North Carolina · Randolph County
Occurrence

Porter Mine

Randolph County, North Carolina, United States
GoldMolybdenumTinCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
TertiaryMolybdenum, Tin, Copper
Commodity typeM
Deposit
Deposit typeStockwork
Model154: Epithermal quartz-alunite Au
Deposit sizeU
WorkingsSurface
Orebody formPOORLY DEFINED NE-TRENDING ZONE
Ore controlAdvanced Argillic Alteration Probably Controlled By Pre-Metamorphic Faults.
Materials
Ore mineralsGold
GangueHematite, Kaolin, Limonite, Quartz, Sericite
Geology
StructureNe-Trending Fold, Probably Overturned To The West, Prominant Foliation N 25 E
AlterationSilicic, Sericitic
Economic & production
Development statusOccurrence
Discovery year1886
Identification
Deposit ID10026516
MRDS IDK005196
Alternate namesPilot Mountain No.1 Mine Carpenter, 1976, Johnson Mine
RegionNA
Data scoreB
Coordinates35.67092, -79.67949
References
KLEIN, T.L. AND SCHMIDT, R.G., 1985.CARPENTER, P. A., III, 1976, METALLIC MINERAL DEPOSITS OF THE CAROLINA SLATE BELT, NORTH CAROLINA: NORTH CAROLINA MINERAL RESOURCES SEC. BULL. 84, 166 P. KLEIN, T.L. AND SCHMIDT, R.G., 1985, GEOLOGY OF THE PILOT MOUNTAIN-FOX MOUNTAIN ALTERATION SYSTEM: IN P.G. FEISS, ED, VOLCANIC-HOSTER GOLD AND HIGH ALUMINA DEPOSITS OF THE CAROLINA SLATE BELT, SEG FIELD TRIP GUIDEBOOK, FALL MEETING 1985