52 



to a much paler tint, but fades somewhat on exposure to 

 the weather. The mineral is susceptible of a high polish 

 and is eminently suitable for interior decorative work. 

 The prsence of irregular veins of bright red natrolite 

 (spreustein) with clear colourless orthoclase serves to 

 increase its ornamental value. The occurrence of soda- 

 lite found on lot 25, con. XIV of the Township of Dungan- 

 non, has been quarried in an opening 250 feet (76-2 m.) 

 long and from 40 to 50 feet (12 to 15 m.) in width. A 

 shipment of 130 tons of sodalite was made from this quarry 

 (Princess Quarries) in 1906, some of the blocks secured 

 weighing several tons. These were sawed into suitable 

 slabs and used for the most part in the decoration of the 

 residence of Sir Ernest Cassell in Park Lane, Hyde Park, 

 London. 



Annotated Guide. — Continued. 



Miles and 

 Kilometres. 



318-77 m. Bancroft. — Alt. 1073 ft. (327 m.) — The 

 513 km. excursion follows the Central Ontario railway 

 over a comparatively level sand and gravel flat, 

 showing very plainly the devastations of an old 

 forest fire, and then passes on to the line of the 

 Irondale, Bancroft & Ottawa railway, also 

 operated by the Canadian Northern railway, 

 to York River Junction. 

 321-57 m. York River Junction. Alt., 1,108 ft. (337-7 

 518-5 km. m.). Beyond this station the same level land 

 continues, but rounded hills, often with pre- 

 cipitous slopes, composed of the granite gneiss 

 of the Laurentian batholith, are seen at no 

 great distance from the railway. A stretch of 

 "drowned land," caused by the damming of 

 York river, is then passed. The railway then 

 crosses a portion of the granite batholith and 

 reaches a comparatively narrow selvage of the 

 limestone series in the vicinity of Baptiste lake, 

 which is again flanked to the north by more 

 granite belonging to the same intrusion. 

 327-57 m. Baptiste Lake. Alt., 1,215 ft. (370-3 m.) — 

 528-1 km. For about one and a half miles (2-4 km.) west 

 of this station, the railway follows very closely 

 the line of junction between the Grenville series 



