PAGE. 



Fossiliferous limestone at Trueman point. 51 



Brecciated limestone at Elbow point 53 



Annotated guide, Atikokan to Mine Centre... . 53 



Geology of the vicinity of Mine Centre. . 55 



General description 55 



Keewatin 55 



Anorthosite 56 



Laurentian ..".. .,' 56 



Seine series 56 



Particular description of points to be visited. 56 

 The Keewatin series seen en route to the 



mine 56 



Limestone bands in the Keewatin 57 



Unconformable contact of the Seine series 



with Keewatin felsite 57 



Irruptive contact of the Laurentian with 



the Keewatin 57 



Unconformable superposition of the Seine 



series upon the Laurentian 58 



The anorthosite and its contact with the 



Keewatin 59 



The Golden Star mine 59 



Annotated guide, Mine Centre to Bear's Pass. 59 



The Coutchiching series on Rainy lake 60 



General description 60 



Coutchiching 60 



Keewatin 61 



Hornblende gabbro 61 



Algoman 61 



Structure of the area 61 



Particular description of points to be visited. 63 



Annotated guide, Bear's Pass to Winnipeg 66 



Bibliography 67 



Ordovician and Silurian of Stony Mountain 

 and Stonewall. 



by A. MacLean . 69 



Ordovician — Stony Mountain 69 



Silurian — Stonewall 73 



Bibliography 77 



Winnipeg to Bankhead. 



by D. B. Dowling 77 



Introduction 77 



The Great Plains 77 



Rocky mountains 82 



