INFERIOR OOLITE AMMONITE-ZONES. 



Fig. 12. — Seclion oj the Inferior Oolite at Cleeve Hill, Gloucestershire. 



155 





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/x-^-.'-) 



r<,y->.^. x; 



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TRIGONIA-GRIT. Cosmoceras Parkinsoni and Corals. 



Thecosmilia gregaria, Thamnaslrcea, haslrma, <^c. 



Gryphaa sublubata, Lima proboscidea, Trigonia costata. 



CHEMNITZIA-GRIT. Chemnitzia procera. 



Rubbly Oolite. 



BRACHIOPODA-BED. Terebralula Phillipsii, in clus- 

 ters. 



ROAD-STONE. Slephanooeras Humphriesianum, Chem- 

 nitzia Scemanni. 



OYSTER-BED. Ostrea Jiabelloides, Lima Etheridyii. 



Not known. 



Yellow and brown Sands, with lenticular nodules of Sand- 

 stone. 



Hard wavy Sandstone. Serpula eocialis, abundant. 



Marly Oolite. 



UPPER FREESTONE, with old Terebratula fimbria. 



Thin flaggy Oolite. 



OOLITE-MARL. Lucina Wrightii, Terebralula fimbria. 



Thin hard bands of Limestone. 



Thin beds of fine-grained oolitic Limestone. 



Hard rubbly oolitic Marl, in broken masses. 



LOWER FREESTONE : the Upper Terrace. 



LOWER FREESTONE : the Lower Terrace. 



Hard beds of pisolitic Oolite. 

 Buff-coloured pisolitic Limestone. 



ROE-STONE. Pseudodittdema depressum, Acroaalenia 

 Lycetti, Trochotoma carinata. 



PEA-GRIT. Pygaster semisulcatus, Harpoceras Murchi- 

 sotuB, Patella ruyosa. Hmnites velatus, Avimla compli- 

 cata, Terebralula simplex, Terebralula plicala. 



Coarse ferruginous Oolite. 



LIASSIC SANDS or JURENSE-ZONE. Highly ferru- 

 ginous. 

 UPPER LIAS. Harpoceras bi/rons Zone. 



