502 PROCEEDINGS OF THE ALBANY MEETING 



?'^he occurrence is of special interest as one of the rare cases of a rock supersatu- 

 ed with alumina, and its occurrence as a dike in a rock devoid of alumina, soda, 

 and lime is of especial interest as supporting a case of extreme differentiation of 

 rock magma. 



The Section then adjourned. 



Andrew C. Lawson, Secretary. 



Register of Meeting of the Cordilleran Section, 1900 



The following Fellows were in attendance at the meeting : 



E. W. Claypole. W. C. Knight. 



A. S. Eakle. a. C. Lawson. 



H. W. Fairbanks. J. C. Merriam. 



E. W. Hilgard. H. W. Turner. 



The visitors were 



F. M. Anderson. H. W. Furlong. 

 W. P. Blake. O. H. Hershey. 

 W. C. Blasdale. G. D. Louderback. 

 F. C. Calkins. Dr Newcomb. 



J. W. Sinclair. 



