Biotite from selected localities.
USA | |
| Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina: USGS Professional Paper 577 |
Lesure, frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 | |
Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 | |
| Fred Baker, 1961, U.S Geological Survey Professional Paper 424-C p. 336-338 |
Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 |