140 



PROCEEDINGS OF THE GEOLOGICAL SOCIETY, 



Woolivich and \ 

 Reading Series, •{ 

 54 or 62^ feet 



Feet. 



Brought forward 92 



0. Sandy and water 1 



n. Yellow clay 2 



m. Mottled grey and yellow clay 4 



L Sandy and water 2 



k. Yellow mottled clay 3 



j. Grey clay 3 



i. Red clay 3 



k. Mottled" clay 1 



g. Yellow clay 6 



/. Mottled clay 4 



e. Mottled clay 8 



d. Dark bine clay 4 



c. Septaria ? 1 



b. Clay and gravel 1 



a. Green sand and water 8 



London Clay, J 

 L 1 



251 feet. 



r 



Chalk not reached. 143 



a. II. may possibly be the upper part of the Thanet Sands. 



The followmg section is given by Mr. Lapidge, in the ' Geologist/ 

 voK ii. p. 20 : — 



Well-section, Surrey County Lunatic Asylum, near Wandsworth. 



Feet. 



Yellow clay mixed with veins of sand 20 



London clay with large clay-stones 211 



Sand with clay and sAe/& 6^ 



Iq. Dark sand 4 



p. Shelly rock 5 



I 0. Brown sand 1^ 



I n. Sand and clay 2 



I m. Mottled Potter's clay 4 



I. Sand and clay 2 



I A. Dark sand and sAe//s 5 



J _;. Pure hght-coloured sand 1 



j i. Dark sand 2 



I h. Sand and clay 1 



g. Pink and yellow mottled clay 4 



f. Light brown and white clay 4 



e. Dark red and white clay 4 



d. Chalk and pebbles 1 



c. Green sand 3 



b. Variegated green and brown sand 6 



a. Green sand 4 



f d. Brown sand, wherein was water, which rose to 



within 36 feet of the siuface 5 



Fine dark grey sand 33 



Sand and pebbles, from which the water rose to 



within 28 feet of the surface 2 



A hard stratum (uncertain) 0^ 



Chalk H 



Flints 4 



Woolwich 

 and Read- 

 ing Series, 



bbfeet. 



L 



Thanet 

 Sands, 

 mfeef. 



34; 



The "chalk" is probably merely some calcareous bed overlying a 

 thick mass of the green-coated flints (" Flints'"), below which would 

 be the true chalk, or else the figures are reversed. 



