Pritchard prospect

Mica Prospect in Avery county, North Carolina

Prichard prospect

Workings Cut, prospects pits
Description of muscovite Small
Production Small sheet, feldspar.
Size 6 T
Extent of weathering Partly weathered.
Remarks F-Q-M wall zone, medium grained; Q core.
Source of information USGS

Geographic context

Abbreviations

Principal periods worked
WWI World War I
WWII World War II
int intermittent
Production
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