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): | Banham Beds [Obsolete Name and Code: Use BANM]
(-2575)
Brickearth (BRK) Glacial lake deposits [Obsolete Name and Code: Use GLLD] (-12) |
||
| 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 | |||