Essex Well-Sections. 161
This well is remarkable for the great thickness of sand and
gravel above the London Clay, and for the thickness of the
Lower London Tertiaries (the beds between the London Clay
and the Chalk), in which it agrees with the Southend well,
noticed in Geological Survey Memoirs, vol. iv., p. 441.
Prittlewell.— Vicarage.
From Dr. E. T. Thorne, of the Local Government Board.
Surface soil, brick-earth, gravel, and sand.........over 40
London Clay .............................................about 380
Lower London Tertiaries, '? depth.
Quendon.—Hall Farm.
Sunk and communicated by Mr. G. Ingold.
Shaft 40 feet; the rest bored.
Water at 29 feet.
Gravel and clay ........................ 18
Soft white chalk, with flints......... 77
95
In an old well at the Hall, 90 feet deep, there is red sand
at the bottom.
Radwinter.—Brewery, near the Church.
Sunk and communicated by Mr. G. Ingold.
Shaft 28 feet; the rest bored.
Water-level 21 feet down.