The BGS Lexicon of Named Rock Units — Result Details

Surrey Hill Gravel Member

Computer Code: SUHG Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Early Pleistocene (QPE) — Mid Pleistocene (QPM)
Lithological Description: Gravel characterised by clasts of the following lithologies: abundant angular flint (65-79%), common rounded flint (12.8-29.6%), sporadic Lower Greensand (4.6-12.2%) and very sparse quartz and quartzite (up to 0.8%). Deposits of the ninth terrace of the pre-diversionary River Thames (McMillan et al., 2011).
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: Windsor and Bracknell, and Basingstoke districts.
Parent Unit: Sudbury Formation (SBRY)
Previous Name(s): Surrey Hill Gravel [Obsolete Name and Code: Use SUHG] (-2460)
Cobham Common, Foxhills and Easthamstead Members [Obsolete Name and Code: Use SUHG] (-4906)
Surrey Hill Gravel (Ninth Terrace) (-550)
Plateau Gravel (PLG)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Ellison, R A and Williamson, I T. 1999. Geology of the Windsor and Bracknell district - a brief explanation of the geological map. Sheet Explanation of the British Geological Survey. 1:50 000 Sheet 269 Windsor (England and Wales). 
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. 
Gibbard, P L. 1982. Terrace stratigraphy and drainage history of the Plateau Gravels of north Surrey, south Berkshire, and north Hampshire, England. Proceedings of the Geologists' Association, Vol.93, 369-384. 
Osborne White, H J. 1909. The Geology of the country around Basingstoke. Memoirs of the Geological Survey England and Wales, Explanation of Sheet 284. 
Bowen, D Q. 1999. A revised correlation of Quaternary deposits in the British Isles. Geological Society Special Report, No. 23. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E269 E284 E285