Athat 





Churchill River 



Narrow Lake area 



Lake of the Woods and 

 Rainy Lake 



B 





Alcock 



Alcock 



Lawson 











Diabase dikes 



Kaminis gr 

 Granite-gn 

 Hybrid gra. 





Pegmatite 

 Granite 



Granite 



Algoman granite 



! 



Upper] ^^ 

 Missi )co 



fSlsl 

 LowerJ Gr 

 Missi 1 Qn 



Churchill quartzite 





Seine series 



Cliff Lake i 

 phyry 







Laurentian granite 



Kisseynew 



Sedimenta 



gneisses 



Araisk seri 



Lava 

 TufiEs 



Agglomer£ 



>s 

 chists 



Sedimentary schists 

 Green schists 



Lamprophyre 

 Porphyry 



Greenstones and pyro- 

 clastics 



Paraschist 



Paragneiss 



Keewatin volcanics 



Couchiching sediment- 

 ary schists and 

 gneisses 



