149 



LIST OF ILLUSTRATIONS 



Maps. Page 



Map of Cobalt Area, showing veins and locations of sections, 



scale 800 feet to 1 inch (in pocket) 



Map of the Sudbury-Cobalt-Porcupine region, scale 8 nvles to 



1 inch (in pocket) 



Geological map showing contact of norite and Laurentian in 



vicinity of Creighton mine, Sudbury (in pocket) 



Geological map of vicinity of Stcbie and No. 3 mines, Sud- 

 bury (in pocket) 



Geological map of Copper Cliff offset (in pocket) 



The Sudbury-Cobalt-Porcupine region 4 



Sudbury nickel area 49 



Part of map published in 1744 55 



N.W.-S.E. and N.E.-S.W. lines of regional disturbance 60 



Geological map of .area a few miles north of Cobalt 65 



Route map between North Bay and Englehart 103 



Geological map of area near Temagami railway station 140 



Route map between Englehart and Cochrane 142 



Maps for Reference. 



Geological map of Sudbury Nickel Region to accompany 



monograph of A. P. Coleman, scale 1 mile to 1 inch 



(Mines Branch, Ottawa, 1912). 

 Map of Cobalt-Nickel-Arsenic-Silver Area near Lake Temis- 



kaming, Ont, scale 1 mile to 1 inch (Ontario Bureau of 



Mines, Toronto, 1910). 

 Map of Part of the Cobalt Area, scale 400 feet to 1 inch 



(Ontario Bureau of Mines, 1907). 

 Map of the Porcupine Gold Area, scale 1 mile to 1 inch, 



editions of 1910, 1911 and 1912 (Ontario Bureau of Mines). 

 Geological map of the area between Temagami and Rabbit 



lakes (No. 944, Geological Survey of Canada, Ottawa, 



1907). 

 Map of the Province of Ontario, scale 35 miles to 1 inch 



(Department of Agriculture, Toronto, 1912). 



Sections. 



Colored, geological section G. H., Cobalt, to face page 80 



Colored, geological section Y. Z., Cobalt, to face page 80 



Generalized vertical section through the productive part of the 



Cobalt area 82 



Section for Reference. 



Colored, General Section, R. S. D. E. T. J. U. V., through the 

 Cobalt area (Ontario Bureau of Mines, Toronto). 



