1 4 Gregory — Volcanic Rocks from Temiscouata Lake. 



Art. II. — Volcanic Rocks from Temiscouata 

 Quebec ; by Herbert E. Gregory. 



Lake, 



Temiscouata Lake was explored by the early geologists of 

 Canada, and Logan reported* the presence at Pointe aux 

 Trembles of ' tongh, green sandstone, with pebbles of meta- 

 morpbic rock.' A survey of the region was made by Bailey 

 and Mclnnes in 1886-87, and the presence of volcanic rocks 

 noted. Their report in reference to these rocks reads as fol- 

 lows : " It is important to notice in connection with the Pointe 

 aux Trembles sandstones the evidence which they appear to 

 afford of contemporaneous volcanic activity. This is, perhaps, 



first Tou/adi 

 Late. 



Temiscouata Lake. 



Prvmce of Quebec, Cartada. 



Scale. 



partly indicated by the color of the rock, which varies from 

 green to red and purple, but is more clearly seen in the abund- 

 ance of epidote with which the rock is charged and in places 



* Geology of Canada, 1863, p. 423. 



