SOME ESSEX WEI.I.-SfiCTIONS, 



1^ Brown cluy 5 



[ ? Boulder | Sandy loam i 



Clay.] ^ Blue clay 14 



r^-i • 1 r. -r 1 ^ iBrown clay I 



[Glacial Drift.] ^ Chalky gravel 9 



Brown da)' 12 



Hard chalky gra\cl 2 



Chalk. Bed of flints at 92 feet. Many shells at too feet 7« 



49 



Thickness. Depth. 



5 

 



20 

 21 

 30 

 42 

 44 

 122 



Canvey. — JJ'ii/ersiJe Farm {tiorthern side of the island). 



Made and communicated by Messrs. Wadsley. 



Water rises to within 9 feet of the surface, (iood supply 



Thick lies 



Top ground 2 



Uuick sand [Alluvium] l^ 



[River Drift] gravel and flints 40 



i Clay and cla3'siones 10 



[London Clay.] ■< London Clay 220 



(_ Brown clay 20 



[ Green sand 97 



[ Lower London ) Brown sand 30 



Tertiaries.] 'j Chalk [? calcareous stone] 2 



I Black sand 10 



1890.? 



Depth, 

 2 

 .. 30 

 .. 70 

 ,. 80 

 .. 300 

 .. 320 



• 417 



• 447 



• 449 



• 459 



Clavering.— 77/t' Hall. 18J 



Made and communicated by Mr. (1. Ingold. 

 Water-level 82 feet down. 



Drift. Brown clay ^ 



Chalk '. i>'o 



Debden. — Dean's Farm. 1889. 

 Made and communicated bv Mr. (1. Intiold. 



C [Boulder 

 Clay.] 



riiickness 

 I 



Brown clay 



Rubbly chalk 



Blue clay, with a tiiin 



( layer of sand at 17 feet 3H 



I Blue sandy clay 6 



I Blue clay .• 20.5 



[Glacial Drift.] i t. Brown cLay I 



^ ^ Gravel 35 



Sand 2 



Brown sandy loam 3 



\ Sharp red sand 15 



Chalk 92 



Depth. 



5 

 8 



f^ 



V-h 



73i 

 77 

 79 

 82 



97 



189 



