[ADAMS & BARLOW] 



ALKALI SYENITES OF EASTERN ONTARIO 



PLATE XIII. 



t ■:X^ 



ë: 



V 



V 





V 



^,- 



^^. 



O. E. PRUDHOMME, Del. 



Crystal of Corundum in Syenite Pegmatite. 

 THE Syenite Pegmatite or Feldspar Matrix 

 Fills in the basal Cracks. 



CRAIGMONT, RA&LAN TOWNSHIP, ONTARIO. 



