L 



egend 



Post Heewatin 



m 



Later basic erupbi ves 



■ 



Granite, quartz- 

 porphyry 



L L . 



Laurentian granite 



Keewatin 



E 



Senate schists. 



| c | 



C/ay-s/ate.quartzite 



E 



&w~.~- 



[T] 



Horneblende schists and 



f Glacial : 



Geological Survey, Canada 



Route map. Lake of the Woods 



Miles 



