SOME ESSKX WKM.-Sl'XTIONS. 



53 



Hornchurch. The Schools. 

 Made and comimmicated by Mr. R. 1). Batchelor. 

 Shaft 50 feet, the rest bored. 



Tliickness 



Soil 



Gravel 10 



London Clay 38 



Clay and stone 27 



Strong clay 41 



Clay, sand, and shells 2l\ 



Hard sand 8^ 



Sand and clay 106 



Green clay and chalk, with flints 3^ 



TfT n\. 11 I Chalk with flints i86i 



t^PP^: ^.^f^A Hard chalk with flints 50 



Chalk and flints 64 



[London 

 Clay.] 



[? Reading 



Beds.] 

 [Reading and 

 Thanet Beds ] 



300 J feet.] 



Depth. 



2 



12 



■ 50 



■ 77 

 . 118 



• Hcf 



• 149 



• 255 



. 258.1 



• 445 



• 495 



• 559 



Latton. — 1875. 

 Made and communicated by Mr. G. Ingold. 

 Shaft 138 feet, the rest bored. 

 Water-level 123 feet down. 



Soil 



Boulder Clay 10 



p, J /^i T I London Clay iq; 



London Clav.l rn * u j i c 1 1 1 n . 



'- I [Basement bed. I band and shells ... 5 



f Mottled clay 10 



I Green sand 8 



j Green sandy loam 15 



j Dark slate-coloured sandy loam, chang- 



I ing to very hard blue clay 24 



V Brown clay, 3 inches, and then flints... i 



Chalk 95 



Thickness. Depth. 



[Reading Beds, 

 58 feet.] 



12 



207 



245 



269 

 270 

 365 



Little Sampford.— 7)^6? Hall. 1889. 

 Made and communicated by Mr. G. Ingold (and from specimens 

 sent by him from the boring). 



Old well 21 feet, the rest bored. Water-level 56 feet down. 



{ Sand and gravel 18 



< Blue 'Boulder [Clay (light-grey, with 



fragments of chalk) 18 



Hard slate-coloured clay (pale-grey 



and brownish) 16 



Reddish-brown clay (brownish-grey 



red-mottled sandy clay) 5 



Green clay (pale, sandy) 4 



r Brow-n clay (fine cla3-ey sand, with a 



-j slight pinkish tinge) 13 



V Dark green clay (sandy) 2 



Chalk 57 



Thickness. Depth, 

 . 18 



[Glacial Drift.] 



[Reading Beds, 

 25 feet.] 



[Thanet Beds, 

 15 feet.] 



36 



52 



57 

 61 



74 

 76 



133 



