168 
Essex Well-Sections. 
Warley. — Parsonage. 
From Dr. J. Mitchell’s MSS., vol. iii., p. 75. 
Dug 100 feet; bored 280 feet. 
The land below the blue [London] Clay reached at 390 feet. 
Wickham Bishop. —Site of proposed “ Second Essex Asylum,' 
Heathgate Farm, S. of Chancery Wood. 1878-1880. 
Sunk and communicated by Messrs. Easton & Anderson, 
and from specimens. 
234 feet above Ordnance Datum. 
Shaft and cylinders 304 feet; the rest bored. 
Dip about 18 in. in the outer diameter (6 ft. 8 in.), of the 
bottom part of the shaft = 15°. 
Yield, when drawn at a depth of about 80 feet below sea- 
level, only about 10 gallons a minute. 
Thickness. Depth. 
Surface soil 
[Drift, 41 i ft-] 
[London Clay, 
252 ft. Speci¬ 
mens of iron- 
pyrites (stems 
of plants) and 
of Bostellaria 
and bivalves in 
septaria.] 
■< 
Yellow clay . 
Sand and gravel, with surface- 
springs . 
/Blue clay . 
Black clay . 
Stiff black clay and cement-stones 
Running sand and septaria, with a 
strong spring of salt ferruginous 
calcareous water ; fragments of 
shells found (according to a note 
from Mr. H. Gf. Dixon) ; 3 in. of 
black pebbles at bottom . 
Hard mottled blue and grey sand 
and clay . 
Red and blue mottled clay [speci¬ 
men, about 2 feet down, of brown 
and grey mottled clayey sand ; 
another, lower, as described] ... 
-j Mottled red and grey clayey sand 
[specimen] . 
Fine sand . 
Red and blue hard clay [speci¬ 
men mottled brown and grey 
plastic clay], passing down into 
clayey greensand [specimen] ... 
/ Yellow clay [specimen, brown 
r „ T -» sandy clav like London Clay]... 
[? London Clay, I y / tiff ^ arl ol [speo!m J e U , 
repeated by - . 
[Woolwich and 
Reading Beds.] 
fault ?.] 
mottled clay, partly sandy] 
Very stiff silty loam [specimen, 
brownish grey] . 
11 
X 2 ... 
1 
lli 
13 
30 
43 
160 ... 
203 
53 ... 
256 
19 ... 
275 
20 ... 
295 
24 ... 
297 
14 ... 
311 
2 ... 
313 
3 i ... 
316 
1*2^ 
• • • 
329 
2 ... 
331 
12 ... 
343 
7 ... 
350 
