290 



THE VERMILION IRON-BEARING DISTRICT. 



tliroug-li the igneous rocks. The schistosity, which strikes about N. 70° E., 

 cuts at a sharp angle the sedimentary bedding, which varies from N. 80° E. 



»/£ 



Fig. 19. — Sketch showing intricate relationship of granite-porphyry and overlying Ogishke conglomerate on Ely Island, 



Vermilion Lake. 



to east and west. The dip of the bedding varies sHghtly from 75° to the 

 north to verticah Indeed, it is occasionally found with a dip of 85° and 



