite, Tourmaline
Other materialsAlabandite, Bornite, Chalcocite, Chrysocolla, Magnetite, Malachite, Marcasite, Prochlorite
Geology
Host rockAmphibole Schist · Ashe Formation
Economic & production
Development statusPast Producer
Production years1855-1856, 1873-1883, 1896, 1913, 1917, 1927, 1955-1962
First production1855
Last production1962
Discovery year1855
Identification
Deposit ID10150868
MRDS IDW101464
Alternate namesOre Knob Copper Mine
RegionNA
Data scoreA
Coordinates36.39948, -81.32762
References
{Deposit:: Laurence, R. A., 1968, Ore Deposits Of The Southern Appalachin Ridge, J. D., Ed., Ore Deposits Of The United States, 1931, (Graton-Sales Volume) V. 1/ Am. Inst. Mining, Metall., and Petroleum Engineers}{Deposit:: Vhay, J. S., 1952, Cobalt Resources, Chap. 6 Of Materials Survey - Cobalt: US Bureau of Mines}{Deposit:: Vhay, J. S, Et. Al., 1973, Cobalt Chapter In Brobst, Donald A., Pratt, Walden P., Ed., United States Mineral Resources/ USGS Prof. Paper 820}{Deposit:: Boyd, C. R., 1881, Copper-Ashe County, North Carolina/ Resources In Southwest Virginia}{Deposit:: Hunt, T. Sterry, 1875, The Ore Knob Copper Mine and Some Related Deposits/ Am. Inst. Mining Enginers Trans, 1873-4.}{Deposit:: Kerr, W. C. and Hanna, G. B., 1893, Ore Knob Copper Mine in Ore Knob North Carolina Chapter In Kerr, W. C., Ed., Geology Of North Carolina}{Deposit:: Olcott, E. E., 1875, The Ore Knob Copper Mine and Reduction Ashe County, North Carolina/ Am. Inst. Mining Engineers Transcript}{Deposit:: Staff, Bumines, 1943, Ore Knob Mine, Ashe County, NC, Bureau Of Mines War Minerals Report 61, 11 P.}{Deposit:: Staff, Bumines, 1944, Ore Knob Mine, Ashe County, N. C. (Sup To WMR 61)/ US Bureau of Mines War Minerals Report 1}{Deposit:: Ballard, T. J. and Clayton, A. B., 1948, Investigation of the Knob Copper Mine, Ashe County, North Carolina/ US Bureau Of Mines Report of Investigations 4341, 8 P.}{Deposit:: Knob Copper Mine, Ashe County, North Carolina/ U. S. Bureau Of Mines Report of Investigations 4341, 8 P.}{Deposit:: Tyler, Paul M., 1930, Cobalt: US Bureau Of Mines Information Circular 6331, 33 P.}{Deposit:: Kinkel, Arthur R., Jr., 1962, The Ore Knob Massive Sulfide Copper Deposit, North Carolina- An Example Of Recrystallized Ore/ Economic Geology V. 57}{Deposit:: Kinkel, A.R., 1967, The Ore Knob copper deposit, North Carolina, and other massive sulfide deposits of the Appalachians: US Geological Survey Professional Paper 558.}{Deposit:: Ross, C. S., 1935, Origin of the Copper Deposits of the Duck Type in the Southern Appalachian Region/ US Geological Survey Prof. Paper 179, 165 P.}{Deposit:: Gair, J.E., And Slack, J.F., 1979, Map Showing Lithostratigraphic And Structural Setting Of Stratabound (Massive) Sulfide Deposits In US Appalachians: US Geological Survey Open-File Report 79-1517.}{Deposit:: Pierce, W. G., 1944, Cobalt-Bearing Manganese Deposits Of Alabama, Georgia, and Tennessee/ USGS Bulletin 940-J}{Deposit:: Feiss, P.G., Maybin, A.H., III, Riggs, S.R., And Grosz, A.E., 1991, Mineral Resources of the Carolinas, in Horton, J.R., Jr., and Zullo, V.A., Eds., The Geology of the Carolinas: Knoxville, University of Tennessee Press}{Deposit:: Stuckey, Jasper L, 1968, Mineral Resources Of North Carolina, North Carolina- Its Geology And Mineral Resources, North Carolina Department Of Conservation and Development}