THE MINING AND QUARRY INDUSTRY I915 85 



earlier account of the deposits. This has been actually found to be 

 the condition in the old iron mine on the Dominion Company's 

 property near Sylvia lake. There the unaltered zinc and iron sul- 

 phides were encountered at less than ioo feet from the surface, 

 although the material above was a soft hematite. There is no cer- 

 tainty of course that the same result would be obtained by deepening 

 the other iron-ore pits, but from a prospecting standpoint the 

 localities seem to be worthy of consideration. 



