10 



TYPE AMMONITES— IV 



June 



lA 



IB 



TABLE \-JURASSI( 



II 



Middle Cornbrash 



Cornbrash 



Lower Cornbrash 



Hinton Sands 



Forest Marble 



Forest Marble 



Bradfordian 



Bradford Clay 



Great Oolite Clay 



Bradford Clay 



Upper Great Oolite 

 (Upper Fullers' Earth 

 Clay) 



Middle Great Oolite 

 (Upper Fullers' Earth 

 Rock) 



Lower Great Oolite 

 (Lower Fullers' Earth 

 Rock) 



Stonesfield Slate 



Great Oolite Series 

 (Upper Division) 



Bathian 



(Bathonian) 



Great Oolite Series 

 (Lower Division) 



Fullonian 



Fullers' Earth 



(Lower Fullers' Earth 

 Clay) 



Fullonian 



Upper Inferior Oolite 



Vesulian 



Middle Inferior Oolite Inferior Oolite 



Bajocian 



