122 
KED AND NORWICH CRAGS, 
seen from the accompanying section (Fig. 28) noted by Mr. 
Woodward in 1875. 
Fig. 28. 
Section at Thorpe Lime-kiln^ near Nortoidu 
Feet. 
5. Irregular sandy capping, thickening out to - . - 4 
4. False-bedded sand and shingle, formed chiefly of flint 
and quartz, hardened in places and at various levels 
into a black ironstone-conglomerate or “iron-pan,” 
which contains casts of shells - - - - 8 to 12 
3. False-bedded sand and pebbly gravel with irregular 
seams of micaceous sandy clay; shells at base - 2 to 4 
2. White and buff false-bedded sand with shell-patches - 5 to 6 
1, Eolled flints and clay, with sand, pebbles, and shells, 
“Stone Bed” - - - - - -lto2 
A* Chalk with flints and “ paramoudras,” 20 feet shown. 
The strata are clearly shown, but not the sub-divisions that 
have been made. There is a conspicuous shell-bed, sometimes 
six feet in thickness, occupying patches in the white and buff- 
coloured sand (2) stretching along the face of the quarry, and there 
are thin beds of brown rudely stratified and impersistent clay 
above it (3)—termed by some the Chillesford Clay. Shells are 
found at all horizons between the Chalk and this clay, but they 
are very local, for in places the beds are entirely unfossiliferous 
from top to bottom. Nowhere are there two marked or persistent 
horizons of Crag beneath this clay. 
The Stone Bed, about 2 feet in thickness, contains great boulders 
of flint in a loamy matrix, and yields Pecten opercularis, P, pusio 
(one specimen), Tellina ohliqua (pairs), Tellina crassa, Mytilus 
edulis (pair), Mya (pair), Mactra^ Buccinum tenerum, Trophon 
antiguiis (large specimens), &c. 
The bones occur most abundantly on the surface of the Stone 
Bed, not so often in it or under it. Mr. 'Woodward obtained a 
portion of a tusk in September 1878, and saw, the day after, the 
exact position in which another portion of tusk, 4 feet 6 inches in 
length, had been obtained. This was on the surface of the Stone 
Bed. 
