The BGS Lexicon of Named Rock Units — Result Details

Taplow Gravel Member

Computer Code: TPGR Preferred Map Code: notEntered
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 Terrace (-2498)
Taplow Gravel Formation (-5113)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Gravel pit at Taplow Railway Station. 
Reference(s):
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. 
Gibbard, P L, 1985. Pleistocene history of the Middle Thames Valley. (London: Cambridge University Press.) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E269 E285 E239 E255 E256 E257 E268 E270 E271