Div. 



IN THE ANGLO-PARIS BASIN 



Lithology 



87 



Ft Ins M. 



Rather fawn blocky marly clay somewhat ferruginous; 

 shelly with numerous Inoceromus concentrtcus. The clay 

 passes near the base into soft marlstone. 



(Ill) Blocky dark fawn grey shelly clay in lower part 

 becoming more massive beddad upwards-the fossils 

 losing the shell until near the top where shells ara 

 preserved again. 



(II) Phosphatlc nodules and part-phosphatlsed and pyrltic fossils . 

 In fawn grey sllty clay. _/ 



(I) Fawn grey slightly sllty shelly clay, weathering to a 

 reddish colour, with scattered pyritlc ammonites. 



30 



Fig. 37. Section in Gault at the claypit of the Soci6t6 B.H.T.P. on the SE. side of the 

 Marne-Rhine canal, about 2 km S. of the centre of Revigny-sur-Ornain, Meuse. 



