124 



THE GEOLOGIST. 



Sable niicace grossier, fin roux, blanc, 



ferrugineux. 

 Lits de fossiles. 

 Terrains Jurassiques : — 



Lits altera es de marne et de calcaire 

 marneux. 



Lits alternes de marne calcaire et de 

 calcaire hydraulique, argile hydrau- 

 lique, argile a briques. 



(Huitres.) 



Argile a briques. 



Lignite. 

 1 Sea-level. 



{Huitres) 



Lits de marnes. 



Calcaire rnarneux. 



Oolite. 



Marne bleue. 

 II. Subdivisions of the same Forma- 

 tions as exposed in the Cliff beyond 



the Lighthouse, according to M. Le 



Soeur, 1843. 

 Terrain Diluvien : — 



Sol superficiel. 



Argile rouge ; sable fin ; silex pyro- 



matique. 

 Sable Yert ; Craielnferieure : — 



Craie chloritee grise ; lits et rognons 



de silex. 



Craie glauconeuse, blanche ; lits et 



rognons de silex. 

 Bande de silex. 

 Craie glauconeuse brune. 

 (Sources.) 



Lits tendres endurcis de glauconie 

 yerte. 



Lits de marne bleue noire pyriteux, 



arec des lits de silex calcedoneux. 

 Grros gravier ferrugineux. 

 Formation Wealdienne : — 



Sable micace quartzeux fin blanc 

 roux ; veine de fer oxyde ; brun 

 noiratre, avec nombreuses veines 

 ferrugineuses. 



Ligne de la mer. 

 Terrain Jurassique : — 

 Calcaire marneux. 



ft. in. 



13. Bed of friable rock, harden- 



ing into stone .... 2 0 

 "With base of dark brown- 

 grey rock with clay streaks 0 3 



14. Blue Parting 0 4 



15. Blue friable chalk, which 



scales off by weathering . 1 4 

 Soft parting. 



16. Band of dark-blue stone, 



with two broad bands of 

 rubbly chert, looking like 

 a single bed of rubbly rag 2 9 

 Parting of dark-blue phos- 



phatic chalk .... 0 8 



17. Grey friable rock .... 0 8 



18. Semi-cherty dark-blue rag- 



like stone 16 



19. Dark-blue parting, with 



molluskite 9 8 



20. Hard dark bluish-grey stone, 



and cherty stone, forming 

 the top portion of a thick 

 bed of dark-grey stone 

 with green grains, enclos- 

 ing green chert and mol- 

 luskite 2 0 



Softer portion which dries 

 white. 



21. Cherty dark bluish-grey 



sandstone, with some 

 chert (Ventriculites and 

 Choanites) 



22. Parting. 



23. Black phosphatic bed, pass- 



ing into — 



24. Kubbly bed of soft friable 



rock 16 



25. Bed of soft friable sandstone 1 2 



26. Soft parting, 0 4 



27. Bed of dark cherty-looking 



grey hard stone, (double?) 6 6 



28. Softening into Hassock (?) 



like Sandgate rock ..66 



Soft parting 0 3 



(Carried forward.) 



1 



