The BGS Lexicon of Named Rock Units — Result Details
Surrey Hill Gravel Member
Computer Code: | SUHG | Preferred Map Code: | notEntered |
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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) |
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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 |