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
Stratotypes:
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. 
Reference(s):
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