Broadtree Cove prospect

Mica Prospect in Macon county, North Carolina

Broadtree Cove prospect

Principal periods worked Pre-WWII
Workings Adit 20
Description of muscovite Greenish brown, stained
Shape Tabular
Size 4-T
Strike NE
Dip SE
Relation to wallrock Partly concordant
Wallrock Mica gneiss
Extent of weathering Weathered
Remarks F-Q-M wall zone; Q core, discontinuous.
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