INFERIOR OOLITE AMMONITE-ZONES. 



155 



EiG. 12.- 



/ No. ft. in. 



p 



n 





<yi 



1-3 

 O 

 O 



O" 



1^ 



16 



17 



18 

 19 



20 

 21 



22 

 23 



12 



26 



i^i'^i l ;^^-iift;#i? l y^^y^ l Hai- 



-Secfio/i oj the Inferior Oolite at Cleave Hill, Gloucestershire. 



-, I ^ TRIGONIA-GRIT. Cosmoceras ParkinsoniAndiCotaXs. 



Thecosmilia gregaria, Thamnastrma, Isasiraa, Sfc. 

 Gryplioea sublobata, Lima proboscidea, Trigonia costata. 

 CHEMNITZIA-GRIT. Chemnitzia procera. 



Rubbly Oolite. 



BRACHIOPODA-BED. Terebratula Phillipsii, in clus- 

 ters. 



ROAD-STONE. Stejthanoceras Humphriesianum, Chem- 

 nitzia Samanni. 



OYSTER-BED. Ostrea flabelloides, Lima Etheridgii. 



Not known. 



Yellow and brown Sands, with lenticular nodules of Sand- 

 stone. 



Hard wavy Sandstone. Serpula socialis, abundant. 



Marly Oolite. 



UPPER FREESTONE, with old Terebratula fimbria. 



Thin flaggy Oolite. 



OOLITE-MARL. Lucina Wrightii, Terebratula 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. 





J ;, 



40 



30? 



r:z 



i 





■"v> 



v^l_\ 



A \ 





V ,.r- \ /X 



/< A. ^.,X >^- ) 



LOWER FREESTONE : the Lower Terrace. 



Hard beds of pisolitic Oolite. 

 BuflF-coloured pisolitic Limestone. 



ROE-STONE. Pseudodiadema depressum, Acrosalenia 

 Lycetti, Trocholoma carinata. 



PEA-GRIT. Pygaster semisulcalus, Harpoceras Mtirchi- 

 sonoe, Patella ruyom. Ihnnites velatus, Avicula compli- 

 cata, Terebratula simplex, Terebratula plicata. 



Coarse ferruginous Oolite. 



LIASSIC SANDS or JURENSE^ZONE. Highly ferru- 

 ginous. 

 UPPER LIAS. Harpoceras bi/rong Zone. 



