The BGS Lexicon of Named Rock Units — Result Details

Stow Hill Sand And Gravel Member

Computer Code: STHSG Preferred Map Code: notEntered
Status Code: Full
Age range: Pleistocene Epoch (QP) — Pleistocene Epoch (QP)
Lithological Description: The Member consists of beds of matrix-supported gravel separated by thick beds of horizontally bedded sand. Up to 92% of the clast content is flint, with a small (c.6%) subsidiary quartzose content.
Definition of Lower Boundary: The Stow Hill Sand and Gravel Member rests unconformably on the upper surface of the Bacton Green Till Member between Bacton Green [TG338345] and Mundesley [TG319361], and on the Weybourne Town Till Member within large, tectonically-controlled synclines between Trimingham [TG279389] and Sidestrand [TG265397].
Definition of Upper Boundary: The sand and gravel deposit is truncated by the ground surface which forms its upper boundary.
Thickness: The maximum observed thickness of the deposit is 8m, in the Trimingham area.
Geographical Limits: Coastal sections between Paston and Sidestrand.
Parent Unit: Briton's Lane Formation (BRLA)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Section  Paston Cliffs between Bacton Green and Mundesley show approximately 8m of sand and gravel overlying the Mundesley Sand and Bacton Green Till members. Lunkka, 1994. 
Lunkka, J P. 1994. Sedimentation and lithostratigraphy of the North Sea Drift and Lowestoft Till Formations in the coastal cliffs of northeast Norfolk, England. Journal of Quaternary Science, Vol. 9, 203-233. 
Lee, J R, Booth, S J, Hamblin, R J O, Jarrow, A M, Kessler, H, Moorlock, B S P, Morigi, A N, Palmer, A, Riding, J B and Rose, J. 2004. A new stratigraphy for the glacial deposits around Lowestoft, Great Yarmouth, North Walsingham and Cromer, East Anglia, UK. Bulletin of the Geological Society of Norfolk, Vol.53, 3-60. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable