PAGE 



Regional structure 53 



Annotated guide 55 



References 61 



West Kootenay and Boundary Districts 

 by O. E. LeRoy. 

 Geology of the region between Proctor and Mid- 

 way — 



Introduction 61 



General geology 62 



Table of formations 62 



Pre-Cambrian 62 



Cambrian 63 



Carboniferous 63 



Slocan series 63 



Pend d'Oreille group 64 



Carboniferous and post-Carboniferous 64 



Jurassic 64 



Tertiary 65 



Oligocene 65 



Oligocene and Miocene 66 



Quaternary 66 



Annotated guide, Proctor to Castlegar 67 



Annotated guide, Castlegar to Midway 70 



Phoenix — 



Introduction 72 



General geology 74 



Table of formations 74 



Carboniferous 75 



Knob Hill group 75 



Attwood series 75 



Jurassic 76 



Tertiary 76 



Oligocene 76 



Miocene 76 



Glacial and Recent 78 



Ore deposits 78 



Knob Hill — Ironsides mine 78 



Method of mining 81 



Annotated guide, Phoenix to Midway 81 



Annotated guide, Castlegar to Rossland 82 



Rossland — 



Introduction 83 



General geology 83 



