43 



to this locality in the summer of 191 1, and by the late 

 Dr. J. D. Trueman in the early summer of 1912. 



PARTICULAR DESCRIPTION OF POINTS TO BE VISITED. 



Ore-body at the Atikokan Iron Mine. — The iron 

 ore deposit occurs in a rocky ridge running approximately 

 east and west, just north of the track and about 2-75 



Open cut, Atikokan iron mine, Iron Spur, Ontario. 



miles (4-4 km.) from the beginning of the spur. The 

 rocks in the vicinity of the mine are very imperfectly 

 exposed. The ridge itself is isolated, being bounded by 

 a muskeg on the south, and separated by a valley from a 

 ridge of Keewatin greenstones to the north. 



