UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BULLETIN OF THE DEPARTMENT OF 



GEOLOGY 



Vol. 9, No. 17, pp. 363-524, pis. 36-46 



JUN 3 1916 



4 



Issued May 2, 1916 



STRATIGRAPHY AND FAUNA OF THE TEJON 

 EOCENE OF CALIFORNIA 



BY 



ROY E. DICKERSON 



CONTENTS 



PAGE 



Introduction 365 



> Acknowledgments 367 



Review of the Literature 367 



Descriptions of Typical Tejon Areas in California 371 



Tejon Group South of Mount Diablo 371 



Stratigraphy 371 



Fauna 373 



Turbinolia Zone 373 



Rimella simplex Zone 374 



Balanophyllia variabilis Zone 375 



Tejon Group North of Mount Diablo 382 



Stratigraphy 382 



Fauna 384 



lone Formation of California 387 



The Eocene of Oroville South Table Mountain 388 



Location '. 388 



Historical 389 



Stratigraphy 390 



Faunal Relationships 392 



The lone at Its Type Locality 394 



Location 394 



Turner's Description of the Type Section 394 



Occurrence of Eocene Fossils in the lone 397 



Relation of the Auriferous Gravels to the lone Formation 398 



The lone Formation Near Merced Falls 398 



The lone Formation in the Vicinity of Bear Creek, Merced County.. 399 



Deep-Water Equivalent of the lone at Marysville Buttes 403 



Stratigraphy 403 



Description of the Sutter Formation 404 



Historical Geology 405 



Summary of Fauna of the Siphonalia sutterensis Zone 406 



