Report of Geological Branch. 167 



REPORT OF THE GEOLOGICAL BRANCH, 189495. 

 (Read December 20th, 1894.) 



To the Council of the Ottawa Field- Naturalists Club: 



The following notes on geological work carried on in this vicinity 

 by members of the Club and others indicate clearly the interest which 

 still prevails in the study of the geological formations about Ottawa. 



Considerable geological woik was done at the three general excur- 

 sions held under the auspices of the Club 



The following table shows the various places visited and the geo- 

 logical formations noticed and reported upon either orally at the 

 excursions by the leaders, or in the Naturalist* : 



O 

 1 < 



U3 



D 

 X 



w 



No. 1. 

 Chelsea. 



No. 2. 

 Wakefield. 



No. 3. 

 Galetta. 



Saxicava sand, 

 Leda clay. 



Boulder clay. 



Archaean. 



Leda clay. 

 Boulder clay. 



Fossils abundant. 



Archaean. 



Pleistocene. 



Archaean, &c. 



Xo fossils collected 



Sands and gravels, clay, &c. 



Gneisses, limestone, ophite, 

 diorite, he. 



Marine clay and boulder 

 clays, glaciated rocks. 



I Gneisses, pegmatites, &c. 

 ...Chrondrodite limestone, 

 Carp Station. syenite. &c, overlain by 



J marine clays and sands. 



Besides the three general excursions, above mentioned, there were 

 held a number of sub-excursions in which various members of the Club 

 and others interested took part. 



These are some of the localities visited : 



1. Porter's Island, Rideau River, Ottawa In April, 1894, 



*(a) Vol. VIII., No. 3, pp. 42-43, 1894. 



(b) Vol. VIII., No. 5, pp. 74-75, 1894. 



(c) Vol. VIII., No. 7. pp. 109-110, 1894. 



