1916 J 



Dickerson: Tejon Eocene of California 



457 



Tejon 

 Eocene 



I. Section at Mauysville Buttes, California 



feet 



( (3) Green-gray sandstones and shales with limestone 

 concretions marking the upper limit of the 



Eocene 100 



(2) Green-gray, glauconitic shale 300 



(1) Massive thin-bedded buff sandstone resting upon 



Chico sandstone and limestone 200 



Total. 



600 



Tejon 

 Eocene 



Tejon 

 Eocene 



II. Section Near Orovllle, California 



(9) Older basalt 100-150 



(8) Andesitic tuff-breccia 10-20 



(7) Alternating sandstone, clay and carbonaceous 



shales 100 



(6) Conglomerate 50 



(5) Tuffaceous clay 200 



(4) Yellow tan sandstone 100 



(3) Dark gray shales interbedded with lignite con- 

 taining fossiliferous strata and thin-bedded fos- 



siliferous sandstone 40 



(2) Clay with tuff fragments 20 



(1) Conglomerate resting upon Chico sandstone 20 



Total 530 



III. Section at Ione, California 



(5) Andesitic tuff -breccia 



(4) Light gray clay rock, an altered rhyolitic tuff 90 



(3) White or red sandstone 30 



(2) Rhyolitic tuff altered to a clay containing a seam 



of coal 180 



Jl) Conglomerate and sandstone 800 



Total 1100 



IV. Section at Lower Lake, California 



Tejon 

 Eocene 



Martinez 

 Eocene 



[(1) Coarse gray to white conglomeritic concretionary 



B "j sandstone 1200 



Thin-bedded, fine-grained, green-gray sandstone 



Total 



1200 



