Commodities
PrimaryGold
SecondarySilver
TertiaryCopper
Commodity typeM
Deposit
Deposit typeHydrothermal Vein
Deposit sizeM
WorkingsSurface
Orebody formSHALLOW-DIPPING STOCKWORK ZONE
Ore controlQuartz Veins And Stockworks
Materials
Ore mineralsChalcopyrite, Gold, Pyrite, Pyrrhotite
GangueBiotite, Epidote, Ilmenite, Magnetite, Quartz, Rutile, Sericite
Geology
Host rockDiorite
AlterationEpidote, Sericite, Potash Feldspar, Biotite
Economic & production
Development statusPast Producer
Production years1835-1850, 1880-1890, 1930-1936
First production1835
Last production1936
Discovery year1835
Identification
Deposit ID10084226
MRDS IDW101429
RegionNA
Data scoreB
Coordinates36.20008, -78.01639
References
HITZE HANNA, 1896; PARDEE PARKS, 1948, P.73-74; PARDEE, J.T. AND PARK, C.F., 1948, GOLD DEPOSITS OF THE SOUTHERN APPALACHIANS: USGS PROFESSIONAL PAPER 213. P. 73-74; WALTMAN, M.R., 1985, THE PETROLOGY AND ORE HORIZON AND ORE PARAGENESIS AT THE PORTIS GOLD MINE, FRANKLIN COUNTY, NORTH CAROLINA, UNPUBLISHED MS THESIS, UNIVERSITY OF NORTH CAROLINA-CHAPEL HILL, 147 P.; CORBITT, C.L., 1987, PETROGRAPHY AND GEOCHEMISTRY OF THE METASEDIMENTARY/METAVOLCANIC HOST ROCKS AND ASSOCIATED GOLD DEPSOSITS AT THE PORTIS GOLD MINE, FRANKLIN COUNTY, NORTH CAROLINA: UNPUBLISHED MS THESIS, NORTH CAROLINA STATE UNIVERSITY-RALEIGHLUTTRELL, 1976, USGS OPEN-FILE REPORT 78-152