The BGS Lexicon of Named Rock Units — Result Details
Kesgrave Formation [Obsolete: use KGCA]
Computer Code: | KES | Preferred Map Code: | Kes |
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Status Code: | Full | ||
Age range: | Beestonian Stage (QB) — Beestonian Stage (QB) | ||
Lithological Description: | [Obsolete: use KGCA] Interbedded quartz and quartzite rich sands and sandy gravels in a number of terrace aggradations. NOTE: Type sections given in Whiteman and Rose 1992, Table 3, p. 369.Pebbly sand, gravel and silt - [Generic description: from East Anglian data]. | ||
Definition of Lower Boundary: | Rests on Cretaceous, Tertiary and Early Quaternary deposits | ||
Definition of Upper Boundary: | Marked by rubified 'sol lessive' and Arctic structure soil or by base of Lowestoft Till. | ||
Thickness: | Variable, approx. 2 to 10 m. | ||
Geographical Limits: | Thames Basin and East Anglia. | ||
Parent Unit: | none recorded or not applicable | ||
Previous Name(s): | Glacial sand and gravel [Obsolete Name and Code]
(GSG)
[Obsolete Code: Use KES] (*539) Kesgrave Formation [Obsolete Name and Code: Use KES, CCHR, KGCA, SBRY] (-1621) Essex White Ballast [Obsolete Name and Code: Use SBRY, KES, CCHR, KGCA] (-3284) Kesgrave Sands and Gravels [Obsolete Name and Code: Use KES] (-4116) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
none recorded or not applicable | |||
Reference(s): | |||
Rose, J and Allen, P, 1977. Middle Pleistocene stratigraphy in south-east Suffolk. Quarterly Journal of the Geological Society of London, Vol.133, p.83-102. | |||
Rose, J, Allen, P and Hey, R W, 1976. Middle Pleistocene stratigraphy in Southern East Anglia. Nature, Vol.236, p.492-494. | |||
Whiteman, C A and Rose, J. 1992. Thames river sediments of the British Early and Middle Pleistocene. Quarterly Science Reviews, Vol.11, 363-375. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
E162 E221 E208 E225 E175 E189 E191 E206 E207 E222 E223 E240 |