Perthite from selected localities.
USA | |
| Lesure, F.G.,(1968) Mica Deposits of the Blue Ridge in North Carolina ; USGS Professional Paper 577 |
Lesure, F.G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Paper 577 | |
Lesure, F.G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 | |
Lesure, F.G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 | |
Lesure, F.G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 | |
Lesure, F.G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 | |
Lesure, F.G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 | |
Lesure, F.G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 | |
Lesure, F.G.,(1968) Mica Deposits of the Blue Ridge in North Carolina :USGS Professional Paper 577 | |
| Eckelmann,W.R.,and Kulp,J.L.,(1957) Uranium-lead method of age determination,Part II:North American Localities:Geological Society of America Bulletin,v.68,p.1117-1140 |
| Lesure, Frank G.,(1968) Mica Deposits of the Blue Ridge in North Carolina:USGS Professional Paper 577 |