Quart.  Journ.  Geol.  Soo.  vol.  xlix.  P],  XV. 
MAP  of  a  PORTION  of 
NORTH  EAST  FORFARSHIRE 
.Embracing’  the  Area,  of  Outcrop  of  the 
Muscovite -Biatite- Gneiss,  and  showing 
the  Zones  of  Occurrence  of  the  Silicates 
of  Alumina  which  are  connected  with 
the  Intrusion. 
By  George  Barrow.  F.  G.  S. 
EXPLANATION 
3 Cy antic Zotie .  V’-'-'-'-s'\\Stnttrnlitr  Zone. 
S  —  SiUiinanile  C  —  Cy anile 
St  *=*  Staurolite 
