208 GEOLOGICAL SURVEY OF THE TERRITORIES. 



The angle of inclination is 5 to 10°. 



As we go down Trout Creek the sedimentary beds are influenced by 

 the mass of mountains to the northward. The strike of the beds 

 crosses the creek, and instead of the bluffs on the west side of the 

 creek being red sandstones, they are first the massive white limestone 

 and then the pink limestones underlaid with sandstone. The creek 

 then enters a granite caiion, which has here and there isolated points 

 capped with remnants of the sandstones under the limestones of the sec- 

 tion given above. The dip as we go down the creek changes more and 

 more to the southward until, just above the canon, it is south 25° west. 

 Still farther below it is south 85° west. The following sections are made 

 across Trout Creek, just above the canon, the head of which' is a few 

 miles below the foot of Bergen Park. Section No. 4 is made through 

 the bluff on the west side, while No. 5 is made on the east side ; both 

 are in ascending order : 



No. 4. No. 5. 

 Feet. Feet. 

 1. G-ranitic. 



2. Yellow sandstone , , „o n ^k 



r 73 \ 



3. Pinkish sandstone j ) 



4. Dark, purplish-brown sandstone 16 13 



5. Green sandstone , 4 3 



6. Blood -red calcareous sandstone . . . - , k < , P^ 



7. Pink limestones ( j 



Beds No. 6 and 7 are fossiliferous, and belong in all probability to the 

 Quebec group, while the sandstones below are Potsdam. In No. 6 I 

 found Lingulepis and Obolus, and in No. 7 an Orthis, which Professor 

 Meek says is very much like 0. desmopleura, Meek. Also, UuompJialns, 

 Asa])lius, (Megalaspis,) Cooiocoryphe, Lingula, Bathyurus, and Faradoxides 

 or Olenus. On the east side of the creek, in bed No. 2, are several 

 small faults, which are merely local. In the canon the course of the 

 creek, instead of being north, is about northwest. It is there joined by 

 West Creek, which, for most of its course, is parallel to Trout Creek, 

 from which it is separated by a granite ridge. The caiion at the time 

 of the year we visited it was impassable. Ascending the hills we see 

 all about us patches of sedimentary beds. In some places we have 

 merely portions of the lower yellow sandstone, mostly soft, but often 

 quartzitic, while in other places we will see all the sandstones and por- 

 tions of the overlying pink limestones. Fig. — is a section from West 

 Creek across Trout Creek and the plateau eastward to Pleasant Park, a 

 distance of about eleven miles. It will be seen that the dip on the west 

 side of the range is very mucb less than it is on the east side, and that 

 the beds extend farther up on the plateau. This appears to indicate 

 that the beds may have extended across the range. Section No. 6 was 

 made at the point marked C in the Fig. 1, Plate Y, and is from below 

 upward. 



Section No. 6. 



Thickness 

 in feet. 



1. Eed limestone, (fossiliferous) 26 



2. Light shaly limestone , 20 



3. Eed limestone )^. 



4. Purplish sandstone , a ) 



5. Mottled limestone 3 



6. Yellowish- white limestone 20 



103 



