[miller-knight] PRE-CAM BRIAN OF ONTARIO 249 



METAL PRODUCTION OF ONTARIO, 1913 



Keweenawan 



Silver $16,987,377 



Copper 3,952,522 



Nickel 14,903,032 



Cobalt - 525,028 



Cobalt and Nickel, mixed 90,266 



Arsenic 101 ,463 



$36,559,688 

 A nimikean 



Iron ore Nil 



Algoman 



Gold $ 4,543,690 



Timiskamian 



Iron ore Nil 



Laurentian 



Nil 



Keewatin-Grenville 



Iron ore 237,976 



Iron, pig 957,174 



$1,195,150 



While at present there is no production of iron ore from deposits 

 of Animikean or Timiskamian age in Ontario, millions of tons are 

 mined from deposits of these epochs in the State of Michigan. 



