BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 

 Vol. 26, pp. 129-140 March 31, 1915 



PEOCEKDINGS OF THE FIFTEENTH ANNUAL MEETING OF 

 THE CORDILLERA N SECTION OF THE GEOLOGICAL SO- 

 CJKVY OF AMEIH(L\, HELD AT SEATTLE, AVASHINGTON, 

 MAY 31 AND 32, 1914.^ 



George D. Loudekback, Secretary 



CONTENTS 



Page 

 Session of Thur.sday, May 21 180 



Pre-Pleistocene geology in tlie vicinity of Seattle [abstract and 

 fliscn.ssion] : by Charles E. Weaver 1?,0 



Pleistocene of vrestern Washington [abstract] ; by Charles E. 



Weaver 131 



Election of officers 131 



Summer meeting 131 



Affiliation with the American Association for the Advancement of 

 Science 132 



Structure of Pierce County coal field of Washington [abstract 

 and discussion] ; by Joseph Daniels 132 



Tertiary rocks of Oahu [abstract and discus.sion] ; by C. H. Hitch- 

 cock 13'. 



Pea for uniformity and simplicity in petrologic nomenclature [ab- 

 stract and discussion] ; by G. Montague Butler 134 



Session of Friday, May 22 135 



Geologic structure in western Washington [abstract and discus- 

 sion] ; by Charles E. Weaver 135 



Eocene of the Cowlitz Valley, Washington [abstract and discus- 

 sion] ; by Charles E. Weaver 136 



Relation of the Tertiary geological scale of the Great Basin to 

 that of the Pacific Coast marginal province [abstract and dis- 

 cussion] ; by J. C. Merriam 136 



Relation between the Tertiary sedimentaries and lavas of Kittitas 

 County, Washington [abstract]; by E. J. Saunders 137 



Oregon Bureau of Mines and Geology [abstract and discussion] ; 

 by Ira A. Williams 137 



R61e of sedimentation in diastrophism and vulcani.sm; by F. M. 

 Handy 13S 



Basin Range faulting in the northeastern part of the Great Basin 



[abstract] ; by George D. Louderback 138 



Register of the Seattle meeting 140 



1 Manuscript received by the Secretary of the Geological Society .June 22, 1014. 



(129) 



