W. C. Burleson mine

Mica Mine in Mitchell county, North Carolina, this site also known as Joe Stevenson

W. C. Burleson (Joe Stevenson) mine

Principal periods worked 1900, 1930-32, 1939-45, 1952, 1956.
Workings 2 cuts, inclines and stope 150, shaft 65 with incline 25, and drifts 85, inclined shaft 49.
Description of muscovite Reddish-brown (hanging wall) brownish green (footwall), minor stain, mineral inclusions, ruling, bending, cracking.
Production Large sheet
Shape Contorted tabular.
Size 3-15 T, >165 L
Strike NE
Dip Variable SE
Plunge SW, NE
Relation to wallrock Partly concordant
Wallrock Interlayered hornblende and biotite gneiss; biotite alteration
Remarks Pl-Q border zone, fine grained, discontinuous; accessory muscovite, garnet; Pl-Q-M wall zone, coarse grained, discontinuous; Pl-P-Q-M intermediate zone, coarse grained. P-Q inner intermediate zone, graphic texture; Q core. Accessory biotite, apatite, sericite, garnet, pyrite, hyalite.
Source of information USGS, DMEA

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