Lick Log mine

Mica Mine in Avery county, North Carolina, this site also known as Black

Lick Log (Black) mine

Principal periods worked Pre-WWII
Workings Cuts, adits, inclines, connecting stopes, area 100 by 400.
Description of muscovite Green, stained, bent, tied, ruled
Production Modern sheet
Shape Lenses
Size 3-7 T
Strike N
Dip E
Relation to wallrock Concordant
Wallrock Biotite gneiss
Extent of weathering Partly weathered.
Remarks Pl-Q-M pegmatite, medium to coarse grained. Large lens to north has Pl-Q-M wall zone, PL-Q intermediate zone; P core.
Source of information USGS

Geographic context


Principal periods worked
WWI World War I
WWII World War II
int intermittent
Small < 500 lb
Moderate 500-10,000 lb
Large > 10,000 lb
Size of pegmatite
D depth
L length
T thickness
avg average
Internal structure
B biotite
F feldspar
M muscovite
P perthite
Pl plagioclase
Q quartz
Source information
CMC Colonial Mica Corporation
DMEA Defense Minerals Exploration Administration
OME Office of Minerals Exploration
USGS U.S. Geological Survey
OF USGS open-file reports and maps