Buck Hill mine

Mica Mine in Avery county, North Carolina

Buck Hill mine

Principal periods worked Pre-WWII
Workings Cut 200, prospect pits
Description of muscovite Green, "A" structure, stained, tied, bent.
Production Moderate sheet, feldspar.
Shape Tabular
Size >20 T
Strike NW
Relation to wallrock Concordant
Wallrock Hornblende gneiss, biotite schist alteration
Extent of weathering Weathered
Remarks P-Pl-Q-M wall zone, medium to coarse grained; accessory biotite; Q 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