121 



TABLE OF CORDILLERAN FORMATIONS— Concluded. 



System. 



Formation. 



Thickness. 



Feet. 



Metres. 



Sir Donald quart-] Sel- 

 zite | kirk 



Ross quartzite, \ Mts. 

 upper part J 



Conformity in Selkirk 



Mts ; local unconformity 

 in Rocky Mts. 



5,000 

 2,750 



1.524 



Beltian. 



Pre-Beltian 



(Shuswap series) 



Ross quartzite (lower 



part) . . . 



Nakimu limestone 



Cougar quartzites 



Laurie metargillites. . . . 

 Illecillewaet quartzite. . 



Moose metargillite 



Limestone 



Basal quartzite 



Unconformity. 



Adams Lake greenstones 



Tshinakin limestone- 

 metargillite 



Bastion schists (phyllites, 

 etc.) 



Sicamous limestone 



Salmon Arm mica schists. 



Chase quartzite 



Tonka watla para- 

 gneiss (?) 



Base concealed. 



Total thickness (minimum) 



2,500 



350 



10,800 



15,000 



1,500 



2,150 



170 



280 



10,000 



3-900 



6,500 

 3,200 

 1 ,800 

 3,000 



1,500 



135-018 



762 



107 



3.292 



4-572 



457 



655 



52 



85 



3,048 

 1,188 



1,981 

 975 



548 

 914 



457 



41.150 



35069— 2^A 



