BOUNDARY BEDS OF THE MIDDLE LIAS 

 AGAINST THE UPPER LIAS, CHURCHDOWN HILL, GLOUCESTERSHIRE. 



[6 PBBT TO THE INCH.] 



Unrepresented 



at 

 Churchdowu. 



Alluvium 



Brown Marly Clay 



Yellow Geodes of Argillaceous Limestone. 

 (Fish bed) Leptolejns concentricus. &c. 



j,^ rMottled Blue and Drab Clay with 

 'S I Crustacea. 



§ I Leptcena Band with peculiar Fauna. 



M (Fredk. Smithe, 1860.) 



Brown Marly Shale. 

 *-Blue and Yellow Clay. 



ZONE 



of 



Aminonites 



Jurensis. 



ZONE 



of 

 Ammonites 

 Comvmunis. 



Frontier Line 



Fine Yellow Marly Sands reposing upon 

 Rock Bed. 



{Lamellarian Shoal.) 



{Rock Bed of Quarrymen.) 



A Dark Blue Olive impure Limestone, 

 compact. Blue in Middle, and weather- 

 ing to Eed Brown. 



" Belemnite Pavement." 



ZONE 

 of 



Ammonites 

 Spinatus. 



ZONE 



of 



Ammonites 

 Margaritatas. 



^ 



