The BGS Lexicon of Named Rock Units — Result Details

Banham Member

Computer Code: BANM Preferred Map Code: notEntered
Status Code: Full
Age range: Anglian Stage (QA) — Anglian Stage (QA)
Lithological Description: Suite of diamictons, sands and gravels, silts and clays characterized by abundant quartz-quartzite pebbles.
Definition of Lower Boundary: Resting unconformably on Upper Chalk
Definition of Upper Boundary: Overlain abruptly by deposits of glacigenic Lowestoft Formation.
Thickness: Max. 9m
Geographical Limits: Mapped out in the Banham - Kenninghall - Quidenham area; for exact distribution see Diss Memoir, figure 9.
Parent Unit: Happisburgh Glacigenic Formation (HPGL)
Previous Name(s): Glacial Lake Deposits (-12)
Banham Beds (-2575)
Brickearth (BRK)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Around Banham, NW of Diss. Diss Memoir and Mathers et al, 1987. 
Reference(s):
Mathers, S J, Horton, A and Bristow, C R. 1993. Geology of the country around Diss, Memoir of the British Geological Survey, l Sheet 175 (England & Wales). 
Mathers, S J, Zalasiewicz, J A, Bloodworth, A J and Morton, A C. 1987. The Banham Beds - a petrologically distinct suite of Anglian glacigenic deposits from Central East Anglia, Proceedings of the Geologists' Association, Vol. 98, 229-240. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E175