110 



THE LIAS AMMONITES. 



HiLS-ElSENSTEIN, MiDDLE LlAS, NEAR LlEBENBERG. 



Horizons. 



Petrology. 



Thick- 

 ness. 



Organic Remains. 



Spinattjs 

 bed. 



Thick grey and brownish 

 clay, with ironstone no- 

 dules and " Nagelkalk 

 Schichten." 



Greyish-blue clay 



feet. 

 15 



Appears to be non-fossiliferous. 



AmaJtheus spinatus only, and very abundant in 

 upper half. 



Upper 



Margaeitatus 



bed 



Greyish-blue clay 



15 



Ainal. margaritatus abundant; Belemnites com- 

 pressus in the lower part. 



Lower 

 Margaritatus 



and 

 Henleyi beds 



Grey, somewhat oolitic 

 limestone, not very hard, 

 half a metre thick 



1 8 



AmaJ. margaritatus, Phylloceras Loscomhi, Lyt. 

 fmbriatum, Aeg. Henleyi, Belemnites paxillosus, 

 Bel. clavatus, Pleurotomaria granosa, Rhyn- 

 chonella triplicata, Terebratula numismalis. 





Raricostatus 



and 

 Obtusus beds 



Thick blue clay, with sepa- 

 rate rockybands laid close 

 on one another 



? 



Aegoceras planicosta, Aeg. Ziphus, Aeg. lacu- 

 natitm, Arietites raricostatus, Belemnites 

 acufus. 





Marly limestone band 



? 

 ? 





Semicostatus 

 beds 



Thick blue clay, in parts 

 speckled with reddish 

 points 



Arietites semicostatus, = geometricus, Led. Bo- 

 mani. 



BUCKLANDI 



beds 



Thick bluish-grey clay with 

 geodes, above alternating 

 with reddish-brown clay 



? 

 ? 





Angulatum 

 beds 



Small compact limestone 

 bed with Cardinias and 

 other MoUusca 



Aegoceras angulatum, Cardinia concinna. 





Angulatum 

 beds 



Sandy clays and shales, 

 passing downwards into 

 blue clay 



? 



Aegoceras angulatum. 



Planorbis 

 beds 



Greyish-blue sandy lime- 

 stone 



? 



Aegoceras Johnstoni, Pecten Sehli, Lima suc- 

 cincta, Pinna Hartmanni. 





The entire thickness of ihe Lias in this section attains at least from llU to 120 metres. 



I 



