NEOCENE STRATIGRAPHY. 305 



Quaternary. The age of the overlying strata was not de- 

 termined, as they differed petrographically from any rock 

 found elsewhere. Their position and structure would 

 seem to indicate that they belong to the Monterey series. 

 In San Francisquito Creek, above the Mayfield-Searsville 

 road, the Pescadero series with a high dip is overlain by 

 the gently dipping Merced series ; and as the Merced and 

 Monterey series are found to be conformable, that would 

 place the Pescadero series unconformably below the 

 Monterey series. 



At Carmelo Bay Dr. Lawson believes a nonconformity 

 exists between the Carmelo series and the White Miocene 

 shale or Monterey series. In the same place the Carmelo 

 -series is seen resting upon the granite.* At Point San 

 Pedro the formation also rests upon the granite, 



Correlation. — The fossiliferous formations just under- 

 lying the White shale that are described by Dr. Antisell 

 and Prof. Whitney are believed to be correctly correlated 

 with part of the Pescadero series. Their Miocene age 

 can hardly be questioned. 



An attempt to work out the faunas of the three divi- 

 sions made by Dr. Antisell for the strata below the White 

 shale was only partly successful. The following is a 

 partial list: 



c. The grits and calcareous sandstones. 



Ostrea titan Conrad. 



Ostrea panzana Conrad. 



Hinites crassa Conrad. 



Pallium estrellanus Conrad. 



Cyclas permacra Conrad. 



Balanus estrellanus Conrad. 



AsterodaiDis antiselli Conrad, 

 b. The San Antonio sandstones. 



Dosinia alta Conrad. 



Dosinia montereyana Conrad. 



*Univ. of Cal., Bull. Geol. Dept., vol. i, p. 7. 

 2d Ser., Vol. V, ( 20 ) August 1, 1895. 



