458 



University of California Publications in Geology [Vol. 9 



V. '^Section of Tejon Eocene, Lillis Ranch, Coalinga District 



feet 



Oligocene 



Tejon 



Eocene? 



Tejon 

 Eocene 



Chico 



Cretaceous 



D? 



(10) White shale 



White fossil organic shales, containing fish 



scales, teeth, foraminifera, etc 500 



Lenses of fine brown sand 



(9) White shales with local thin sandy strata 



(4) 



(3) 



(2) 



r 



1000 



(8) Local friable sand 300 



(7) Pink to white shale 200 



(6) Bluish sandy shales grading up into pink shales.... 400 



(5) White sandstone and conglomerate 100-160 



White massive sandstone and conglomerate with 

 whitish shale inclusions at the base 20-40 



Upper chocolate shales, comprising bluish shales 

 at top, grading down into chocolate or brown 

 shales which weather to clays. These rest upon 

 other chocolate shales which become sandier to- 

 ward bottom. These shales vary in thickness. .600-900 



Yellow sand and conglomerate 

 Bluish sandy shales and thin sandstone, vari- 

 able in thickness 200 



Massive yellow sandstone with large dark brown 

 segregations and concretions and some layers of 

 bluish sandy shale. 



Fine sand with local beds of conglomerate inter- 

 bedded with blue and brown shales, a consider- 

 able amount of glauconitic material at base 300 



Lower chocolate shales 



Beds of chocolate and brown shales with small 

 ferruginous and limy concretions and layers of 

 glauconitic sand 1000 



Total 3120 



* Modified from Dumble's section. 



