The BGS Lexicon of Named Rock Units — Result Details

Chorleywood Gravel Member

Computer Code: CWGR Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Early Pleistocene (QPE) — Mid Pleistocene (QPM)
Lithological Description: Gravel.
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: none recorded or not applicable
Geographical Limits: BGS 1:50 000 Sheet E255 (Beaconsfield).
Parent Unit: Sudbury Formation (SBRY)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Chorleywood [TQ 023 953] (Bridgland, 1994). 
Reference(s):
McMillan, A A, Hamblin, R J O, and Merritt, J W. 2011. A lithostratigraphical framework for onshore Quaternary and Neogene (Tertiary) superficial deposits of Great Britain and the Isle of Man. British Geological Survey Research Report, RR/10/03. 343pp. 
Bridgland, D R (editor). 1994. Quaternary of the Thames. (London: Chapman Hall.) 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E255