INDEX TO GEOLOGY OP THE LONG LAKE QUADRANGLE 53 1 



Shonkinite, 477. 



Smyth, C. H. jr, cited, 479, 503. 



Striae, 495. 



Syenite gneiss, 469. 



Syenites, 455, 473; asjTnmetry of the 

 syenite differentiation, 478-79; basic, 

 478 ; as building stone, 502 ; descrip- 

 tion, 476; granitic, 478; green, 515; 

 normal, 477-78; petrography, 512; 

 red, 475, 519-25; as road metal, 

 503 ; younger than anorthosite, 479. 



Titaniferous iron ore, 471, 474, 502. 



Titanite, in Grampus gneiss, 468; in 

 granite, 510; in Grenville rocks, 

 461, 504, 505, 508, 509, 526; in 

 Piercefield gneiss, 470; in syenite, 

 512, 516, 518. 



Topography, 490-95 ; as conditioned 

 by the rocks, 492-93 ; as modified 

 by glacial erosion, 498-99. 



Tupper Lake reservoir, 452. 



Tupper syenite, 476, 479, 515, 519. 



Valley plains, 497-98. 



Whiteface type of anorthosite, 468. 

 Whitman, J. M. jr, acknowledgments 



to, 451. 

 Wilson, H. M., acknowledgments to, 



45 1. 



Zircon, in syenite, 516, 518, 520, 522, 

 523 ; in Grampus gneiss, 468 ; in 

 granite, 510; in Grenville rocks, 

 504, 505, 507, 508, 509. 



