APPENDIX 



543 



JURASSIC SYSTEM 



' Upper 



Oolite 



ENGLAND 



f Portland. 

 [ Kimmeridge Clay. 

 f Coral Rag. 

 Middle \ Oxford Clay. 



I Kellaways Rock. 



Lower ] 



! Great Oolite. 



[ Inferior Oolite. 

 Lias. 



Malm. 



| Dogger. 

 Lias. 



Upper 

 Cretaceous 1 



Chalk 



CRETACEOUS SYSTEM 



f Upper. 



I Middle. 



I Lower. 1 



[ Upper Greensand. j 

 | Gault. 

 Lower Cretaceous -I Lower Greensand. 



[ Wealden and Purbeck. 



FRANCE 



Danian. 



Senonian. 

 Turonian. 



Ce 



nomanian. 



Albian. 

 Aptian. 

 Neocomian. 



ENGLAND 



Chillesford Beds. 

 Norwich Crag. 

 Red Crag. 

 Coralline Crag. 



FRANCE 



TERTIARY SYSTEM 

 Pliocene 



ITALY 



Arno Stage. 

 > Piacentine Stage. 

 Zancleano Stage. 



Marine 

 Pontian. 

 Sarmatian. 

 Tortonian. 

 Langhian 



Miocene 



Fresh Water 

 Sansan. 



St. Gerand le Puy. 



FRESH WATER 



Pikermi, Attica. 

 Mt. Leberon, France. 



VIENNA BASIN 



Pontian Stage. 



Sarmatian Stage. 



Second Mediterranean Stage. 



First Mediterranean Stage. 



