BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 

 Vol. 6. pp. 375-388 April 13, 1895 



CRETACEOUS OF WESTERN TEXAS AND COAHUILA, MEXICO 



BY E. T. DLIMBLE 



{Presented before the Society December 29^ ISOJf) 

 CONTENTS 



Page 



Introduction 37G 



Localities of occurrenco, character and relations of the rock 376 



San Lorenzo section 376 



Its loaition and the character of the country 376 



Details of the section 377 



Lower Cretaceous 378 



Bosque division 378 



Its niemhers 378 



Flat Mesa section 378 



Kent section 378 



Exposures in the Arl)oles and Burras mountains 379 



Episodes of the Bosque period 379 



Fredericksburg division. . 379 



West of the Pecos river 379 



In the San Lorenzo section 379 



Capri na crasslfibra as a criterion of Fredericksburg age 380 



The Kent locality 380 



Washita division. 380 



In the Trans-Pecos area 380 



At the Kent locality 380 



Devils River section 381 



In the San Ix)rcnzo section 381 



The Finley-Eagle Mountains section 382 



, Comparisons with other hjcalities 382 



Upper Cretaceous 383 



Geologic succession and correlations 383 



Dakota division 384 



Colorado division , 384 



Montana division 385 



Its importance 385 



Areas investigate*! by the author 385 



General .section 386 



Fos.sil8 386 



Dikes 387 



Folds, faults and lava-flows 387 



LIV-BlI.I.. (if.nl.. Hnr. Am.. Vol,. T,, \H'.)i. (•'''•^) 



