Q. J. G. 8. No. 160.) 
Fig. 1.—Section at Waterworks, Richmond, Surrey “Y. 
(Scale, 150 {t.=1 inch.) 
Made Ground 
Gravel 
BMAD 
+270 Kuen, 
London Clay. 160 ft... 
Woolwich and Reading 
Series. 60 ft. 
Thanet Sand. 22 ft. 6in. 
Upper Chalk (sane 
a JOT vsseeons 
Middle Chalk (Zuro- 
nian). 150 ft. 
Lower Chalk ee 
manian), 220 
Goult. 201 ft. 6in. ... 
Neocomian (?). 10 ft... 
Great Oolite. 87 ft. 6in, 
“1141 ft. bin, 43 ‘unction bed (phosphatic). 
Surface, 16°94 ft. above OLD. 
Ordnance Datum. 
Clays, with Septaria. 
170 ft. 
Mottled clays. 
Sand and sandstone, 
250 ft. Lignite and pebble-bed. 
Grey and green sands. 
253 Green-couted flints, 
White chalk, with Inyers of flint. cs 
White chalk; few flints. 
549 ft. Nodular bed, ‘ Chalk-Rock.” oe 
Hard bed. 
as 
Greyish chalk, without flinis, 
704 ft. Chalk-conglomerate. 
Zone of 
Belemnites plenus.) nee 
Grey chalk, 
passing into 
Chalk marl. 
Prd Ms } Firestone and hearthstone. 
Pale blue clays, with few fossils. 
Dark blue, highly pyvitous clays, with many 
fossils. 
: 
Reconstructed limestones 
1151 ft. 6in. Junction bed (phosphatic). [clays. a 
Oolitic limestones. 
1205 ft. to 1208 ft. in. Clay band, with fossils, 
1221 ft. Indurated sandstone. 4 
1239 ft. Bed of worn shell fragments, wi 
particles of anthracite. é 
