Bobby Hughes prospect

Mica Prospect in Avery county, North Carolina

Bobby Hughes prospect

Workings Cut 105, 3 adits
Description of muscovite Small, bent, ruled, stained
Production Small scrap (?)
Shape Tabular
Size 8-15 T
Strike NW
Dip SW
Relation to wallrock Concordant
Wallrock Interlayered hornblende and biotite gneiss
Extent of weathering Saprolite
Remarks Kaolinized F-Q-M-B pegmatite.
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