THE CROWSNEST VOLCANICS. 
7 
Measures Thickness Formation 
Dark grey, fissile shales Benton 
Dark bluish grey, very hard, cherty 
conglomerate, with rounded peb- 
bles up to 1 inch, in a siliceous 
matrix 1 ft. 6. in. 
Concealed 4 ft. 
Conglomerate similar to above 0 ft. 10 in. 
Dark greenish grey concentric wea- 
thering fine clay shale 0 ft. 10 in. 
Below here the beds, though fine 
grained and well stratified, are of a tu- 
faceous appearance, and are to be classed 
with the volcanics. The contact is per- 
fectly conformable and gradational, but is 
best placed at this horizon where distinctly 
tufaceous material begins. 
Measures 
Dark green homogeneous, coarse tu- 
faceous shales 
Dark green, concentric weathering fine 
clay shale 
Greenish, weathered, soft, angularly 
fragmental, medium- grained tuff 
Light rusty -greenish, fine-grained 
tuff 
Purplish green, soft tuff, not all ex- 
posed 
Concealed 
Dark greyish green, fine, hard, com- 
pact tuff 
Green, rusty weathering, fine tuffs 
Dark greenish, medium-grained, 
laminated tuffs 
Concealed below here 
Benton exposed 
Tuffs exposed 
Thickness 
0 ft. 7 in. 
V 
0 ft. 6 in. 
0 ft. 6. in. 
3 ft. 0 in. 
2 ft. 0 in. 
5 ft. 
2 ft. 0 in 
3 ft. 0 in. 
5 ft. 
7 ft. 2 in. 
27 ft. 7 in. 
Formation 
Crowsnest 
volcanics 
K 
a 
u 
a 
Total section 
34 ft. 9 in. 
