Quart. Journ, Geol. Soc. Vol. LII. 



Sections of the Cenomanian at Brtjnyal, St. Joura, and La Heve. 

 (Scale: 1 inch = 20 feet.) 



[To fact p. 124. 



La IUvk. 



GreyiBh-white firm chalk, divided into courses by layers 

 f of separated, thick-skinned, bluish-grey cherts. 



Glauconitic marly chalk. 



Grey glauconitic chalk, with scattered cherts and 



brown phosphates. 

 Marked line of cherts. 



Whitish-grey glauconitic chalk, with hard concre- 

 tionary masses. 

 Grey, slightly glauconitic chalk, with scattered cherts, 

 of large cherts with black i 



-f ,/-'.Tr ;^f > Firm glauconitic chalk, with hard concretionary 



Hard chalk, weathering prominently in the cliff-face. 



Hard bed, composed of crystalline lumps cemented to- 

 gether in a shelly matrix ; green-coated nodules at top 



Grey, gritty, shelly glauconitic chalk. 



Hard grey crystalline lumps, cemented by shelly 

 matrix ; green-coated nodules at top. 



Whitish-grey chalk, with line of scattered cherts. 



Massive cherts. 



Smooth whitish-grey chalk, with lines of small cherts. 

 Blue-grey marly chalk, just seen above beach. 



2 6 

 5 6 



3 3 

 3 9 



6 

 3 6 



Whitish-grey chalk, divided ml.. 



Grey marly chalk. 



Grey chalk, with hard concretionary masses weathering 



Greyish-white glanennhic chalk, with disrnntinuou 

 beds of black cherts, the chalk separating the chert 

 beds being grey and more glauconitic. A lew phos 

 phates at top. 



?o- s5 I Firmyello 



':::;.: 



Upper 



Greknsani 



(GilZE). 



Yellowish-grey chalk, divided 

 cherts, and broadly Btreaked with bluish-grey. 



L Bluish-grey marly chalk, more glauconitic thi 

 / with hard concretionary masses. 



Bluisii-grey, sandy, glauconitic marl 



Whitish-grey, slightly gl„„c,„,iti,. ehalli, 

 \ dmded ,nl„ ,,„„.„,., ,, v ..,,., ,.,,„„„ 

 I """r ' " I'M' •'"■ <»•• marked Is „f 



scattered and 



Yellowish-grey glauconitic chalk, with marked 

 bed! scattered blue-grey cherts, and hard 

 tionary masses. 



Soft greyish-white glauconitic chalk, enclosing hard 

 tionary lumps. [cherts. 



Firm greyish-white chalk, with scattered blue-grey 

 Firm, grey shelly chalk, with hard crystalline lumps. 

 Hard, irregularly crystalline chalk, with a layer ol 

 green-coated nodules at the top. 



;rey glauconitic chalk, with two lines of cherts 



Blue-grey marly chalk, weathering in thin lamina?. 



Yellowish-grey gliuii'iiiiitic I'hall., divided 



j Yellowish-grey, slightly glall lilie chalk, 



main-mi. indurated with 

 ted I'V OOUriOS <<f marly, 



llowisll-glry rlhlll, 



. Firm yellowish grev el, nil,.- rlmlt, 



> with hard *,lic,.„„M sHes like illl.na- 



SiMM ture chertd. 



j^^gfl Bluish-grey, very ghlUcollitic, sandy Mia, I, 

 Willi hard masses and many black plius- 



WviviUW\\\j / ^' u '^'*t,' rL 'yi «andy, glall nt.if inarl. 



