UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BULLETIN OF THE DEPARTMENT OF 



GEOLOGY 



Vol. 7, No. 4, pp. 47-60, pi. 7 Issued October 10, 1912 



THE NEOCENE SECTION AT KIRKER PASS 

 ON THE NORTH SIDE OF MOUNT 

 DIABLO 



BY 



BEUCE L. CLARK 



CONTENTS 



PAGE 



Introduction 48 



Historical Review 48 



Monterey 49 



Relation to Tejon 49 



Shale Member 49 



Carbonaceous Shales and Sandstones 50 



Tuffaceous Shales and Sandstones 50 



Fauna of Upper Monterey 51 



San Pablo 52 



General Discussion 52 



Lower Division 53 



Fauna of Lower Division 54 



Upper Division 55 



Fauna of Upper Division 56 



Faunal Zones 57 



Pinole Tuff 58 



Orindan 59 



General Section 59 



Comparison with Section on South Side of Mt. Diablo 60 



Summary 60 



