Vol.50.] BOEINGS AT CUXFOKD, WINICFIELD, WAKE, AND CHESHUNT. 497 



Details of the Section. 



/'Brown clay 



Blue clay 



I Black [flint] pebbles 



TLondon Clay 1 J Blue clay aud cla y- stones [septaria]. 



L -J ") Brown dead [clayey] sand [? base- 

 ment-bed ] 



I Green sand, shells and water [base- 

 ly ment-bed] 



f Mottled clay 



r-r, t, I Very hard yellow clay 



[Beading Beds, ! t> 1 -h i 



78 f f 1 > Brown sand, with water 



"-' I Mottled clay and sand 



[_Light[-coloured] blowing sand 



Upper Chalk, f Chalk and flints 

 329 feet. Solid " 

 masses of flint, < " " 



several feet j " 

 thick, in part, 



[? Chalk Bock.] 



Middle Chalk, 

 169 feet. 



[Lower Chalk, J 



919f«»t.1 1 



219 feet.] 



sticky 



hard 



sticky 



,, ,, „ and brown. 



IJBlack chalk 



Hard grey chalk and flints 



f Hard white chalk 



Grey sticky chalk and flints 



„ „ a flint at 578 feet . 



(Another account savs hard white 



chalk, 20 feet.) 



White sticky chalk 



White chalk 



Grey sticky chalk 



■{ Hard white chalk 



Hard, sticky, white chalk 



Hard chalk 



Hard white chalk 



Grey gritty chalk 



Chalk marl 



Hard white chalk 



Very hard white chalk [? Melbourn 



[_ Rock] , 



f White and green chalk [? Belcmni- 



tellaMa,v\] 



White chalk 



Hard white chalk 



Free-cutting white chalk , 



Hard white chalk. 



Very hard white chalk 



Very hard grey chalk 



Hard dark -grey chalk [?Totternhoe 



Stone] 



fBlue clayey chalk. Specimen 

 with minute flakes of mica 



^J 1 I and some black specks 



§ I Dark-brown clayey chalk 



01 I Grey chalk, with hard bands 



•^ I from 1 to 13 iuches thick. 



£ J Specimen from 927 ft. : like 



j* ] the hard beds of the Chalk 



Marl (with ' spheres,' Hill). 



Specimen from the base: dark 



grey marl, with quartz-grains, 



mica-flakes, and black particles 



[? glauconite] ; small bits of 



[_ [_ glauconitic marl 



Thick 



less. 



Depth. 



Ft. 



In. 



Ft. 



In 



6 







6 







54 







60 







1 







61 







54 







115 







15 







130 







6 







136 







14 







150 







14 







164 







11 







175 







17 







192 







22 







214 







79 







293 







30 







323 







159 







482 







21 







503 







32 



6 



535 



6 



7 



6 



543 







8 







551 







13 



6 



564 



6 



2 



6 



567 







15 







582 







8 







590 







27 







617 







6 







623 







25 







648 



(t 



2 







650 



(1 



29 



6 



679 



6 



14 



6 



694 







4 







698 







4 







702 







4 







706 







14 



18 2 



1 

 21 



50 



720 



6 







726 







27 







753 







44 







797 







12 







809 







15 







824 



1) 



7 



9 



831 



9 



17 



1 



848 



10 



867 



868 

 889 



939 



