The BGS Lexicon of Named Rock Units — Result Details
Taplow Gravel Member
Computer Code: | TPGR | Preferred Map Code: | notEntered |
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Status Code: | Full | ||
Age range: | Wolstonian Stage (QO) — Wolstonian Stage (QO) | ||
Lithological Description: | Sand and gravel, locally with lenses of silt, clay or peat. [Generic description]. | ||
Definition of Lower Boundary: | Rests with sharp base on bedrock geology, eg London Clay. | ||
Definition of Upper Boundary: | At surface. | ||
Thickness: | Average 5m, locally to 9m | ||
Geographical Limits: | Thames Valley and associated tributaries. | ||
Parent Unit: | Maidenhead Formation (MNHD) | ||
Previous Name(s): | Taplow Gravel Formation
(-5113)
Taplow Terrace [Obsolete Name and Code: Use TPGR] (-2498) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Section | Gravel pit at Taplow Railway Station. | ||
Reference(s): | |||
Gibbard, P L, 1985. Pleistocene history of the Middle Thames Valley. (London: Cambridge University Press.) | |||
McMillan, A A, Hamblin, R J O and Merritt, J W. 2005. An overview of the lithostratigraphical framework for the Quarternary and Neogene deposits of Great Britain (onshore). British Geological Survey Research Report RR/04/04. | |||
Strange, P J. 1992. A new nomenclature for the River Terrace Deposits of North London. British Geological Survey Technical Report, WA/92/52. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
E269 E285 E239 E255 E256 E257 E268 E270 E271 |