NEOCENE STRATIGRAPHY. 



291 



ent site of San Francisco an island. Bay filling Santa 

 Clara Valley. 



4th. Recent uplift to present conditions. 



Columnar Section of the Santa Cruz Mountains. 







-SEolian deposits. 

 Freshwater deposits. 

 Marine deposits. 

 Laud deposits. 



Elephas, conifers. 



at 1 



02 -f- 



2 ^ 



1 





IB 





 t-l 

 ® 



Fossiliferous beds of 

 sandstone and conglom- 

 erate. Transitional from 

 the Miocene through 

 the Pliocene. 



Living shells. 

 "Venus iDajaroensis " (a 

 Mactra). 

 Large Pectens, Areas, etc. 

 Cetacean bones. 



05-4 



6 



a 



(D 











i 



s 



3 

 

 



0) 







Bituminous or White 

 Miocene shale; with 

 some sandstone. 



Infiisoria. 

 Pecten peckhami. 

 Tellina congesta. 



CO . 





Sandstones and conglom- 

 erates : Carmelo Series( ?) 



Pescadero sandstones 

 and shales. 



Turritella hoffmanni. 

 Ostrea titan. 

 Liropecten estrellanus. 

 Dosinia, etc. 



Thickness, 

 2000-10,000 



ft. (?) 







OJ 





 ^1 









(The " San Francisco Plant remains, 

 sandstone " in part.) Inoceramus. 

 Aucella beds. Ancella. 



<?-. 











Eadiolarian chert or 



phthanite. 

 Metamorphic sandstone. 



Kadiolaria. 



02 . 

 02 4- 



.. 





Gavilan limestone. 



Foraminifera. 



Thickness, 

 300-1 100 ft. (?) 



