PRE-CAMBRIAN OF NORTHERN ONTARIO AND QUEBEC 305 



reasonable doubt that the Mattagami series and the Timiskaming 

 series of Kirkland Lake may be correlated and grouped together 

 under a single name. 



LOCATION 



The area of Mattagami series nearest to the Kirkland Lake 

 district is the Pontiac area lying south of the National Trans- 

 continental Railway between the Ontario-Quebec boundary and the 



zoo 300 



Scale o/^ miles 

 Fig. I. — Index map showing location (hatched) of area dealt with in this paper 



Bell River. Between the two districts Hes the Larder Lake dis- 

 trict, 12 miles in width. The three districts together form a narrow 

 strip of territory about 130 miles from east to west, and 25 miles 

 from north to south (Fig. i). The shaded area in Figure i shows 



