380 Rev. W. B. Clarke on the Geological Structure 



Nos. 73 and 74.— Wells at 



Barham and Clavdon (73). Bramford Hall (74). 



4§ m. N.N.W. Ipswich. H m- W.N.W. Ipswich. 



Feet. Feet. Feet. 



Gravel ] 5 to 40 22 



Chalk.... 108—130 



Chalk-pit at Claydon, 150 feet deep. 

 No. 7.5. — Brick-kiln, Bramford, 3- miles N.W. from Ipswich. 



Feet. 



1. Clay 20 



2. Sand and siliceous pebbles (Plastic clay) 20 



Chalk at 40 



No. 76. — Well at Flowton, 5^ miles W.N.W. from Ipswich. 



Feet. 



1 . Diluvial clay 90 



2. Chalk 4 



Total. . 94 

 (At Flowton Hall, clay 94 feet.) 



Nos. 77 to 79. — Wells at 



Elmsett (77). Ilintlesham (78). Copdock (79). 

 G|m. W.N.W. Ipswich. 4Jni. W. Ipswich. 3 m. S.W. Ipswich. 

 Feet. Feet. Feet. 



Diluvial clay 10 15 15 



Sand 46 21' 45 



Total.. 56 SQ 60 



' Gravel mixed with the sand. 



No. 80. — Copdock brick-kiln (3 m. S.W. Ipswich,) and continuation 

 through the parish. (Level under No. 79, at same distance.) 



Feet. 



1. Diluvial red clay 3 



2. Gravel 3 



3. White sand . 24 



4. London clay 



Total.. 30 

 N.B. In the pit near by, diluvial gravel 40 feet thick. 



No. 81. — Well at Belstead, 3 miles S.W. from Ipswich. 



Feet. 



1. Diluvial stiff loam 15 



2. Crag 35 



Total.. 50 



