Bill Greene prospect

Mica Prospect in Mitchell county, North Carolina

Bill Greene prospect

Principal periods worked 1955
Workings Cut 100
Description of muscovite Ruby, biotite intergrowths, stained, cracked, small.
Production Small sheet
Shape Tabular
Size 30 T
Strike NE
Dip SE
Relation to wallrock Concordant
Wallrock Mica gneiss
Extent of weathering Weathered
Remarks P-Q-Pl-M-B pegmatite, medium grained graphic texture common.
Source of information DMEA

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