VOLUME XXIII 



NUMBER 6 



THE 



JOURNAL OF GEOLOGY 



SEPTEMBER-OCTOBER 1915 



SOME EVENTS IN THE EOGENE HISTORY OF THE 



PRESENT COASTAL AREA OF THE GULF OF 



MEXICO IN TEXAS AND MEXICO 



E. T. DUMBLE 

 Houston, Texas 



CONTENTS 



EoGENE Section 

 Cretaceous-Tertiary Barrier 

 Cretaceous-Tertiary Contact 

 Lower Eocene 



Midway 



Wilcox or Lignitic 

 Middle Eocene 



Buhrstone — Carrizo 

 [ Marine 



Tejon 



Claiborne \ ^^^^ua 

 Fayette 

 Frio 

 Upper Eocene 



Jackson 

 Oligocene 

 Miocene 

 Tampico Embayment 



EOGENE SECTION 



The most complete section of the Eogene^ deposits of the 

 eastern border of North America is found in Alabama and Mis- 

 sissippi, but even this is somewhat indefinite in its upper members 



' Used as inclusive of both Eocene and Oligocene. 

 Vol. XXIII, No. 6 481 



