CONTENTS. 

 PART I. 



PAGE. 



Toronto to Sudbury 13 



Sudbury to Cartier. 



by A. P. Coleman 13 



Annotated guide 13 



Cartier to Coldwell. 



by A. L. Parsons 14 



Introduction 14 



Annotated guide 15 



The Nepheline and Alkali Syenites of the 

 Port Coldwell Area. 



by A. E. Barlow 16 



Introduction 16 



Location and size of the area 16 



History of investigation 17 



Topography 18 



Geology of the area 18 



General relationships 18 



Petrographic description of chief types 18 



Quartz syenite 18 



Red hornblende syenite 19 



Augite syenite 19 



White feldspathic variety 20 



Nepheline syenite 21 



Essexite, olivine gabbro and picrite 22 



Relative ages of chief types 23 



Bibliography 23 



Coldwell to Port Arthur. 



by A. L. Parsons 24 



Annotated guide, Coldwell to Loon 24 



Pre-Cambrian geology of Loon Lake district. . . 25 



Introduction 25 



Description of formations 2j 



Pleistocene 27 



Keweenawan 2~] 



Upper Huronian (Animikie) 28 



35069— 1 \ 



