76 
THE GEOLOGIST. 
ft. in. 
1. Vegetable soil, and a brown loam used for 
making brick ...... 7 0 
2. Peat 2 to 3 0 
3. Blue clay 8 0 
4. Peat with alder and hazel bushes . 2 to 3 0 
5. Marine silt upon blue clay with nodules of 
chalk about 30 0 
6. Oxford clay containing septarise and fossil 
shells pierced to the depth of . . . . . 630 0 
On rebuilding a part of the works at Denver Sluice a few 
years since the strata cut through were — 
ft. in. 
1 . A light brown sandy loam . . . .14 0 
2. Peat 2 0 
3. Blue clay inclosing roots and small portions of 
peat 2 0 
4. Peat similar to No 2. .... 3 0 
5. Similar to No. 1, but somewhat more argilla- 
ceous ....... 2 0 
6. Dark ferruginous sand . . . . 3 0 
The last stratum reposes immediately upon Oxford clay. 
The alluvial beds opened at Lynn brick fields, called Sayer^s 
Marsh, situated to the south of the town, are 
Section 6th. 
ft. in. 
1. A brownish loam containing marine, freshwater, 
and land shells 2 to 3 0 
2. Stiff blue clay containing similar shells . 4 to 5 0 
3. Moor containing alder, birch, and other woods, 
with bones of the horse, ruminants and water-rat . 4 0 
Below the moor is a shingley gravelly bed, useless to the 
brick-maker and therefore not worked. 
